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2017

19608850Spintronic wireless communication system for simultaneously modulating multi-band frequency and amplitude
29608848Communicating through physical vibration
39608695Communication system
49602184Wireless communication device, control method of wireless communication device and phase shifter
59596120Signal transmission apparatus, distortion compensation apparatus, and signal transmission method
69596110Open loop digital PWM envelope tracking system with dynamic boosting
79593964Method of sensor wire count reduction
89590800Multilevel modulation optical transceiver and multilevel modulation optical transmission and reception method
99590708Method and apparatus for equal energy codebooks for antenna arrays with mutual coupling
109590706Method and apparatus for equal energy codebooks for antenna arrays with mutual coupling
119590663Radio apparatus
129590610Driver circuit for signal transmission and control method of driver circuit
139584345High data rate multilevel clock recovery system
149578451Method and device for performing wireless connection between devices in wireless communication system
159577854Apparatuses and methods for asymmetric bi-directional signaling incorporating multi-level encoding
169577853Current balance method and current balance circuit thereof
179577788Coding apparatus, coding method, data communication apparatus, and data communication method
189577684High frequency time interleaved digital to time converter (DTC)
199577588Systems and methods for signal predistortion
209572164Method and apparatus for sequence hopping in single carrier frequency division multiple access (SC-FDMA) communication systems
219571312Expurgated pulse position modulation for communication
229571160High data rate serial link
239571155Method of startup sequence for a panel interface
249565424Information processing device, information processing method, and program
259564935Linear composite transmitter utilizing composite power amplification
269559883Power efficient digital wireless transmitter and method of operation thereof
279559882Apparatus and methods for flexible provision of control data in large data structures
289559880Eye modulation for pulse-amplitude modulation communication systems
299556727Method and apparatus for acoustic downhole telemetry and power delivery system using transverse or torsional waves
309553742Method and apparatus for independent rise and fall waveform shaping
319549142Video data transmitter apparatus and video data receiver apparatus for transmission system using multi-value amplitude modulation
329548788Frequency conversion system with improved spurious response and frequency agility
339544638Method for reconstructing system time clock (STC) without carrying PCR
349544171Zero insertion for ISI free OFDM reception
359544169Multiphase receiver with equalization circuitry
369544092Apparatus for improved communication and associated methods
379544015Multilevel driver for high speed chip-to-chip communications
389543093Universal box system
399537687Multi-modulation for data-link power reduction and throughput enhancement
409537576Encoding and decoding methods for high-precision time transfer and encoding and decoding devices therefor

2016

419531572Interface circuit for high speed communication and system including the same
429531430Device and method for determining the arrival time of a UWB signal
439529771Communication system
449525573Serializing transmitter
459525383Apparatus and methods for a capacitive digital-to-analog converter based power amplifier
469521024Device of crest factor reduction
479521016Data transmission apparatus and method for transmitting data in delay-insensitive data transmission method supporting handshake protocol
489520987Systems and methods for timing recovery in near-field communication
499520923Low-complexity ACPR-enhancing digital RF MIMO transmitter
509519604Systems and methods for frequency control on a bus through superposition
519515861Peak suppression apparatus
529515858Transmission unit, reception unit, and communication system
539515857Methods and systems for adaptive communication
549514088Method and device for processing serial binary input by comparing binary digits at even and odd locations of the input
559509535Multi-level signaling
569509490Reference clock sharing
579509437Vector signaling code with improved noise margin
589509355Calibration of quadrature imbalance via loopback phase shifts
599503953Increasing reference signal level to prevent communication format change
609503289Methods and apparatus for signaling on a differential link
619503070Signal conversion system and method
629497060Method and circuit for transmitting data
639497051Configurable receiver
649491495Method and apparatus for providing input to a camera serial interface transmitter
659491015Three-wire three-level digital interface
669491014Compact duty modulator
679490965Simultaneous transmission of clock and bidirectional data over a communication channel
689490964Symbol transition clocking clock and data recovery to suppress excess clock caused by symbol glitch during stable symbol period
699485124Method and apparatus for multiple bit encoding
709485121Digital baud rate clock recovery of heavily ISI-induced signals
719484969Delta-pi signal acquisition
729484968Post conversion mixing
739484949Variable run length encoding of a bit stream
749479206Time segment based software defined radio system
759479198Analog compensation circuit and method
769473291Apparatuses and methods for reducing switching jitter
779473275Gain asymmetry characterizing circuit and method for determining characteristics of gain asymmetry possessed by transmitter
789473205Coaxial data communication with reduced EMI
799471814Reader and method for reading data
809467316Method and device for transmitting a low-frequency signal over a data transmission link using a digital high bit-rate signal
819467185Receiver and method for receiving a signal
829467164Apparatus and method for supporting polar code designs
839465097Systems and methods for providing ADS-B mode control through data overlay
849464918Sensor wire count reduction system
859461861Time-domain windowing function
869461812Increased bandwidth encoding scheme
879455850Three phase and polarity encoded serial interface
889455849Edge-based communication
899450798Transmitter circuit, communication unit and method for amplifying a complex quadrature signal
909450621Digital predistortion processing method and system
919445375Method and system for updating predistortion coefficient
929444662Contention avoidance control device and contention avoidance control method for PWM output and A/D conversion, as well as power control system
939444617Single-wire transmission interface and single-wire transmission method and power supply system adopting single-wire transmission method
949444613Sensor, control unit and method to communicate between sensors and control units
959444580Optimized data transfer utilizing optimized code table signaling
969444499Wireless device and wireless access system
979438453Method and circuit for establishing network connection
989438452System and method for multi-channel control system
999438357Calibration device, signal processing device, and user interface for the same
1009438281Distortion-compensation device and distortion-compensation method
1019438178Mixer impairment correction based on volterra series
1029437210Audio signal processing
1039432228Digital pre-distortion filter system and method
1049432129Communication with an underwater vehicle
1059432100Efficient search of precoders in precoded MIMO systems
1069432099Method and apparatus for reporting channel state information in wireless communication system
1079426082Low-voltage differential signaling or 2-wire differential link with symbol transition clocking
1089426005Method for indirect measurement of the phase delay of a RF-PWM modulator
1099425913Multi-port serial media independent interface
1109425836Asymmetrical transmitter-receiver system for short range communications
1119425824Configurable multi-mode media independent interface
1129424849Data transfer
1139419658Digital modulator non-linearity correction
1149413572Method of converting an optical communications signal and an optical receiver
1159413571System and method for time reversal data communications on pipes using guided elastic waves
1169413493Apparatus and method for communicating data over a communication channel
1179413419Phase-optimized constant envelope transmission (POCET) method, apparatus and system
1189407479Pulse width modulation data recovery device and driving method thereof
1199401828Methods and systems for low-power and pin-efficient communications with superposition signaling codes
1209398240HDMI communication over twisted pairs
1219397871Communication devices
1229395744De-skewing transmitted data
1239391820Railway code generation and signaling system and method
1249391649Envelope shaping in envelope tracking power amplification
1259385900Signal transmission system
1269385816Methods and arrangements for frequency shift communications by undersampling
1279385807Light wave communication
1289385797Flexible, reconfigurable multipoint-to-multipoint digital radio frequency transport architecture
1299385764Digital pre-distortion for high bandwidth signals
1309385746Dynamic offset cancellation in sigma-delta converter
1319379785Near field RFID system with multiple reader coils
1329379746Isolation circuits for digital communications and methods to provide isolation for digital communications
1339379742RF transmitter, integrated circuit device, wireless communication unit and method therefor
1349374260Method and apparatus for directly detected optical transmission systems based on carrierless amplitude-phase modulation
1359374252Generating parallel binary representation of HDBaseT physical modulation
1369374141Signal generation method, transmission device, reception method, and reception device
1379374116Software defined radio technique
1389374112Capture selection for digital pre-distortion adaptation and capture concatenation for frequency hopping pre-distortion adaptation
1399369404Method and multi-carrier transceiver with stored application profiles for supporting multiple applications
1409369325Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
1419369317Circuitry and method for multi-level signals
1429369308Signal transmission reducing coupling caused delay variation
1439369237Run-length detection and correction
1449369148Circuit arrangement, device and method for 5B/6B coding
1459363114Clock-embedded vector signaling codes
1469363112Systems and methods for equalization in radio frequency signal paths
1479363071Circuit to recover a clock signal from multiple wire data signals that changes state every state cycle and is immune to data inter-lane skew as well as data state transition glitches
1489363069Clock generating device and related synchronization method
1499363067Data signal transceiver circuitry for providing simultaneous bi-directional communication via a common conductor pair
1509363041Wireless power transfer in-band communication system
1519363033Multiplexed pulse modulation using superposition
1529362866Envelope path pre-distortion for wideband transmitter systems
1539357487Data reception and transmission method and apparatus for power saving in communication system using multiple carriers
1549357036Methods and systems for chip-to-chip communication with reduced simultaneous switching noise
1559356762Electric vehicle and service equipment on a pilot wire
1569355286Passive radio frequency identification (RFID) reader, passive RFID tag, and transmitting and receiving methods using extended pulse-interval encoding (PIE)
1579350578Sigma-delta modulation apparatus and sigma-delta modulation power amplifier
1589350577Communication method and device
1599350529Method and apparatus for detecting logical signal
1609350418System and method of using variable pulses for symbology
1619350149Universal box system
1629344305PVT tolerant differential circuit
1639344243Transmission using common and dedicated pilots
1649344171Transmission method, transmission device, reception method, and reception device
1659344147Appending bursts to create a super burst for improved building penetration
1669344143Signal transmitting device and signal transmitting method
1679338040Use of multi-level modulation signaling for short reach data communications
1689338039Efficient signal classification in digital pre-distortion systems
1699338034Ternary sequences with power of two exponent dimensionalities suitable for channel estimation
1709337997Transcoding method for multi-wire signaling that embeds clock information in transition of signal state
1719337888Method for radio transmission by ultra wideband transmission
1729337886Digital pre-distortion with shared observation path receiver
1739331876Method, apparatus and system for controlling carrier power amplifier of base station
1749331722Feedback calibration of digital to time converter
1759325544Packet-loss concealment for a degraded frame using replacement data from a non-degraded frame
1769325543Multi-mode active circuit control and activation system
1779325486Bidirectional communication
1789325357Wireless communication unit, integrated circuits and method for linearizing a transmitter signal
1799323560Interpreting I/O operation requests from pageable guests without host intervention
1809319946System for efficient recovery of Node-B buffered data following MAC layer reset
1819317353Method, apparatus and system for performing voltage margining
1829316722Systems and methods for providing ATC overlay protocols
1839313063Apparatus and method for transmitting data with conditional zero padding
1849312894Radio transmitting device and radio transmitting method
1859312880Method and apparatus for spectrum spreading of a pulse-density modulated waveform
1869306731Signal processing apparatus
1879304950Overclocked line rate for communication with PHY interfaces
1889300517Method and apparatus for transmitting/receiving signal in communication system
1899300513Signal transmission device adjusting electrical characteristic value corresponding to logic level and signal transmitting method thereof
1909300462Methods, devices, and algorithms for the linearization of nonlinear time variant systems and the synchronization of a plurality of such systems
1919300434Zero sum signaling in a digital system environment
1929295057Method and apparatus for compressing and transmitting ultra high speed data
1939294941Phase transformation of repeated signals
194929441864B/66B codec for ethernet applications
1959294329Emphasized signal point arrangement operation for compensating DC imbalance
1969294079System and method for generating multi-band signal
1979292255Multi-stage crest factor reduction (CFR) for multi-channel multi-standard radio
1989288089Orthogonal differential vector signaling
1999287976Independent beacon based light position system
2009287909High speed signaling system with adaptive transmit pre-emphasis
2019287902Method and device for sending and receiving data
2029287867Pulse synthesizing circuit
2039281973Method for demodulating at least one frame consisting of a succession of bits coded according to a Manchester code
2049281788All digital zero-voltage switching
2059276787Transmission of signaling messages using beacon signals
2069276784Frequency selective predistortion
2079276731N-phase signal transition alignment
2089276621Method and apparatus for differential communications
2099276617Radio frequency domain digital pre-distortion
2109270507Stacked comparator topology for multi-level signaling
2119270506Methods for bypassing faulty connections
2129270505Communication system
2139270504System and method for linearizing power amplifiers
2149270416Multi-mode transmitter for highly-spectrally-efficient communications
2159264270Transition time measurement of PAM4 transmitters
2169264269Electro-magnetic interference reduction for switched signal systems
2179264264Systems and methods for filtering a received signal to remove intersymbol interference
2189264078Transmitter with quantization noise compensation
2199263881Digital amplitude modulation apparatus and control method of digital amplitude modulation apparatus
2209258156Baseband envelope predistorter
2219258042Reuse of matrix equalizer for the purpose of transmit beamforming in a wireless MIMO communication system
2229257996Oscillator circuits and methods to compensate frequency pulling
2239252997Data link power reduction technique using bipolar pulse amplitude modulation
2249252996Apparatuses and methods to change information values
2259252995Transmission of pulse length modulation information
2269252969Method for transmitting data
2279252821Adaptive high-order nonlinear function approximation using time-domain volterra series to provide flexible high performance digital pre-distortion
2289252802Encoding for partitioned data bus
2299246721Sporadic channel filtering
2309246525Device and method for predistortion
2319246510Apparatus and method for multilevel coding in communication systems
2329240907Transcoding scheme techniques
2339231800Method for transmitting data
2349231799VLF transmit antenna system, method and apparatus
2359231790N-phase phase and polarity encoded serial interface
2369231755Circuit arrangement and method for transmitting signals
2379231753Low power oversampling with reduced-architecture delay locked loop
2389231733Method and system for updating multi-frequency-band pre-distortion coefficient lookup table
2399231530System for calibrating power amplifier
2409230505Apparatus, system and method for providing clock and data signaling
2419226766Serial communication protocol for medical device

2015

2429225368Periodic time segment sequence based signal generation
2439220023Methods for signaling a maximum number of MSDUs in a transmission
2449219597Method and transmission protocol for transmission of data among devices sharing a communication channel
2459215410Two-wire multichannel video door system
2469215170Method of transporting data with embedded clock
2479215063Specifying a 3-phase or N-phase eye pattern
2489215059Transmitting digital video and data over the same wires
2499210015Edge-based communication
2509210005Apparatus and method for generating differential signal, and transmission apparatus and method having the same
2519209753Predistortion correction method, predistortion correction apparatus, transmitter, and base station
2529203662Multi-level signaling
2539203661Communication system
2549203654System and method for radio frequency carrier aggregation
2559203598Asymmetric link for streaming applications
2569203556Optimized code table signaling for authentication to a network and information system
2579203450System and method for pre distortion and iterative compensation for nonlinear distortion in system employing FTN symbol transmission rates
2589203448Wireless communication apparatus
2599203447Distortion compensating device and distortion compensating method
2609203346Load current sensor for envelope tracking modulator
2619202044System and method for retrofitting application code
2629197465Apparatus and method for a digital transmitter architecture with outphasing power amplifier
2639197282Phase-optimized constant envelope transmission (POCET) method, apparatus and system
2649197161Driving a mixer with a differential lo signal having at least three signal levels
2659191931Method and apparatus for the transmission of a control signal in a radio communication system
2669191251Multilevel signal transmission system capable of transmitting multilevel data signal without signal distortion and correctly determining voltage level
2679191192Digital NRZI signal for serial interconnect communications between the link layer and physical layer
2689191093Interference management for concurrent transmission in downlink wireless communications
2699190974Method and a device for controlling the level of a pulsed high-frequency signal
2709190967Apparatus and method for asymmetrically driven partial outphasing power amplifier
2719189724Semiconductor device, portable communication terminal, IC card, and microcomputer
2729184841Multi-level decoder with skew correction
2739184789Communication apparatus
2749184784Method and apparatus for digital predistortion for a switched mode power amplifier
2759184710Digital predistortion of a power amplifier for signals comprising widely spaced carriers
2769178825Data processing method and apparatus
2779178745Control mode PHY for WLAN
2789178690N factorial dual data rate clock and data recovery
2799178542Methods and apparatus for accurate transmitter simulation for link optimization
2809178540Systems and methods for increasing the effectiveness of digital pre-distortion in electronic communications
2819178538Multi-standard wireless transmitter
2829172570Compensation of oscillator frequency pulling
2839172567Methods and apparatus to reduce signaling power
2849172394Signal conversion system and method
2859172338Transformer-based RF power amplifier
2869170967System and method for transmitting information from a transmitter to a receiver via a single line
2879166859Wireless communication apparatus and transmission power control method
2889166844Receiver with duobinary mode of operation
2899166843Digital pulse width generator and method for generating digital pulse width
2909166769Data transmission method and data restoration method
2919166635Selection of non-linear interference cancelation (NLIC) input
2929160585Data interface synchronization
2939160483Signal transmission device with data length changer
2949160412Multi-bit digital signal isolator
2959155041Data reception and transmission method and apparatus for power saving in communication system using multiple carriers
2969155039Data reception and transmission method and apparatus for power saving in communication system using multiple carriers
2979154348Systems and methods for improving communication sensitivity
2989154264Device, system and method of wireless communication between circuits
2999154252Methods and systems for noise resilient, pin-efficient and low power communications with sparse signaling codes
3009154175Transceiver and communication apparatus transmitting and receiving data encoded by transmission code
3019154156Ternary line code design for controlled decision feedback equalizer error propagation
3029148317Method and apparatus for correcting a mismatch between an in-phase component and a quadrature component of a signal
3039148205Feedback for supporting SU-MIMO and MU-MIMO operation in wireless communication
3049143362N-phase polarity output pin mode multiplexer
3059143306Device and method for encoding bits to symbols for a communication system
3069143200Apparatus and method of receiver architecture and low-complexity decoder for line-coded and amplitude-modulated signal
3079143171Duobinary voltage-mode transmitter
3089138992Reception device and apparatus having the same
3099137062Wireless communication apparatus and wireless communication method
3109137061Method and circuit for transmitting data
3119136976Wireless communication apparatus and wireless communication method
3129131454Compensating power spectral density for power levels
3139130817Low power transmitter for generating pulse modulated signals
3149130816System and method for transmitting and receiving signal with quasi-periodic pulse sequence
3159130796Method and apparatus for characterized pre-distortion calibration of a power amplifier
3169129607Method and apparatus for combining digital signals
3179124557Methods and systems for chip-to-chip communication with reduced simultaneous switching noise
3189124324Dual loop digital predistortion for power amplifiers
3199118536Pulsed serial link transmitting data and timing information on a single line
3209118285Compensation of a transmitter distortion
3219113471Method and apparatus for sequence hopping in single carrier frequency division multiple access (SC-FDMA) communication systems
3229112763Device, system and method for bi-phase modulation decoding
3239112757Communication device and communication method
3249112550Multilevel driver for high speed chip-to-chip communications
3259112515Geographic locating remote endpoint monitor device, system, and methodology thereof
3269110133Reconfigurable circuit and decoder therefor
3279106505Digital filter
3289106297Receiving apparatus, transmitting apparatus and wireless communication system using them
3299106214PCM to digital PWM using predistortion
3309100265Digital power encoder for direct digital-RF transmitter
3319100264Digital receiver and method for demodulating pulse-width modulated signals
3329100133Methods and systems for carrying synchronization over ethernet and optical transport network
3339100047Method and apparatus for mitigating resonant effects within a power delivery network of a printed circuit board
3349094279Communication apparatus for transmission of binary coded signal
3359094269Peak to average power ratio suppression
3369094255Method and device for amplitude modulation of an electromagnetic signal emitted by a contactless transceiver system
3379094113Apparatus and method for reducing phase noise in near field communication device signaling
3389094059Establishing data communication connection using wireless power transmission
3399094022Geographic locating remote endpoint monitor device, system, and methodology thereof
3409094004Transmitter system with digital phase rotator used for applying digital phase rotation to constellation data and related signal transmission method thereof
34190890251-wire communication protocol and interface circuit for high voltage applications
3429088473Data communication system, data carrier driving apparatus, and data carrier apparatus
3439088472System for compensating for I/Q impairments in wireless communication system
3449088319RF transmitter architecture, integrated circuit device, wireless communication unit and method therefor
3459086905Interpreting I/O operation requests from pageable guests without host intervention
3469083598Three phase and polarity encoded serial interface
3479083505Manchester code receiving circuit
3489077606Data transmission device, data reception device, and data transmission method
3499077571Adaptive equalizer and/or antenna tuning
3509077441System and method of using variable pulses for symbology
3519077410Apparatus and method of transmitting data in multi-carrier system
3529077409Signal processing system and signal processing method
3539077408Circuitry and techniques for calculating scaling factors for crest factor reduction
3549077352Clock regeneration circuit, light receiving circuit, photocoupler, and frequency synthesizer
3559077298Sampling circuit, communication device, distortion correction circuit, signal sampling method, and program
3569071306Transmission apparatus, reception apparatus, communication system, circuit apparatus, communication method, and program
3579071293Transmitter data path single-ended duty cycle correction for EMI reduction
3589071217Wireless communication device
3599065716Cross-band broadcasting
3609065698Communications apparatus, communications system, communications method and integrated circuit
3619065610Method and apparatus for smoothing jitter generated by byte stuffing
3629065396Apparatus for compensating for distortion of transmitter array in radio communication system and method for controlling the same
3639059836Word boundary lock
3649054941Clock and data recovery using dual manchester encoded data streams
3659054940System and method for linearizing power amplifiers
3669054939Method of processing data and a display apparatus performing the method
3679054894Signal block sequence processing method and signal block sequence processing apparatus
3689054851Dithering circuit for serial data transmission
3699054803Content delivery based on a light positioning system
3709054791Methods and apparatus for partial interference reduction within wireless networks
3719054759VSWR measurement circuit, radio communication apparatus, VSWR measurement method, and recording medium having VSWR measurement program stored thereon
3729049094Generation of multilevel signals using correlative coding
3739048797High efficiency, remotely reconfigurable remote radio head unit system and method for wireless communications
3749036734Methods and apparatus for performing digital predistortion using time domain and frequency domain alignment
3759031599System and method for power control
3769031159Communication device and communication method
3779031158Transmit diversity architecture with optimized power consumption and area for UMTS and LTE systems
3789020067Distortion and aliasing reduction for digital to analog conversion
3799020065Radio frequency digital filter group delay mismatch reduction
3809008223Transmitter and method for reducing the peak-to-average power ratio of a digitally modulated communication signal
3819008220Frequency reuse in wireless point-to-point communication systems
3829008215Methods, systems, and computer program products for asymmetric multimode interconnect
3839001928Transmitter first/second digital predistortion and first/second adaption circuitry with feedback
3849001906Communication apparatus and communication method
3858995569Quadrature digital-IF transmitter without inter-stage SAW filter and devices using same
3868995568Phase transformation of repeated signals
3878995567Method and system for power supply adjustment and polar modulation in a MIMO system
3888995565Distortion control device and method
3898989307Power amplifier system including a composite digital predistorter
3908989306Low-noise regulation of battery power
3918989305Apparatus and method for generating multiband radio frequency signals in maritime wireless communication
3928989300Multi-level coding and distortion compensation
3938982994Phase-shifting device for antenna array
3948982992Block-based crest factor reduction (CFR)
3958976898Low-distortion class S power amplifier with constant-impedance bandpass filter
3968976897Suppression of spurious harmonics generated in TX driver amplifiers
3978976896Transmitter linearized in response to derivative signal and method therefor
3988976895Method for calibrating a linearizer and linearized electronic component
3998976893Predistortion according to an artificial neural network (ANN)-based model
4008976890Multilevel amplitude modulation device, multilevel amplitude demodulation device, transmission system including these, multilevel amplitude modulation method, and multilevel amplitude demodulation method
4018976879Communication device and communication method
4028965454Amplifier system for cell sites and other suitable applications
4038964891Antenna system calibration
4048964889Device and method for precoding vectors in a communication system
4058964869Pre-coding method and apparatus
4068958500Peak-to average power ratio reduction for wireless communication systems
4078958499Transmitting data over a communications channel
4088958498Method of generating driving signal for driving dual mode supply modulator for power amplifier and device thereof
4098953663Calibration of quadrature imbalance via loopback phase shifts
4108948687System and method for determining and controlling gain margin in an RF repeater
4118948325Method and apparatus for digital post-distortion compensation of signal non-linearities
4128948303Communication device and method of crest factor reduction using amplitude compression
4138948302OFDM pre-equalizing
4148948300Method and device for precoding in wireless communication system
4158948298MIMO system and method of generating hierarchical codebook therefor
4168948297Method of maintaining coherency of a precoding channel in a communication network and associated apparatus
4178942312WCDMA modulation
4188938027Distortion compensation circuit, and transmission device using distortion compensation circuit and high-frequency power amplifier
4198938025Correction of I/Q impairments in transmitters and receivers
4208934574Signal processing circuit and method
4218934573Distortion-compensated RF transmitter and method therefor
4228934571Telecommunications method and system

2014

4238923435Method and device for generating precoding matrix in wireless communication system
4248923434Method and apparatus for modifying a complex-valued signal, and mobile communication device
4258917793Communication circuit, communication network, and connecting apparatus
4268913692Multiband envelope tracking power amplifier
4278913688Pre-distortion for a phase interpolator with nonlinearity
4288908796Orthogonal frequency division multiplexing (OFDM) transmitter and receiver windowing for adjacent channel interference (ACI) suppression and rejection
4298903015Apparatus and method for digital predistortion of non-linear amplifiers
4308903014Communications device having controller to correct an initial IQ imbalance and associated methods
4318903002Communication device and communication method
4328891676Antenna device and method in a MIMO system
4338891675Power-indexed look-up table design of digital pre-distortion for power amplifiers with dynamic nonlinearities
4348891674Digital transmission system for transmitting additional data and method thereof
4358885765Method and a user terminal for processing digital predistortion
4368885763Digital pre-distortion
4378879666Electronic system, RF power amplifier and temperature compensation method thereof
4388879665Controlling a power amplifier based on transmitter output emissions
4398873677Apparatus and method for enveloping tracking calibration
4408873676Transmitter gain control and calibration
4418867661Configurable load impedance for power amplifier predistortion calibration
4428867660Method and system to measure and compensate undue DCO frequency peaks at GFSK ramp down
4438866549Method of power amplifier calibration
4448855232Transmission apparatus and transmission method
4458848829Circuit and transmitter for reducing transmitter gain asymmetry variation
4468848825Echo cancellation in wireless inband signaling modem
4478837636Method and apparatus for out-of-channel emission suppression
4488837635Controlling a transmit path based on monitored error vector magnitude (EVM) performance
4498837634Methods and apparatus for signal filtering
4508831136Wireless apparatus and distortion compensating method
4518831135Address controller, transmitter, and address control method
4528831134Transmission method, transmission device, reception method, and reception device
4538824975Radio communication device and radio communication method
4548824595High efficiency, remotely reconfigurable remote radio head unit system and method for wireless communications
4558811532Architecture and the training method of a PA DPD system with space mapping applied in the predistorter
4568811530Method and system of beamforming a broadband signal through a multiport network
4578811528Methods and apparatus for transmitting signals with selective delay for compensation of intersymbol interference and simultaneous switching outputs
4588804872Dynamic determination of volterra kernels for digital pre-distortion
4598804871Non-linear adaptive scheme for cancellation of transmit out of band emissions
4608804869OFDM PAPR reduction using cancelation vectors
4618798199Composite power amplifier, transmitter, and composite-power-amplifier control method
4628798195Wireless communication system, base station, terminal and method of generating codebook
4638798194Adaptive compensation of nonlinear frequency distortion in polar transmitters based on a least squares estimation
4648798189Digital video physical layer using a multi-level data code
4658792581RF clock generator with spurious tone cancellation
4668792578Method and apparatus of switched amplification having improved efficiency
4678787493Precoding technique
4688787492Symbol mapping method for repetition channel coding
4698787431Transmitter and communication device
4708781415Distortion correction based feedforward control systems and methods for radio frequency power sources
4718774315Phase-optimized constant envelope transmission (POCET) method, apparatus and system
4728774311Method and system for applying dynamic spectral shaping to digital subscriber loop communication systems
4738774310Low overhead MIMO scheme
4748767869Joint linear and non-linear cancellation of transmit self-jamming interference
4758767868Signal processing circuit and method
4768761304Apparatus and method for processing digital transmission/reception signals to correct in-band gain flatness
4778761303Unequal multipath protection of different frames within a superframe using different cyclic prefix lengths
4788761235Digital transmitter
4798755456Waveform scaling in wireless transmitters
4808750916Transmission power control method, and mobile communication system
4818750814Transmitter/receiver for wireless communication system
4828750417Mobile wireless communications device with separate in-phase (I) and quadrature (Q) phase power amplification and power amplifier pre-distortion and IQ balance compensation
4838750416Compensating for a radio frequency amplifier
4848750414Method and system for polar modulation with discontinuous phase
4858750413Digital modulation with arbitrary input sampling and output modulation frequencies
4868750410Multi-band power amplifier digital predistortion system and method
4878750406Multi-level amplitude signaling receiver
4888744009Reducing transmitter-to-receiver non-linear distortion at a transmitter prior to estimating and cancelling known non-linear distortion at a receiver
4898744003Multi-mode transmitter for highly-spectrally-efficient communications
4908744002Peak power suppressing circuit and communication device having the same
4918737526Predistortion of complex modulated waveform
4928737524Method and device for reducing the transmission power on a digital subscriber line
4938731106Method and apparatus for correcting I/Q mismatch in a wireless communication signal
4948724736Passive transmitter architecture with switchable outputs for wireless applications
4958718188Apparatus and methods for envelope tracking
4968718178Selection of non-linear interference cancelation (NLIC) input
4978717863Method and apparatus for vectored data transmission
4988711976Pre-distortion architecture for compensating non-linear effects
4998711975Tomlinson Harashima precoding with additional receiver processing in a multi-user multiple-input multiple-output wireless transmission system
5008705654Measuring phase shift in a radio frequency power amplifier
5018699619Dutycycle adjustment to improve efficiency of a digital RF-PA
5028687734Non-causal orthogonal frequency division multiplexing tapered peak suppression
5038681897Dynamic digital communication system control
5048681896Transmitter I/Q and carrier leak calibration
5058670501Digital pre-distortion of non-linear systems with reduced bandwidth feedback
5068654890Adaptive real-time control of de-emphasis level in a USB 3.0 signal conditioner based on incoming signal frequency range
5078654889Adaptive compensation systems for mitigating distortion due to nonlinear power amplifiers
5088644417Methods and systems for multi-level data transmission
5098638893Mechanisms for the correction of I/Q impairments
5108638879Transmission method and transmission apparatus
5118638878Method and faculty to measure and compensate DCO frequency distortions using a DPLL
5128638654Method for transmitting downlink control channel in a mobile communication system and a method for mapping the control channel to physical resource using block interleaver in a mobile communication system
5138638361Endoscope apparatus
5148634494Bandpass sampling schemes for observation receiver for use in PA DPD system for concurrent multi-band signals
5158630369Emphasis circuit and transmitter
5168625715Method to reduce peak to average power ratio in multi-carrier modulation receivers
5178625714Time delay estimation
5188625713Method for beamforming transmissions from a network element having a plurality of antennas, and the network element
5198625706Signal processing apparatus, information processing apparatus, multilevel coding method, and data transmission method

2013

5208605817Modulation and layer mapping in physical channels
5218599963Method and apparatus for optimizing transmitter power efficiency
5228594232System for predistortion and post-distortion correction of both a receiver and transmitter during calibration
5238594231Power series digital predistorter and distortion compensation control method therefor
5248588332Dynamic digital pre-distortion system
5258577311Predistortion of amplifier input signals
5268576945Method of and apparatus for signal amplification
5278576944Signal transmitting apparatus for OFDM system and parameter adjusting method thereof
5288576943Linearization for a single power amplifier in a multi-band transmitter
5298571137Distortion and aliasing reduction for digital to analog conversion
5308571136Adaptive symbol transition method for OFDM-based cognitive radio systems
5318565343Transmit power control utilizing loopback error vector magnitude thresholds
5328548091Measuring and correcting errors in a transmit chain with an IQ up-converter and IQ down-converter
5338542769High output power digital TX
5348542768High efficiency, remotely reconfigurable remote radio head unit system and method for wireless communications
5358532687Methods for geographic optimization of cellular telephone transmit power settings
5368532223Power amplifying device and power amplifying method
5378532208Transmission method and transmission apparatus
5388526536Quad LINC transmitter with switchable Chireix amplifiers
5398520773Power amplifier digital predistortion system for concurrent dual band inputs
5408520771WCDMA modulation
5418520770Amplitude suppressing apparatus and signal transmitting apparatus
5428514972Apparatus and method for compensating for delay mismatch between amplitude component signal and phase component signal
5438514971Base station apparatus and method in mobile communication system
5448509838User equipment apparatus for simultaneously transmitting signals via a plurality of wireless communication chips to which different wireless communication schemes are applied and method for controlling transmission power thereof
5458509707Wireless communications device, gaming controller and integrated circuits with millimeter wave transceiver and methods for use therewith
5468509348Up-converted and amplified transmission signal using log-antilog
5478503538Method, apparatus, system, and program for content encoding, content distribution, and content reception
5488494086Distortion and aliasing reduction for digital to analog conversion
5498494085Method and system for bandwidth calibration for a phase locked loop (PLL)
5508494084Reuse of a matrix equalizer for the purpose of transmit beamforming in a wireless MIMO communication system
5518494033Methods providing precoder feedback using multiple precoder indices and related communications devices and systems
5528488718Correction of distortions in an emission chain
5538477871Radio station and active antenna array
5548472556Amplifier device and predistortion control method
5558472551Three phase and polarity encoded serial interface
5568467474Monitor for spectral degradation of transmitter or receiver
5578462883Transmission apparatus and method of controlling the same
5588462882Measurement of transmitter I/Q impairments using shared local oscillators
5598462881Method for digitally predistorting a payload signal and radio station incorporating the method
5608462880System and method for transmitter electromagnetic interference (EMI) reduction
5618451944Tomlinson harashima precoding with additional receiver processing in a multi-user multiple-input multiple-output wireless transmission system
5628446978Communication system
5638443125Single pin read-write method and interface
5648442150Measurement of transmitter impairments using offset local oscillators
5658442149Method for adapting digital data transmission parameters to measured repetitive noise
5668437425Distortion compensation device, distortion compensation method and wireless apparatus
5678437424Robust transmit/feedback alignment
5688432997Method and system of beamforming a broadband signal through a multiport network
5698428180Method and apparatus for correcting I/Q mismatch in a wireless communication signal
5708422539Multi-carrier receiver, multi-carrier transmitter and multi-carrier transceiver system
5718416883Configurable load impedance for power amplifier pre-distortion calibration
5728416882Digital amplitude control of vector generator
5738411791Distortion and aliasing reduction for digital to analog conversion
5748411779Communication system, transmitter, receiver and multiple access method
5758406340Distortion and aliasing reduction for digital to analog conversion
5768401114Mobile telecommunication device and ramping data transmitting method thereof
5778391408Method and apparatus for spatial mapping matrix searching
5788391406Apparatus and method for amplifying signal and wireless transmitter using the same
5798385466Transmitting a signal from a power amplifier
5808385465Transmitter chain timing and transmit power control
5818385464Methods and apparatus for reducing average-to-minimum power ratio in communications signals
5828385451Method and apparatus for improved spatial temporal turbo channel coding (STTCC) using eigen-beamforming
5838374282Method and apparatus for improving digital predistortion correction with amplifier device biasing
5848369443Single-wire asynchronous serial interface
5858363751Communication method and communication system
5868355461Method and device for the noise shaping of a transmission signal
5878345795System and method of beamforming with reduced feedback

2012

5888340214Method and apparatus for generating predistortion signal
5898340209Method and apparatus for providing high efficiency cartesian modulation
5908335278Method for transmitting common feedback channel and transceiver therefor
5918331487Analog signal processor for nonlinear predistortion of radio-frequency signals
5928331485Spur cancellation in a digital baseband transmit signal using cancelling tones
5938325852CDD precoding for open loop SU MIMO
5948325851Method for compensating signal distortion in an emitting payload
5958320498Digital television transmitting system and receiving system and method of processing broadcast data
5968311144Systems and methods for efficient codebook searches
5978306487Phase corrector and phase correction method
5988306150System and method for estimating a transmit channel response and/or a feedback channel response using frequency shifting
5998306149Systems and methods of power amplifier digital pre-distortion
60083061474X over-sampling data recovery method and system
6018295395Methods and apparatus for partial interference reduction within wireless networks
6028284860Error signal processing systems for generating a digital error signal from an analog error signal
6038279972System and method capable of implicit feedback for the devices with an unequal number of transmitter and receiver chains in a wireless local area network
6048279971Determining a level of power reduction for a transmitter
6058275068Method and system for minimizing power consumption in a communication system
6068274329Signal compensation device and communication apparatus
6078270529Software-based spread spectrum signal processing
6088270526Communication system
6098265197OFDM transmission methods in three phase modes
6108254496Power amplifier and radio wave transmitter having the same
6118254245Method for transmitting downlink control channel in a mobile communications system and a method for mapping the control channel to physical resource using block interleaver in a mobile communications system
6128238472Carrier separation frequency error adjustment for UL multiple carrier operation
6138238471Apparatus and method for interference cancellation in multi-antenna system
6148229029Transmitter with reduced spectral regrowth and associated methods
6158229027Pre-distortion and memory compensation apparatus
6168229022Modulation and demodulation method, modulation apparatus and demodulation apparatus
6178224387Beamforming system and method
6188218677Transmitter characterization for digital pre-distortion using offset preamble subcarriers
6198218672Differential data transceiver and method with reversed-wire immunity
6208213536Low complexity systems and methods for peak-to-average ratio (PAR) reduction using reserved tones
6218213532Information processing device and bidirectional transmission method
6228208578Systems, methods, and computer readable media for fractional pre-emphasis of multi-mode interconnect
6238194785Architectural techniques for envelope and phase signal alignment in RF polar transmitters using power amplifier feedback
6248179993Digital branch calibrator for an RF transmitter
6258175188Reduced complexity multicarrier precoder
6268144807Crosstalk cancellation in digital subscriber line communications
6278144806Device, system and method of I/Q mismatch correction
6288130865Digital modulation jitter compensation for polar transmitter
6298130864System and method of beamforming with reduced feedback
6308130851Bandwidth efficient coding for an orthogonal frequency multiplexing OFDM system
6318126081Signal modulation apparatus, signal modulation method, and computer program product
6328121216Channel estimation device, equalization device, and radio system
6338121215Broadband self adjusting quadrature signal generator and method thereof
6348111778Method for suppressing peak power of orthogonally multiplex signal, peak power suppressing circuit, and transmitter
6358107555Pre-emphasis automatic adjusting system, method of adjusting pre-emphasis and pre-emphasis setting signal generating circuit
6368102941Peak suppression control apparatus
6378098737Robust multi-tuner/multi-channel audio/video rendering on a single-chip high-definition digital multimedia receiver
6388094750Digital television transmitting system and receiving system and method of processing broadcast data
6398094748Transceiver architecture with combined smart antenna calibration and digital predistortion
6408090050Radio communication system, receiver, receiving method, transmitter, transmitting method, and device for and method of calculating delay times for multi-carrier transmission
6418090049Method and system for an alternating delta quantizer for limited feedback MIMO pre-coders
6428090048Method and system for an alternating channel delta quantizer for MIMO pre-coders with finite rate channel state information feedback

2011

6438085870Transmitter
6448085869Configurable load impedance for power amplifier predistortion calibration
6458085868Phase modulating and combining circuit
6468081711Predistortion methods and apparatus for polar modulation transmitters
6478081710System and method for corrected modulation with nonlinear power amplification
6488081705Digital video physical layer using a multi-level data code
6498077799Apparatus and method to adjust a phase and frequency of a digital signal
6508073075Transmission apparatus and transmission power control method
6518068557IQ-modulator pre-distortion
6528064535Three phase and polarity encoded serial interface
6538064534Single-wire asynchronous serial interface
6548054912Large-dynamic-range lookup table for a transmitter predistorter and system and method employing the same
6558054911Method for edge formation of signals and transmitter/receiver component for a bus system
6568054907Waveform analyzer
6578054875Autoregressive moving average modeling for feedforward and feedback Tomlinson-Harashima precoder filters
6588050648Superconducting digital mixer
6598050354Apparatus, and associated method, for communicating a data block in a multi carrier modulation communication scheme together with an identification sequence superimposed thereon
6608050352Methods and apparatus for reducing peak-to-RMS amplitude ratio in communication signals
6618050225Assignment of primary and secondary synchronization code sequences to cells in a wireless communication system
6628045643Forward and reverse VSWR insensitive power detection using quadrature downconversion
6638045642IQ-modulator pre-distortion
6648040972Wireless communication apparatus and method, and signal attenuation prediction apparatus and method
6658036305Precoder design for different channel lengths
6668027406Transmitter
6678027388Methods and systems for adaptive communication
6688019015Linearization of RF power amplifiers using an adaptive subband predistorter
6698013638Circuit for the generation of pulse-width modulation signals, particularly for a satellite reception system
6708009764Method and apparatus for improving PAPR in OFDM or OFDMA communication system
6718009763Method and apparatus for equalizing a high speed serial data link
6728009762Method for calibrating a phase distortion compensated polar modulated radio frequency transmitter
6738009761Unified modulator for continuous phase modulation and phase-shift keying
6748009756Peak suppressing and restoring method, transmitter, receiver, and peak suppressing and restoring system
6758005162Dynamic digital pre-distortion system
6767995674Digital predistortion transmitter
6777991074Processing transmission signals in radio transmitter
6787991073Distortion compensation apparatus and method
6797991072Multi-carrier modem transmitter with controlled transmit signal quality degradation for improving stability of operation
6807991071AM to PM correction system for polar modulator
6817986749Method and apparatus for performing fast power control in a mobile communication system
6827986748Peak to average mitigation
6837986745Encoder apparatus and decoder apparatus
6847983358Composite crest factor reduction
6857965790Log-antilog circuit and method for producing an up-converted and amplified transmission signal
6867965789Reverse link power control for an OFDMA system
6877953180Transmission power control method and transmission apparatus
6887953179Peak suppressing OFDM transmitter
6897953178Apparatus and method for detecting signal in a broadband wireless access system
6907953177Radio communication apparatus capable of switching modulation schemes
6917949070Method and apparatus for executing MIMO eigenmode transmission
6927944989Quadrature modulation apparatus, method, program, and recording medium
6937933362Multilevel QAM symbol timing detector and multilevel QAM communication signal receiver
6947929639Device for compensating radio frequency distortion in orthogonal frequency division multiplexing transmission system and method thereof
6957920644Predistortion apparatus and predistortion method
6967920559Transponder, transmission system, transmission method and transmission program
6977916841Method and apparatus for joint detection
6987912148Transmission circuit and communication device
6997903758Digital television transmitting system and receiving system and method of processing broadcast data
7007903501Radio-controlled timepiece and control method for a radio-controlled timepiece
7017899124Methods and systems for adaptive communication
7027895347Compact encoding of arbitrary length binary objects
7037894546Replica linearized power amplifier
7047894510Remote nonlinearity detection via burst power dithering
7057889811Digital linear amplification with nonlinear components (LINC) transmitter
7067889810Method and apparatus for a nonlinear feedback control system
7077885351Method of correcting gain and phase imbalance of a multi-carrier transmission signal, transmitter and base station
7087881404Distortion correction control apparatus and distortion correction control method
7097881403System for realizing emergency rate adjustment
7107881402Compensation for gain imbalance, phase imbalance and DC offsets in a transmitter
7117881401Transmitter arrangement and signal processing method
7127869543System and method for synchronization, power control, calibration, and modulation in communication transmitters
7137869540Method and apparatus for increased communication channel pre-emphasis for clock-like data patterns
7147864882Method and apparatus for generating constant envelope modulation using a quadrature transmitter
7157864881Digital predistortion transmitter
7167864875Apparatus, and associated method, for communicating a data block in a multi carrier modulation communication scheme together with an identification sequence superimposed thereon

2010

7177860185Distortion compensating apparatus and power amplifier apparatus
7187856069Distortion compensation apparatus
7197852968Method and apparatus for optimizing transmitter power efficiency
7207852967Automatic power output control circuit
7217852966Wireless communication base station apparatus and wireless communication method
7227852965Windowed level detector for partial response channels
7237852911Method and arrangement for channel simulation
7247852781Managing communications settings
7257848449Offset compensation device
7267844014Pre-distortion apparatus
7277839950Digital television transmitting system and receiving system and method of processing broadcast data
7287830981Method and system for minimizing power consumption in a communication system
7297830980System and method capable of implicit feedback for the devices with an unequal number of transmitter and receiver chains in a wireless local area network
7307830979Distortion compensation amplification device and correction method
7317830220Modulator arrangement and method for signal modulation
7327826552Semiconductor device and wireless communication system
7337822146System and method for digitally correcting a non-linear element
7347822143Systems and method for transfering digital data and transfering parallel digital data in a serial data stream including clock information
7357817755System, device and method for generating a logarithmic function according to a plurality of communication signals
7367817737Method of generating multi-channel local oscillation frequencies
7377809080Strategically selecting data captures for signal predistortion
7387804914Radio transmission apparatus having peak suppression function
7397801245Increased reliability of data captures for signal predistortion
7407801244Am to AM correction system for polar modulator
7417792214Polar modulation transmitter circuit and communications device
7427787563Transmitter for wireless applications incorporation spectral emission shaping sigma delta modulator
7437787558Rapid re-synchronization of communication channels
7447778353Controller for a radio-frequency amplifier
7457778345Distortion compensation in a communication system
7467773692System and methods for digitally correcting a non-linear element using a digital filter for predistortion
7477769103Amplifier system employing analog polynomial predistortion with sub-nyquist digital adaptation
7487751496Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture
7497746957Distortion correction control apparatus and distortion correction control method
7507746956Method and system for bandwidth calibration for a phase locked loop (PLL)
7517742541Transmission circuit, and communication apparatus using the same
7527742539Adaptation of IQ-error compensation
7537742535Crest factor reduction system and method for OFDM transmission systems using selective sub-carrier degradation
7547738590Radio communication apparatus capable of switching modulation schemes
7557729446System and method for digitally correcting a non-linear element using a multiply partitioned architecture for predistortion
7567724839Multilevel LINC transmitter
7577720175Apparatus and method for reducing peak-to-average power ratio in an OFDM communication system
7587715493Digital transmitter and methods of generating radio-frequency signals using time-domain outphasing
7597711069Distortion-compensation amplification apparatus and distortion compensation method
7607711066Uniform channel decomposition for MIMO communications
7617711065Circuit for canceling DC offset in a communication system
7627697628Data signal transmission devices and methods for ternary-line differential signaling
7637688914Distortion compensation in wireless digital communication
7647684514Transmitter apparatus and wireless communication apparatus
7657684513Amplifier circuit and amplifying method
7667680210Method for generating I/Q signal in a TDMA transmitter and corresponding modulator
7677675982Method and system for reducing peak-to-average power for OFDM signals
7687672398Method and system for adjusting the amplitude and phase characteristics of real and imaginary signal components of complex signals processed by an analog radio transmitter
7697672397Method for producing a transmission signal
7707672396Reducing image spectral leakage due to I-Q imbalance
7717672395Digital predistorter and predistortion method therefor
7727672393Single-wire asynchronous serial interface
7737664202Transmission device and wireless communication apparatus
7747664200Method and system for minimizing effects of transmitter impairments in multiple input multiple output (MIMO) beamforming communication systems
7757657238Method and apparatus for modulating a radio signal using digital amplitude and phase control signals
7767656964Forward and reverse VSWR insensitive power detection using phase shifting and harmonic filtering
7777646826Type dependency modulation method with type control

2009

7787620116Technique for determining an optimal transition-limiting code for use in a multi-level signaling system
7797616700Method and system for slicing a communication signal
7807613251Distortion compensating apparatus and method
7817596185Radio transmitter with variable amplifier units in the baseband section and in the radio-frequency section of the transmission path
7827593484Radio frequency (RF) receiver with double loop integrated fast response automatic gain control (AGC)
7837593480Transmission device and radio communication device
7847586995Peak windowing for crest factor reduction
7857583749Digital data transmitting apparatus
7867580476Communication system and method for improving efficiency and linearity
7877580472Generation and detection of non-binary digital sequences
7887570689Advanced receiver with sliding window block linear equalizer
7897565118Polar modulation transmission apparatus and wireless communication apparatus
7907564922RF transmitter for efficiently compensating output power variation due to temperature and process
7917561636Digital predistortion apparatus and method in power amplifier
7927558332Adaptive controller for linearization of transmitter with impairments
7937555057Predistortion calibration in a transceiver assembly
7947542517Peak-to-average power reduction for FM OFDM transmission
7957539268Transmission/reception arrangement and method for reducing nonlinearities in output signals from a transmission/reception arrangement
7967519132Reduced complexity multicarrier precoder
7977512193Circuit and method for pre-emphasis in data serialization
7987512191Method and apparatus for implementing a channel correction in a digital data link
7997508805Apparatus and method for detecting transmitting rate of turbo decoder
8007505531Signal communications system and method for noisy links
8017499502Amplifier, information communication apparatus and amplification method
8027496152Adaptive control apparatus
8037486939Apparatus for removing distortions created by an amplifier
8047486744Distortion compensation apparatus
8057480344Architectural techniques for envelope and phase signal alignment in RF polar transmitters using power amplifier feedback
8067474708Multimode transmitter architecture

2008

8077471739Advanced adaptive pre-distortion in a radio frequency transmitter
8087466764Delay regulating device
8097466763Address generating device and method of generating address
8107466762Distortion compensating apparatus
8117463697Multicarrier transmitter and methods for generating multicarrier communication signals with power amplifier predistortion and linearization
8127460613Digital linearization circuit
8137453954Systems and methods for the reduction of peak to average signal levels of multi-bearer single-carrier and multi-carrier waveforms
8147447274Distortion compensation apparatus
8157443923Distortion compensating apparatus and method
8167440514Control of data transmission voltage level using clipping in a low-voltage network
8177440494Method and system of bidirectional data transmission and reception
8187433421Distortion compensation apparatus
8197433420Phase rotation estimation
8207433419ICI cancellation method for an OFDM system
8217430250Distortion compensating apparatus
8227430249Carrier state judging device and transmitting device
8237421036Systems and methods of RF power transmission, modulation, and amplification, including transfer function embodiments
8247418058Distortion compensating apparatus and method
8257418057Distortion compensating apparatus, compressed data generating method
8267418056Digital predistorter using power series model
8277418055Device and method for regulating the output power of mobile
8287409194Calibrating an RF transmitter
8297409011Systems and methods for the dynamic range compression of multi-bearer single-carrier and multi-carrier waveforms
8307409010Method and system for transmitting signals with reduced spurious emissions
8317409007Method and apparatus for reducing adjacent channel power in wireless communication systems
8327406132Pre-equalizer, VSB transmission system using the same, and transmission method thereof
8337403572Method of preventing interferring signal transmission of electronic products
8347397863Implementation technique for linear phase equalization in multi-mode RF transmitters
8357391840Phase locked loop circuit, electronic device including a phase locked loop circuit and method for generating a periodic signal
8367391822Method and apparatus for estimating a sample delay between a transmission signal and a feedback signal in a mobile communication system, and a base station transmitter using the same
8377388926Quadrature modulation system
8387382834Phase rotation estimation
8397372918Transmission device with adaptive digital predistortion, transceiver with transmission device, and method for operating a transmission device
8407372917Digital algorithm for on-line ACPR optimization in polar RF transmitters
8417366252Wideband enhanced digital injection predistortion system and method
8427362819Device and method for reducing peaks of a composite signal
8437362818Amplitude and phase comparator for microwave power amplifier
8447359450Digital transmission of broadcast signals, including HDTV signals, over a microwave link
8457346122Direct modulation of a power amplifier with adaptive digital predistortion
8467340005Signal transmission apparatus and method
8477336725Digital predistortion system and method for high efficiency transmitters
8487333557Adaptive controller for linearization of transmitter with impairments
8497330517Amplifier linearization using non-linear predistortion
8507327803Systems and methods for vector power amplification
8517319723Apparatus and method for reducing PAPR in an OFDM mobile communication system
8527317764Method of signal transmission to multiple users from a multi-element array

2007

8537313199Power amplifier linearization
8547313197Data transceiver and method for transceiving data performing equalization and pre-emphasis adaptive to transmission characteristics of receiving part
8557310301Multi-carrier modulation with source information allocated over variable quality communication channel
8567308041Method and transmitter for transmitting radio signals
8577298793Method and apparatus for I/Q mismatch calibration of transmitter
8587298791Multiple date rate filtered modulation system for digital data
8597298790Low frequency self-calibration of a PLL with multiphase clocks
8607289575Signal processing means
8617288999Pre-distortion system for a synthesizer having modulation applied in the reference path
8627280809Method for adjusting transmission parameters from a transmitter for digital radio signals
8637280497Methods and apparatus for coupling an earth terminal to a satellite
8647280496Methods and apparatus for coupling a satellite to an earth terminal
8657277497System and method for transitioning between modulation formats in adjacent bursts triggering on data flow
8667272195Method and circuit for controlling the peak power of a filtered signal in a single carrier data transmission system
8677269231System and method for predistorting a signal using current and past signal samples
8687268619Amplifier pre-distorter method and apparatus
8697263136Predistortion modulator
8707260157Phase shifted transmitter architecture for communication systems
8717260155Method and apparatus for encoding and decoding digital communications data
8727256649Multiple signal intermodulation reduction system
8737251293Digital pre-distortion for the linearization of power amplifiers with asymmetrical characteristics
8747251291System and method for I/Q imbalance compensation
8757248644Circuit and method for compensating for nonliner distortion of power amplifier
8767248642Frequency-dependent phase pre-distortion for reducing spurious emissions in communication networks
8777230997Semiconductor integrated circuit for communication, radio-communications apparatus, and transmission starting method
8787230996Transmitting circuit device and wireless communications device
8797230994Multi-level modulation apparatus, multi-level demodulation apparatus, multi-level modulation/demodulation communication system, program and modulation/demodulation method
8807227907Antenna adaptation comparison method for high mobility
8817224747Generating coefficients for a prediction filter in an encoder
8827221715Timing recovery device
8837215717Distortion compensation circuit
8847212580Multi-level signal clock recovery technique
8857203247Digital predistortion technique for WCDMA wireless communication system and method of operation thereof
8867200180Data transceiver with filtering and precoding
8877197087System and method for differential IQ delay compensation in a communications system utilizing adaptive AQM compensation
8887197086Wide-bandwidth, high-dynamic-range linear amplifier for a CDMA transmitter in a wireless base station
8897197085Frequency-dependent magnitude pre-distortion for reducing spurious emissions in communication networks
8907197084Precoding for a multipath channel in a MIMO system
8917190737Multi-mode block-coded modulation/demodulation method
8927180959Technique for utilizing spare bandwidth resulting from the use of a code in a multi-level signaling system
8937180958Technique for utilizing spare bandwidth resulting from the use of a transition-limiting code in a multi-level signaling system
8947180957Technique for utilizing spare bandwidth resulting from the use of a transition-limiting code in a multi-level signaling system
8957177370Method and architecture for dual-mode linear and saturated power amplifier operation
8967177369Multipath communication methods and apparatuses
8977170951Device and method for predistorting a transmission signal to be transmitted via a nonlinear transmission path
8987161990Predistortion amplifier
8997158594Receivers for controlled frequency signals
9007158581Method of determining parameters of an N-gate

2006

9017145962Predistortion digital linearizer and gain controlling method thereof
9027142612Method and apparatus for multi-level signaling
9037139327Digital pre-distortion of input signals for reducing spurious emissions in communication networks
9047139326Image-canceling quadrature modulator and method
9057133466Amplifying apparatus
9067133464Transmission apparatus
9077116949Semiconductor integrated circuit device and wireless communication system
9087113551Transmitter with limited spectral regrowth and method therefor
9097106806Reducing distortion of signals
9107103111System and method for generating a spectral efficient root raised cosine (RRC) pulse for increasing spectral efficiency
9117103108Digital signal processor transceiver
9127099403Precoding for a non-linear codec
9137099400Multi-level pulse amplitude modulation receiver
9147095819Direct modulation architecture for amplitude and phase modulated signals in multi-mode signal transmission
9157095800Digital precoding filter for a transmission filter
9167072420Communications systems
9177072415Method and apparatus for generating multi-level reference voltage in systems using equalization or crosstalk cancellation
9187065167Method and apparatus for constellation shaping
9197065155Method and apparatus for a transceiver having a constant power output
9207065154Baseband predistortion method for multicarrier transmitters
9217058152Method and apparatus for timing recovery in ADSL transceivers under a TCM-ISDN crosstalk environment
9227058139Transmitter with transmitter chain phase adjustment on the basis of pre-stored phase information
9237046740Reduced complexity multicarrier precoder
9247042936Dynamic amplitude tilt equalizer
9257039123Signal demodulation method and apparatus for reproducing data from received signal
9267039121Method and system for transition-controlled selective block inversion communications
9277035338Method and apparatus for encoding/framing for modulated signals over impulsive channels
9287006553Analog signal separator for UWB versus narrowband signals
9297003051Time delay estimation in a transmitter
9306999523Multi-frequency transmitter using predistortion and a method of transmitting

2005

9316968279Apparatus and method for determining a pulse position for a signal encoded by a pulse modulation
9326968002Method and apparatus for time aligning data modulators using frequency domain analysis of detected output
9336967993Ultrawide bandwidth system and method for fast synchronization using sub-code spins
9346963697Increased transmission capacity for a fiber-optic link
9356962293Circuit for generating clock signal and decoding data signal for use in contactless integrated circuit card
9366961374Pulse data coding method for wireless signal transmitting and receiving devices
9376961305Polarity-alternated pulse width CDMA and method for measuring distance using the same
9386960982Electronic control unit for variable PWM communication
9396959038High-speed decoder for a multi-pair gigabit transceiver
9406954496Method for transmitting data from an interrogating device to portable objects
9416950889Data transfer control device and electronic instrument
9426947795Frame length modulation and pulse position modulation for telemetry of analog and digital data
9436947482System and method for high-speed decoding and ISI compensation in a multi-pair transceiver system
9446944237Multi-pair transceiver decoder system with low computation slicer
9456944215Method and apparatus for transmitting data from an analogue modem to a digital modem through an analogue channel
9466937664System and method for multi-symbol interfacing
9476937663Baseband signal converter for a wideband impulse radio receiver
9486937639System and method for positioning pulses in time using a code that provides spectral shaping
9496931078Ultra wide bandwidth spread-spectrum communications systems
9506931072Upstream data transmission
9516930845Data writing and reading
9526930621Method to overlay a secondary communication channel onto an encoded primary communication channel
9536928106Phy control module for a multi-pair gigabit transceiver
9546928018Dynamic register with low clock rate testing capability
9556927709Transmission and reception interface and method of data transmission
9566927565Dynamic register with IDDQ testing capability
9576925108Ultrawide bandwidth system and method for fast synchronization
9586920576Parallel data communication having multiple sync codes
9596914637Method and system for video and auxiliary data transmission over a serial link
9606912372Ultra wideband signals for conveying data
9616911922Method to overlay a secondary communication channel onto an encoded primary communication channel
9626911843Data transfer device for transferring data between blocks of different clock domains
9636909877Carrierless ultra wideband wireless signals for conveying data
9646909337Noncoherent pulse position and phase shift keying transmission/reception system and a transmission/reception signal processing method therefor
9656908037Circuit for generating clock signal and decoding data signal for use in contactless integrated circuit card
9666907090Method and apparatus to recover data from pulses
9676903780Method of expanding high-speed serial video data providing compatibility with a class of DVI receivers
9686901112Ultra wide bandwidth spread-spectrum communications system
9696898252IQ mismatch cancellation
9706895059Method and apparatus for data transfer using a time division multiple frequency scheme
9716895034Ultra-wideband pulse generation system and method
9726891899System and method for bit encoding to increase data transfer rate
9736888815Subscriber unit for compressing and transmitting high speed data
9746886181Extended distribution of ADSL signals
9756885716Encoding and decoding system
9766885698Efficient hardware implementation for signal reconstruction over multiple analog-to-digital, digital-to-analog conversions in a telecommunication system
9776882826Process for the transfer of data
9786876315DC-balanced 6B/8B transmission code with local parity
9796870410All digital power supply system and method that provides a substantially constant supply voltage over changes in PVT without a band gap reference voltage
9806868119Power supply tone compensation for voice band modems
9816865239Deterministic distortion insensitive adaptive receiver using decision updating
9826865234Pair-swap independent trellis decoder for a multi-pair gigabit transceiver
9836862317Modulation technique providing high data rate through band limited channels
9846859154Method to overlay a secondary communication channel onto an encoded primary communication channel
9856850733Method for conveying application data with carrierless ultra wideband wireless signals
9866847312Symmetric line coding
9876842126Block coding system and method for data aggregation
9886839006Communication device

2004

9896834073System and method for baseband removal of narrowband interference in ultra wideband signals
9906831453Determining the magnitude of pulses
9916826225Integrated modem and line-isolation circuitry with selective raw data or modem data communication and associated method
9926823483Physical coding sublayer for a multi-pair gigabit transceiver
9936823028Digitally controlled automatic gain control system for use in an analog front-end of a receiver
9946819710Integrated modem and line-isolation circuitry and associated method having intrusion detection
9956819169Isolation interface with capacitive barrier and method for transmitting a signal by means of such isolation interface
9966816545Systems, methods and computer program products for identifying digital impairments in modems based on clusters and/or skips in pulse code modulation signal levels
9976810087Ultra-wideband communications system
9986807228Dynamic regulation of power consumption of a high-speed communication system
9996806817Means and method of data encoding and communication at rates above the channel bandwidth
10006798851Decoding for a non-linear codec
10016798844Correction of phase and amplitude imbalance of I/Q modulator
10026795405Digital modem echo canceler enhancement
10036792403Method and apparatus for compressing and transmitting ultra high speed data
10046791358Circuit configuration with signal lines for serially transmitting a plurality of bit groups
10056788745Circuit and method for active termination of a transmission line
10066788742Variable length trellis for data transmission
10076788730Method and apparatus for applying codes having pre-defined properties
10086785340PCM upstream and downstream system for universal digital loop carrier
10096785326Method and apparatus for detecting and compensating digital losses in a communications network
10106782300Circuits and methods for extracting a clock from a biphase encoded bit stream and systems using the same
10116781470Tunable oscillator
10126778611Subdimensional single-carrier modulation
10136778602Multi-pair gigabit ethernet transceiver
10146778597Distinguishing between final coding of received signals in a PCM modem
10156778483Multilevel record modulator and demodulator
10166775337Digital automatic gain control with feedback induced noise suppression
10176775324Digital signal modulation system
10186775300Clock distribution in a communications network
10196771725Multi-pair gigabit ethernet transceiver
10206771696Integrated modem and line-isolation circuitry and associated method utilizing a DC termination pin to monitor line voltage
10216768429Multiplexing an additional bit stream with a primary bit stream with conversion between qB/rB and xB/yB encoded bit streams
10226765959Communication method of contactless ID card and integrated circuit used in communication method
10236763197Optical transmitter and optical transmitter control method using variable duty ratio setting and alternate phase inversion for optical clock pulses
10246763057Vector modulation system and method for wideband impulse radio communications
10256760764Real time stamp distribution
10266759969Fiberoptic transceiver system
10276757334Bit rate agile third-generation wireless CDMA, GSM, TDMA and OFDM system
10286757325Methods, modems and computer program products for identification of a modem type and adjustment of a communication configuration based on modem type
10296756925PSK RSFQ output interface
10306756920Coding device, decoding device, method for coding, and method for decoding
10316754282DC-free run length constrained line coding with channel gain
10326751276Method and apparatus for decoding a digital signal
10336748027CMI signal timing recovery
10346748022Single sideband suppressed carrier digital communications method and system
10356741646Modulation technique for transmitting a high data rate signal, and an auxiliary data signal, through a band limited channel
10366741190Method and apparatus for adaptive bus coding for low power deep sub-micron designs
10376738945Signal transmission device and method for avoiding transmission error
10386738436Fixed and variable data-rate, matched-filter receiver
10396738419Dynamic regulation of power consumption of a high-speed communication system
10406737859Dynamic register with IDDQ testing capability
10416735397Skew discovery and compensation for WDM fiber communications systems using 8b10b encoding
10426735246Integrated modem and line-isolation circuitry with data flow control and associated method
10436735238Ultra wideband communication system, method, and device with low noise pulse formation
10446731914Determination of transmitter distortion
10456731873Bidirectional optical communications using on-off keying to generate a hybrid form of Manchester serial encoding for one of either upstream or downstream transmission
10466731691Multi-pair gigabit ethernet transceiver having adaptive disabling of circuit elements
10476728320Capacitive data and clock transmission between isolated ICs
10486728309Method and apparatus for high speed data transmission over a four-wire subscriber line
10496724891Integrated modem and line-isolation circuitry and associated method powering caller ID circuitry with power provided across an isolation barrier
10506724814Pad and CODEC detection
10516724773Arrangement comprising electronic devices exchanging information
10526721916System and method for trellis decoding in a multi-pair transceiver system
10536721376Signal encoding for transmission of multiple digital signals over single physical medium
10546721363Receiver CODEC super set constellation generator
10556721357Constellation generation and re-evaluation
10566717992Method and apparatus for receiving a plurality of time spaced signals
10576714590Integrated modem and line-isolation circuitry and associated method
10586711216Method and apparatus for an ultra-wideband radio utilizing MEMS filtering
10596711122Frequency offset differential pulse position modulation
10606710724Device for encoding/decoding n-bit source words into corresponding m-bit channel words, and vice versa
10616707848Demodulator for a multi-pair gigabit transceiver
10626704355Method and apparatus to enhance timing recovery during level learning in a data communication system
10636700941Digital demodulation apparatus
10646700939Ultra wide bandwidth spread-spectrum communications system
10656700931Method, system and apparatus for initiating and maintaining synchronization of a pulse position modulation (PPM) decoder with a received PPM signal
10666697463System for providing increased data speed using high resolution analog to digital conversion
10676693967Detecting encoding and encoding conversion for modem connections
10686693917Digital subchannel transceiver for transmitting data
10696690894Multilevel optical signals optimized for systems having signal-dependent and signal-independent noises, finite transmitter extinction ratio and intersymbol interference
10706690749High speed encoding and decoding apparatus and method for analog subscriber connections
10716690309High speed transmission system with clock inclusive balanced coding
10726687306Constellation adjustment based on detected encoding and encoding conversion for modem connections
10736687286Programmable transmitter circuit for coupling to an ethernet or fast ethernet
10746674794System and method for sampling phase adjustment by an analog modem

2003

10756671316Three state pulse width modulation code
10766671310Method and apparatus for positioning pulses over time by applying time-hopping codes having pre-defined characteristics
10776665348System and method for interoperable multiple-standard modulation and code selectable Feher's GMSK, enhanced GSM, CSMA, TDMA, OFDM, and third-generation CDMA, W-CDMA and B-CDMA
10786665336MODEMS, METHODS, AND COMPUTER PROGRAM PRODUCTS FOR SELECTING AN OPTIMUM DATA RATE USING ERROR SIGNALS REPRESENTING THE DIFFERENCE BETWEEN THE OUTPUT OF AN EQUALIZER AND THE OUTPUT OF A SLICER OR DETECTOR
10796662322Systems, methods, and computer program products for controlling the error rate in a communication device by adjusting the distance between signal constellation points
10806662238Integrated modem and line-isolation circuitry with command mode and data mode control and associated method
10816661837MODEMS, METHODS, AND COMPUTER PROGRAM PRODUCTS FOR SELECTING AN OPTIMUM DATA RATE USING ERROR SIGNALS REPRESENTING THE DIFFERENCE BETWEEN THE OUTPUT OF AN EQUALIZER AND THE OUTPUT OF A SLICER OR DETECTOR
10826661727Dynamic register with low clock rate testing capability
10836658583PWM control circuit, microcomputer and electronic equipment
10846658097Codec circuit and method for increasing the data transmission rate during a modem transmission
10856650698Non-linear equalization for the upstream data connection of 56K PCM modems
10866650638Decoding method and decoder for 64b/66b coded packetized serial data
10876650268Method and apparatus for a pulse decoding communication system using multiple receivers
10886643814Maximum transition run encoding and decoding systems
10896643471Increased transmission capacity for a fiber-optic link
10906643469Method for improved wireless optical communication and frames for use in a wireless optical communication system
10916643341Voice and image signal transmission method using code output
10926643332Method and apparatus for multi-level coding of digital signals
10936643270Method of compensating for systemic impairments in a telecommunications network
10946642864Method and apparatus for encoding/decoding N-bit data into 2N-bit codewords
10956636166Parallel communication based on balanced data-bit encoding
10966636125Modulation device of the pulse width of very high-frequency signals
10976633620Data receiver capable of invalidating erroneous pulses
10986633243Method of encoding video data for serial transmission
10996628596Multi-valued data elements for computer systems
11006624770Block coding system and method of data aggregation
11016624766Recovery and transmission of return-to-zero formatted data using non-return-to-zero devices
11026624763Multiplexing an additional bit stream with a primary bit stream
11036621945Modulation scheme for NRZ signals and transmitter
11046618451Efficient reduced state maximum likelihood sequence estimator
11056614839Method and apparatus for identifying the encoding type of a central office codec
11066611563Systems, methods and computer program products for data mode refinement of modem constellation points
11076611554Method of forming a set of constellations which is intended to be used for transmitting data between a transmitter and a receiver
11086611537Synchronous network for digital media streams
11096608840Use of modified line encoding and low signal-to-noise ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link
11106606355Channel coding in the presence of bit robbing
11116604219DC control of a multilevel signal
11126603805Transceiver circuit transmitting/receiving a tenary pulse signal
11136600780Apparatus and method for adapting a filter of an analog modem
11146600433Method and apparatus for correcting digital code words in a digital communication network
11156597752Method for detecting a dotting sequence for manchester encoded data in a deep fading environment
11166597732High-speed modem with uplink remote-echo canceller
11176594325Circuitry, architecture and method(s) for synchronizing data
11186594306Method and apparatus for a start-up procedure for digital and analog modems utilizing pulse code modulation for data transmission
11196593867High performance bus interface
11206592274Transmission and reception of duobinary multilevel pulse-amplitude-modulated optical signals using finite-state machine-based encoder
11216584078Asymmetric modem communications system and method
11226583735Method and apparatus for adaptive bus coding for low power deep sub-micron designs
11236581114Method and system for synchronizing serial data
11246580538Reduction of optical impairments in wavelength division multiplexed systems employing a wavelength bus architecture
11256577689Timing recovery system for a 10 BASE-T/100 BASE-T ethernet physical layer line interface
11266577684TRANSMISSION/RECEPTION METHOD AND DEVICE WHERE INFORMATION IS ENCODED AND DECODED ACCORDING TO RULES DEFINED BASED ON A RELATION BETWEEN A PREVIOUSLY-GENERATED MULTILEVEL CODE AND A CURRENTLY GENERATED MULTILEVEL
11276574280Method and apparatus for detecting and determining characteristics of a digital channel in a data communication system
11286574207Method for subscriber unit compressing and transmitting high speed data
11296573759Apparatus and method for extracting data values from a signal encoded with AES3 data
11306570932Calculation and verification of transmit power levels in a signal point transmission system
11316570917Equalizer training in the presence of network impairment
11326567463Method and system for detecting analog and ADPCM links in a communication channel
11336567423Parallel bit stuffing for a serial data transfer protocol
11346563878Method of and apparatus for generating PCM code sets
11356563333Dynamic register with IDDQ testing capability
11366560279Two wire multiplex data acquisition system with remote unit mode controls
11376560277Distinguishing between final coding of received signals in a PCM modem
11386559692Output driver for a 10baset/100basetx ethernet physical layer line interface
11396557124Method and system for encoding data for high performance error control
11406556638Method and apparatus for providing increased data speed using synchronization and bit robbing techniques
11416556628Methods and systems for transmitting and receiving differential signals over a plurality of conductors
11426556581Ethernet to phase shift key converter
11436553518SEVERE ERROR DETECTORS, METHODS AND COMPUTER PROGRAM PRODUCTS THAT USE CONSTELLATION SPECIFIC ERROR EVENT THRESHOLDS TO DETECT SEVERE ERROR EVENTS DURING DEMODULATION OF A SIGNAL COMPRISING SYMBOLS FROM A PLURALITY OF SYMBOL CONSTELLATIONS
11446553074Method and device for combating PCM line impairments
11456553061Method and apparatus for detecting a waveform
11466542551Translation table and constellation design for a PCM modem subjected to alternating robbed bit signaling
11476535545RF modem utilizing saw resonator and correlator and communications transceiver constructed therefrom
11486526383Method and apparatus for compressing and transmitting high speed data
11496516035Intelligent encoding method for wireless data communication and control
11506516025High-speed upstream modem communication
11516513831Method and system for communicating between sensors and a supplemental restraint system controller
11526512787Digital impairment learning method and system
11536509849Method and device for digitally coding binary data with a particular transmit signal spectrum
11546505032Carrierless ultra wideband wireless signals for conveying application data
11556504886Communication of an impairment learning sequence according to an impairment learning sequence descriptor
11566504865Digital connection detection technique

2002

11576501802Digital silence for a PCM data communication system
11586498818Method and system for transmitting information by means of phase modulation
11596496583Digital data transfer apparatus and method
11606496540Transformation of parallel interface into coded format with preservation of baud-rate
11616492919Circuit system suitable for codifying NRZ type binary signals into CMI type binary signals
11626487264RF modem apparatus
11636487263Decoding of a biphase modulated bitstream and relative self-synchronizing frequency divider with noninteger ratio
11646487258Methods and apparatus for decoding data
11656487243Modems, methods, and computer program products for recovering from errors in a tone reversal sequence between two modems
11666487222Quarter-rate 2B1Q ISDN architecture with embedded differential delay compensation for extending range of DDS communications
11676483802Communication system for driving pairs of twisted pair links
11686480549Method for determining attenuation in a digital PCM channel
11696480533Method and apparatus for receiving control signals in a data communication system having a fully digital communication channel
11706477205Digital data transmission via multi-valued logic signals generated using multiple drive states each causing a different amount of current to flow through a termination resistor
11716477200Multi-pair gigabit ethernet transceiver
11726477199Dynamic regulation of power consumption of a high-speed communication system
11736476736Single interconnect, multi-bit interface
11746473456Data acquisition sensor and method of signaling
11756470055Spectrally efficient FQPSK, FGMSK, and FQAM for enhanced performance CDMA, TDMA, GSM, OFDN, and other systems
11766463104Method of increasing coding levels
11776463092System and method for sending and receiving data signals over a clock signal line
11786462860Method and apparatus of detection of pulse position modulated optical signals
11796459746Multi-pair gigabit ethernet transceiver
11806456667METHOD OF CODING SIGNAL FOR DIGITAL OPTICAL COMMUNICATION HAVING SPECTRUM WHICH ATTAINS ZERO LEVEL AT PRESCRIBED FREQUENCY WITHIN MAIN LOBE BAND, BASEBAND TRANSMITTER OR ASK TRANSMITTER USING SUCH METHOD, AND BASEBAND RECEIVER OR ASK RECEIVER DECODING SIGNAL CODED BY SUCH METHOD
11816456666Signal encoding for transmission of multiple digital signals over single physical medium
11826456651Method and apparatus for adjustment of the sampling phase in a PCM modem system using a dual-phase probing signal
11836456552Dynamic register with low clock rate testing capability
11846452990Synchronous detection of wide bi-phase coded servo information for disk drive
11856449315Serial line synchronization method and apparatus
11866445737Digital modulation device in a system and method of using the same
11876445476Transmission and reception of duobinary multilevel pulse-amplitude-modulated optical signals using subsequence-based encoder
11886442200Modulating circuit, demodulating circuit and modulating and demodulating circuit system, using PPM method
11896438178Integrated circuit for receiving a data stream
11906438175Data transmission method and apparatus
11916438158Method and apparatus for implementing enhanced multiple modulus conversion techniques in a signal point mapping context
11926437713Programmable logic device having amplitude and phase modulation communication
11936434190Generalized precoder for the upstream voiceband modem channel
11946430230Methods of encoding payload bits for transmission
11956430225Apparatus and method for digital data transmission
11966430220Distortion reduction method and apparatus for linearization of digital pulse width modulation by efficient calculation
11976424675System and method for implementing V.90 central site modem functionality at a customer premises
11986424444Transmission and reception of duobinary multilevel pulse-amplitude-modulated optical signals using finite-state machine-based encoder
11996421389Baseband signal converter for a wideband impulse radio receiver
12006421375Method and apparatus for transmitting control signals in a data communication system having a fully digital communication channel
12016421320Asymmetric modem communications system and method
12026418172Look-ahead maximum likelihood sequence estimation decoder
12036418170Method and apparatus for achieving 180.degree. phase invariant transmission in a PCM modem system
12046414990Timing recovery for a high speed digital data communication system based on adaptive equalizer impulse response characteristics
12056414989Upstream PCM transmission for a modem system
12066411117Dynamic register with IDDQ testing capability
12076408021PCM modem adaptation system utilizing a silence period
12086407691Providing power, clock, and control signals as a single combined signal across an isolation barrier in an ADC
12096404809Method and apparatus for training equalizer structures in a digital communication system having periodic digital impairments
12106404807High speed dial-up service using PCM modem technology
12116400770High speed encoding and decoding methods for analog subscriber connections
12126396415Method and system of communicating in a subterranean well
12136393029Use of modified line encoding and low signal-to-noise auto ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link
12146392570Method and system for decoding 8-bit/10-bit data using limited width decoders
12156389077Adaptively configurable class-A/class-B transmit DAC for transceiver emission and power consumption control
12166389064Modems, methods, and computer program products for identifying a signaling alphabet in variance with an ideal alphabet due to digital impairments
12176388784Digital optical transmitter and digital optical receiver making communication by superposing subdata on modulated waveform of main data
12186385189Method and apparatus for compressing and transmitting high speed data
12196381623Method for adaptive filter adjustment in a QAM/CAP system
12206381266Method and apparatus for identifying the encoding type of a central office codec
12216377073Structure and method for reduction of power consumption in integrated circuit logic
12226373900Multi-pair transceiver decoder system with low computation slicer
12236373887HTU-C clocking from a single source
12246373884Method and apparatus for transmitting data
12256373859Methods and apparatus for encoding and decoding data
12266373405Conversion method, restoration method, conversion device, and restoration device
12276370212Method and device for decoding manchester encoded data
12286370206Adaptive cap receiver and method for controlling a cap receiver
12296370124Technique for treating channel impairments including a digital loss in transmitted signals in data communications
12306369728Method and system for real-time processing of the recorded PCM data to get the desired full-scale range of values
12316369723Replacement of special characters in a data stream
12326366591Technique for treating channel impairments involving measuring a digital loss in transmitted signals in data communications
12336366565Asymmetric modem communications system and method
12346363129Timing recovery system for a multi-pair gigabit transceiver
12356363086Method for combining signals on a digital interface
12366359932Verification of transmit power levels in a signal point limited transmission system
12376359525Modulation technique for transmitting multiple high data rate signals through a band limited channel
12386357031Serial data transmission apparatus and method with a data checking feature
12396356596Encoding and decoding method using a multi-state signal
12406356593Data optimized codec
12416351501Apparatus and method for providing direct current balanced code
12426351498Robust digital modulation and demodulation scheme for radio communications involving fading
12436347390Data encoding method and device, data decoding method and device, and data supply medium
12446341360Decision feedback equalizers, methods, and computer program products for detecting severe error events and preserving equalizer filter characteristics in response thereto
12456341023Multiple level modulation in a wavelength-division multiplexing (WDM) systems
12466339622Data transmission device
12476335718Data transmission apparatus and method

2001

12486332009Method and apparatus for generating a line impairment learning signal for a data communication system
12496327308Asynchronous differential communication
12506327301Detection and adaptation to digital network impairments by PCM modems
12516324143Memory system for multisignal
12526323789Method and apparatus for combining a plurality of 8B/10B encoded data streams
12536323787Data transmission method and device
12546323727Apparatus and method for detecting digital FM
12556320900Methods and arrangements for transmitting high speed data over reduced bandwidth communication resources
12566320590Data bus compressing apparatus
12576317469Method and apparatus for utilizing a data processing system for multi-level data communications providing self-clocking
12586317419Method and apparatus for training an echo canceler in a PCM modem context
12596310906Chaotic carrier pulse position modulation communication system and method
12606307905Switching noise reduction in a multi-clock domain transceiver
12616307864Process and device for the baseband transcoding of digital information
12626304600Modulation/demodulation method and apparatus
12636304597Integrated modem and line-isolation circuitry with selective modem processing and associated method
12646301309Signal gating controller for enhancing convergency of MLT3 data receivers
12656301306Method and apparatus for generating a short-range wireless data communication link
12666301296Digital impairment learning sequence
12676295318Method and system for increasing the data rate over twisted copper pairs and other bandwidth-limited dedicated communications facilities
12686295272Subchannel modulation scheme for carrying management and control data outside the regular data channel
126962950108B/10B encoder system and method
12706292051Architecture of non-synchronous open loop demodulation circuit in pulse position modulation
12716289047Dynamic regulation of power consumption of a high-speed communication system
12726285718Adaptive noise canceller
12736285709Error filtering in a hybrid equalizer system
12746278747Method and apparatus for performing digital detection of data stored on an optical medium
12756278744System for controlling and shaping the spectrum and redundancy of signal-point limited transmission
12766278386Method of inhibiting copying of digital data by encoding decryption date within alternative channel bit selections
12776275526Serial data communication between integrated circuits
12786272173Efficient fir filter for high-speed communication
12796272171Robbed bit signaling identification in a PCM modem
12806269127Serial line synchronization method and apparatus
12816268808High speed data modification system and method
12826266382Technique for detecting and treating robbed bit signaling in data communications
12836266376System and method for adjusting PCM data frames for robbed bit signaling in a telephone network
12846263465Error detection and correction in systems receiving NRZ signals from transmission of RZ signals
12856259745Integrated Gigabit Ethernet transmitter architecture
12866259743Automatic constellation phase recovery in blind start-up of a dual mode CAP-QAM receiver
12876259742Methods and apparatus for optimizing shell mapping techniques using an approximated power cost function
12886256353Method and apparatus for generating a probing signal for a system having non-linear network and codec distortion
12896255967Frame-based spectral shaping method and apparatus
12906253345System and method for trellis decoding in a multi-pair transceiver system
12916252911Trellis shaping for PCM modems
12926252904High-speed decoder for a multi-pair gigabit transceiver
12936252903Blind start-up of a dual mode CAP-QAM receiver
12946249558Method for transmitting digital data impulses
12956249544System and method for high-speed decoding and ISI compensation in a multi-pair transceiver system
12966246724Signal transfer method
12976246718Method and apparatus for decoding a bit sequence for transmission over pots wiring
12986243426Apparatus and method for slew rate control of MLT-3 transmitter using zero drive
12996243425Adaptive precoding system and method for equalizing communication signal
13006240107Self-configuring universal communication device for interfacing communication signals having different properties with repeaterless two-wire telephone link
13016236686Data processing equipment and method
13026236677Modem operating with central office clock
13036233718Avoiding forbidden data patterns in coded audio data
13046233291Method and apparatus for performing data sorting in a decoder
13056233284High speed communications system for analog subscriber connections
13066233275High speed communications system for analog subscriber connections
13076233225Line coding mismatch detection technique
13086232895Method and apparatus for encoding/decoding n-bit data into 2n-bit codewords
13096229845Bus driver with data dependent drive strength control logic
13106226334Methods and apparatus for implementing shell mapping techniques in the context of a PCM-based modem communication system
13116226332Multi-pair transceiver decoder system with low computation slicer
13126225924Transmission coding method and device
13136223132Circuit arrangement having a sensor and an evaluation circuit
13146222890Variable spectral shaping method for PCM modems
13156219380Pulse position modulation based transceiver architecture with fast acquisition slot-locked-loop
13166215826Method of coding signal for digital optical communication having spectrum which attains zero level at prescribed frequency
13176215821Communication system using an intersource coding technique
131862122635 volts single power supply ADSL analog front end design
13196212247Method and apparatus for generating a programmable synchronization signal for a data communication system
13206212230Method and apparatus for pulse position modulation
13216212119Dynamic register with low clock rate testing capability
13226208697Channel code converter capable of decreasing DC component and channel coding system therefor
13236205182Encoding a clock signal and a data signal into a single signal for distribution in a signal forwarding device
13246201842Device and method for detecting PCM upstream digital impairments in a communication network
13256201836Method and apparatus for combining a Trellis coding scheme with a pre-coding scheme for data signals
13266201831Demodulator for a multi-pair gigabit transceiver
13276198777Feher keying (KF) modualtion and transceivers including clock shaping processors
13286198776Device and method for precoding data signals for PCM transmission
13296198559Automatic delay compensation for generating NRZ signals from RZ signals in communications networks
13306195397Signal transmission and reception device for new wiring system
13316195385HTU-C clocking from a single source
13326195384Method and apparatus compensating for effects of digital loss insertion in signal transmission between modems
13336194978Interrupt modulation method and apparatus
13346192093Enhanced CIMT coding system and method with automatic word alignment for simplex operation
13356192087Method and apparatus for spectral shaping in signal-point limited transmission systems
13366188337Low disparity coding method for digital data
13376185261Determination of transmitter distortion
13386185252Process for decoding a digital signal and a bus system and a peripheral unit therefor
13396185250Training of level learning modems
13406185249Translation table design for a PCM modem
13416184807Glitch-free bi-phased encoder
13426181752Device and method for detecting PCM upstream digital impairments in a communication network
13436181737Distinguishing received A-law and .mu.-law signals in a PCM modem
13446178200Constellation design for a PCM modem
13456175601Infra-red data processing circuit
13466173018Multi level comparator for demodulator
13476173015Device and method for precoding data signals for PCM transmission
13486169769Method and apparatus for bias suppression in a VCO based FM transmission system

2000

13496163570Methods and apparatus for verifying transmit power levels in a signal point limited transmission system
13506160791Transmission system for the transmission of power control information in an OFDM system
13516157678Probabilistic trellis/coded modulation with PCM-derived constellations
13526154724Energy based pulse position detector for telephone wire networks
13536151364Codec supporting PCM modem communications over a universal digital loop carrier
13546151149Method and apparatus for pulse pattern modulation
13556148040Precoded gaussian minimum shift keying carrier tracking loop
13566148038Circuit for detecting and decoding phase encoded digital serial data
13576148022NRZ and biphase-L formatted quadriphase modulated GPS transmission method
13586147963Communications system for driving pairs of twisted pair links
13596147719Pulse position modulation protocol
13606144853Method and apparatus for digital cordless telephony
13616144291Bit encoding in home control systems
13626141403Modem protocol
13636140841High speed interface apparatus
13646137844Digital filter for noise and error removal in transmitted analog signals
13656137839Variable scaling of 16-bit fixed point fast fourier forward and inverse transforms to improve precision for implementation of discrete multitone for asymmetric digital subscriber loops
13666137831Method and apparatus for reducing receiver imposed distortion
13676134275Method for transmitting data between a terminal and a portable data carrier over a wireless electromagnetic transmission link
13686128354Data detection pre-amplifier circuit
13696128112Weighted-sum processing method and apparatus for decoding digital signals
13706122010Television signal data transmission system
13716118813Technique for effectively treating robbed bit signaling in data communcations
13726118567Efficient encoding and detection method and device for binary intensity modulated optical data signals
13736115415Mapper for high data rate signalling
13746115411System and method for spread spectrum code position modulation and wireless local area network employing the same
13756111870Method and apparatus for compressing and transmitting high speed data
13766111680Transmitting a signal using duty cycle modulation
13776108390Method of and apparatus for encoding of output symbol size
13786104730System, method and article of manufacture for high bit rate access over robbed bit trunks
13796097322Device and method for controlling the sampling of a signal conveying binary information coded according to a two-phase code
13806094452Timing recovery in a network-synchronized modem
13816088369Line coding technique for efficient transmission and delineation of encapsulated frames over high speed data links
13826088334System and method for determining end-to-end characteristics of a data communication channel
13836084934Natural throttling of data transfer across asynchronous boundaries
13846084883Efficient data transmission over digital telephone networks using multiple modulus conversion
13856081567Method and apparatus for synchronizing a data communication system to a periodic digital impairment
13866081555Methods and apparatus for implementing shell mapping techniques in the context of a PCM-based modem communications system
13876075816Windowing technique for blind equalization
13886072825Noncooperative feedback system and method for a compensation system associated with transmitter or codec
13896072410Coding/decoding method for high density data recording and reproduction
13906067327Data transmitter and method therefor
139160673264 x 4 dimensional block modulation code for a PAM-5 constellation
13926066982Phase locked loop apparatus for pulse signal demodulation
13936065030Method and apparatus for implementing short-word division techniques in a multiple modulus conversion context
13946064705Manchester encoding and decoding system
13956064697Pulse modulating method, pulse modulating equipment and pulse demodulating equipment
13966055283Data detection circuit
13976055268Multimode digital modem
13986054944Data transmission method and device using 8-10 bit conversion and successive plus and minus running disparity synchronous data words
13996052412Codec supporting PCM modem communications over a universal digital loop carrier
14006052390Data code block transmission using preselected control signals and delimiters
14016049571Encoding circuit with a function of zero continuous-suppression in a data transmission system
14026049514Equipment for transmitting data and method of the same
14036047022Apparatus and method for transmission of high speed data over communication channels
14046044421Communication system using a transmitted delimiting signal for indicating breaks in a data signal and when consecutive bits in the data signal are of equal level
14056044107Method for interoperability of a T1E1.4 compliant ADSL modem and a simpler modem
14066041074Spread spectrum pulse position modulation system
14076038251Direct equalization method
14086034991Method and apparatus for implementing enhanced multiple modulus conversion techniques in a signal point mapping context
14096026127Autozero technique for a phase locked loop system
14106026126Method and apparatus for reducing a ripple signal in an output of a direct current power supply
14116026124Transition-controlled digital encoding and signal transmission system
14126025946Transmission device and transmission method
14136023493Method and apparatus for synchronizing a data communication system to a periodic digital impairment
14146021167Fast equalizer training and frame synchronization algorithms for discrete multi-tone (DMT) system
14156021163Inter-unit digital signal transmitting method, digital signal transmitter and receiver equipment, digital signal transmitter, and digital signal receiver
14166021158Hybrid wireless wire-line network integration and management

1999

14176009132System and method for obtaining clock recovery from a received data signal
14186009121Method and device for generating signal constellations in PCM space for high speed data communications
14196008744Processing unit
14206006150Communications device for control device
14216002722Multimode digital modem
14226002713PCM modem equalizer with adaptive compensation for robbed bit signalling
14235999571Transition-controlled digital encoding and signal transmission system
14245999563Rate negotiation for variable-rate digital subscriber line signaling
14255999542Use of modified line encoding and low signal-to-noise ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link
14265999109Frame-based spectral shaping method and apparatus
14275995560Path storage element of a vector decoder
14285995555Precoded waveshaping transmitter for a twisted pair which eliminates the need for a filter
14295995548Signaling method using multiple modulus shell mapping
14305994953Apparatus and method for detecting digital FM
14315991336System and method for optimizing high speed data transmission
14325991278Asymmetric modem communications system and method
14335987073Symbol timing recovery network for a carrierless amplitude phase (CAP) signal
14345987066Digital data transmitting method
14355987061Modem initialization process for line code and rate selection in DSL data communication
14365982816Digital communication system using packet assembling/disassembling and eight-to-fourteen bit encoding/decoding
14375977865Bit encoding in home control systems
14385977822Method and apparatus of pulse position demodulation
14395974464System for high speed serial video signal transmission using DC-balanced coding
14405974368Remote vehicle data interface tag system
14415974088Digital data slicer
14425970100System for controlling and shaping the spectrum and redundancy of signal-point limited transmission
14435970089Method and apparatus for generating a probing signal for a system having non-linear network and codec distortion
14445970088Reverse channel next cancellation for MDSL modem pool
14455969631Method and control system for the synchronized transmission of digital data
14465963608Clock extractor for high speed, variable data rate communication system
14475963598Symbol decoder
14485963595Method and apparatus for encoding and decoding a bit sequence for transmission over POTS wiring
14495953376Probabilistic trellis coded modulation with PCM-derived constellations
14505953374Bandpass spectral shaping of data signals
14515949819Method and apparatus for training linear equalizers in a PCM modem
14525946355Serial-digital receiver
14535943365Device, system, and method for modem communication utilizing DC or near-DC signal suppression
14545940440Generalized multimodulus technique for blind equalization
14555940403Quarter-rate 2B1Q ISDN architecture with embedded differential delay compensation for extending range of DDS communications
14565933040Method and apparatus for a data detection circuit operating from a low voltage power source
14575930309Receiver signal processing system for cap signals
14585930300Cooperative feedback system and method for a compensation system associated with a transmitter or codec
14595926505Device, system, and method for modem communication utilizing two-step mapping
14605926301Method and apparatus for optical wireless communication
14615923701Spread spectrum pulse position modulation system
14625917858Digital transmission system with symbol encoding which maximizes the signal amplitude-to-noise ratio
14635914982Method and apparatus for training linear equalizers in a PCM modem
14645912928High speed serial data transmission encoder
14655912869Recording medium data transmission method and apparatus and data reproduction method and apparatus
14665912563Trinary signal apparatus and method
14675910970MDSL host interface requirement specification
14685905759Data decoding circuit, voltage-controlled oscillation circuit, data decoding system and electronic equipment
14695905406Demodulator for a pulse width modulated signal and method
14705903607Method and device for encoding and transmitting bidirectional data from a master circuit to a slave circuit
14715903231System for encoding base N data using a multi-level coding scheme
14725892800Data detection circuit having a pre-amplifier circuit
14735892797System and method for recovering data encoded using manchester code and other bi-phase level codes
14745892466Coding scheme for transmitting data
14755889820SPDIF-AES/EBU digital audio data recovery
14765887027Method of upstream channel modeling for PCM modem
14775878061Providing serial data clock signal transitions with parity bits
14785875229System and device for, and method of, detecting, characterizing, and mitigating deterministic distortion in a communications network
14795872813Dual differential and binary data receiver arrangement
14805862184Mapper for high data rate transmission through channels subject to robbed bit signalling
14815862180Differential encoding of self-clocking data streams
14825862179Mapper for high data rate signalling
14835862005Synchronous detection of wide bi-phase coded servo information for disk drive
14845859872High speed communications system for analog subscriber connections
14855859871Transmitting digital signals
14865856980Baseband encoding method and apparatus for increasing the transmission rate over a communication medium

1998

14875854810Apparatus and methods for use in transmitting and relieving a digital signal and a record carrier obtained by a transmitted apparatus or method
14885852634Data coding system
14895844942Pulse position modulation communications protocol
14905844507Rate 16/17 ENDEC with independent high/low byte decoding
14915838749Method and apparatus for extracting an embedded clock from a digital data signal
14925838724Spectral and power shaping mapper for high data rate signalling
14935838667Time division duplexed high speed data transmission system and method
14945835731Technique for improving the blind convergence of a two-filter adaptive equalizer
14955835538High speed communications system for analog subscriber connections
14965835498System and method for sending multiple data signals over a serial link
14975835036Method of encoding data for transmission
14985831561System and method for dynamically optimizing a symbol table and modem employing the same
14995828754Method of inhibiting copying of digital data
15005828696Timing recovery in a network-synchronized modem
15015828676Method and apparatus for robust communication based upon angular modulation
15025825824DC-balanced and transition-controlled encoding method and apparatus
15035825823PCM channel diagnosis
15045825816Spectral and power shaping mapper for high data rate signalling
15055825812Suppressed side lobe direct-sequence-spread-spectrum radio communication method and device
15065822371Mapper for high data rate signalling
15075818879Device, system and method for spectrally shaping transmitted data signals
15085818878Method and apparatus for decoding a diphase-coded digital signal
150958183625B4T coding scheme
15105815673Method and apparatus for reducing latency time on an interface by overlapping transmitted packets
15115815085Storage and retrieval machine having improved real-time responsiveness and improved noise immunity
15125812602System and device for, and method of, communicating according to a trellis code of baseband signals chosen from a fixed set of baseband signal points
15135812598Hearing assist system employing time variant modulation transmission to hearing aid
15145812594Method and apparatus for implementing carrierless amplitude/phase encoding in a network
15155809341Circuit for transmitting received character when detection signal is not activated and transmitting substitute character when the detection signal is activated
15165809075High speed communications system for analog subscriber connections
15175809074Technique for improving the blind convergence of an adaptive equalizer using a transition algorithm
15185809033Use of modified line encoding and low signal-to-noise ratio based signal processing to extend range of digital data transmission over repeaterless two-wire telephone link
15195805632Bit rate doubler for serial data transmission or storage
15205805087Encoding scheme
15215801695High speed communications system for analog subscriber connections
15225799045PLL-mode radiofrequency module
15235799013Methods and devices for enhancing communications that use spread spectrum technology by using variable power techniques
15245796781Data receiver having bias restoration
15255796716Method and apparatus for simultaneous voice/data transmission
15265793809Transparent technique for Mu-law modems to detect an all-digital circuit connection
15275793807Multimodulus blind eqalization using piecewise linear contours
15285784573Multi-protocol local area network controller
15295784409Encoding data
15305784405Noncooperative feedback system and method for a compensation system associated with a transmitter or CODEC
15315784387Method for detecting start-of-frame, end of frame and idle words in a data stream
15325781130M-ary (d,k) runlength limited coding for multi-level data
15335778031Decoding circuit for bi-phase BPSK signal having a high noise immunity
15345774791Low power wireless communication system employing magnetic control zones
15355765097Shared hybrid fiber-coax network having reduced ingress noise in the upstream channel transmitted via a repeater
15365764166Signal binary coding circuit and digital signal processing apparatus
15375761465System for coupling asynchronous data path to field check circuit of synchronous data path when the asynchronous data path communicating data in synchronous format
15385761209Method of transmitting digital signals, transmitter and receiver used therefor
15395760717Method and circuit arrangement for the generation of a channel-coded binary signal
15405757858Dual-mode digital FM communication system
15415757849Timing recovery in a network-synchronized modem
15425754594Cooperative feedback system and method for a compensation system associated with a transmitter or codec
15435754587Method and apparatus for bias suppression in a VCO based FM transmission system
15445751775Transmission circuit of a line encoded signal on a telephone line
15455748722Collective-house control system employing an interface circuit for alternative mark inversion control communication
15465740201Dual differential and binary data transmission arrangement
15475740186Apparatus and method for error correction based on transmission code violations and parity
15485734682Method for increasing transmission rate
15495734341Encoding digital data
15505734329Method and apparatus for superimposing self-clocking multifunctional communications on a static digital signal line
15515729370Method for upgrading a communications network
15525724393Method and apparatus compensating for effects of digital loss insertion in signal transmissions between modems
15535717395Rate 16/17 ENDEC with independent high/low byte decoding
15545712875Asynchronous differential communication
15555712871Method and apparatus for implementing a direct-sequence code division multiple access communication system with an M-ary pulse-position modulated spreading-sequence signal
15565710790Communication arrangement with improved echo and noise suppression in a channel containing quantization
15575706115Optical wireless communication method and apparatus

1997

15585696793Phase difference detection circuit for extended partial-response class-4 signaling system
15595694441Phase synchronizing apparatus, decoder and semiconductor integrated circuit device
15605694231Weighted-sum processing method and apparatus for decoding optical signals
15615692127System for transmitting multiple pulses PPM control signal to wireless device to indicate collision in a wired network while placing data on the network
15625692021Encoding digital data
15635691665PPM demodulation device
15645689529Communications method and apparatus for digital information
15655687193Manchester coder/decoder
15665687176Zero byte substitution method and apparatus for telecommunications equipment
15675686869Pulse-width modulating device
15685684833Mutual conversion method of binary data and multilevel signal, its communication method, and its receiving device
15695684479Communication device performing code conversion between binary data and serial data
15705682153Adjust bit determining circuit
15715680394Time division duplexed high speed data transmission system and method
15725671251Apparatus and method for a data communications device to selectively operate as an analog modem, as a digital modem, and as a terminal adapter
15735670901Effective signal detection circuit device of serial transmission apparatus using bi-phase code
15745663985Communication apparatus and method in a field bus system
15755661760Wide biphase digital servo information detection, and estimation for disk drive using servo Viterbi detector
15765659579Multilevel coding for fractional bits
15775657145Modulation and coding for transmission using fluorescent tubes
15785655078Apparatus and method for encoding data in a fiber data distributed interface (FDDI)
15795651033Inter-system data communication channel comprised of parallel electrical conductors that simulates the performance of a bit serial optical communications link
15805651029Apparatus for transmitting an output with predetermined frequency response to an unshielded twisted-pair media and waveform shaping circuit and method employed therein
15815644601Method and apparatus for bias suppression in a VCO based FM transmission system
15825644569Transmission of messages
15835644286Power bus digital communication system
15845640422Digital communications modulation method and apparatus
15855638064Digital modulating/demodulating method and apparatus using same
15865636248Method and system for regenerating amplitude and timing characteristics of an analog signal
15875633892Hybrid line coding method and apparatus using 4B/3T encoding for payload bits and 1B/1T encoding for framing information
15885633631Binary-to-ternary encoder
15895631928Enhanced B3ZS decoder and method for identifying true zero-substitutions
15905625644DC balanced 4B/8B binary block code for digital data communications
15915623517Transmission system with improved decoding of a block code
15925623477Optical recording disk capable of resynchronization in digital encoding and decoding
15935621758PWM Communication system
15945617450Digital subscriber loop interface unit
15955615297Transmission system for coded speech signals and/or voiceband data
15965615229Short range inductively coupled communication system employing time variant modulation
15975615228Apparatus and method to decode a pulse width modulated serial data stream
15985614901Method and apparatus for providing data stream for cost effective transmission links
15995612694Encoding data
16005610947IR FM modem with flash modulation
16015608755Method and apparatus for implementing carrierless amplitude/phase encoding in a network
16025608397Method and apparatus for generating DC-free sequences
16035606317Bandwidth efficiency MBNB coding and decoding method and apparatus
16045604918Two-line mixed analog/digital bus system and a master station and a slave station for use in such system
16055602873Flash NRZI infrared modem
16065598442Self-timed parallel inter-system data communication channel
16075598406High speed data transfer over twisted pair cabling
16085596603Device for wireless transmission of digital data, in particular of audio data, by infrared light in headphones
16095592559Speaker driving circuit
16105592487Communication protocol for transferring information across a serial communication link
16115592322Laser beam modulation apparatus
16125592160Method and apparatus for transmission code decoding and encoding

1996

16135583872High speed data transfer over twisted pair cabling
16145577069Signalling method and structure suitable for out-of-band information transfer in communication network
16155572555Serial code format optimized for remote control applications over noisy communications channel
16165570393Digital audio signal demodulator
16175570388Method and apparatus using simple codes for the wireless transmission of non-data symbols
16185570089Method and apparatus for providing data stream for cost effective transmission links
16195568516Very low power cordless headset system
16205568474Ping-pong communication method and apparatus
16215559835Method and apparatus for encoding data for transfer over a communication channel
16225557633Integrated multi-port repeater having shared resources
16235550878Phase comparator
16245550865Frequency modulator for data transceiver
16255550864Bit rate-insensitive mechanism for transmitting integrated clock and data signals over digital communication link
16265550836High speed data transfer over twisted pair cabling
16275546428Differentially encoding quadrature phase shift keying modulation method and apparatus thereof
16285546427Method and apparatus for digital code resynchronization in data encoding/decoding
16295541604Transponders, Interrogators, systems and methods for elimination of interrogator synchronization requirement
16305539761Resonant tunneling oscillators
16315539666Data communications method and system coupling device
16325533056Data encoder/decoder for data transceiver
16335533054Multi-level data transmitter
16345528679Automatic detection of digital call paths in a telephone system
16355528636Data synchronization device
16365528625High speed quantization-level-sampling modem with equalization arrangement
16375525983Method and apparatus for implementing a type 8B6T encoder and decoder
16385517533Parallel implementation of run length coding apparatus and method
16395517528Modulation method and apparatus for digital communications
16405510919Optical system for transmitting a multilevel signal
16415510786CMI encoder circuit
16425508748Data level selection for multilevel VSB transmission system
16435508701Data conversion method and recording and reproduction apparatus
16445506581Modulating method, modulating device and demodulating device
16455504781Process for the recovery of data transmitted over a transmission path for digital data streams using decoding by cross-correlation of a data sequence coded by cyclic shifting and inversion
16465504761Apparatus for detecting error in a communications line
16475504479Carrierless amplitude and phase modulation telementry for use in electric wireline well logging
16485502744Data coding system
16495499247Multiplex transmission system having plurality of nodes and common transmission line and using divided data areas
16505493583Wireless data transceiver
16515493571Apparatus and method for digital communications with improved delimiter detection
16525491713Minimized oversampling Manchester decoder
16535483530System and method for communicating with digital and analog devices via a single digital interface

1995

16545475705Demodulator for Manchester-coded FM signals
16555467369AUI to twisted pair loopback
16565461582Filter for 2B1Q signals
16575461379Digital coding technique which avoids loss of synchronization
16585459765Phase comparator for biphase coded signal including preamble with code violation
16595459753Method and apparatus for pattern independent phase detection and timing recovery
16605459751Demodulation circuit of communication control system
16615459607Synchronous optical digital transmission system and method
16625453989Subscriber digital transmission system
16635450443Method and apparatus for constructing asymptotically optimal second order DC-free channel codes
16645446765Apparatus for recovering data and clock information from an encoded serial data stream
16655446757Code-division-multiple-access-system based on M-ary pulse-position modulated direct-sequence
16665444737Wireless data transceiver
16675438621DC-free line code and bit and frame synchronization for arbitrary data transmission
16685438571High speed data transfer over twisted pair cabling
16695436897Multiplex wiring system using varying duration pulse width modulation
16705430762Expandable repeater
16715430733Digital transmission system for multiplexing and demultiplexing signals
16725428642Power Amplifier
16735426671Transmission system comprising receiver with improved timing means
16745426644Parallel code transmission method and apparatus of the same
16755422760Disk drive method using zoned data recording and PRML sampling data detection with digital adaptive equalization
16765420583Fiber optic channel extender interface method and apparatus
16775418822Configuration for clock recovery
16785418820Automatic polarity detection and correction method and apparatus employing linkpulses
16795411536Method and apparatus for communicating data between medical devices to improve detectability of errors
16805410569Data slicing system for HDTV receiver
16815410309Method and system for communicating data
16825408498Serial-signal transmission apparatus
16835408351Optical communication system
16845406584Time shift keying digital communications system
16855406583Modem with received signals and transmitted signals comprising signal sets
16865400360Repeater for a digital control system
16875398258Wireless communication system
16885396519Method and apparatus for adaptively providing precoding and preemphasis conditioning to signal data for transfer over a communication channel
16895396503Method and system for communicating data
16905396239Data and forward error control coding techniques for digital signals
16915394440High speed modem systems incorporating distribution preserving Tomlinson encoding and decoding for secondary channels
16925394438Data transmitting method
16935394437High-speed modem synchronized to a remote CODEC
16945394410Differentially coded and guard pulse position modulation for communication networks
16955390041Fiber optic channel extender interface method and apparatus
16965387911Method and apparatus for transmitting and receiving both 8B/10B code and 10B/12B code in a switchable 8B/10B transmitter and receiver
16975386311Clock recovery
16985384808Method and apparatus for transmitting NRZ data signals across an isolation barrier disposed in an interface between adjacent devices on a bus
16995381359Adaptation and training of digital finite impulse response filter within PRML sampling data detection channel

1994

17005375145Multi-mode gain control loop for PRML class IV sampling data detection channel
17015374927Bit-serial decoder for a specially encoded bit stream
17025373534Serial data receiving apparatus
17035369669Data transmission system for synchronously transmitting an auxiliary bitstream within a main bitstream
17045363405Vehicle communications network transceiver, bus driver therefor
17055357525Multiplex transmission system
17065353309ISDN transmitter
17075353114Opto-electronic interferometic logic
17085350411Pacemaker telemetry system
17095349585Method for transmitting two digital signals which are independent of one another
17105345342Disk drive using PRML synchronous sampling data detection and asynchronous detection of embedded sector servo
17115343500Non-linear encoder and decoder for information transmission through non-linear channels
17125341387Viterbi detector having adjustable detection thresholds for PRML class IV sampling data detection
17135341249Disk drive using PRML class IV sampling data detection with digital adaptive equalization
17145331668Communication control device
17155331320Coding method and apparatus using quaternary codes
17165327465Method and apparatus for squelch circuit in network communication
17175321559Asynchronous peak detection of information embedded within PRML class IV sampling data detection channel
17185315590Selectable repeater port reconnection method and apparatus
17195311559Apparatus for correcting waveform distortion
17205311508Apparatus for receiving and decoding a serial data packet containing the status of a network of single point I/O devices
172153049968B/10B encoder providing one of pair of noncomplementary, opposite disparity codes responsive to running disparity and selected commands
17225303265Frequency independent encoding technique and apparatus for digital communications
17235301187System for implementing broadband audio program telephony circuits using 2B1Q technology
17245297869Apparatus and method for synchronizing a digital data clock in a receiver with a digital data clock in a transmitter
17255297163Method for processing signals for signal transmission in the base band
17265295158Dynamically selectable multimode pluse width modulation system
172752931655B6B coding rule inverse conversion circuit for digital transmission
17285291520Methods and apparatus employing distribution preserving Tomlinson precoding in transmission of digital data signals
17295291499Method and apparatus for reduced-complexity viterbi-type sequence detectors
17305285459HDB3 code violation detector
17315283576Disparity detection circuit for a 2-bit to 4-bit coded signal decoder
17325280500Method and apparatus for multilevel encoding for a local area network
17335278992Method and apparatus for controlling transmission power of a remote unit communicating with a base unit over a common frequency channel
17345278902Method and apparatus for transition direction coding
17355278868Receiver for quadraphase modulation signals
17365276716Bi-phase decoder phase-lock loop in CMOS
17375276708Coding method for reducing the D.C. component in the data stream of a digital signal

1993

17385274674Method of controlling a threshold decoder for a signal having several levels and being affected by echoes, and television receiver provided with such a decoder
17395274673Optical bus transmission method and transmitting-side encoder and receiving-side decoder therefor
17405274490Optical transmitter, optical receiver and optical transmission apparatus and control method of optical receiver
17415267300High speed digital data transmission over switched voice network
17425267269System and method employing predetermined waveforms for transmit equalization
17435267244Method and an apparatus for establishing the functional capabilities for wireless communications between a base unit and a remote unit
17445267231Digital communication channel interface
17455265127Non-linear encoder and decoder for information transmission through non-linear channels
17465265124Integrated multi-port repeater having shared resources
17475265123Expandable repeater
17485265105Decoding circuit for inhibiting error propagation
17495263049Method and apparatus for CMOS differential drive having a rapid turn off
17505260971Apparatus and methods employing distribution preserving tomlinson precoding in transmission of digital data signals
17515259003Method of encoding two digital data signals
17525258995Wireless communication system
17535257287Automatic polarity detection and correction method and apparatus employing linkpulses
17545255287Transceiver apparatus and methods
17555255086Method and apparatus for RF data transfer in a CATV system
17565253274Means to differentiate between commands and data on a communications link
17575251324Method and apparatus for generating and collecting viewing statistics for remote terminals in a cable television system
17585249201Transmission of multiple carrier signals in a nonlinear system
17595249179Echo canceller system suitable for a 2B1Q transmission code
17605248969Phase comparing and CMI/NRZ decoding apparatus
17615247702Method and an apparatus for establishing a wireless communication link between a base unit and a remote unit
17625245339Flexible encoding method and architecture for high speed data transmission and storage
17635243630Method of and arrangement for generating a clock signal from a biphase modulated digital signal
17645243628Encoding method and code processing circuitry
17655243626Method for clocks synchronization for receiving pulse position encoded signals
17665243625Receiver for multivalued digital signals
17675243337Process and device for optimizing signal transmission rates on multifunctional well cables
17685241961Synchronous telemetry receiver and receiving method for an implantable medical device
17695235617Transmission media driving system
17705224126Phase ambiguity resolution for manchester-encoded data
17715222105Opto-electronic interface for decoding wave division multiplexed manchester gray coded binary signals
17725220582Optical bus transmission method and transmitting-side encoder and receiving-side decoder therefor
17735214526Pulse modulated infrared data communications link
17745212808Method and an apparatus for re-establishing wireless communication between a base unit and a remote unit
17755208839Symbol synchronizer for sampled signals
17765208833Multi-level symbol synchronizer
17775202678Recognition unit
17785200980Digital bi phase data recovery system
17795200979High speed telecommunication system using a novel line code
17805198813Digital recording system with (8,16,2,5) run length limited (RLL) code
17815195110Clock recovery and decoder circuit for a CMI-encoded signal
17825191330Binary for penternary (five-level) encoding system
17835187720Synchronous serial communication circuit
17845185766Apparatus and method for decoding biphase-coded data
17855177482RLL encoder and decoder with pipelined plural byte processing

1992

17865175544Digitally controlled bit synchronizer
17875175507Method of and device for demodulating biphase modulated signal
17885173926Convolutionally-encoded quadrature frequency-modulation system
17895170396Data valid detector circuit for Manchester encoded data
17905168511Manchester data recorder with synchronously adjustable clock
17915166956Data transmission system and apparatus providing multi-level differential signal transmission
17925164960Medium attachment unit for use with twisted pair local area network
17935163067Method and apparatus for decoding Manchester encoded data
17945162791Collision detection using code rule violations of the Manchester code
17955161151System and method for controlling multiplex communications between master station and slave stations
17965160929System for parallel communication of binary data via trinary transmission lines
17975151698Method for the coding of a digital signal, coder and decoder to implement this method, regeneration method and corresponding regenerator utilizing pulse position modulation
17985150359Multiplexed synchronous/asynchronous data bus
17995144469Method for the transmission of data between two stations by means of optical waveguides
18005144305Transmission arrangement comprising a block code encoded main channel and an auxiliary channel
18015144304Data and forward error control coding techniques for digital signals
18025140611Pulse width modulated self-clocking and self-synchronizing data transmission and method for a telephonic communication network switching system
18035137022Synchronous telemetry system and method for an implantable medical device
18045134632Decoding binary-coded transmissions
18055127023Retiming decoder/encoder
18065124991Error correction for infrared data communication
18075124979Digital data transmission device for a composite transmission signal comprising a main data and a subdata signal
18085119402Method and apparatus for transmission of local area network signals over unshielded twisted pairs
18095119380Zero string error detection circuit
18105115450High speed digital to analog to digital communication system
18115113186Apparatus for converting an alternate mark inversion signal to unipolar signals with frequency dependent amplification
18125109391Unbalanced transmitter and receiver
18135107263NRZ to CMI (II) encoding circuit
18145101198Method and device for the transmission of data between stations of a communications network, in particular for motor vehicles
18155099497Polarity detector for subscriber lines
18165095484Phase invariant rate 8/10 matched spectral null code for PRML
18175093843Digital communicationn system using partial response and bipolar coding techniques
18185086436Coded transmission system with initializing code

1991

18195070516Method and apparatus for reducing noise on a signal encodable on a plurality of predetermined levels
18205067114Correlation for combinational coded telemetry
18215063575Apparatus and method for proper byte alignment in an encoder/decoder
18225058131Transmitting high-bandwidth signals on coaxial cable
18235058129Two-wire digital transmission loop
18245056114Method and apparatus for decoding Manchester encoded data
18255050194High speed asynchronous data interface
18265050190Signal detection circuit not affected by minute voltage fluctuations contained in input signal and operation method therefor
18275050189Multibit amplitude and phase modulation transceiver for LAN
18285050167Timing extraction in multiplexed multichannel high speed fiber optic transmission system
18295048062Transmitting commands over a serial link
18305042051Apparatus for transmitting and receiving Manchester coded digital data for IEEE 802.3 Ethernet/Cheapernet type local area network
18315040193Receiver and digital phase-locked loop for burst mode data recovery
18325034967Metastable-free digital synchronizer with low phase error
18335025454Pulse to zero digital (PZ) modulation
18345025443Digital data over voice communication
18355025256Data transmission code
18365023950Optical transmitter, optical receiver and optical transmission apparatus and control method of optical receiver
18375023887Data transmission system using spread spectrum communication
18385021681Jiter-invariant switched capacitor pulse shaper
18395014270Device for synchronizing a pseudo-binary signal with a regenerated clock signal having phase jumps
18405012240Parallel to serial converter with complementary bit insertion for disparity reduction
18415007067Diversity coding for transparent self-healing communications networks
18424992790Digital phase-locked loop biphase demodulating method and apparatus
18434987573Telephone system digital channel bank interface

1990

18444979185High speed serial data link
18454975916Character snychronization
18464967389Bit density controller
18474953160Digital data over voice communication
18484943965Digital signal decoding method and circuit therefor
18494933672Data transmission system with a digital alarm facility
18504930127Method and device for transmitting a digital engineering service channel by means of the parity channel of a digital bit stream transmitted in a code with parity checking
18514928289Apparatus and method for binary data transmission
18524926169Coder-decoder for purged extended golay (22,7) codes
18534924492Method and apparatus for wideband transmission of digital signals between, for example, a telephone central office and customer premises
18544912725Adaptive equalizer included in the receiver for a data transmission system
18554910750Data transmission system
18564910628Terminal unit in information transmission system
18574908827Forward error correction system
18584908804Combinatorial coded telemetry in MWD
18594905257Manchester decoder using gated delay line oscillator
18604905255Decision directed gain control
18614901344Telephone system digital channel bank interface
18624899114Voltage source amplifier for use in a pseudoternary code transmitter
18634897854Alternate pulse inversion encoding scheme for serial data transmission
18644896335Digital 2B1Q transmitter with high precision and linearity time domain response

1989

18654890299Fast timing acquisition for partial-response signalling
18664888791Clock decoder and data bit transition detector for fiber optic work station
18674888775Trellis codes for partial response channels
18684887083Bipolar with eight-zeros substitution and bipolar with six-zeros substitution coding circuit
18694884074Method and apparatus for encoding and decoding binary information
18704882726Full duplex modem system for differing data bit rates
18714881059Manchester code receiver
18724876695Digital data transmission system having additional bits for auxiliary data
18734873524Decoding unit for CMI-encoded signals
18744870414Even mark modulation coding method
18754868831Zero byte time slot interchange (ZBTSI) encoder
18764868569Biphase digital look-ahead demodulating method and apparatus
18774864303Encoder/decoder system and methodology utilizing conservative coding with block delimiters, for serial communication
18784862480Digital data service system
18794860286Encoding method in transmission of plurality of oversampled data channels, and apparatus for carrying out the method
18804860235Arithmetic unit with alternate mark inversion (AMI) coding
18814859815Serial link transparent mode disparity control
18824853943Manchester code clock and data recovery system
18834853931Violating All Zero Octet (VAZO) detector for a zero byte time slot interchange (ZBTSI) encoder
18844852103Code error detecting circuit
18854847831Bidirectional repeater for manchester encoded data signals
18864841301Device operable like an automatic level control circuit for decoding a multivalued signal
18874837782CMI decoder
18884837779Communicator and communication method and system
18894831635Trellis codes with spectral nulls
18904829541Pseudo-ternary code transmitter
18914821286Quaternary signal regenerator
18924817115Encoding and decoding system for electronic data communication system
18934814637Pulse shaper
18944811361Method and apparatus for transmission of digital data
18954809303Dynamic speed shifter for fiber optic work station
18964809301Detection apparatus for bi-phase signals
18974808970Decoding device for CMI code
18984807260Non high frequency clock dependent Manchester biphasic decoder and comparator
18994806907Apparatus and method for digital data transmission
19004802190Method of transmitting information by means of code signals, information transmission system for carrying out the method, and transmitting and receiving apparatus for use in the transmission system
19014797904Transmitter for ISDN S-bus interface circuit

1988

19024794627Process for the parallel-series code conversion of a parallel digital train and a device for the transmission of digitized video signals using such a process
19034794604Optimal error correction method for zero byte time slot interchange (ZBTSI) clear channel data transmission
19044788694Trellis coding with substrates
19054787093Combinatorial coded telemetry
19064786882Quadriphase phase modulation system
19074785466Encoder/decoder circuit for B8ZS and B6ZS applications
19084783786CMI signal transmission system
19094779073Apparatus for 3B-2T code conversion
19104777453Quadrature amplitude modulator using switched capacitor filter
19114775984Synchronous digital cable transmission system
19124773084Synchronizing pattern
19134771440Data modulation interface
19144771400Bit density controller
19154764918Telecommunication switching system
19164763338Synchronous signal decoder
19174761635Method of coding digital information organized in frames using a CMI code, a device for implementing this method and application to servitude information for a high capacity digital network
19184759040Digital synchronizing circuit
19194757499Method for zero byte time slot interchange
19204755988Data communications switching device having multiple switches operating at plural selectable data rates
19214750179Selective prevention of bipolar violation detection
19224748637Digital subscriber loop termination device
19234747112Decoding method for T1 line format for CCITT 32K bit per second ADPCM clear channel transmission and 64 KBPS clear channel transmission
19244747098Zero byte address linked list
19254745601Digital service unit with secondary channel diagnostics
19264744082Multiplexer apparatus having nBmB coder
19274740994Method and circuit for suppressing sequential "zeroes" data
19284736464Method for the additional transmission of information via a digital auxiliary channel, in an optical transmission system
19294731820Data transmission system of key telephone system
19304730265Split-phase matched filter using single comparator
19314727540Apparatus for remote signalling on a digital transmission link

1987

19324712217System for transmitting digital information and maintaining a minimum paulse density
19334712210Signal conversion circuit for interconnecting coaxial cable and a twisted pair
19344709378Arrangement for generating a clock signal
19354709227Method and device for inserting a digital signal in a channel with higher flow rate
19364704721Real time network system
19374703471Monolithically integrated electro-optical multiplexer/demultiplexer
19384701938Data system
19394701912Device for transmitting packets in an asynchronous time-division network, and method of encoding silences
19404700357Synchronizing stage for the acquisition of a synchronizing signal having low jitter from a biternary data sequence
19414698809Method and apparatus for the channelized serial transmission of redundantly encoded binary data
19424697265Error monitor circuit
19434694504Synchronous, asynchronous, and data rate transparent fiber optic communications link
19444688226Code error overlaying in digital transmission signals
19454686528Method of encoding and decoding data signals
19464682334Synchronous data transmission method and device implementing same
19474681111Analog and digital telemetry system for an implantable device
19484679252Fiber optic receiver having a method and an apparatus for data clock extraction
19494679191Variable bandwidth switching system
19504677644Method and apparatus for remote signalling by substituting a message for the data conveyed by a digital transmission link
19514677319Electrical circuit for interfacing high frequency signals to the logic levels of any logic family having a switching voltage at the mean of the "0" and "1" voltages
19524672632Optimized communications system and method employing channel synthesis and phase lock detection
19534665517Method of coding to minimize delay at a communication node
19544663767Optical data bus having a statistical access method
19554661965Timing recovery circuit for manchester coded data
19564656661Switched capacitor coupled line receiver circuit
19574651329Digital decode logic for converting successive binary zero pulses having opposite polarity to a stream of data pulses
19584651328Arrangement for supervising a CMI-code converter
19594651134Switched capacitor coupled line receiver circuit
19604649550Telemetry scheme with slope modulated signal
19614644563Data transmission method and system
19624644546Method of digital signal transmission
19634642810Repetitive sequence data transmission system
19644637037Biphase signal receiver

1986

19654631695Detector of predetermined patterns of encoded data signals
19664628309System and device for remote surveillance of equipment on a digital transmission link without interrupting traffic
19674627079Method and apparatus for acquiring and tracking a communications signal
19684627073Binary data transmission method
19694620311Method of transmitting information, encoding device for use in the method, and decoding device for use in the method
19704618941Apparatus and method for generating filtered multilevel data from NRZ data
19714617677Data signal reading device
19724616314Microcomputer controlled data receiver
19734606053Bi-phase decoder
19744606042Method for digital transmission of messages
19754605921Digital word-framing technique and system
19764603322High-speed sequential serial Manchester decoder
19774599736Wide band constant duty cycle pulse train processing circuit
19784599735Timing recovery circuit for synchronous data transmission using combination of L Bi phase and modified biphase codes
19794597077Integrated voice/data/control switching system
19804596023Balanced biphase transmitter using reduced amplitude of longer pulses
19814592072Decoder for self-clocking serial data communications
19824592033Apparatus for improving the data transmission rate in a telemetry system
19834584719Fiber optic workstation datalink interface
19844584693QPSK system with one cycle per Baud period
19854584691Timed pulse communication system
19864584690Alternate Mark Invert (AMI) transceiver with switchable detection and digital precompensation
19874581750Transmission system for the transmission of binary data symbols
19884578799Method and apparatus for recovering data and clock information from a self-clocking data stream
19894577331Multiple rate baseband transmitter
19904574382Variable length character code system
19914573169Communication system for bi-phase transmission of data and having sinusoidal low pass frequency response
19924573034Method of encoding n-bit information words into m-bit code words, apparatus for carrying out said method, method of decoding m-bit code words into n-bit information words, and apparatus for carrying out said method
19934571735Method of multi-level encoding including synchronizing signals
19944571589Biomedical implant with high speed, low power two-way telemetry
19954567604Biphase signal receiver
19964567601Three-to-two level digital signal conversions and vice versa

1985

19974562422CMI Decoder
19984561118Bus system with optical waveguides having collision detection
19994556983Method and apparatus for pre-emphasis counteraction of variations in amplitude of received or reproduced serial binary signals
20004556869Multi-function data signal processing method and apparatus
20014556868CMI Decoder
20024554529Method for converting binary data train
20034553249Method and circuit arrangement for converting a binary signal, alternating between two levels, to a pulse code signal which comprises data pulses and renewal pulses
20044550403Method for transmitting a HDBn code signal with an auxiliary binary signal in a digital transmission line and system for monitoring repeaters in the line by means of auxiliary signals
20054545077Electro-optical data bus
20064544962Method and apparatus for processing binary data
20074542517Digital serial interface with encode logic for transmission
20084542420Manchester decoder
20094539691Method and apparatus for encoding a binary digital information signal
20104539680Chip to chip information bit transmission process and device
20114535443Terminal arrangement for a duplex transmission system
20124534037Method and apparatus for scrambled pulse-code modulation transmission or recording
20134531153Method and apparatus for encoding and decoding a binary digital information signal
20144530088Group coding system for serial data transmission
20154528550Method and apparatus for code conversion of binary of multilevel signals
20164525848Manchester decoder
20174524462System for jointly transmitting high-frequency and low-frequency digital signals over a fiber-optical carrier
20184523192Data processing network
20194521766Code generator
20204520480Digital transmission system
20214520346Method and apparatus for encoding an NRZI digital signal with low DC component
20224514820Apparatus for generating trapezoidal signals over a single conductor coaxial bus
20234514732Technique for increasing battery life in remote control transmitters
20244513427Data and clock recovery system for data communication controller
20254509164Microprocessor based digital to digital converting dataset
20264507794Filtered Manchester Coded PSK transmission system
20274506252Ternary data encoding system
20284503546Pulse signal transmission system
20294503472Bipolar time modulated encoder/decoder system
20304502143Consecutive identical digit suppression system in a digital communication system
20314501000Method of coding binary data
20324500871Method for coding binary data and a device decoding coded data
20334499454Method and apparatus for encoding a digital signal with a low DC component
20344498082Method and apparatus for locating a discontinuity in a data transmission ring
20354497068Encoding system for optic data link
20364497060Self-clocking binary receiver
20374493114Optical non-line-of-sight covert, secure high data communication system
20384493092Interface circuit for digital signal transmission system

1984

20394490712Information transcoding process and a transmission system using such a process
20404486740DC Cancellation in ternary-coded data systems
20414486739Byte oriented DC balanced (0,4) 8B/10B partitioned block transmission code
20424485478Digital burst signal transmission system
20434484338Data transmission systems
20444475212Frequency-independent, self-clocking encoding technique and apparatus for digital communications
20454473820Signal decoder for converting a co-directional 64 kbit/s interface signal into a binary information signal, a 64 KHZ clock and an 8 KHZ clock
20464472711Method and apparatus for synchronizing a station connected in a data line
20474472686Circuit for reproducing and demodulating modulated digital signals
20484468791Method and facility for decoding a biphase-code and application of the method
20494468787Ternary data transmission system
20504464765Burst signal transmission system
20514464714System for transmitting digital information, coding arrangement for use in that system, decoding arrangement for use in that system and record carrier for use in that system
20524462052Device for interrogating and correcting a serial data signal
20534461012Transmitter and receiver for transmitting digital signals
20544459591Remote-control operating system and method for selectively addressing code-addressable receivers, particularly to execute switching function in automotive vehicles
20554457004Multidimensional channel coding
20564450572Interface for serial data communications link
20574449247Local orderwire facility for fiber optic communication system
20584449119Self-clocking serial decoder
20594442528Pulse communication method and system using CMI to 3-level CMI conversion
20604437086Limited look-ahead means
20614429384Communication system having an information bus and circuits therefor
20624425647IR Remote control system

1983

20634423506Wire data transmission system
20644417349SCA Data transmission system with a raised cosine filter
20654417320Interface for data communication systems using serial biphase data transmissions
20664414659Method and apparatus for encoding digital data so as to reduce the D.C. and low frequency content of the signal
20674410980Time division multiplexing system
20684410878Digital signal transmission
20694410877Method of coding data bits on a recording medium, arrangement for putting the method into effect and recording medium having an information structure
20704408325Transmitting additional signals using violations of a redundant code used for transmitting digital signals
20714408307Optical transmission of digital seismic data
20724408189Method and apparatus for code conversion of binary to multilevel signals
20734403330Regenerative repeater for multi-stage digital signals
20744397042Optical modulation/demodulation system
20754394641Method and device for coding binary data and a device decoding coded data
20764393501Line protocol for communication system
20774390963Interface adapter architecture
20784389636Encoding/decoding syncronization technique
20794388726System for the ultra-high frequency transmission of numerical data
20804387460Supplementary information transmitting arrangement for a digital data transmission system
20814387366Code converter for polarity-insensitive transmission systems
20824387364Method and apparatus for reducing DC components in a digital information signal
20834380761Digital phase decoder with collision detection
20844380080Tri-level differential line receiver
20854377006IR Remote control system
20864373154Data encoding and/or decoding
20874373152Binary to one out of four converter
20884369516Self-clocking data transmission system

1982

20894363002Clock recovery apparatus for phase shift keyed encoded data
20904361876Microcomputer with logic for selectively disabling serial communications
20914361817Bi-phase modulator/demodulator
20924358852Method of modulation and demodulation of data and apparatus for carrying out the same
20934355423Translator system for converting unipolar fiber optic signals to bipolar signals utilizing Manchester coding
20944355397Full duplex communication system for voice grade channels
20954353129Digital data transmission system
20964350973Receiver apparatus for converting optically encoded binary data to electrical signals
20974348659Method and apparatus for encoding a digital signal to have minimal DC component
20984347617Asynchronous transmission system for binary-coded information
20994346452NRZ/Biphase microcomputer serial communication logic
21004346353Modulator and demodulator circuits for modified delay modulation method
21014344041Biphase detector
21024339724Filter
21034337457Method for the serial transmission of binary data and devices for its implementation
21044330862Signal characteristic state detector using interval-count processing method
21054327441Method and apparatus for synchronizing and calibrating a receiver to a pulse width modulation transmitter
21064327249Direct current telegraphy systems
21074325053Method and a circuit for decoding a C.M.I. encoded binary signal
21084317235System for transmitting optical binary data signals through an optical fiber with pilot pulses inserted between two wide spaced successions of data signals
21094317207Data transmission system
21104313203Transmission system for the transmission of binary data symbols
21114313103Digital demodulator
21124312073Spectrum converter for analog signals
21134309694Zero disparity coding system

1981

21144308613Simplex, party-line electromagnetic data packet transmission system with a self seeking alternate routing capability
21154307468Data transmission systems
21164302845Phase-encoded data signal demodulator
21174293947Information handling system
21184292626Manchester decoder
21194292593Method of demodulating a quadphase coded data signal and receiver for carrying out the method
21204287596Data recovery system for use with a high speed serial link between two subsystems in a data processing system
21214284843Repeating station for use in digital data communications link
21224283789Data transmission method and devices for practicing said method
21234282601Three level data transmission system having means for seeking a constant average value for the transmitted signals
21244282512Data communication system
21254281291Arrangement for detecting the binary values of bit cells having center transitions subject to phase distortion
21264280221Digital data communication system
21274276656Apparatus and method for replacement of a parallel, computer-to-peripheral wire link with a serial optical link
21284276649Receiver for digital signals in line code
21294276640Noise tolerant multiplex system
21304271526Three-level, self-clocked data transmission system
21314267595AMI Decoder apparatus
21324264973Circuitry for transmitting clock information with pulse signals and for recovering such clock information
21334255742Data communication code
21344254501High impedance, Manchester (3 state) to TTL (2 wire, 2 state) transceiver for tapped bus transmission systems
21354253185Method of transmitting binary information using 3 signals per time slot
21364244052Receiver word alignment for digital transmission systems using a redundant ternary line code
21374244051Data communication method and apparatus therefor

1980

21384239934Means and an apparatus for synchronizing an orthogonal diphase code receiver
21394237496Device for coding/decoding data for a medium
21404236253Monostable multivibrator for use in pulse count demodulator or the like
21414234897DC Free encoding for data transmission
21424232388Method and means for encoding and decoding digital data
21434232387Data-transmission system using binary split-phase code
21444231023Binary to ternary converter
21454230903Data transmission system
21464227250Minimization of excess bandwidth in pulse amplitude modulated data transmission
21474227184Modified Miller Code encoder
21484227181Peripheral station in an information handling system
21494222116Digital logic for separating data and clock in Manchester-encoded data
21504220816Digital duplex transmission system
21514219890Digital signal regulation system
21524218770Delay modulation data transmission system
21534216426Self-clocked data transmission system having automatic signal reversing means
21544215245Variable rate synchronous digital transmission system
21554211929Fiber-optical system for transmitting multilevel signals
21564201942Data conversion system
21574201909Data-transmission system and method using fiber-optical transmission
21584201884Digital data transmission system
21594190741Method and device for receiving an interface signal
21604189621CMI-encoder
21614188620Phase decoder
21624188581Signalling system
21634185273Data rate adaptive control device for Manchester code decoders
21644181919Adaptive synchronizing circuit for decoding phase-encoded data

1979

21654178549Recognition of a received signal as being from a particular transmitter
21664167760Bi-phase decoder apparatus and method
21674156106Multiplex-data bus modulator/demodulator
21684153814Transition coding method for synchronous binary information and encoder and decoder employing the method
21694152582Compaction/expansion logic
21704150404Device for transferring digital information
21714142065Method for bit-synchronous transmission of data
21724141010Digital encoder for door operator

1978

21734127878Magnetic tape recorder/reproducer for ratio recording with synchronized internal and external clock rates
21744122441Error detection and indication system for bi-phase encoded digital data
21754122300Data transmission system and application thereof to the transmission of analog signals and of data in a network with delta modulation
21764121195Error detection in digital systems
21774121118Bipolar signal generating apparatus
21784118791Multi-level encoding system
21794117277Arrangement for simultaneous two-way data transmission over two-wire circuits
21804114141Digital communication system for transmitting digital information between a central station and a number of remote stations
21814112383Miller-encoded message decoder
21824103238Transmitter modulated with three modulation patterns
21834101734Binary to multistate bus driver, receiver and method
21844100541High speed manchester encoder
21854092596Data transmission and reception system
21864092595Data transmission system for transmitting primary and secondary intelligence
21874092492Clockless serial data transfer
21884090242Method and means for evaluating phase encoded communication systems
21894088832Split phase code synchronizer and demodulator
21904087642Digital data communication system
21914085288Phase locked loop decoder
21924084069Encoding and driving means for use in a three-level digital data communication system
21934083010Receiving means for use in a digital data communication system
21944083005Three-level serial digital data communication system
21954080572Receiver and method for synchronizing and detecting coded waveforms
21964074074Time division digital transmission system
21974071692Data transmission systems

1977

21984065796Digital data decoder
21994063235Non-return to zero mark to non-return to zero level code converter
22004063220Multipoint data communication system with collision detection
22014063040High speed multiplexer and demultiplexer for pulse code channels
22024052558Data transmission system
22034051539Differential duration demultiplexing method and system
22044047107Pulse width responsive security system
22054042783Method and apparatus for byte and frame synchronization on a loop system coupling a CPU channel to bulk storage devices
22064038652Digital communications line terminal compacter/expander
22074034236Device for forming a bipolar signal of 50% duty cycle
22084031506Multiplexer commutated high pass filter
22094028535Apparatus and method for generating a data code with a spectral null
22104027335DC free encoding for data transmission system
22114027267Method of decoding data content of F2F and phase shift encoded data streams
22124027243Message generator for a controlled radio transmitter and receiver
22134027152Apparatus and method for transmitting binary-coded information
22144023140Seismic data telemetering system
22154022973Apparatus for indicating synchronization and out-of-synchronization conditions
22164020282High density data processing system
22174017803Data recovery system resistant to frequency deviations
22184014002Data acquisition and transfer system
22194011405Digital data transmission systems
22204007382Bipolar signal processing circuit
22214003041System for converting binary signals into shorter balanced ternary code signals
22224001811Method and apparatus for coding and decoding digital information

1976

22233991611Digital telemetering system for subsurface instrumentation
22243988676Coding and decoding system with multi-level format
22253982195Method and apparatus for decoding diphase signals
22263980825System for the transmission of split-phase Manchester coded bivalent information signals
22273980824Modulator demodulator for binary digitally encoded messages
22283979746High-speed Manchester code demodulator
22293967062Method and apparatus for encoding data and clock information in a self-clocking data stream
22303967061Method and apparatus for recovering data and clock information in a self-clocking data stream
22313965294Method of and apparatus for testing transmission line carrying bipolar PCM signals
22323962647Biphase waveform generator using shift registers
22333961203Signal correlator
22343953673Digital data signalling systems and apparatus therefor
22353947767Multilevel data transmission system
22363944926Timing technique for NRZ data signals
22373940694Apparatus and method for reducing multiplicative gain variation distortions in data recording and transmission channels
22383938082Receiver for bi-polar coded data with bit time interval detection used as the data validation discriminant
22393937881Method of and system for transcoding binary signals with reduced changeover rate
22403932705PSK telemetering synchronization and demodulation apparatus including an ambiguity eliminating device
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017