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2017

19608691Fiber-optic node with forward data content driven power consumption
29608587Systems and methods to dynamically calibrate and adjust gains in a direct conversion receiver
39608576Apparatus and methods for power amplifier bias circuits
49602317Apparatus and method for combining currents from passive equalizer in sense amplifier
59602315Method and apparatus for passive continuous-time linear equalization with continuous-time baseline wander correction
69602207Soft decoding of data in a coherent optical receiver
79602153Radio receiving apparatus for receiving frequency-modulated radio signal
89591540Data caching in a communication network
99584166System and method for null filling of IQ waveform
109584154System and method for digital signaling
119571311Adaptive cyclic offset cancellation for the receiver front-end of high-speed serial links
129565041Adaptive equalization using correlation of edge samples with data patterns
139559809Method and device for predicting the performance of a system for communication over a transmission channel
149553743Two-dimensional (2D) decision feedback equalizer (DFE) slicer within communication systems

2016

159531843Channel coding optimized for low-latency data
169531577Bit-likelihood calculating apparatus and bit-likelihood calculating method
179509362Method and apparatus for handling modified constellation mapping using a soft demapper
189503296FM receiver and FM receiving method for receiving FM signal
199503203Wireless interference cancellation
209497051Configurable receiver
219491023Soft metrics compressing method
229491013Device and method for removing direct current offset using randomized control pulse
239491008On-chip AC coupled receiver with real-time linear baseline-wander compensation
249490944Phase sector based RF signal acquisition
259490905Apparatus, method and computer program operable to determine estimates
269485576Control of a loudspeaker output
279485120Method and apparatus for signal detection and baseline wander cancellation
289473332Methods and devices for communications systems using multiplied rate transmission
299473229High-throughput beamforming MIMO receiver for millimeter wave communication and method
309467315Circuit and method for performing adaptation on all receiver branches
319451607Method for transmitting and receiving downlink control information
329444661DC offset tracking of wireless receivers
339444660Simplified and effective offset calibration circuit for RxLOS in serdes
349444601Method and device to determine when to perform hybrid automatic repeat request (HARQ) combination
359438462Soft bit un-uniform quantization method, apparatus, computer program and storage medium
369438449Data sampling method and system, and application method and system thereof in parameter identification
379438377LLR computation device and error correction decoding device
389438188Common-gate amplifier for high-speed DC-coupling communications
399437070Solar lighting with pay-as-you go technology
409432898Unscheduled messages
419432223Method of widely linear turbo-equalization in a multi-user context and for a multi-channel multi-antenna receiver
429426003Proximity integrated circuit card bias adjustment
439419829Apparatus, system and method of direct current (DC) estimation of a wireless communication packet
449413569Adaptive detector threshold compensation in binary frame based communication systems
459413568Method and apparatus for calibrating an input interface
469413497Bit error pattern analyzer and method
479413473System, method and computer storage medium for calibrating RF transceiver
489413398Circuits and methods related to power detectors for radio-frequency applications
499407477Method and apparatus for correlation canceller for interference mitigation with adaptive DC offset cancellation
509407476Apparatus and method for power amplification
519407473Partial response receiver
529405616Reliability metric for decoding hypothesis
539402102System and method for using television schedule information
549401831Apparatus and method for removing DC offset in wireless communication system
559397870Signal receiving device for measuring characteristic of wireless communication channel, and method of measuring characteristic of wireless communication channel
569391739Efficient demapping of constellations
579385695Offset calibration for low power and high performance receiver
589374754Synchronization mechanism
599374753Static terminals
609369316Digital demodulation method and system
619362995Transmitter apparatus, receiver apparatus, communication system, communication method, and integrated circuit
629362962Methods and systems for energy-efficient communications interface
639355716Memory channel detector systems and methods
649351215Terminal handover
659350579Method and apparatus for determining threshold for symbol detection
669350457Power-efficient maximum likelihood decoding for 5 bits per dual-pol-symbol modulation
679344305PVT tolerant differential circuit
689344301Acquisition device with multistage digital equalization
699325537SerDes PVT detection and closed loop adaptation
709325395Channel processing with dedicated pilots utilizing information from broadcast pilots
719319255Transmitter, signal-synthesizing circuit, and signal-synthesizing method
729319182Near maximum likelihood spatial multiplexing receiver
739313061Wireless communication system using selective mapping for memory-less demodulation and related methods
749313059Data-modulated pilots for phase and gain detectors
759313057Target signal determination method and associated apparatus
769313055Transmitter linearization
779312987Collision detection using a multiple symbol noncoherent soft output detector
789312968Computing system with power estimation mechanism and method of operation thereof
799300497Phase detector
809288087Data receiver circuit and method of adaptively controlling equalization coefficients using the same
819288083Enhanced lattice reduction systems and methods
829287909High speed signaling system with adaptive transmit pre-emphasis
839276703Impulse and/or burst noise signal to noise ratio (SNR) aware concatenated forward error correction (FEC)
849276568Reference voltage generator for single-ended communication systems
859270507Stacked comparator topology for multi-level signaling
869270502Digital RF receiver
879264282Polar receiver signal processing apparatus and methods
889258157Method and system for mapping bit sequences
899253009High performance station
909252997Data link power reduction technique using bipolar pulse amplitude modulation
919252984Bus communication transceiver
929246724Method and apparatus for performing soft demapping in rotated quadrature amplitude modulation (QAM) based communication system
939246719High dynamic range radio architecture with enhanced image rejection
949246569Mobile telecommunication system using soft-information dequantizer
959240912Transceiver circuitry with summation node common mode droop reduction
969240864Blind CRS detection
979237045System and method for internal AC coupling with active DC restore and adjustable high-pass filter for a PAM 2/4 receiver
989231797Dynamic threshold detector
999231523Modulating device and modulation method

2015

1009225560Data rate programming using source degenerated CTLE
1019225425System and method for dual speed passive optical networks
1029215617DC offset compensation
1039215114Double-sampling receiver with dynamic offset modulation for optical and electrical signaling
1049210025Method and apparatus for correcting in-phase signal and quadrature-phase signal
1059203680Forward error correction decoder input computation in multi-carrier communications system
1069197401Multi-band receiver
1079191242Differential signal detecting device
1089191089Control channel information transmission method, and base station and terminal using the same method
1099191064Pilot tone for amplifier bias point
1109184954Systems and methods for directed soft data perturbation in layered decoding
1119184953Programmable signal processing circuit and method of demodulating via a demapping instruction
1129178579Wireless device and wireless communication method
1139178563Voltage regulator for a serializer/deserializer communication application
1149178529Multi-stage noise shaping analog-to-digital converter
1159172500Signal demodulation method and device
1169172416Simplified high frequency tuner and tuning method
1179172415Method and apparatus for adaptively setting threshold for signal demodulation
1189167531Method and apparatus for switching between low-power, single-chain listen and multiple-chain demodulation
1199166841Receiving apparatus and receiving method
1209166839Systems and methods for reducing effects of local oscillator leakage
1219166838Reference voltage generation and calibration for single-ended signaling
1229165599Method for correcting DC characteristics in a magnetic recording system
1239160588Radio receiver and frequency correcting method therefor
1249160583Method and equipment for controlling radio-frequency signal
1259160491Receiving apparatus and receiving method
1269160390Method and system for impairment shifting
1279151783Ground offset monitor and compensator
1289148310Apparatus and method for adaptively estimating channel in orthogonal frequency division multiplexing (OFDM) system
1299148253System and method for user equipment cooperation
1309148186Highly linear receiver front-end with thermal and phase noise cancellation
1319143372Communication system with receiver optimization mechanism and method of operation thereof
1329143370DC correction for accurate detection of pulses
1339143200Apparatus and method of receiver architecture and low-complexity decoder for line-coded and amplitude-modulated signal
1349137798Wireless transmission device and wireless transmission method
1359136904High bandwidth equalizer and limiting amplifier
1369130815Method, receiver, transmitter and communication system for phase error compensation
1379130582Systems and methods for correcting an offset at an output of a digital to analog converter
1389124467Receiver gain adjustment to reducing an influence of a DC offset
1399119187Communication system, transmitting device, receiving device, and processor
1409118865Receiving device, receiving method, program, and receiving system
1419118523Signal receiving apparatus and signal receiving method
1429118519Reception of inter-symbol-correlated signals using symbol-by-symbol soft-output demodulator
1439112745Receiver with variable gain control transimpedance amplifier
1449112560Control channel information transmission method, and base station and terminal using the same method
1459112515Geographic locating remote endpoint monitor device, system, and methodology thereof
1469106472Channel state information (CSI) estimation and applications for in-band on-channel radio receivers
1479106453Remote radio head unit system with wideband power amplifier and method
1489100229Method of calibrating a slicer in a receiver or the like
1499094248Wireless system with hybrid automatic retransmission request in interference-limited communications
1509094022Geographic locating remote endpoint monitor device, system, and methodology thereof
1519088468Double conversion dual-carrier radio frequency receiver
1529088456Antenna selection scheme based on information bits
1539083175Protection circuit
1549077585Fully integrated DC offset compensation servo feedback loop
1559065715OFDM communication system with fast frequency hops
1569065609Blind mechanism for estimation and correction of I/Q impairments
1579065538Transmission-reception device
1589060338Method and apparatus for switching between low-power, single-chain listen and multiple-chain demodulation
1599059881Hexagonal constellations and decoding same in digital communication systems
1609054916Configurable receiver
1619054914Transmitting device, receiving device, circuit device, communication method and program
1629054906Adaptive equalization using correlation of edge samples with data patterns
1639049072Method for DC offset removal in OFDM systems
1649025706Receiver with adaptive filter and gain control
1659020012Oversampled receiver for transition encoded signaling
1669008228Post-distortion filter for reducing sensitivity to receiver nonlinearities
1678964902Method and apparatus for eliminating direct current offset
1688964901Analog/digital co-design methodology to achieve high linearity and low power dissipation in a radio frequency (RF) receiver
1698948687System and method for determining and controlling gain margin in an RF repeater
1708948610Data signal threshold detection and/or recovery in optical and/or optoelectric receivers and/or transceivers
1718948313Method and apparatus for adjusting a symbol decision threshold at a receiver in a communication network
1728934577Bias current control for a radio frequency unit of a wireless network interface

2014

1738923443Wireless receiver
1748923442Reference voltage generation in a single-ended receiver
1758917800DC balance offset adjustable circuit and semiconductor device including the same
1768901996Configurable system for cancellation of the mean value of a modulated signal
1778901984Direct current offset correction circuit
1788897396Pulse receiver and method for receiving burst signal
1798891686Data signal detection in optical and/or optoelectronic receivers and/or transceivers
1808891685Reference voltage generator for single-ended communication systems
1818861641Wireless communication device and wireless communication method
1828831143DC offset cancellation in direct conversion receivers
1838811537Signal receiving apparatus and method for wireless communication system using multiple antennas
1848792590Communications device with in-phase/quadrature (I/Q) DC offset, gain and phase imbalance compensation and related method
1858787503Frequency mixer with compensated DC offset correction to reduce linearity degradation
1868787502Capacitive isolated voltage domains
1878730609DC shift detection and correction
1888687669Automatic gain control and DC offset compensation
1898675777Programmable if frequency filter for enabling a compromise between DC offset rejection and image rejection
1908638883DC offset cancellation in direct conversion receivers
1918625721Broadcast receiving apparatus and broadcast receiving method

2013

1928619915Receiver
1938611467DC offset correction techniques
1948582692Systems and methods for calibrating digital baseband DC offset in an OFDM receiver
1958565351Channel impulse response (CIR)/DC offset (DCO) joint estimation block and method
1968559559Method and apparatus for compensating DC offsets in communication systems
1978559558Reference voltage generator for single-ended communication systems
1988554333Adaptable communication sensitivity for an implantable medical device
1998532225DC compensation for VLIF signals
2008526541Method and apparatus for compensating for DC offset in a communication system
2018472563Signal processing apparatus, signal processing method and storage system
2028442155Procedure for the removal of the DC component inherent in any radio frequency chain
2038437430Remote transmit IQ imbalance calibration and correction at multicarrier receivers
2048437429Data processing apparatus and data processing system including the same
2058428191DC offset suppression circuit for a complex filter
2068428186Decision directed DC offset removal
2078411804Digital demodulation of pulse-width modulated signals
2088396167DC compensation
2098385456Wireless radio frequency signal transceiving system
2108369454Data receiving apparatus and data receiving method

2012

2118311155Electronic tuner and high frequency receiving device using the same
2128300733Post-distortion filter for reducing sensitivity to receiver nonlinearities
2138300732DC offset removal using digital feedback
2148270537Antenna device, demodulating device and receiving device
2158270536Method and device for adapting a threshold value of a detection device
2168265199Receiving circuit
2178259858Carrier detect system, apparatus and method thereof
2188249447Systems and methods for optical receiver decision threshold optimization
2198238477Data slicer with multi-mode threshold generator
2208218686Circuit and method for DC offset compensation
2218208592Receiver
2228204154DC offset calibration
2238194766Constant false alarm rate robust adaptive detection using the fast fourier transform
2248189707DC offset correction of a radio frequency receiver used with a continuous transmission radio frequency signal
2258175192Method and system for determining and removing DC offset in communication signals
2268170147Apparatus for cancelling DC offset and method thereof
2278160164Wireless communication unit and method for channel estimation
2288149955Single ended multiband feedback linearized RF amplifier and mixer with DC-offset and IM2 suppression feedback loop
2298149954Baseline wander compensation for perpendicular recording
2308149952Multi-mode receiver
2318144813Receiving method and receiving circuit
2328126087DC offset correction circuit for canceling a DC offset in a real time and a receiving system having the same
2338126085Method and apparatus to estimate channel tap
2348111784On-chip data signal eye monitoring circuitry and methods
2358107573Method and apparatus for baseline wander compensation in Ethernet application
2368098768Compensation of ethernet transmit baseline wander
2378094752Ultra-wideband signal amplifier

2011

2388059757Signal processing device and method
2398050573Optical burst receiver and method
2408036316Method and system for independent I and Q loop amplitude control for quadrature generators
2418036301Radio transmitter with reduced power consumption
2428031811Dynamic DC offset canceling apparatus and dynamic DC offset canceling method
2438019019DC balance compensation for AC-coupled circuits
2448005168Communication apparatus using chaotic signal and method thereof
2457983347Multiple differential transmission system including signal transmitter and signal receiver connected via three signal lines
2467978788Method and arrangement for estimating DC offset
2477974366Low-latency baseline-wander compensation systems and methods
2487965795Prevention of integrator wind-up in PI type controllers
2497961817AC coupling circuit integrated with receiver with hybrid stable common-mode voltage generation and baseline wander compensation
2507912151Post-distortion filter for reducing sensitivity to receiver nonlinearities
2517903761UWB radio interface with DC offset
2527894546Replica linearized power amplifier
2537873123Null detector and method thereof
2547864890Signal processing apparatus, signal processing method and storage system
2557864889Method and system for establishing an adaptable offset for a receiver

2010

2567839956Method and apparatus for DC offset compensation in a digital communication system
2577835466Baseline wander compensation for perpendicular recording
2587809087Power detection techniques and discrete gain state selection for wireless networking
2597778358Receiver, wireless device and method for cancelling a DC offset component
2607769110Threshold adjust system and method
2617756220Circuit and method for baseline wandering compensation
2627746959Method and system for generating reference voltages for signal receivers
2637711071Setting the slice level in a binary signal
2647706473Comparative signal strength detection
2657702288Digital baseband system and process for compensating for analog radio transmitter impairments
2667702037Method and apparatus for estimating DC offset in an orthogonal frequency division multiplexing system
2677697635Method and apparatus for controlling the decision point of a receiver for digital communication signals
2687684519Method and system for adjusting DC offset slice point in an RF receiver
2697684518Logic threshold acquisition circuits and methods using reversed peak detectors
2707680216Adaptive thresholds for high speed downlink shared control channel (HS-SCCH) (part I) detection schemes
2717643576Data-signal-recovery circuit, data-signal-characterizing circuit, and related integrated circuits, systems, and methods

2009

2727634027Method and system for independent I and Q loop amplitude control for quadrature generators
2737623593Data receiving apparatus capable of compensating for reduced timing margin caused by inter-symbol interference and method thereof
2747620121DC balance compensation for AC-coupled circuits
2757602861Wireless receiver for removing direct current offset component
2767593485Wireless receiver for removing direct current offset component
2777593484Radio frequency (RF) receiver with double loop integrated fast response automatic gain control (AGC)
2787570715Digital signal receiving circuit
2797570714Data transfer apparatus for low voltage differential signaling
2807567628Symmetric differential slicer
2817526256Transformer-based multi-band RF front-end architecture
2827505532Signal transmission system using PRD method, receiver circuit for use in the signal transmission system, and semiconductor memory device to which the signal transmission system is applied
2837492834Regenerating apparatus, regenerating method, and receiver
2847489741System and method to perform DC compensation on a radio frequency burst in a cellular wireless network
2857489740Receiver with baseline wander compensation

2008

2867466766Processing servo data having DC level shifts
2877466765Receiver for high bitrate binary signals
2887457374DC offset cancellation for WLAN communication devices
2897450665Method and apparatus to implement DC offset correction in a sigma delta converter
2907447263Processing digital data prior to compression
2917426245DC compensation in direct conversion radio receivers
2927379511Method for reducing DC offset error for single ended and differential signals
2937376205Device and method for compensation of transmission line distortion
2947333568Data slicer capable of calibrating current mismatch
2957324609DC offset cancellation in a direct conversion receiver configured for receiving an OFDM signal
2967321637Data slice control device and control method
2977317767DC offset correction in a mobile communication system
2987315586Adaptive searcher threshold setting using consecutive ISCP measurements

2007

2997313187High-speed serial linking device with de-emphasis function and the method thereof
3007308045Binarizing circuit, wireless communication device, and binarizing method
3017277633Receiving error rate control device
3027277499Additive DC component detection included in an input burst signal
3037266160Method for joint DC offset correction and channel coefficient estimation in a receiver
3047248640System and method for providing slicer level adaption
3057233631DC-offset correction circuit having a DC control loop and a DC blocking circuit
3067221717Bluetooth access code assisted initial DC estimation and frame synchronization
3077218688Data slicer
3087218687Receiver with baseline wander correction and correction method thereof
3097218686Decision threshold voltage control circuit and decision threshold voltage controlling method of clock and data recovery circuit, optical receiver, and decision threshold voltage control program
3107215722Device for WLAN baseband processing with DC offset reduction
3117215720Method for compensating baseline wander of a transmission signal and related circuit
3127212587Apparatus for reducing DC offset in a receiver
3137206360Amplitude deviation correction circuit
3147197090Adaptive decision regions and metrics
3157190740Arrangement for dynamic DC offset compensation
3167180949High-speed chip-to-chip communication interface
3177177373Continuous self-calibration of internal analog signals

2006

3187136431DC offset correcting in a direct conversion or very low IF receiver
3197133644Digital baseband system and process for compensating for analog radio transmitter impairments
3207120206Signal DC offset correction method and device
3217103114Modulated radio signal transmitter with self-adapted amplification polarization
3227079595Radio receiver having direct DC offset compensation
3237076003Constellation design for modem receiver
3247061995Apparatus and method to generate an adaptive slicer threshold for binary data
3257054387Feed-forward/feedback system and method for non-causal channel equalization
3267046742System and method for temporal analysis of serial data
3277042961Full rate error detection circuit for use with external circuitry
3287035350Bluetooth access code assisted initial DC estimation and frame synchronization
3296993100Burst detector
3306993091Correction of DC-offset of I/Q modulator

2005

3316968019IF FSK receiver
3326966262Current modulation-based communication from slave device
3336965630Mode Controller for signal acquisition and tracking in an ultra wideband communication system
3346965336Systems and methods of bidirectional communication across an isolation barrier
3356964007Asymmetric error correction apparatus and method, and clock recovering apparatus for optical reading system employing the same
3366963618Enhanced slice prediction feedback
3376961390Systems and methods for non-casual channel equalization in an asymmetrical noise environment
3386959083Loop current monitor circuitry and method for a communication system
3396959058Data recovery apparatus and method for minimizing errors due to clock skew
3406959038High-speed decoder for a multi-pair gigabit transceiver
3416958781Mapping arrangement for digital communication system
3426950479DC offset compensation
3436947498Method and apparatus for performing joint timing recovery of multiple received signals
3446947495Method for estimating and removing a time-varying DC-offset
3456947482System and method for high-speed decoding and ISI compensation in a multi-pair transceiver system
3466944242Apparatus for and method of converting soft symbol information to soft bit information
3476944237Multi-pair transceiver decoder system with low computation slicer
3486937646Leakage nulling receiver correlator structure and method for ultra wide bandwidth communication system
3496937078Circuit configuration for regenerating clock signals
3506934346Apparatus and method for substantially eliminating a near-channel interfering amplitude modulated signal
3516934324Zero value-detecting circuit
3526928106Phy control module for a multi-pair gigabit transceiver
3536928018Dynamic register with low clock rate testing capability
3546927565Dynamic register with IDDQ testing capability
3556922469Separation of ring detection functions across isolation barrier for minimum power
3566922086Method and apparatus for generating an input switching reference
3576920194Method and system for detecting, timing, and correcting impulse noise
3586918069Optimum threshold for FEC transponders
3596910072Method and apparatus for providing media-independent self-help modules within a multimedia communication-center customer interface
3606909852Linear full-rate phase detector and clock and data recovery circuit
3616909082Automatic threshold control device for burst mode optical receiver
3626907235Apparatus and method for canceling DC offset in communications signals
3636907202Burst signal detection circuit
3646906531Adaptive reference voltage method and system
3656904104Technique for demodulating a linear modulated data signal in a communications system
3666898253Method and apparatus for an accurate slicer that can rapidly adjust to an offset
3676895541Method and device for quantizing the input to soft decoders
3686891900Demodulating circuit and optical receiving circuit
3696891406Method and apparatus for supplying a reference voltage for chip-to-chip communication
3706888788Method and arrangement for determining at least one digital signal from an electrical signal
3716882944Threshold setting apparatus for adjustably setting a threshold for use in identifying serial data from a baseband signal
3726882208Adjustment of amplitude and DC offsets in a digital receiver
3736879645Method and apparatus for dynamically varying the noise sensitivity of a receiver
3746879644Method and apparatus for automatically determining a peak voltage level for a data signal propagated on a carrier medium
3756873642Method and device for processing a received signal transmitting coded data
3766868130Transmission mode detector for digital receiver
3776868128Method and apparatus for calibrating DC-offsets in a direct conversion receiver
3786865239Deterministic distortion insensitive adaptive receiver using decision updating
3796865234Pair-swap independent trellis decoder for a multi-pair gigabit transceiver
3806862552Methods, apparatus, and systems employing soft decision decoding
3816856790Receiver with dual D.C. noise cancellation circuits
3826850581Timing circuit
3836842044Glitch-free receivers for bi-directional, simultaneous data bus

2004

3846836127Dual switching reference voltages
3856834088Method and apparatus for calculating bit log-likelihood ratios for QAM signals
3866833743Adjustment of a clock duty cycle
3876831453Determining the magnitude of pulses
3886828828Dynamic control of switching reference voltage
3896826390Receiver, transceiver circuit, signal transmission method, and signal transmission system
3906823483Physical coding sublayer for a multi-pair gigabit transceiver
3916823066Digital access arrangement circuitry and method having current ramping control of the hookswitch
3926823028Digitally controlled automatic gain control system for use in an analog front-end of a receiver
3936823024Compensation circuit and method for compensating for an offset
3946812767High speed source synchronous signaling for interfacing VLSI CMOS circuits to transmission lines
3956807228Dynamic regulation of power consumption of a high-speed communication system
3966804310Decision feedback loop apparatus and method for channel estimation and de-rotation using burst pilot bits
3976804187Signal delay apparatus, leakage signal removing apparatus and information processing apparatus
3986798828Full duplex gigabit-rate transceiver front-end and method operation
3996798254Dynamic control of switching reference voltage
4006795512System for carrier phase tracking of coded symbols using reliability metrics for symbol estimates
4016792055Data communications receiver with automatic control of gain or threshold for soft decision decoding
4026785344Fast threshold determination for packet-multiplexed digital communication
4036782038Method and apparatus for radio communications
4046781905Serial data detection circuit performing same offset adjustment to signal receiver as performed to reference receiver
4056781438Method and device for generating a reference voltage
4066778602Multi-pair gigabit ethernet transceiver
4076771725Multi-pair gigabit ethernet transceiver
4086763227Systems and methods for modulator calibration
4096760551Adaptive decoder for skin effect limited signals
4106757340Radio receiver and method for preloading an average DC-offset into a channel filter
4116757337Coding-assisted MIMO joint detection and decoding
4126754503Method for adaptively selecting a soft symbol for a subsequent operation a communication device
4136754341External resistor and method to minimize power dissipation in DC holding circuitry for a communication system
4146754291Method and device of outputting demodulation result in soft-decision decoding and receiver
4156751578Method and apparatus for evaluating a digital information signal
4166751275Demodulator and radio communication system using the same
4176751272Dynamic adjustment to preserve signal-to-noise ratio in a quadrature detector system
4186738436Fixed and variable data-rate, matched-filter receiver
4196738419Dynamic regulation of power consumption of a high-speed communication system
4206737859Dynamic register with IDDQ testing capability
4216735260Adaptive data slicer
4226731914Determination of transmitter distortion
4236731698Quadrature demodulation circuit capable for canceling offset
4246731691Multi-pair gigabit ethernet transceiver having adaptive disabling of circuit elements
4256725025Interference cancellation among wireless units using Gibbs sampling
4266725024Offset local oscillator frequency
4276721916System and method for trellis decoding in a multi-pair transceiver system
4286718366Method and apparatus for providing media-independent self-help modules within a multimedia communication-center customer interface
4296717995Method for correcting DC offsets in a receiver
4306711393Radio receiver
4316710910Optical amplitude demodulator
4326710811Data processing device
4336707860DC offset correction for direct-conversion receiver
4346707848Demodulator for a multi-pair gigabit transceiver
4356703896Method and demodulator for FSK demodulation, and receiver including such a demodulator device
4366694105Burst mode receiving apparatus having an offset compensating function and a data recovery method thereof
4376690740Methods and apparatus for providing robust synchronization of radio transceivers
4386690225DC offset cancel circuit
4396687314Method and apparatus for performing analog mode operations when receiving data and signaling tones in a wireless TDMA system
4406686861Slice circuit capable of accurate conversion of an analog signal to a digital signal
4416683548Analog isolation system with digital communication across a capacitive barrier
4426680985Adaptive quadrature amplitude modulation decoding system
4436680984Data slicer with digitally-controlled reference
4446674312Differential signal reception device and method for supporting variable threshold levels

2003

4456661858DC restoration circuit for a radio receiver
4466661852Apparatus and method for quadrature tuner error correction
4476661727Dynamic register with low clock rate testing capability
4486661282Demodulation apparatus and method in a communication system employing 16-ary QAM
4496658061Marginable clock-derived reference voltage method and apparatus
4506654593Combined discrete automatic gain control (AGC) and DC estimation
4516654409Direct digital access arrangement circuitry and method for connecting DSL circuitry to phone lines
4526654340Differential OFDM using multiple receiver antennas
4536643336DC offset and bit timing system and method for use with a wireless transceiver
4546639909Receiver having functions for cancelling DC offset and measuring carrier detection threshold value, and control method thereof
4556639438Apparatus and method for communication link having parallel signal detect with hysteresis
4566625772Circuit arrangement and method for minimizing bit errors
4576625232Smart DC offset correction loop
4586621861System to optimize signal detection
4596618436Digital base-band receiver
4606618338Data reproduction control method and apparatus, and optical disk unit
4616617917Caller-ID demodulation apparatus and method using multiple thresholds
4626614781Voice over data telecommunications network architecture
4636611553Isolation system with digital communication across a capacitive barrier
4646611219Oversampling data recovery apparatus and method
4656608999Communication signal receiver and an operating method therefor
4666608871Data slicers
4676606359Area-optimum rapid acquisition cellular multi-protocol digital DC offset correction scheme
4686606357Carrier injecting waveform-based modulation scheme for reducing satellite transponder power requirements and earth terminal antenna size
4696603826Method and receiver for dynamically compensating for interference to a frequency division multiplex signal
4706603824Method for demodulating a carrier wave modulated by a digital symbol sequence
4716594319Apparatus and method for determining the closest coset points in a trellis decoder
4726587560Low voltage circuits powered by the phone line
4736580773Method and device for aligning synchronous digital signals
4746580763Method and apparatus for controlling the decision threshold and sampling instant of a data generator
4756577696Method for data regeneration
4766570513Isolation system with digital communication across a capacitive barrier
4776563892Method and system for detection of binary information in the presence of slowly varying disturbances
4786563333Dynamic register with IDDQ testing capability
4796560447DC offset correction scheme for wireless receivers
4806560278Receiver and an adaptive equalizer method
4816556636Digital communication apparatus having level controller with a disturbance detection unit
4826556635Communications receiver having adaptive dynamic range
4836553081Method and apparatus for removing DC from the output of a precoder in a transmitter of a data communication system
4846539419Method and apparatus for providing media-independent self-help modules within a multimedia communication-center customer interface
4856539066Integrable radio receiver circuit for frequency-modulated digital signals
4866538779Optical signal monitoring method and apparatus
4876535545RF modem utilizing saw resonator and correlator and communications transceiver constructed therefrom
4886529567Electronic apparatus and method for receiving noisy signals
4896529565Circuit for detecting a center error to correct same
4906525568Circuit for the demodulation of the logic signal transmitted by analog channels
4916522745Digital access arrangement circuitry and method having a synthesized ringer impedance for connecting to phone lines
4926522687Data transmitter and receiver of a DS-CDMA communication system
4936519302Method and apparatus for regenerating data
4946516187DC offset correction for direct conversion tuner IC
4956516024Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with low distortion and current limiting
4966513136Communications receiver arrangement
4976513080High speed bus system and method for using voltage and timing oscillating references for signal detection
4986504884Method for correcting DC offsets in a receiver
4996504864Digital access arrangement circuitry and method for connecting to phone lines having a second order DC holding circuit
5006504498Method and apparatus for offset cancellation in a wireless receiver

2002

5016501792Serial digital data communications receiver with improved automatic cable equalizer, AGC system, and DC restorer
5026498825Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with programmable current limiting
5036498805Apparatus and method for estimating channel phase using channel symbol reliability data
5046496552Timing circuit
5056496548Apparatus and method for decoding asynchronous data using derivative calculation
5066496547Digital FM receiver employing combined sample-and-hold and integrate-and-dump detectors for improved bit error rates
5076496124System and method for compensating for codec DC offset through a DC blocking channel and modem incorporating the same
5086493396Phase shift key burst receiver having improved phase resolution and timing and data recovery
5096487261Distortion compensating device
5106487244System and method for transmitting special marker symbol
5116480602Ring-detect interface circuitry and method for a communication system
5126480552Soft output metrics generation for symbol detectors
5136477200Multi-pair gigabit ethernet transceiver
5146477199Dynamic regulation of power consumption of a high-speed communication system
5156469547Offset window detector
5166463109Multiple channel adaptive data recovery system
5176463108Latch-up recovery in quantized feedback DC restorer circuits
5186459746Multi-pair gigabit ethernet transceiver
5196459730Apparatus for, and method of, processing signals transmitted over a local area network
5206456712Separation of ring detection functions across isolation barrier for minimum power
5216456552Dynamic register with low clock rate testing capability
5226449471Wireless terminal device
5236449320Equalization with DC-offset compensation
5246445736GSM baseband receiver arrangement using digital signal processing
5256442383Demodulator and digital wireless communication receiver
5266442271Digital isolation system with low power mode
5276442218Demodulator
5286442213Digital isolation system with hybrid circuit in ADC calibration loop
5296438184Apparatus and method for adjusting an input gain and comparator threshold value within an access identifier interval on a telephone line medium
5306438178Integrated circuit for receiving a data stream
5316433627GTL+one-one/zero-zero detector
5326433608Device and method for correcting the baseline wandering of transmitting signals
5336430606High speed signaling for interfacing VLSI CMOS circuits
5346430229Capacitive isolation system with digital communication and power transfer
5356430214Fading resistant multi-level QAM receiver
5366429717Receiving circuit
5376424684Method and apparatus for receiving synchronous data
5386424630Apparatus and method for calibrating a home networking station receiving network signals on a telephone line medium
5396421394Computer method and apparatus for modem point slicing
5406420962AUTOMATIC IDENTIFICATION LEVEL CONTROL CIRCUIT, IDENTIFICATION LEVEL CONTROL METHOD, AUTOMATIC IDENTIFICATION PHASE CONTROL CIRCUIT, IDENTIFICATION PHASE CONTROL METHOD, OPTICAL RECEIVER, AND OPTICAL COMMUNICATION SYSTEM
5416415004Phase detector, timing recovery device using the same, and a demodulator using the timing recovery device
5426415003Digital baseline wander correction circuit
5436411117Dynamic register with IDDQ testing capability
5446408036Detection circuits
5456408034Framed delta sigma data with unlikely delta sigma data patterns
5466400778DC-offset canceller
5476400194Synchronous feedback digital circuit having a minimized switching power loss
5486396883Method for detection of pilot tones
5496393072Channel decoder using vocoder joint statistics
5506393069Circuit and method for compensating for degradation in pulse width of burst data
5516389134Call progress monitor circuitry and method for a communication system
5526389064Modems, methods, and computer program products for identifying a signaling alphabet in variance with an ideal alphabet due to digital impairments
5536389061Isolation system with digital communication across a capacitive barrier
5546385260Asynchronous sampling digital detection (ASDD) methods and apparatus
5556385238Adaptive equalization and baseline wander correction circuit
5566385235Direct digital access arrangement circuitry and method for connecting to phone lines
5576381287Data slicer
5586377633Apparatus and method for decoding asynchronous data
5596374374Error processing circuit for a receiving location of a data transmission system
5606373900Multi-pair transceiver decoder system with low computation slicer
5616373276CMOS small signal switchable impedence and voltage adjustable terminator with hysteresis receiver network
5626370206Adaptive cap receiver and method for controlling a cap receiver
5636370205Method and apparatus for performing DC-offset compensation in a radio receiver
5646363129Timing recovery system for a multi-pair gigabit transceiver
5656359983Digital isolation system with data scrambling
5666359941System and method for improved reference threshold setting in a burst mode digital data receiver
5676359939Noise-adaptive packet envelope detection
5686353641Method and circuit arrangement to reduce a DC-offset
5696349121Baseband data slicing method and apparatus
5706347127Method and apparatus for multi-symbol matched filter estimation of an evaluation symbol in a received signal having a predictable inter-symbol interference
5716347124System and method of soft decision decoding
5726340941Digital-signal forming circuit

2001

5736330330External resistor and method to minimize power dissipation in DC holding circuitry for a communication system
5746329929Telemetry system with phase-locking noise suppressing receiver
5756327313Method and apparatus for DC offset correction
5766327205Signal latching of high bandwidth DRAM arrays when skew between different components is higher than signal rate
5776324232Adaptive DC-compensation
5786324231DC offset cancellation apparatus and method for digital demodulatation
5796317469Method and apparatus for utilizing a data processing system for multi-level data communications providing self-clocking
5806311051Mobile communication system with offset compensation circuitry
5816307905Switching noise reduction in a multi-clock domain transceiver
5826307891Method and apparatus for freezing a communication link during a disruptive event
5836307884Dual decision feedback equalizer with selective attenuation to improve channel performance
5846307428Method for ASK demodulation, and ASK demodulator
5856304615Serial digital data communications receiver with improved automatic cable equalizer, AGC system, and DC restorer
5866298133Telephone line interface architecture using ringer inputs for caller ID data
5876297755Analog isolation system with digital communication across a capacitive barrier
5886295152Optical receiver for receiving digitally transmitted data
5896292517Method and apparatus for detecting a data signal on a carrier medium
5906292126Quantizer that uses optimum decision thresholds
5916289070Digital isolation system with ADC offset calibration including coarse offset
5926289047Dynamic regulation of power consumption of a high-speed communication system
5936288619Bias circuit for use in quadrature modulator
5946282246Frequency modulation method and modem unit employing such method
5956278754Demodulation of asynchronously sampled data by means of detection-transition sample estimation in a shared multi-carrier environment
5966278747Method and apparatus for performing digital detection of data stored on an optical medium
5976278312Method and apparatus for generating a reference voltage signal derived from complementary signals
5986275959Adaptive threshold control circuit and method within high speed receivers
5996275541Digital receiver circuit
6006275087Adaptive cancellation of time variant DC offset
6016272173Efficient fir filter for high-speed communication
6026271698Method and apparatus for correcting imperfectly equalized bipolar signals
6036271690Discriminator
6046266366Digital base-band receiver with pipeline processor
6056263018Apparatus for adaptive equalizer
6066259748Signal offset elimination
6076256342Method and regenerative filter for equalizing digitally transmitted signals
6086255863Circuit and method for determining level of differential signal
6096255859High speed source synchronous signaling for interfacing VLSI CMOS circuits to transmission lines
6106253345System and method for trellis decoding in a multi-pair transceiver system
6116252904High-speed decoder for a multi-pair gigabit transceiver
6126249556Dynamic thresholding for input receivers
6136249553Device and method for detecting information
6146249552Audio frequency recovery--DC restorer circuit for cordless phone applications
6156249544System and method for high-speed decoding and ISI compensation in a multi-pair transceiver system
6166246728Apparatus for suppressing interfering DC component shifts in a radio receiver of the direct conversion type, and a corresponding method suppression
6176246715Data transmitter and receiver of a DS-CDMA communication system
6186243423Receiver, transmitter-receiver, and communication method
6196242961Methods and circuits for restoration of a drooped DC signal
6206240100Cellular TDMA base station receiver with dynamic DC offset correction
6216226333QAM de-mapping circuit
6226226332Multi-pair transceiver decoder system with low computation slicer
6236225927Analog isolation system with digital communication across a capacitive barrier
6246225832Signal regeneration circuit
6256222922Loop current monitor circuitry and method for a communication system
6266212119Dynamic register with low clock rate testing capability
6276211716Baseline wander compensation circuit and method
6286208696Low power density radio system
6296205183Methods of suppressing reference oscillator harmonic interference and related receivers
6306201865Digital access arrangement circuitry and method for connecting to phone lines having a DC holding circuit with switchable time constants
6316201841Distortion compensating device
6326201831Demodulator for a multi-pair gigabit transceiver
6336198816Capacitively coupled ring detector with power provided across isolation barrier
6346194934Circuit arrangement for regenerating an input signal containing digital data sequences
6356192090Circuit and method for adaptively calculating decision error of digital signal in digital modulation system
6366191879Offset control for burst-mode optical receiver
6376191717Analog isolation system with digital communication across a capactive barrier
6386188737Method and apparatus for regenerating data
6396185262Method for suppressing disturbances in a bipolar data stream and a circuit configuration for carrying out the method
6406185261Determination of transmitter distortion
6416185260Radio communication device using quadrature modulation-demodulation circuit
6426178213Adaptive data recovery system and methods
6436178198Apparatus for, and method of, processing signals transmitted over a local area network
6446175728Direct conversion receiver capable of canceling DC offset voltages
6456175601Infra-red data processing circuit
6466173019Control loop for data signal baseline correction
6476173018Multi level comparator for demodulator
6486169768Receiving apparatus and method

2000

6496167134External resistor and method to minimize power dissipation in DC holding circuitry for a communication system
6506167132Analog successive approximation (SAR) analog-to-digital converter (ADC)
6516163580Method and apparatus for data detection with an enhanced adaptive threshold
6526160885Caller ID circuit powered through hookswitch devices
6536160423High speed source synchronous signaling for interfacing VLSI CMOS circuits to transmission lines
6546154498Computer system with a semi-differential bus signaling scheme
6556151648High speed bus system and method for using voltage and timing oscillating references for signal detection
6566151356Method and apparatus for phase detection in digital signals
6576148040Precoded gaussian minimum shift keying carrier tracking loop
6586148025System and method for compensating for baseline wander
6596144853Method and apparatus for digital cordless telephony
6606144326Digital isolation system with ADC offset calibration
6616141378Fractionally-spaced adaptively-equalized self-recovering digital receiver for amplitude-phase modulated signals
6626140857Method and apparatus for reducing baseline wander
6636137844Digital filter for noise and error removal in transmitted analog signals
6646137829System and method for transmitting special marker symbols
6656137827Isolation system with digital communication across a capacitive barrier
6666137809Quantization noise compensator apparatus and method
6676130921Frequency shift modulation automatic frequency correction circuit and method
6686128354Data detection pre-amplifier circuit
6696128353Code division multiple access system with dynamic histogram control
6706122487Communication unit
6716118829Apparatus and method for automatic mode selection in a communications receiver
6726115435Soft decision method and receiver
6736115433Adaptively-equalized digital receiver with carrier tracking
6746115429Data receiving method for receiving data through predetermined clear zones of a powerline
6756107948Analog isolation system with digital communication across a capacitive barrier
6766104794Architecture for minimum loop current during ringing and caller ID
6776101227Detector and method for detecting defects in the magnetic media of a mass storage system
6786101223System and method for optimizing the uncoded modulation of circular constellations using circular precoding and nonlinear encoding
6796094461Data transmission
6806075980Interference suppression in RF signals
6816075825Timing and data recovery circuit for ultra high speed optical communication system
6826075409Demodulation method and arrangement
6836069499Data slicer
6846055283Data detection circuit
6856047035Method and device for quantizing the input to soft decoders
6866047032Signal equalization and data recovery with non-linear digital threshold feedback
6876047031Error correction circuit
6886047026Method and apparatus for automatic equalization of very high frequency multilevel and baseband codes using a high speed analog decision feedback equalizer
6896041084Circuit for optimal signal slicing in a binary receiver
6906038266Mixed mode adaptive analog receive architecture for data communications
6916038049Waveform-shaping circuit and a data-transmitting apparatus using such a circuit
6926035338Document browse support system and document processing system
6936035004Digital radio receiver
6946034620Reception of a selective call radio signal by using threshold levels detected in the signal in calculating optimum threshold levels
6956031419Demodulator for contactless chip card
6966026120System and method for using circular constellations with uncoded modulation
6976020716Engine starting apparatus
6986018546Technique for soft decision metric generation in a wireless communications system
6996011817Transmission system and receiver with improved detection, and improved detection method

1999

7006006150Communications device for control device
7016002723Digital receiver having programmable complex threshold detectors and threshold interpreters
7026002538PRML regenerating apparatus having adjusted slice levels
7036002353One-bit digital signal processing
7045999564System and method for iteratively determining quantization intervals of a remote ADC and modem employing the same
7055982204Information-discriminating circuit
7065977821Digital detection method and circuit for PSK modulated signals
7075974099Unreliability detector apparatus and reproduction apparatus provided with the unreliability detector apparatus
7085970093Fractionally-spaced adaptively-equalized self-recovering digital receiver for amplitude-Phase modulated signals
7095969646Apparatus and method for decoding differential multi-level data with adaptive threshold control
7105968198Decoder utilizing soft information output to minimize error rates
7115963599Truncated maximum likelihood sequence estimator
7125949827Continuous integration digital demodulator for use in a communication device
7135949280Multivalued FSK demodulation window comparator
7145948116Bit error correction algorithm
7155942994Method and device for decoding a multivalent electrical signal and receiver comprising such a decoding device
7165940442High speed data receiver
7175939896Coupling arrangement in a terminating circuit
7185937018DC offset compensation using antenna arrays
7195936546Variable format radio pager having power saving mode during binary code transmission
7205933465Control signal detection method with calibration error and subscriber unit therewith
7215933464Bitwise soft decision symbol decoder
7225933463Method and circuit for calculating metrics for an analog viterbi detector
7235933461Data receiving apparatus, demodulator circuit and integrated circuit
7245933459Dual reference voltage input receiver for high speed data transmission
7255933458Circuit for processing asynchronous signals having periodic synchronization bursts
7265933455Data slicer for demodulated binary FSK signals in a time division duplex radio environment
7275933052Offset insensitive hysteresis limiter
7285930307Method and apparatus for acquiring peak and valley values of a signal received by a radio communication device
7295930304Wireless powered communication device with adaptive data detection and method
7305917867Method and apparatus for DC compensation
7315910960Signal processing apparatus and method
7325909143Circuit for determining and storing an average signal value
7335905755Method and circuit for data regeneration of a data stream
7345903186Demodulator of MSK signal
7355901172Ultra wideband receiver with high speed noise and interference tracking threshold
7365900749Threshold voltage level generator for time division duplex communications
7375898912Direct current (DC) offset compensation method and apparatus
7385898737Adaptive digital symbol recovery for amplitude phased keyed digital communication systems
7395898734Symbol determining method and apparatus
7405896422Method and apparatus for determining the detection threshold for an information signal
7415896392Device and method for automatically controlling decision points
7425896391Forward error correction assisted receiver optimization
7435894334Carrier recovery system for a vestigial sideband signal
7445892800Data detection circuit having a pre-amplifier circuit
7455886842Control loops for low power, high speed PRML sampling data detection channel
7465881364Radio pager having correcting circuit responsive to temperature variation
7475878091Apparatus and method for pattern adaptive offset restoration
7485872468Level detector circuit, interface and method for interpreting and processing multi-level signals
7495870046Analog isolation system with digital communication across a capacitive barrier
7505864762Operating a trunked communication system in transmission and message trunked modes

1998

7515851386Waste-oil cleaning apparatus
7525850353Dynamic multiple comparison digital device particularly for the real time monitoring of a plurality of signals
7535847891PRML regenerating apparatus
7545841602PRML regenerating apparatus
7555838735Method and apparatus for compensating for a varying d.c. offset in a sampled signal
7565838731Burst-mode digital receiver
7575835532Blind equalizer for a vestigial sideband signal
7585832039Data processing circuit
7595825570PRML regenerating apparatus having reduced number of charge pump circuits
7605825243Apparatus and method for demodulating multi-level signal
7615812613Bitwise soft decision symbol decoder
7625812597Circuit for preventing base line wander of digital signals in a network receiver
7635805641Threshold setting device
7645805639Adaptive network
7655805242Carrier independent timing recovery system for a vestigial sideband modulated signal
7665802108Waveform correction apparatus
7675801867DC-coupled receiver for shared optical system
7685799043Method and apparatus for decoding a two-level radio signal
7695796781Data receiver having bias restoration
7705784416Method and apparatus for detection of a communication signal
7715781588FSK signal receiver
7725781064Digital filtering system for filtering digital outputs of a four level FSK demodulator
7735778028DC removal circuit for digital signal
7745768301Apparatus and method for detecting and correcting pair swap, and implementing a link integrity function in a packet-based data communications system
7755761251Dual automatic gain control and DC offset correction circuit for QAM demodulation
7765761210Signal processing apparatus and method
7775757863Apparatus for decoding a signal encoded by using trellis coded modulation
7785757859Apparatus and method for recovering packet data with unknown delays and error transients
7795754595Demodulated radio signals
7805751692Bus signal detector
7815748681Offset correction for a homodyne radio
7825745530Digital data recovering apparatus
7835737369Apparatus and method for recovering data in the presence of error transients
7845737357Apparatus and method for data pattern sensitivity correction
7855732110Receiver having an adjustable symbol slice demodulator
7865727006Apparatus and method for detecting and correcting reverse polarity, in a packet-based data communications system
7875724653Radio receiver with DC offset correction circuit
7885724363Optical analog signal transmission system
7895719903Method and apparatus for receiving symbols
7905717715Signal processing apparatus and method
7915710795Received signal decision apparatus for digital modulated signal receiver
7925706221Mehtod and apparatus for recovering digital data from baseband analog signal
7935706057Phase detector in a carrier recovery network for a vestigial sideband signal

1997

7945703914Clock recovery circuit employing delay-and-difference circuit and pulse-sequence detection
7955703506Signal processing method
7965699386System and method for data signal communication using a high-pass function before a low-pass function with quantized feedback technique
7975699011DC offset compensation method and apparatus
7985692020Signal processing apparatus and method
7995689692Method and apparatus for decoding an encoded NRZ signal
8005686898Paging network identification information distributed in address field
8015673197Apparatus and method for updating thresholds for peak and valley systems
8025673130Circuit and method of encoding and decoding digital data transmitted along optical fibers
8035670951Radio communication device and method for generating threshold levels in a radio communication device for receiving four-level signals
8045670901Effective signal detection circuit device of serial transmission apparatus using bi-phase code
8055668838Instantaneous phase detecting circuit and clock recovery signal generating circuit incorporated in differential demodulator
8065668831Signal processing apparatus and method
8075663987Digital signal receiver device comprising filtering means
8085652773Digital phase-locked loop for data separation
8095652767Data decision circuit used in optical parallel receiving module, optical parallel receiving module, optical parallel transmission system and terminal structure of optical transmission fiber
8105652755Printer interface system
8115652541Data demodulator employing decision feedback for reference parameter recovery and method used therin
8125644600Multi-valued signal decoding circuit having bit synchronization signal timing transition which is sampled and held
8135640430Method for detecting valid data in a data stream
8145640426Clock recovery circuit of demodulator
8155635864Comparator circuit
8165631923Two-wire full-duplex modem
8175629960Method for reducing distortion effects on DC off-set voltage and symbol clock tracking in a demodulator
8185627860Peak and valley detector for a selective call receiving device
8195625649Clock recovery circuit of demodulator
8205608762Apparatus and method for automatic discriminator compensation in a FSK receiver
8215604768Frequency synchronized bidirectional radio system
8225600679Burst signal receiving apparatus with different holding times of threshold signal
8235598423Very low jitter clock recovery from serial audio data

1996

8245579343Soft decision circuit
8255574788Trunked radio repeater system
8265572555Serial code format optimized for remote control applications over noisy communications channel
8275566213Selective call receiving device with improved symbol decoding and automatic frequency control
8285557638Transmission system for multivalued digital symbols
8295555452Peak and valley signal measuring circuit using single digital-to-analog converter
8305541958Clock recovery circuit of demodulator
8315539779Automatic offset control circuit for digital receiver
8325539778Reception comparator
8335537442Instantaneous phase detecting circuit and clock recovery signal generating circuit incorporated in differential demodulator
8345533054Multi-level data transmitter
8355530601Tracking threshold circuit for peak detection
8365524027Data receiver, method of calculating metrics, and signal processing device
8375521941Automatic threshold control for multi-level signals
8385508855Tracking threshold circuit for peak detection
8395502746Dual stage differential adaptive peak detector for data communications receivers
8405499244Packet data reciever with sampled data output and background light cancellation
8415491713Minimized oversampling Manchester decoder
8425490175Method and apparatus for detecting binary encoded data
8435490169Decision feedback equalizer method and apparatus
8445483670Trunked radio repeater system with control channel monitoring feature
8455481568Data detecting apparatus using an over sampling and an interpolation means

1995

8465475714DC removal circuit for digital signal
8475473636Data discriminating circuit and an optical receiver using the same
8485469464Transmission system for transmitting signals in a burst mode
8495469091Data slice circuit
8505465272Data transmitter baseline wander correction circuit
8515463345Circuit for converting unipolar input to bipolar output
8525459762Variable multi-threshold detection for 0.3-GMSK
8535459679Real-time DC offset control and associated method
8545452472Radio communication receiving device detecting a frequency modulation preamble signal
8555446763Apparatus and method for converting soft symbols into soft bits
8565442655DC cancellation and restoration in receiving apparatus
8575438593Adaptive threshold decision device for multistate modulation
8585436590Digital FSK demodulator with automatic offset cancellation
8595436589Demodulator for frequency shift keyed signals
8605430766Burst mode digital data receiver
8615430765Digital data receiver having DC offset cancelling preamplifier and dual-mode transimpedance amplifier
8625428644Adaptive detection method and detector for quantized signals
8635426389System for DC restoration of serially transmitted binary signals
8645425056Method and apparatus for generating threshold levels in a radio communication device for receiving four-level signals
8655425053Radio communication apparatus which can quickly recover from misjudgement of levels of a multilevel modulated signal
8665425037Data transmission apparatus
8675418821Method and apparatus for sample-data receiver squelch
8685412692Data slicer
8695412498Multi-RC time constant receiver
8705410569Data slicing system for HDTV receiver
8715404362Very low jitter clock recovery from serial audio data
8725394441Method and apparatus for digitally tracking highs and lows of a signal received by a radio communication device
8735392317Method and apparatus extracting pulse signal
8745391950Circuit to eliminate signal chatter in the output of a fiber-optic receiver
8755379324System and method for calculating channel gain and noise variance of a communication channel

1994

8765377232Frequency synchronized bidirectional radio system
8775373534Serial data receiving apparatus
8785373508Detecting valid data from a twisted pair medium
8795373400Dynamic threshold updating circuit for a maximum likelihood detector using both positive and negative comparators
8805371763Packet mode digital data receiver
8815369667Apparatus and method for automatically adjusting parameters of an automatic equalizer
8825367535Method and circuit for regenerating a binary bit stream from a ternary signal
8835351271Method and device for measuring the successive amplitude levels of signals received on a transmission channel
8845339019Current sink
8855323423Receive side pulse width controlled adaptive equalizer
8865323331Method and circuit arrangement for level monitoring
8875319679Method and apparatus for recovering data from a radio signal
8885311554Synchronized offset extraction in a data receiver
8895311516Paging system using message fragmentation to redistribute traffic
8905311376Information detecting system
8915303420Circuit for stabilizing the bias of a paging receiver with power saving functions
8925303416Method and apparatus for adjusting peak and valley acquisition rates of a signal received by a radio communication device
8935295155Multi-level digital data regeneration system
8945287540Digital detector
8955287534Correcting crossover distortion produced when analog signal thresholds are used to remove noise from signal
8965287359Synchronous decoder for self-clocking signals
8975285481Receiver circuit with smart squelch

1993

8985274837Trunked radio repeater system with multigroup calling feature
8995274674Method of controlling a threshold decoder for a signal having several levels and being affected by echoes, and television receiver provided with such a decoder
9005265125Signal detection apparatus for detecting digital information from PCM signal
9015260974Adaptive carrier detection
9025254958Phase-lock-loop circuit and method for compensating, data bias in the same
9035247211Light-receiving circuit
9045245557High efficiency digital integrate and dump
9055243625Receiver for multivalued digital signals
9065241702D.C. offset compensation in a radio receiver
9075241388Video signal filter method and circuit
9085237589Method of and apparatus for shaping waveform and method of and apparatus for generating threshold for waveform shaping
9095235220Majority decision method and circuit wherein least possible flip-flops are used
9105231394Signal reproducing method
9115214675System and method for calculating channel gain and noise variance of a communication channel
9125212826Apparatus and method of DC offset correction for a receiver
9135212724Processor-to-processor communications protocol for a public service trunking system
9145208693Transmission protocol for clamping receiver
9155206863Processor-to-processor communications protocol for a public service trunking system
9165206636Signal search method for selective call receiver
9175205294Apparatus and methodology for digital telemetry of biomedical signals
9185191462Fiber optic transmission distortion compensation
9195179577Dynamic threshold data receiver for local area networks

1992

9205175749Apparatus and method for DC offset correction in a receiver
9215175748Waveform shaping circuit and receiver using same
9225155486Asynchronous serial data receiver with capability for sampling the mid-point of data bits
9235148449Centering multi-level data
9245144644Soft trellis decoding
9255142554Data separator with noise-tolerant adaptive threshold
9265134632Decoding binary-coded transmissions
9275124673Level independent automatic cable equalizer
9285119404Signal receiver
9295099500Symbol detection and error correction coding in a local area network
9305097486Pipelined decision feedback decoder
9315091920Threshold valve control system in a receiver circuit

1991

9325052021Digital signal decoding circuit and decoding method
9335052000Technique for improving the operation of decision feedback equalizers in communications systems utilizing error correction
9345036525Adaptive equalizer
9355029187Digital correlation receiver
9365025251Self-tuning direct coupled data limiter of a battery saver type paging receiver
9375018142Technique for organizing and coding serial binary data from a plurality of data lines for transmission over a single transmission line
9385003556Squelch circuit
9395003308Serial data receiver with phase shift detection
9405001374Digital filter for removing short duration noise
9414995106Fast decision feedback decoder for digital data

1990

9424968902Unstable data recognition circuit for dual threshold synchronous data
9434965867Offset compensation circuit
9444939750Adaptive signal discrimination circuit and a method for discriminating high and low level of data signals
9454926443Correction circuit for a digital quadrature-signal pair
9464926442CMOS signal threshold detector
9474922493Error detection and correction circuit

1989

9484873702Method and apparatus for DC restoration in digital receivers
9494873700Auto-threshold/adaptive equalizer
9504860321Lock detector for feedback loops
9514860311Method and apparatus for automatically converting input pulse train signals to output signals of desired polarity
9524860010Automatic drift control circuit
9534847865Automatic threshold adjustment circuit for digital data communication
9544837642Threshold tracking system
9554833346Switched threshold comparator for a fiber-optic receiver
9564825113Single transmission line bidirectional optical communication system
9574823360Binary data regenerator with adaptive threshold level
9584821292Adaptive limiter/detector which changes time constant upon detection of dotting pattern
9594807261Automatic channel polarity detection and correction arrangement and method

1988

9604771421Apparatus for receiving high-speed data in packet form
9614764923Digital receive filter circuit
9624763318Transmission and reception of synchronous data and timing signals using a steady bit stream
9634762992Error detection system for two-state fiber optic sensors
9644759036Decision-directed control circuit
9654759035Digitally controlled, all rate equalizer
9664754477Key telephone system
9674754457Digital sequence polarity detection with adaptive synchronization
9684745621Method of and apparatus for detecting minimum bit number of received data
9694742533Soft decision digital communication apparatus
9704736391Threshold control with data receiver
9714730267Combination integrate and dump filter and level detector

1987

9724716376Adaptive FSK demodulator and threshold detector
9734713563d.c. Block capacitor circuit for rejection of d.c. offset
9744709158Arrangement for restoring the L.F. content of a digital signal
9754703282Digital demodulation system
9764686676Apparatus and method for determining true data in a digital data stream from distorted data
9774677627Error correction scheme
9784652775Adaptive threshold detector
9794647790Data signal correction circuit
9804641324Signal correction apparatus
9814639936Data transmission signal apparatus

1986

9824633465Eye violation detectors
9834631737Self biasing direct coupled data limiter
9844625320Automatic bias circuit
9854622586Digital slicer having a pulse-width locked loop
9864613973Digital data decoder and method
9874606050System for detecting and recovering a transmitted signal
9884602374Multi-level decision circuit
9894599723Method of encoding data for serial transmission
9904590600Dynamic digital equalizer
9914583007Failsafe decision circuit
9924581731Receiver for optical communication
9934575863Fast recovery bias circuit

1985

9944556983Method and apparatus for pre-emphasis counteraction of variations in amplitude of received or reproduced serial binary signals
9954553102Multilevel amplitude modulation demodulator with DC drift compensation
9964544894DC Voltage control circuits
9974531239Optical receiver having collision detection function
9984514854Discrimination circuit for received data
9994509180Method and an apparatus for correcting distortion of binary received signals
10004507793Digital signal transmission system
10014504975System for transmitting digital signals over an optical fiber
10024504959Noise-neutralizing digital interface circuit
10034498198Binary signal decoding apparatus and method
10044494241Installation for the transmission of informations by an optical bus line
10054493082Soft decision convolutional code transmission systems

1984

10064481675Pulse detecting circuit of receiver for use in digital radio communication system
10074462052Device for interrogating and correcting a serial data signal
10084459699Differential sample and hold coupling circuit
10094456992Method and apparatus for enhancing the probability of error-free reception of digital signals
10104449102Adaptive threshold circuit
10114442531Method and apparatus for recognizing digital information in digital information transmission, particularly in mobil radio communications systems
10124441194Triple bit non-coherent matched filter receiving system
10134432094Method for recognizing digital information transmitted in a mobile radio communication system
10144425548Digital signal processing circuit

1983

10154406988Circuit for processing a digital signal
10164403333Method for recognizing digital information in transmission in mobile radio communications systems
10174393499Adaptive signal quality measurement circuit for PSK and FSK demodulators
10184385328Data extracting circuit

1982

10194363977Device for discriminating between two values of a signal with DC offset compensation
10204358846Serial data correlator/code translator
10214358790Electrical data pulse slicing
10224347615Transversal equalizers
10234339727Waveform converting circuit
10244333158Automatic gain control circuit for an adaptive filter
10254327440Signal detector for use in digital communication
10264326169Adaptive decision level circuit
10274320523Digital signal reception system
10284318128Process and device for retrieving digital data in the presence of noise and distortions
10294317111Digital device for synchronizing and decoding coded signals
10304309772Soft quantizer for FM radio binary digital signaling

1981

10314303895Automatic equalizer
10324302845Phase-encoded data signal demodulator
10334300231Digital system error correction arrangement
10344293949Clock invariant synchronization for random binary sequences
10354288873Analogue to digital converters
10364278992PCM Detector for video reproducer apparatus
10374275416PCM Detector
10384270208Threshold generator
10394250458Baseband DC offset detector and control circuit for DC coupled digital demodulator

1980

10404242755Circuit arrangement for decoding digital signals
10414241455Data receiving and processing circuit
10424241311Digital majority noise filter for bi-level data reception
10434232188Circuit arrangement for receiving simplex and duplex current telegraph characters
10444229831Drift compensated fiber optic-receiver
10454227175Data recognition apparatus
10464187438Circuit arrangement for unilaterally scanning distorted teletype characters
10474186384Signal bias remover apparatus

1979

10484176248System for identifying and correcting the polarity of a data signal
10494163209Technique for controlling memoryful non-linearities
10504157509Variable reference signal generating circuit and analog comparator utilizing hysteresis
10514155012Discrimination circuit arrangements
10524145743Voltage level generator using digital integration

1978

10534109211Variable thresholding circuit for converting an analog signal to a binary signal
10544080572Receiver and method for synchronizing and detecting coded waveforms
10554070631Digital noise blanking circuit
10564066878Time-domain filter for recursive type signals

1977

10574053846Amplifier apparatus
10584045614System for controlling polarity state of start-stop telegraph signal train
10594034340System for determining the quality of transmission of incoming digital message signals
10604029904Receiver circuit for automatic correction of DC level disturbances
10614021685Pulse circuit for reshaping long line pulses
10624013368Sample cartridge for use in apparatus for evaluation of biological fluid
10634012598Method and means for pulse receiver synchronization
10644011406PCM regenerator
10654009341Device for regenerating telegraphic signals

1976

10663992616Receiver equalizer apparatus
10673991379Logic level decoding circuit
10683983006Method for determining minimum inhibitory concentration of antibiotic
10693978348Electrical signal noise suppressing apparatus
10703978284Receiver for use in a multi-level code transmission system
10713963871Analysis device for establishing the binary value of asynchronous data signals
10723939473Process for correcting signal distortions
10733939304Decommutator for extracting zero and one bits from a coded message of duration-modulated pulses
10743938081Circuitry for preventing the use of erroneous data
10753938049Baseline correction system for pulse trains
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017