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2017

19608800Frequency aided clock recovery based on low speed information exchange mechanism
29606891Tracing data from an asynchronous interface
39594396Synchronizing data transfer between a first clock domain and second clock domain
49577786Pilot symbol generation for highly-spectrally-efficient communications
59577769Built-in self-test technique for detection of imperfectly connected antenna in OFDM transceivers
69571942Hearing device and a method of compensating a frequency difference between a transmitter and receiver

2016

79520965Monitoring and control of reference clocks to reduce bit error ratio
89509317Rotational synchronizer circuit for metastablity resolution
99503250Data communication with interventional instruments
109503157Digital signal processing for PLC communications having communication frequencies
119490969Transmission apparatus, reception apparatus, and transmission and reception system
129490966Frequency planning for digital power amplifier
139490965Simultaneous transmission of clock and bidirectional data over a communication channel
149471531Adaptive isochronous USB audio to RF communication device
159467251Method and system for forward error correction decoding with parity check for use in low complexity highly-spectrally efficient communications
169444613Sensor, control unit and method to communicate between sensors and control units
179444440Transition detector
189432176Circuit and method for clock and data recovery
199425807Circuit for symbol timing synchronization
209407428Reception apparatus, reception method, and program
219397916Communication device and communication system
229397823Methods and circuits for reducing clock jitter
239397821Method, apparatus, mobile communication terminal, computer program and storage medium for adjusting frequency error of terminal
249385893Modular low power serializer-deserializer
259379880Clock recovery circuit
269374250Wireline receiver circuitry having collaborative timing recovery
279369266Techniques for clock data recovery
289369265Data receiver
299356588Linearity of phase interpolators using capacitive elements
309337996Data recovery circuit
319325488Noise shaped interpolator and decimator apparatus and method
329306732At-rate SERDES clock data recovery with controllable offset
339294263Methods and systems of synchronizer selection
349294261System and method for generating an essentially sinusoidal synchronization pulse
359276732Frequency synchronizing a local oscillator in a remote unit in a distributed antenna system (DAS) used for frequency shifting communications signals based on a received digital pulse signal from a central unit
369270416Multi-mode transmitter for highly-spectrally-efficient communications
379270353Communication system for spatially-encoded wireless communications
389264179Decision feedback equalizer for highly spectrally efficient communications
399258109Clock recovery method and apparatus
409258107Local oscillator phase noise tracking for single carrier transmission
419252822Adaptive non-linear model for highly-spectrally-efficient communications
429246668Unified control for digital timing recovery and packet processing
439240847Method for suppressing interferences in a sampling process as well as a device for carrying out the method
449231628Low-complexity, highly-spectrally-efficient communications
459231571Resonant clock amplifier with a digitally tunable delay
469230505Apparatus, system and method for providing clock and data signaling

2015

479225343Electronics device capable of efficient communication between components with asyncronous clocks
489225321Signal synchronizing systems and methods
499215110Hitless efficient transmitter protection of all outdoor radios
509209843Fine phase estimation for highly spectrally efficient communications
519203677Signal processing method and associated apparatus
529201449Method and apparatus for source-synchronous capture using a first-in-first-out unit
539191191Device and methodology for virtual audio/video circuit switching in a packet-based network
549191190Methods and apparatus for digital host-lock mode in a transceiver
559191187Reception circuit and semiconductor integrated circuit
569184909Apparatus and methods for clock and data recovery
579184908Apparatus and method for reducing jitter in periodic signals
589170981Adaptive isochronous USB audio to RF communication device
599166833Feed forward equalization for highly-spectrally-efficient communications
609137005Managing arbitration in mixed link rate wide ports
619130733Alignment of non-synchronous data streams
629130700Noise shaped interpolator and decimator apparatus and method
639117031Generating interface adjustment signals in a device-to-device interconnection system
649112673Reception circuit
659106401Deterministic synchronization for transmitting signals between different clock domains
669094183Circuits for receiving data
679088403Identification codewords for a rate-adapted version of a data stream
689078278Method and apparatus for soft buffer management for carrier aggregation
699077511Phase interpolator
709071410Simultaneous transmission of clock and bidirectional data over a communication channel
719054854Bit slip circuitry for serial data signals
729001949Methods and QAM receiver for performing timing recovery
738976962Apparatus and method for generating group key using status of wireless channel
748934554Virtual multicarrier design for orthogonal frequency division multiple access communications

2014

758923463Offset calibration and adaptive channel data sample positioning
768913679Systems and methods for jointly detecting channel interference on a synchronized mobile communication network
778909998Phase shift adjusting method and circuit
788908818Channel estimation method, apparatus and system
798855256Serial data recovery in digital receiver configurations
808848850Pulse width modulation receiver circuitry
818848849SPDIF clock and data recovery with sample rate converter
828824613Signal transmission device, and transmission control method
838817933Method and apparatus for clock data recovery from Manchester coded serial data stream
848812063Signal characteristic-based leading edge detection
858811559Timing recovery circuit and receiver circuit including the same
868798219High-speed serial data transceiver and related methods
878775701Method and apparatus for source-synchronous capture using a first-in-first-out unit
888774337Phase control block for managing multiple clock domains in systems with frequency offsets
898774336Low-power highly-accurate passive multiphase clock generation scheme by using polyphase filters
908767900Signal transition detection circuit and method of the same
918750445Method and system for communicating information in a digital signal
928750444Snapshot processing of timing data
938737555Digital signal processing for PLC communications having communication frequencies
948737552Synchronous data transfer
958724764Distortion tolerant clock and data recovery
968724761Symbol synchronization apparatus and method of passive RFID reader
978711996Methods and apparatus for determining a phase error in signals
988711995Powerline communication receiver
998705649Method and receiver structure for interference cancellation in co-ordinated multipoint systems
1008675798Systems, circuits, and methods for phase inversion
1018638894Data communication apparatus, data communication system, and data communication method
1028634510Full digital bang bang frequency detector with no data pattern dependency

2013

1038611485Method and a device for controlling frequency synchronization
1048611484Receiver having clock recovery unit based on delay locked loop
1058576968TCP flow clock extraction
1068553824MIMO slotted aloha (MSA) system
1078548111Sampler circuit
1088532240Decoupling sampling clock and error clock in a data eye
1098494567Method for selecting an effective angle of reception of a directional antenna of a receiver node, corresponding storage means and receiver node
1108488732Communication receiver and a receiving method
1118477896Structure for window comparator circuit for clock data recovery from bipolar RZ data
1128477855Signal transmission system and semiconductor integrated circuit device
1138451867Network time protocol precision timestamping service
1148437439Signal processing apparatus, signal transmitting system, and signal processing method
1158416905Digital NRZI signal for serial interconnect communications between the link layer and physical layer
1168406362Communication device
1178385493Method and apparatus for improving linearity in clock and data recovery systems
1188385492Receiver circuit architectures
1198363769Sync detector and communication apparatus synthesizing correlation values
1208358939Optical communication device

2012

1218340239Decoder and method for adaptively generating a clock window
1228340238Receiving device for receiving time-multiplexed signals, transmitting system, and method for time synchronization of time-multiplexed signals
1238331517Serial link receiver and method thereof
1248325868Synchronization apparatus for accurately demodulating signal input to PJM tag and PJM tag including the synchronization apparatus
1258320301MIMO WLAN system
1268315348Clock extraction circuit for use in a linearly expandable broadcast router
1278315347I/O link with configurable forwarded and derived clocks
1288311175TDD communication apparatus and operation method thereof
1298295423System and method for clockless data recovery
1308295422Code controller
1318291255CDR control architecture for robust low-latency exit from the power-saving mode of an embedded CDR in a programmable integrated circuit device
1328290105Signal reception device and method of signal reception timing detection
1338284879Lossless transfer of events across clock domains
1348275085Apparatus and method for recovering data
1358269565Spread spectrum clock generators and electronic devices including the same
1368265178Methods and apparatus for signal and timing detection in wireless communication systems
1378249207Clock and data recovery sampler calibration
1388233576System, apparatus, and method for a robust synchronization scheme for digital communication systems
1398233553Digital broadcast demodulator and digital broadcast demodulation method for suppressing degradation of reception characteristics
1408218703Methods of processing a wireless communication signal, wireless communication synchronization methods, and a radio frequency identification device communication method
1418184758Method and apparatus for detecting electrical idle
1428184735Sphere decoding method applied to multi-input multi-output (MIMO) channel
1438180008Single wire transmission without clock synchronization
1448170168Clock data recovery circuit
1458144802Digital data encoding and decoding method and system
1468130890Semiconductor memory device having data clock training circuit
1478130889Receive timing manager
1488094767Method and apparatus for timing and/or frequency synchronization in an RF receiver

2011

1498081725Edge evaluation of ASK-modulated signals
1508077820Detection of frequency correction bursts and the like
1518073089Data player and data play method
1528068572Self-timing method for adjustment of a sampling phase in an oversampling receiver and circuit
1538068553System and method for evaluating performance of a MIMO antenna system
1548060665Integrated circuit input/output interface with empirically determined delay matching
1558045667Deserializer and data recovery method
1568040988Transceiver with selectable data rate
1578014483Method of acquiring initial synchronization in impulse wireless communication and receiver
1588009784Clock embedded differential data receiving system for ternary lines differential signaling
1598000402System and method for accelerated performance of quadrature amplitude modulation (QAM) decoding operations in a processor
1608000351Source synchronous link with clock recovery and bit skew alignment
1617995693Method and apparatus for serial communication using clock-embedded signals
1627992174Method and system for downstream time stamp in an adaptive modulation based satellite modem termination system
1637991101Multiple channel synchronized clock generation scheme
1647991100Method for the synchronization of a radio receiver, and adapted receiver for the implementation of said method
1657978800Circuit for converting a transponder controller chip output into an appropriate input signal for a host device
1667970090Method and apparatus for a self-synchronizing system
1677936855Oversampling data recovery circuit and method for a receiver
1687929654Data sampling circuit and method for clock and data recovery
1697925913CDR control architecture for robust low-latency exit from the power-saving mode of an embedded CDR in a programmable integrated circuit device
1707924962Clock regeneration circuit technical field
1717894562Data message sync pattern

2010

1727844020Transmission system, transmitter, receiver, and transmission method
1737839966Asynchronous data sampling using CDR receivers in lock-to-reference mode
1747817762Method and apparatus for detecting leading pulse edges
1757801203Clock and data recovery circuits
1767787500Packet receiving method and device
1777782988Digital frequency synthesizer
1787760835Wireless communications devices, methods of processing a wireless communication signal, wireless communication synchronization methods and a radio frequency identification device communication method
1797746936Method and device for optimizing codebook for quantized precoder by using steepest descent algorithm
1807724858Techniques to manage latency for multiple receivers
1817684510Apparatus and method for transmission which encoding a message with space-time tubo code using feedback bit in mobile communication system
1827680228Communication system, real-time control device, and information processing system
1837672413Reception data synchronizing apparatus and method, and recording medium with recorded reception data synchronizing program
1847668609Digital audio data receiver without synchronized clock generator
1857653160Method of estimating noise and interference covariance matrix, receiver, and radio system
1867643597Methods for selecting a subsequence of video frames from a sequence of video frames

2009

1877639764Method and apparatus for synchronizing data between different clock domains in a memory controller
1887613265Systems, methods and computer program products for high speed data transfer using an external clock signal
1897599457Clock-and-data-recovery system having a multi-phase clock generator for one or more channel circuits
1907590087Methods for wireless data transmission between a base station and one or more transponders
1917570684Method for joint time synchronization and frequency offset estimation in OFDM system and apparatus of the same
1927564936Process and electronic decoding circuit for a diphase asynchronous frame whose length is not known in advance, corresponding application, computer programme and storage means
1937561652High frequency spread spectrum clock generation
1947561633System and method for MIMO equalization for DSP transceivers
1957561582Data reception device
1967555087Clock data recovery circuitry with dynamic support for changing data rates and a dynamically adjustable PPM detector
1977542535Method and apparatus for recovering a clock signal
1987522640Method of avoiding synchronization between communicating nodes
1997515665GFSK/GMSK detector with enhanced performance in co-channel interference and AWGN channels
2007515643Modulation for broadcasting from multiple transmitters
2017515614Source synchronous link with clock recovery and bit skew alignment
2027505541NRZ/PAM-4/PRML triple mode phase and data detector
2037489754Frequency-lock detector
2047489735Apparatus and method for processing signals from recording medium
2057477713method for providing automatic adaptation to frequency offsets in high speed serial links
2067477712Adaptable data path for synchronous data transfer between clock domains

2008

2077466783Method and system to implement a double data rate (DDR) interface
2087453970Clock signal selecting apparatus and method that guarantee continuity of output clock signal
2097450658Apparatus of transmitter and receiver for MIMO MC-CDMA system
2107434084Method and apparatus for eliminating sampling errors on a serial bus
2117424077Jitter sensitive maximum-a-posteriori sequence detection
2127424076System and method for providing synchronization information to a receiver
2137421039Method and system employing antenna arrays
2147398333Integrated circuit input/output interface with empirically determined delay matching
2157397879Data communication method and data communication device and semiconductor device
2167397878Data communication method and data communication device and semiconductor device
2177397876Methods and arrangements for link power reduction
2187382845Distribution of synchronization in an ethernet local area network environment
2197372931Unit interval discovery for a bus receiver
2207362837Method and apparatus for clock deskew
2217359472Method and apparatus for wireless data transmission
2227359471Data communication method and data communication device and semiconductor device
2237359470Minimizing feedback rate for channel state information in MIMO systems
2247353418Method and apparatus for updating serial devices
2257352835Clock data recovery circuitry with dynamic support for changing data rates and a dynamically adjustable PPM detector
2267342969Signaling with multiple clocks
2277321617Data communication system with self-test feature
2287317489Teletext data detection by data content based synchronization and error reduction

2007

2297310400Data recovery device and method
2307289589Maximum likelihood bit synchronizer and data detector
2317287105Asynchronous-mode sync FIFO having automatic lookahead and deterministic tester operation
2327274230System and method for clockless data recovery
2337272202Communication system and method for generating slave clocks and sample clocks at the source and destination ports of a synchronous network using the network frame rate
2347245684System and method for compensating for skew between a first clock signal and a second clock signal
2357245683System and methods of recovering a clock from NRZ data
2367242735Data recovery system and the method thereof
2377242734Frame boundary discriminator
2387236555Method and apparatus for measuring jitter
2397221725Host interface data receiver
2407218684Method and system for code reuse and capacity enhancement using null steering
2417209530Multi-shelf system clock synchronization
2427206353Mobile communication apparatus including an antenna array and mobile communication method
2437190192High speed source synchronous signaling for interfacing VLSI CMOS circuits to transmission lines
2447177306Calculation of clock skew using measured jitter buffer depth
2457170947Data receiver
2467167534Oversampling clock recovery circuit applicable not only to high rate data but also to low rate data
2477161998Digital phase locked loop for regenerating the clock of an embedded signal

2006

2487154946Equalizer and equalization method for return-to-zero signals
2497151811Electric circuit for decoding a two-phase asynchronous data signal and corresponding decoding method, device for controlling equipment
2507145973Receiver and method of reception with low sensitivity to fading
2517139345Method and circuit for adjusting the timing of output data based on the current and future states of the output data
2527136424Method or communications system using a robust diversity combination
2537133482Decoding method and Manchester decoder
2547127018Apparatus for and method of measuring clock skew
2557126383High speed source synchronous signaling for interfacing VLSI CMOS circuits to transmission lines
2567113562Method and apparatus for receiving data based on tracking zero crossings
2577103126Method and circuit for adjusting the timing of output data based on the current and future states of the output data
2587082142System and method for delivering content in a unicast/multicast manner
2597076012Measure-controlled delay circuit with reduced playback error
2607068747Data decision circuit using clock signal which has phase optimized with respect to phase of input data signal
2617058837Method and system for providing a message-time-ordering facility
2627046754Method for establishing a communication link
2637042971Delay-locked loop with built-in self-test of phase margin
2647035367Fractional multi-modulus prescaler
2657035365Error correction method and apparatus for data transmission system
2667009428High speed source synchronous signaling for interfacing VLSI CMOS circuits to transmission lines
2676999891Independent deskew lane
2686990162Scalable clock distribution for multiple CRU on the same chip
2696990123Method and apparatus for redundant transmission over TDMA optical networks
2706987824Method and system for clock/data recovery for self-clocked high speed interconnects

2005

2716968025High-speed transmission system having a low latency
2726965617Resynchronous control apparatus of subscriber communication machine, and resynchronizing method
2736961397Symbol synchronizer for impulse noise channels
2746961371Cellular communications system receivers
2756961095Digital display jitter correction apparatus and method
2766959038High-speed decoder for a multi-pair gigabit transceiver
2776959012Apparatus for compensating for phase difference attendant upon time division multiplexing and method thereof
2786956918Method for bi-directional data synchronization between different clock frequencies
2796954869Methods and apparatus for clock domain conversion in digital processing systems
2806952461Sampling frequency conversion apparatus
2816949958Phase comparator capable of tolerating a non-50% duty-cycle clocks
2826947482System and method for high-speed decoding and ISI compensation in a multi-pair transceiver system
2836944237Multi-pair transceiver decoder system with low computation slicer
2846943595Synchronization circuit
2856940927Simplified symbol timing tracking circuit for a CPM modulated signal
2866937679Spread spectrum clocking tolerant receivers
2876931561Apparatus and method for asynchronously interfacing high-speed clock domain and low-speed clock domain using a plurality of storage and multiplexer components
2886930628Amplitude detection for controlling the decision instant for sampling as a data flow
2896928106Phy control module for a multi-pair gigabit transceiver
2906928018Dynamic register with low clock rate testing capability
2916927709Transmission and reception interface and method of data transmission
2926927565Dynamic register with IDDQ testing capability
2936925575Selectable clocking synchronization of a parallel-to-serial converter and memory
2946922440Adaptive signal latency control for communications systems signals
2956917657Reduced MIPS pulse shaping filter
2966912259Interpolation synchronous detection method and radio communication system
2976912099Maximum likelihood detection of asynchronous servo data employing interpolation
2986910144Method and configuration for generating a clock pulse in a data processing system having a number of data channels
2996906555Prevention of metastability in bistable circuits
3006904111Asynchronous resampling for data transport
3016904104Technique for demodulating a linear modulated data signal in a communications system
3026904084Read channel apparatus and method for an optical storage system
3036901127Method and apparatus for data recovery
3046901106Delay lock code tracking loop employing multiple timing references
3056900665Transfer of digital data across asynchronous clock domains
3066898256Synchronization method and apparatus
3076891910Baud-rate timing recovery
3086888886Interface apparatus and method for receiving serially-transmitted data
3096885228Non-iterative signal synchronization
3106882661System for detection of asynchronous packet rates and maintenance of maximum theoretical packet rate
3116882192High-speed data buffer
3126879646Quadrature amplitude modulation demodulator and receiver
3136879623Method and apparatus for timing recovery in a communication device
3146870879Interpolation filter circuit
3156868127Signal receiving circuit and signal receiving method
3166865234Pair-swap independent trellis decoder for a multi-pair gigabit transceiver
3176865189Minimal latency serial media independent interface to media independent interface converter
3186856655Timing recovery device and method for telecommunications systems
3196853695System and method for deriving symbol timing
3206850576Method and apparatus for reproducing timing, and a demodulating apparatus that uses the method and apparatus for reproducing timing
3216847694Method for determining the sampling phase and method for synchronization word detection using the phase detection method
3226845134Arrangement for receiving a digital signal from a transmission medium
3236839860Capture clock generator using master and slave delay locked loops

2004

3246836511Apparatus for processing a reproduced digital signal
3256834255Timing control means for automatic compensation of timing uncertainties
3266826390Receiver, transceiver circuit, signal transmission method, and signal transmission system
3276823029System for managing signals in different clock domains and a programmable digital filter
3286816684Method of generating a clock signal of exact phase from an optical input signal and optical receiver therefor
3296813723Method of compensating for delay between clock signals
3306810484Device and method for clock synchronization through extraction of data at frequency distinct from data rate of USB interface
3316807228Dynamic regulation of power consumption of a high-speed communication system
3326803970Digital television receiver with match filter responsive to field synchronization code
3336798856Automatic clock tuning method, automatic clock tuning control system and apparatus having automatic clock tuning function
3346795510Apparatus and method for symbol timing recovery
3356788749Erasure based instantaneous loop control in a data receiver
3366782058Device and method for interpolated signal resampling between sampling clock cycles
3376778620Method and an arrangement for preventing metastability
3386778602Multi-pair gigabit ethernet transceiver
3396775755Method and apparatus for coupling signals across different clock domains, and memory device and computer system using same
3406771725Multi-pair gigabit ethernet transceiver
3416771718Method for frequency error estimation
3426771713Data aided carrier phase tracking system for precoded continuous phase modulated signals
3436760574Two-dimensional signal detector with dynamic timing phase compensation
3446757348High-speed coordinated multi-channel elastic buffer
3456756819Synchronization circuit
3466753796Conversion circuit for burst signals referencing to various clocks and method for the same
3476747826Clock recovery apparatus
3486744837Clock switching circuit
3496744835Methods and apparatus for implementing an interpolation finite impulse response (FIR) filter for use in timing recovery
3506744833Data resynchronization between modules sharing a common clock
3516738608Frequency-timing control loop for wireless communication systems
3526738442Pulse detection and synchronization system
3536738419Dynamic regulation of power consumption of a high-speed communication system
3546737859Dynamic register with IDDQ testing capability
3556731914Determination of transmitter distortion
3566731697Symbol timing recovery method for low resolution multiple amplitude signals
3576731691Multi-pair gigabit ethernet transceiver having adaptive disabling of circuit elements
3586725388Method and system for performing link synchronization between two clock domains by inserting command signals into a data stream transmitted between the two clock domains
3596724847Feed-forward symbol synchronizer and methods of operation therefor
3606724846Simple, high performance, bit-sliced mesochronous synchronizer for a source synchronous link
3616724683Transferring data between different clock domains
3626721916System and method for trellis decoding in a multi-pair transceiver system
3636714612Method and device for synchronization of phase mismatch in communication systems employing a common clock period
3646711222Method and apparatus for performing frequency synthesis in communication systems
3656708235Multi-modem implementation with host based and digital signal processor based modems
3666707868Apparatus for recovering timing of a digital signal for a transceiver
3676707848Demodulator for a multi-pair gigabit transceiver
3686704373Timing recovery circuit and method in automatic equalizer
3696690749High speed encoding and decoding apparatus and method for analog subscriber connections
3706690201Method and apparatus for locating data transition regions
3716687292Timing phase acquisition method and device for telecommunications systems
3726680988Non-linear extraction circuit and clock extraction circuit
3736680982Jitter-tolerant signal receiver and method of designing the same
3746674822Searching the optimal sampling instant in a TDMA packet transmission system

2003

3756671753Elastic interface apparatus and method therefor
3766671334Measurement receiver demodulator
3776671325Wireless infrared digital audio system
3786671244Information detecting circuit including adaptive equalizer and reproducing apparatus
3796665359Digital data separator
3806662000Synchronisation method and device for a communication receiver
3816661727Dynamic register with low clock rate testing capability
3826658242TDMA wireless telephone system with independently tracked demodulation parameters
3836658073Method and system for reducing jitter on constant rate data transfer between asynchronous systems
3846654413Phase synchronization method for extended partial response, and phase synchronization circuit and read channel circuit using this method
3856650699Methods and apparatus for timing recovery from a sampled and equalized data signal
3866647444Data synchronization interface
3876646991Multi-link extensions and bundle skew management
3886636575Cascading PLL units for achieving rapid synchronization between digital communications systems
3896628736Estimating the optimal sampling instant in a TDMA packet transmission system
3906624766Recovery and transmission of return-to-zero formatted data using non-return-to-zero devices
3916624668Digitally programmable phase-lock loop for high-speed data communications
3926618458Method and apparatus for signal receiving synchronization
3936603368High data rate vector demodulator
3946603336Signal duration representation by conformational clock cycles in different time domains
3956600793Minimal overhead early late timing recovery
3966600778Method and apparatus for VSB symbol sync recovery
3976594329Elastic buffer
3986594325Circuitry, architecture and method(s) for synchronizing data
3996593805Demodulation apparatus
4006590948Parallel asynchronous sample rate reducer
4016590872Receiver with parallel correlator for acquisition of spread spectrum digital transmission
4026584536Bus transaction accelerator for multi-clock systems
4036584162Method and apparatus sample rate conversions in an analog to digital converter
4046584145Sample rate converter
4056581114Method and system for synchronizing serial data
4066580773Method and device for aligning synchronous digital signals
4076577685Programmable digital signal processor for demodulating digital television signals
4086567489Method and circuitry for acquiring a signal in a read channel
4096567480Method and apparatus for sampling timing adjustment and frequency offset compensation
4106563897Multirate symbol timing recovery circuit
4116563894Method and apparatus for acquiring and tracking the sampling phase of a signal
4126563333Dynamic register with IDDQ testing capability
4136560716System for measuring delay of digital signal using clock generator and delay unit wherein a set of digital elements of clock generator identical to a set of digital elements of delay unit
4146560276Synchronization techniques using an interpolation filter
4156560053Clock recovery apparatus
4166556633Timing recovery for data sampling of a detector
4176553087Interpolating bandpass filter for packet-data receiver synchronization
4186549595High-speed serial data communication system
4196549593Interface apparatus for interfacing data to a plurality of different clock domains
4206545532Timing recovery circuit in a QAM demodulator
4216535946Low-latency circuit for synchronizing data transfers between clock domains derived from a common clock
4226535565Receiver rate converter phase calculation apparatus and method
4236532259Equalization method and apparatus with gain adjustment for direct access storage device (DASD) data channels
4246529886Authenticating method for an access and/or payment control system
4256529570Data synchronizer for a multiple rate clock source and method thereof
4266529549System and method for an equalizer-based symbol timing loop
4276526106Synchronous circuit controller for controlling data transmission between asynchrous circuit
4286525577Apparatus and method for reducing skew of a high speed clock signal
4296519301Circuits, systems, and methods for passing request information across differing clock domains
4306516420Data synchronizer using a parallel handshaking pipeline wherein validity indicators generate and send acknowledgement signals to a different clock domain
4316516036Method and apparatus for decimating an oversampled signal
4326512473Clock synchronizing circuit
4336510182Wireless infrared digital audio system

2002

4346501811Sampling system
4356499087Synchronous memory sharing based on cycle stealing
4366498568Pipeline communication system
4376493396Phase shift key burst receiver having improved phase resolution and timing and data recovery
4386487263Decoding of a biphase modulated bitstream and relative self-synchronizing frequency divider with noninteger ratio
4396487262Synchronization and downconversion in TDM/TDMA systems
4406477215Sampling control loop for a receiver for digitally transmitted signals
4416477200Multi-pair gigabit ethernet transceiver
4426477199Dynamic regulation of power consumption of a high-speed communication system
4436477177Multiple device access to serial data stream
4446473439Method and apparatus for fail-safe resynchronization with minimum latency
4456473131System and method for sampling an analog signal level
4466467043Adjusting and measuring the timing of a data strobe signal with a first delay line and through additional delay line adapted to receive pulse signal
4476466589Apparatus for verifying data integrity and synchronizing ATM cell data format for processing
4486463110Timing synchronization in a communication device
4496462851Network and method for transmitting reverse analog signals by sub-sampling the digital reverse bandwidth
4506462594Digitally programmable phase-lock loop for high-speed data communications
4516459746Multi-pair gigabit ethernet transceiver
4526459730Apparatus for, and method of, processing signals transmitted over a local area network
4536456552Dynamic register with low clock rate testing capability
4546452948Method for baud-clock phase synchronization in a TDMA digital communications system and apparatus therefor
4556442223Method and system for data transfer
4566438567Method for selective filtering
4576434684Method and apparatus for coupling signals across different clock domains, and memory device and computer system using same
4586433600Method and apparatus for glitch protection for input buffers in a source-synchronous environment
4596430235Non-data-aided feedforward timing synchronization method
4606424688Method to transfer data in a system with multiple clock domains using clock skipping techniques
4616424189Apparatus and system for multi-stage event synchronization
4626418176Forwarded clock recovery with variable latency
4636414990Timing recovery for a high speed digital data communication system based on adaptive equalizer impulse response characteristics
4646411650PLL control method in data receiving apparatus
4656411117Dynamic register with IDDQ testing capability
4666400770High speed encoding and decoding methods for analog subscriber connections
4676400646Method for compensating for remote clock offset
4686396888Digital data transmission system
4696389064Modems, methods, and computer program products for identifying a signaling alphabet in variance with an ideal alphabet due to digital impairments
4706385263Method and apparatus for accomplishing high bandwidth serial communication between semiconductor devices
4716381291Phase detector and method
4726377634Circuit for reproducing bit timing and method of reproducing bit timing
4736374312System for dedicating a host processor to running one of a plurality of modem programs and dedicating a DSP to running another one of the modem programs
4746373911Bit synchronization circuit
4756373900Multi-pair transceiver decoder system with low computation slicer
4766370600Staging buffer for translating clock domains when source clock frequency exceeds target clock frequency
4776370200Delay adjusting device and method for plural transmission lines
4786366629Method of estimating timing phase and rate offsets in digital data
4796363129Timing recovery system for a multi-pair gigabit transceiver
4806359943Asynchronous data receiving circuit and method
4816356609Method of transmitting a coded control signal between asynchronous assemblies
4826346836Synchronizing stage
4836341147Maximum likelihood symbol timing estimator
4846335955Connection, system and method of phase delayed synchronization in high speed digital systems using delay elements
4856335949Non-linear signal receiver

2001

4866334163Elastic interface apparatus and method therefor
4876329858Control method and control system for signal transmission
4886324225Timing recovery for data sampling of a detector
4896314499Non-preemptive memory locking mechanism in a shared resource system
4906314485Automatic status register
4916314148Synchronization tracking method
4926314145Tracking carrier timing
4936314133Automatic equalizer capable of surely selecting a suitable sample timing a method for generating sampling clock used for the sample timing and a recording medium usable in control of the automatic equalizer
4946307905Switching noise reduction in a multi-clock domain transceiver
4956295325Fixed clock based arbitrary symbol rate timing recovery loop
4966295290Telecommunications systems
4976289047Dynamic regulation of power consumption of a high-speed communication system
4986288656Receive deserializer for regenerating parallel data serially transmitted over multiple channels
4996285724Receiving apparatus for decoding serial signal into information signal and communication system with the receiving apparatus
5006285722Method and apparatus for variable bit rate clock recovery
5016285403Data slice circuit for slicing data carried on a video signal and a method thereof
5026282248Variable baud rate demodulator
5036279066System for negotiating access to a shared resource by arbitration logic in a shared resource negotiator
5046279048System wake-up based on joystick movement
5056278741Timing recovery circuit in QAM modems
5066275948Processor powerdown operation using intermittent bursts of instruction clock
5076275548Timing recovery system
5086275519Frame synchronization in a digital communications system
5096272192Method and apparatus for transmit timing adjustment in a host-processor-based modem
5106272186Normal burst acquisition system for use in a cellular communications network
5116272173Efficient fir filter for high-speed communication
5126269136Digital differential analyzer data synchronizer
5136269128Clock recovery control in differential detection
5146268767Dual bit error rate estimation in a QAM demodulator
5156266751Continuously sliding window method and apparatus for sharing single-ported memory banks between two agents
5166266377Method of timing recovery convergence monitoring in modems
5176266365CDMA receiver
5186266172Signal bit rate and performance measurement for optical channel signals
5196263034Circuit and technique for digital reduction of jitter transfer
5206263032Phase detector estimator
5216263013Fast tracking of PN synchronization in a direct-sequence spread-spectrum digital communications system
5226262998Parallel data bus integrated clocking and control
5236256337Rapid acquisition of PN synchronization in a direct-sequence spread-spectrum digital communications system
5246256335Slow tracking of PN synchronization in a direct-sequence spread-spectrum digital communications system
5256253345System and method for trellis decoding in a multi-pair transceiver system
5266252919Re-synchronization of independently-clocked audio streams by fading-in with a fractional sample over multiple periods for sample-rate conversion
5276252904High-speed decoder for a multi-pair gigabit transceiver
5286249557Apparatus and method for performing timing recovery
5296249544System and method for high-speed decoding and ISI compensation in a multi-pair transceiver system
5306249180Phase noise and additive noise estimation in a QAM demodulator
5316249179Direct digital synthesis in a QAM demodulator
5326246733Synchronous interface for asynchronous data detection channels
5336246276Clock signal cleaning circuit
5346240483System for memory based interrupt queue in a memory of a multiprocessor system
5356233294Method and apparatus for accomplishing high bandwidth serial communication between semiconductor devices
5366233284High speed communications system for analog subscriber connections
5376233275High speed communications system for analog subscriber connections
5386230215On-demand transfer engine
5396229862Selective clock recovery from portions of digital data signal best suited therefor
5406226726Memory bank organization correlating distance with a memory map
5416226661Generation and application of sample rate conversion ratios using distributed jitter
5426226332Multi-pair transceiver decoder system with low computation slicer
5436225926Intermittent digital demodulation apparatus having reduced waiting time period
5446222893Synchronizing circuit
5456219384Circuit for determining clock propagation delay in a transmission line
5466212246Symbol-quality evaluation in a digital communications receiver
5476212119Dynamic register with low clock rate testing capability
5486208481Gain and phase constrained adaptive equalizing filter in a sampled amplitude read channel for magnetic recording
5496205192Clock input control circuit
5506201831Demodulator for a multi-pair gigabit transceiver
5516198700Method and apparatus for retiming test signals
5526192091Circuit for reproducing a clock from a multilevel QAM signal
5536189076Shared synchronous memory with a switching circuit controlled by an arbiter and method for glitch free switching of a clock signal
5546185261Determination of transmitter distortion
5556178214Synchronizing system capable of certainly executing synchronizing operation
5566178212Retiming circuit and method for performing retiming
5576178198Apparatus for, and method of, processing signals transmitted over a local area network
5586175603System for managing signals in different clock domains and a programmable digital filter
5596175591Radio receiving apparatus
5606175257Integrated circuit comprising a master circuit working at a first frequency to control slave circuits working at a second frequency

2000

5616163831Minimum refractory period in a multiple agent resource sharing environment
5626163584Synchronization element for converting an asynchronous pulse signal into a synchronous pulse signal
5636163550State dependent synchronization circuit which synchronizes leading and trailing edges of asynchronous input pulses
5646163545System and method for data transfer across multiple clock domains
5656161160Network interface device architecture for storing transmit and receive data in a random access buffer memory across independent clock domains
5666160443Dual automatic gain control in a QAM demodulator
5676157652Hub port with constant phase
5686154510Symbol timing recovery based on adjusted, phase-selected magnitude values
5696148037Sampling timing phase error detector for VSB modulation signal
5706144709Method of detecting a call set-up burst, and a receiver
5716141378Fractionally-spaced adaptively-equalized self-recovering digital receiver for amplitude-phase modulated signals
5726138244Timing recovery with minimum jitter movement
5736137851System and method for synchronizing a signal with respect to another signal
5746134285Asynchronous data receiving circuit and method
5756130920Method and apparatus for accurate synchronization using symbol decision feedback
5766130577Digital demodulators for phase modulated and amplitude-phase modulated signals
5776130566Digital wave shaping circuit, frequency multiplying circuit, and external synchronizing method, and external synchronizing circuit
5786128357Data receiver having variable rate symbol timing recovery with non-synchronized sampling
5796128319Hybrid interface for packet data switching
5806122697System for extending the width of a data bus
5816122693PCI bus utilization diagnostic monitor
5826118833Fast acquisition method for obtaining data from a transmission channel and a data receiver for carrying out this method
5836118393EFM signal frame period detecting circuit, and system for controlling the frequency of the bit synchronizing clock signal used for reproducing the EFM signal
5846115433Adaptively-equalized digital receiver with carrier tracking
5856112307Method and apparatus for translating signals between clock domains of different frequencies
5866111922Circuit for detecting word sequences in a modem
5876111920Method and system for timing recovery in a baud-rate sampled data stream
5886104774Digital wave shaping circuit, frequency multiplying circuit, and external synchronizing method, and external synchronizing circuit
5896104769Method and apparatus for acquiring and tracking the sampling phase of a signal
5906101230Sampling clock signal recovery device and method in receiving terminal of DMT system
5916097775Method and apparatus for synchronously transferring signals between clock domains
5926097769Viterbi detector using path memory controlled by best state information
5936097224Digital wave shaping circuit, frequency multiplying circuit, and external synchronizing method, and external synchronizing circuit
5946088386Transmitter with phase rotor, modulator/demodulator, communication system and method performed thereby
5956087867Transaction control circuit for synchronizing transactions across asynchronous clock domains
5966085351Synchronization method
5976084447Pulse discriminating clock synchronizer for logic derived clock signals with synchronous clock suspension capability for a programmable device
5986081527Asynchronous transfer scheme using multiple channels
5996079035Parallel data skew detecting circuit
6006075408OQPSK phase and timing detection
6016066970Circuit for producing clock pulses from an inputted base band signal
6026061406Multichannel time shared demodulator and method
6036058150Method and apparatus for combined timing recovery, frame synchronization and frequency offset correction in a receiver
6046057730Digital demodulator
6056055284Symbol timing recovery circuit in digital demodulator
6066055119Adaptive signal processing method and circuit for a digital recording/reproducing apparatus
6076049575Digital communications system comprising a receiver that includes a timing recovery device
6086038264Data receiving apparatus
6096034998Method of and apparatus for detecting phase
6106028902Clock phase detecting circuit
6116016066Method and apparatus for glitch protection for input buffers in a source-synchronous environment

1999

6126005730Signal error generating circuit for an analog signal processing channel
6136005729Analog signal processing circuit with integrated gain and timing error signal processing
6146002730Method for detecting data and device therefor of data storing unit
6156002712Timing phase control apparatus and timing phase control method
6166002710Timing recovery for a pseudo-random noise sequence in a direct-sequence spread-spectrum communications system
6176002709Verification of PN synchronization in a direct-sequence spread-spectrum digital communications system
6186002274Oversampled state machine for jitter tolerant pulse detection
6195999355Gain and phase constrained adaptive equalizing filter in a sampled amplitude read channel for magnetic recording
6205995563System and method for fast channel switching in a satellite receiver
6215991347Symbol timing recovery circuit for a base band communication system using a plurality of channels
6225990813Method and apparatus for synchronizing external data to an internal timing signal
6235987083Signal transmission apparatus with a plurality of LSIS
6245987081Method and apparatus for a testable high frequency synchronizer
6255987077Method of synchronizing a digital signal receiver
6265982826Synchronous clock regeneration system for generating a clock waveform at a specified frequency
6275974102Synchronizing circuit
6285970093Fractionally-spaced adaptively-equalized self-recovering digital receiver for amplitude-Phase modulated signals
6295966413Digital demodulator and method of operation
6305966408Method and device for regenerating by maxima detection, a clock signal punctuating the transmission of received digitized signals
6315959563Analogue to digital converter with adaptive sample timing based on statistics of sample values
6325956374Jitter suppressing circuit
6335953521Data-pattern induced skew reducer
6345952857Semiconductor integrated circuit achieving reliable data latching
6355949266Enhanced flip-flop for dynamic circuits
6365943369Timing recovery system for a digital signal processor
6375942994Method and device for decoding a multivalent electrical signal and receiver comprising such a decoding device
6385940449Signal processing system for digital signals
6395940437System and method for reducing the peak load on the processor of a block processing modem
6405940435Method for compensating filtering delays in a spread-spectrum receiver
6415933467Multirate receive device and method using a single adaptive interpolation filter
6425933452Timing interpolator in digital demodulator
6435933433Method and system for reception timing control
6445933053Burst demodulator
6455930231Block spectrum receiver for a broadband communications system
6465929676Asynchronous pulse discriminating synchronizing clock pulse generator for logic derived clock signals for a programmable device
6475920577Digital signal processing method and apparatus
6485920220Clock timing recovery methods and circuits
6495919265Source synchronization data transfers without resynchronization penalty
6505909563Computer system including an interface for transferring data between two clock domains
6515909332Sampled amplitude read channel employing interpolated timing recovery
6525905391Master-slave delay locked loop for accurate delay or non-periodic signals
6535898741Delayed detection MRC diversity circuit
6545892803Determination of symbol sample timing using soft decisions
655589279212-chip coded spread spectrum modulation for direct conversion radio architecture in a digital cordless telephone
6565892632Sampled amplitude read channel employing a residue number system FIR filter in an adaptive equalizer and in interpolated timing recovery
6575892474Clock phase acquisition/tracking device and phase acquisition method
6585881110Carrier phase synchronization by reverse playback
6595878097Signal processing delay circuit
6605878096Digital filter having phase-adjustment ability
6615878088Digital variable symbol timing recovery system for QAM
6625872959Method and apparatus for parallel high speed data transfer
6635872818Apparatus for recovering full digital symbol timing
6645870594Data transfer system and method
6655870446Mechanism for automatically adjusting the phase of a transmission strobe clock signal to correct for misalignment of transmission clock and data signals
6665867695Method and system for reduced metastability between devices which communicate and operate at different clock frequencies
6675867542Clock phase detecting circuit and clock regenerating circuit each arranged in receiving unit of multiplex radio equipment
6685862191Digital communications receiver that includes a timing recovery device
6695859872High speed communications system for analog subscriber connections
6705857095Method for aligning a control signal and a clock signal
6715857005Method and apparatus for synchronizing transfer of data between memory cells

1998

6725854717Self-synchronization in a magnetic recording channel utilizing time-domain equalization
6735852640Clock distribution apparatus with current sensed skew cancelling
6745852525Automatic clock signal phase adjustment in which a pattern including 0's is detected and integrated to effect the phase adjustment
6755838744High speed modem and method having jitter-free timing recovery
6765835541Sampling phase synchronizing apparatus and bidirectional maximum likelihood sequence estimation scheme therefore
6775835538High speed communications system for analog subscriber connections
6785832046Timing tracking in communications systems
6795832045Method and apparatus for recovering baud timing from correlation of intersymbol interference
6805832039Data processing circuit
6815825818Apparatus and method of recovering a timing signal in a transmission apparatus by adjusting tap coefficients
6825825211Oversampled state machine for jitter tolerant pulse detection
6835819076Memory controller with low skew control signal
6845818886Pulse synchronizing module
6855818371Coherent synchronization and processing of pulse groups
6865812608Method and circuit arrangement for processing received signal
6875812508Digital bit signal detection circuit for reproducing optical data
6885809086Intelligent timing recovery for a broadband adaptive equalizer
6895809075High speed communications system for analog subscriber connections
6905805646Synchronization method, and associated circuitry, for improved synchronization of a receiver with a transmitter using early-late testing during coarse synchronization
6915805619Method and apparatus for sampled-data partial-response signal timing error detector having zero self-noise
6925802358Digital audio data phase shifting apparatus
6935801695High speed communications system for analog subscriber connections
6945799190Communications coprocessor for realizing bidirectional isochronous communications link with host computer
6955793821Timing Recovery using group delay compensation
6965793804System and method for reducing the peak load on the processor of a block processing modem
6975784416Method and apparatus for detection of a communication signal
6985781587Clock extraction circuit
6995778032Data reproducing method and data reproducing unit
7005768323Symbol synchronizer using modified early/punctual/late gate technique
7015764710Meta-stable-resistant front-end to a synchronizer with asynchronous clear and asynchronous second-stage clock selector
7025764102Multi-stage symbol synchronization
7035760984Cost reduced interpolated timing recovery in a sampled amplitude read channel
7045754352Synchronous read channel employing an expected sample value generator for acquiring a preamble
7055748018Data transfer system for an integrated circuit, capable of shortening a data transfer cycle
7065745534Method and apparatus for data communication
7075737589Data transfer system and method including tuning of a sampling clock used for latching data
7085726818Magnetic disk sampled amplitude read channel employing interpolated timing recovery for synchronous detection of embedded servo data
7095724396Signal processing system
7105719867Plural telephony channel baseband signal demodulator for a broadband communications system
7115717619Cost reduced time varying fir filter

1997

7125703905Multi-channel timing recovery system
7135699487Artificial neural network read channel
7145696800Dual tracking differential manchester decoder and clock recovery circuit
7155696793Phase difference detection circuit for extended partial-response class-4 signaling system
7165696639Sampled amplitude read channel employing interpolated timing recovery
7175692165Memory controller with low skew control signal
7185687198Channel estimation in a communication system
7195684839Apparatus for adjusting sample points based upon measured intersymbol interference
7205684833Mutual conversion method of binary data and multilevel signal, its communication method, and its receiving device
7215682125Adaptive analog transversal equalizer
7225675612Method and apparatus for timing recovery
7235671257Symbol timing recovery based on complex sample magnitude
7245659586Digital timing recovery circuit including a loop filter having a varying band width
7255654991Fast acquisition bit timing loop method and apparatus
7265651033Inter-system data communication channel comprised of parallel electrical conductors that simulates the performance of a bit serial optical communications link
7275651031Clock recovery circuit of demodulator
7285650954Frequency and time domain adaptive filtration in a sampled communication channel
7295648991Sampling phase synchronizing apparatus and bidirectional maximum likelihood sequence estimation scheme therefore
7305648987Rapid-update adaptive channel-equalization filtering for digital radio receivers, such as HDTV receivers
7315644604Digital phase selector system and method
7325642387Bit synchronization method and circuit
7335642243Timing recovery frequency error detector for sampled amplitude magnetic recording
7345640426Clock recovery circuit of demodulator
7355638409Data receiving device for reproducing a received symbol from a received data signal
7365636254Signal processing delay circuit
7375634041Rationally clocked communication interface
7385625650Synchronous adder device
7395625649Clock recovery circuit of demodulator
7405619542Device and method for efficient timing estimation in a digital receiver
7415619541Delay line separator for data bus
7425619507Method and apparatus for establishing and maintaining frame synchronization in a satellite communication system
7435615060Automatic clock signal phase adjusting circuit utilizing level detector and pattern detector
7445615059Automatic clock signal phase adjusting circuit
7455612975Digital receiver for variable data rate communications
7465612956Reformatting of variable rate data for fixed rate communication
7475604745TDMA mobile telephone apparatus
7485604741Ethernet system
7495602879Clock recovering circuit for digital demodulator
7505602878Method of delivering stable data across an asynchronous interface
7515598552Error free data transfers
7525598442Self-timed parallel inter-system data communication channel
7535598439Method and apparatus for symbol clock phase recovery
7545592340Communication channel with adaptive analog transversal equalizer

1996

7555590140Clock recovery extrapolation
7565588025Single oscillator compressed digital information receiver
7575586149Interference dependent adaptive phase clock controller
7585581585Phase-locked loop timing recovery circuit
7595576904Timing gradient smoothing circuit in a synchronous read channel
7605574450Synchronization adder circuit
7615570396Transmission system comprising receiver with improved timing means
7625566213Selective call receiving device with improved symbol decoding and automatic frequency control
7635563888Carrier offset tracking for a receiver using channel impulse response
7645557647Baseband signal demodulator
7655550878Phase comparator
7665550862Method and apparatus for centering equalizer taps
7675548622Method and structure for synchronization of asynchronous signals
7685541958Clock recovery circuit of demodulator
7695539782Digital data receiver
7705537419Receiver sample timing adjustment using channel impulse response
7715535377Method and apparatus for low latency synchronization of signals having different clock speeds
7725535343Method and apparatus for generating write signals
7735535252Clock synchronization circuit and clock synchronizing method in baseband demodulator of digital modulation type
7745533050System for receiving a phase and amplitude modulated digital signal
7755530727Half synchronizer circuit interface system
7765528634Trajectory directed timing recovery
7775526200Clock reproducing apparatus and data reproducing apparatus utilizing weighting-adding of samples
7785524126Symbol timing recovery using fir data interpolators
7795524026Method and apparatus for judging timing phase of modem which is used in data communication
7805522048Low-power area-efficient and robust asynchronous-to-synchronous interface
7815519389Signal synchronized digital frequency discriminator
7825517526Timing recovery device in a receiver circuit for modems
7835517524Method of and apparatus for automatic equalizing filter
7845517521Method and apparatus for synchronization between real-time sampled audio applications operating full-duplex over a half-duplex radio link
7855515389Timing signal extracting circuit suitable for CMI signals
7865513209Resampling synchronizer of digitally sampled signals
7875511091Clock synchronization control check system
7885509038Multi-path data synchronizer system and method
7895504785Digital receiver for variable symbol rate communications
7905504751Method and apparatus for extracting digital information from an asynchronous data stream
7915502752Clock rate matching in independent networks
7925500877Receiver for a superpose modulated signal
7935500874Digital filtering, data rate conversion and modem design
7945500620Timing recovery for digital demodulation
7955499273Method and apparatus for symbol clock recovery from signal having wide frequency possibilities
7965495203Efficient QAM equalizer/demodulator with non-integer sampling
7975493570End of packet detector and resynchronizer for serial data buses
7985490174Digital data receiver
7995488639Parallel multistage synchronization method and apparatus
8005488638Clock recovery method and apparatus in a diversity receiver
8015487092System for high-speed synchronization across clock domains
8025485113Jitter-compensated sampling phase control apparatus
8035483648Circuit for determining the arrival times of control signals supplied to microprocessors
8045481568Data detecting apparatus using an over sampling and an interpolation means

1995

8055471501Enhanced digital communications receiver using channel impulse estimates
8065467232Magnetic recording and reproducing method using phase discrimination and apparatus therefor
8075465059Method and apparatus for timing acquisition of partial response class IV signaling
8085459757Timing and gain control circuit for a PRML read channel
8095452323Simple asynchronous data synchronizer to a faster clock
8105450457Sampling phase extracting circuit
8115448201Clock recovery circuit in .pi./4 shift quadriphase PSK demodulator
8125446727Method and apparatus for time aligning signals for reception in a code-division multiple access communication system
8135440594Method and apparatus for joint optimization of transmitted pulse shape and receiver timing in digital systems
8145434804Method and apparatus for synchronizing a JTAG test control signal to an on-chip clock signal
8155432818Method and apparatus of joint adaptive channel encoding, adaptive system filtering, and maximum likelihood sequence estimation process by means of an unknown data training
8165426671Transmission system comprising receiver with improved timing means
8175425057Phase demodulation method and apparatus using asynchronous sampling pulses
8185422917Frequency offset estimation using the phase rotation of channel estimates
8195412698Adaptive data separator
8205412697Delay line separator for data bus
8215404379Timing recovery method and system
8225402453Apparatus and method for reliably clocking a signal with arbitrary phase
8235400340End of packet detector and resynchronizer for serial data buses
8245398237Acquisition and tracking of independent quadrature modulated bitstreams
8255394437High-speed modem synchronized to a remote CODEC
8265386436Synchronization system for use in digital transmission system
8275384552Clock recovery circuit for extracting clock information from a received baseband signal

1994

8285375147Jitter compensating device
8295369673Framed digital signal regenerator suitable for microwave digital transmission installations
8305369672Interface circuit capable of performing exact data transfer
8315357613Time-domain boundary buffer method and apparatus
8325353312Equalizer-based timing recovery
8335353307Automatic simulcast alignment
8345345472Method and apparatus for receiving and decoding communication signals in a CDMA receiver
8355343502Symbol timing detecting circuit
8365343498Sample timing selection and frequency offset correction for U.S. digital cellular mobile receivers
8375331669Asynchronous pulse converter
8385325318Variable rate digital filter
8395319678Clocking system for asynchronous operations
8405319321Digital PLL circuit
8415317600Coarse tuning of the channel frequency
8425309484Method and apparatus for asynchronous timing recovery using interpolation filter
8435309482Receiver having an adjustable matched filter
8445305354Aborting synchronizer
8455297185Pattern detection and synchronization circuit
8465297162System and method for bit timing synchronization in an adaptive direct sequence CDMA communication system
8475291529Handshake synchronization system
8485291523Viterbi receiver with improved timing means
8495291522Device and method for estimating sampled value of impulse response and signal reproduction system using the device
8505285482Timing recovery device for receiver installation using adaptive equalization and oversampling associated with differentially coherent demodulation
8515283811Decision feedback equalization for digital cellular radio
8525282228Timing and automatic frequency control of digital receiver using the cyclic properties of a non-linear operation
8535280539Synchronous circuit for serial input signal
8545280501Data bit synchronization
8555278865Timing recovery scheme for a transceiver using a single sample clock source for transmitting and receiving signals
8565276711Receiver for a data signal which includes data symbols occurring at a given Baud rate

1993

8575274628Multisignal synchronizer with shared last stage
8585272391Synchronizing circuit
8595267264Synchronization and matching method for a binary baseband transmission system
8605264937Apparatus for time division multiplexed processing of frequency division multiplexed signals
8615263026Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver
8625260976Preamble recognition and synchronization detection in partial-response systems
8635258933Timing control for PRML class IV sampling data detection channel
8645255292Method and apparatus for modifying a decision-directed clock recovery system
8655251238Circuit arrangement and method for the regeneration and synchronization of a digital signal
8665245635Clock recovery circuit for Manchester encoded data
8675243626Method for clocks synchronization for receiving pulse position encoded signals
8685235622Clock recovery circuit with open-loop phase estimator and wideband phase tracking loop
8695230012Process and circuit arrangement for digital control of the frequency and/or phase of scanning clock pulses
8705228057Method of determining sampling time points
8715227787Digital data converting system
8725199046First and second digital rate converter synchronization device and method
8735191596Apparatus and method for timing recovery in the reception of base band digital signals
8745182749Receiver for recovering data in a forward and reverse direction in time

1992

8755173663Demodulation circuit enabling independent recovery of the carrier and sampling timing
8765163066Synchronizing the operation of multiple equilizers in a digital communications system
8775159609Data receiving device with delayed equalization and retroactive time-pulse recovery
8785157698Method for clock pulse synchronization
8795155745Synchronizer for asynchronous computer command data
8805140620Method and apparatus for recovering data, such as teletext data encoded into television signals
8815132990High speed data synchronizer
8825123033Extraction of an exact symbol rate as applied to bandwidth compression of modem signals through demodulation and remodulation
8835115208PLL clock signal regenerator using a phase correlator
8845103466CMOS digital clock and data recovery circuit
8855097488Transmission apparatus and method
8865093846Signal acquisition using modulation by a preselected code group

1991

8875073906Synchronization word detection apparatus
8885073904Digital signal processing type demodulation method and demodulation circuit
8895065412Process and circuit arrangement for digital control of the phase of scanning clock pulses
8905058140Self-correcting serial baud/bit alignment
8915056121Circuit for obtaining accurate timing information from received signal
8925050167Timing extraction in multiplexed multichannel high speed fiber optic transmission system
8935048060Digital signal receiving circuit with means for controlling a baud rate sampling phase by a power of sampled signals
8945045801Metastable tolerant asynchronous interface
8955040192Method and apparatus for optimally autocorrelating an FSK signal
8965025458Apparatus for decoding frames from a data link
8975020078Baudrate timing recovery technique
8985018166Method and apparatus for baud timing recovery
8995014270Device for synchronizing a pseudo-binary signal with a regenerated clock signal having phase jumps
9005003559Digital transmission system
9014998264Method and apparatus for recovering data, such as teletext data encoded into television signals
9024995031Equalizer for ISDN-U interface
9034989221Sample rate converter
9044983975A/D converter

1990

9054979190Method and apparatus for stabilized data transmission
9064977580Timing and carrier recovery in TDMA without preamble sequence
9074975927Demodulator with composite transversal equalizer and eye detection clock synchronizer
9084973860Circuit for synchronizing an asynchronous input signal to a high frequency clock
9094965814Synchronizer for establishing synchronization between data and clock signals
9104964118Apparatus and method for echo cancellation
9114959845Receiver of a system for transmitting data symbols at a given baud-rate
9124956853Method of servo-controlling the instant of regeneration in a digital transmission in which a carrier is modulated along two axes in quadrature, and apparatus for implementing the method
9134949361Digital data transfer synchronization circuit and method
9144949357Synchronizing circuit for offset quaternary phase shift keying
9154941155Method and circuitry for symbol timing and frequency offset estimation in time division multiple access radio systems
9164935942Data sampling architecture
9174931788Transponder and interrogator
9184928290Circuit for stable synchronization of asynchronous data
9194912726Decision timing control circuit
9204899366Tap rotation n fractionally spaced equalizer to compensate for drift due to fixed sample rate
9214896334Method and apparatus for timing recovery

1989

9224890299Fast timing acquisition for partial-response signalling
9234881059Manchester code receiver
9244878229Fast frame and phase synchronization apparatus
9254866739Digital fast recovery timing algorithm
9264866738Circuit and method for deriving the word timing of a pulse position modulated signal
9274862484Apparatus for clock recovery from digital data
9284856030Apparatus and methods of locking a receiving modem to a transmitting modem employing a burst signal
9294856029Technique for processing a digital signal having zero overhead sync
9304853943Manchester code clock and data recovery system
9314852090TDMA communications system with adaptive equalization
9324849998Rate synchronized symbol timing recovery for variable rate data transmission systems
9334849991Method and circuitry for determining symbol timing for time division multiple access radio systems
9344837782CMI decoder
9354818995Parallel transmission system
9364815103Equalizer-based timing recovery
9374811364Method and apparatus for stabilized data transmission
9384811282Retiming circuit for pulse signals, particularly for microprocessor peripherals
9394808970Decoding device for CMI code
9404807260Non high frequency clock dependent Manchester biphasic decoder and comparator
9414805197Method and apparatus for recovering clock information from a received digital signal and for synchronizing that signal
9424805191Modem with improved timing recovery using equalized data
9434803705Analog phase locked loop
9444797900Modem with improved clock control and method therefor
9454796253Time base converter employing two reference position phase lock loop

1988

9464794341Digital filters and demodulators
9474788696Decision timing control circuit
9484788605Receive Manchester clock circuit
9494775989Timing phase detector circuit
9504759036Decision-directed control circuit
9514757521Synchronization method and apparatus for a telephone switching system
9524752942Method and circuitry for extracting clock signal from received biphase modulated signal
9534746898Bi-phase decoder
9544745302Asynchronous signal synchronizing circuit
9554740965Asynchronous communications network
9564737952Time base converter employing two reference position phase lock loop
9574736386Carrier out-of-lock detector apparatus
9584727534Timing and carrier recovery in dual polarization communications systems
9594726043Data decision-directed timing and carrier recovery circuits

1987

9604707841Digital data receiver for preamble free data transmission
9614704721Real time network system
9624694469Method and device for timing pull-in of receiving equipment
9634692931Synchronization circuit capable of establishing synchronism even when a sampling rate is invariable
9644689790Method and apparatus for remote signalling on a digital transmission link
9654688232Decoder for Manchester encoded data
9664677647Synchronization of multichannel receiver based on higher quality channels
9674672329Clock generator for digital demodulators
9684669092Arrangement for receiving digital data comprising an arrangement for adaptive timing recovery
9694658217Timing signal extracting circuit
9704648133Synchronization tracking in pulse position modulation receiver
9714646173Converting and decoding receiver for digital data recorded in analog form on magnetic tape
9724644546Method of digital signal transmission

1986

9734631488QAM demodulator with distortion compensation
9744627080Adaptive timing circuit
9754607230Receiver unit having synchronous pull-in circuit
9764599723Method of encoding data for serial transmission
9774597089Single pulse fast learn modem
9784583238Synchronous data transmission system using a carrier modulated by an envelope of constant amplitude
9794580733Crushing apparatus for synthetic resin molded products
9804578800Synchronization circuit for a Viterbi decoder
9814575682Circuit for establishing accurate sample timing

1985

9824562581Digital signal transmitting and receiving system for serial data which can be easily decoded
9834558409Digital apparatus for synchronizing a stream of data bits to an internal clock
9844542517Digital serial interface with encode logic for transmission
9854538119Clock extraction circuit using an oscillator and phase-locked programmable divider
9864520492Method for determining the optimum sampling times for a QPSK or QAM received signal
9874511993Arrangement for reading out defined data from a digital switching device with mutually asynchronous control signals for sequential switching of the device and transfer of the data
9884507794Filtered Manchester Coded PSK transmission system
9894493093Zero overhead sync in data recording

1984

9904475220Symbol synchronizer for MPSK signals
9914472686Circuit for reproducing and demodulating modulated digital signals
9924455663Full duplex modems and synchronizing methods and apparatus therefor
9934455661Dual processor digital modem apparatus
9944453259Digital synchronization technique
9954445224Pull-in circuit for a digital phase locked loop
9964435825Clock signal extracting circuit
9974435687Clock signal recovery circuit
9984426714Clock signal derivation system

1983

9994423518Timing recovery circuit
10004416015Timing acquisition in voiceband data sets
10014411000Timing recovery technique
10024408333Data acquisition circuit
10034390985Device for the synchronization of digital data transmitted in packets
10044376309Method and apparatus for signal-eye tracking in digital transmission systems
10054373152Binary to one out of four converter

1982

10064360926Digital phase-locked loop
10074359770Bit buffer system
10084355398Real time clock recovery circuit
10094351061Method of phase synchronization in a synchronous data transmission system, and apparatus for carrying out the method
10104348769Circuitry for extraction of a transmission clock signal from-modulated data transmissions
10114344179Clock synchronizer and data detector
10124344176Time recovery circuitry in a modem receiver
10134334313Timing recovery technique
10144320527Bit synchronizing system for pulse signal transmission
10154320525Self synchronizing clock derivation circuit for double frequency encoded digital data
10164313206Clock derivation circuit for double frequency encoded serial digital data

1981

10174290139Synchronization of a data communication receiver with a received signal
10184285061Equalizer sample loading in voiceband data sets
10194276650Method of synchronizing a quadphase receiver and clock synchronization device for carrying out the method
10204272845Receiver for data-transmission system operating with single-sideband amplitude modulation
10214263671Sampling clock correction circuit
10224261054Real-time adaptive power control in satellite communications systems
10234254318Door seal arrangement for high-frequency heating apparatus
10244245345Timing acquisition in voiceband data sets

1980

10254239934Means and an apparatus for synchronizing an orthogonal diphase code receiver
10264234957Method and apparatus for generating timing phase error signals in PSK demodulators
10274218771Automatic clock positioning circuit for a digital data transmission system
10284218770Delay modulation data transmission system
10294215239Apparatus for the acquisition of a carrier frequency and symbol timing lock
10304213006Circuit arrangement for the coarse synchronization of carrier signals and pulse signals with data signals in a data receiver
10314207528Timing-phase control system for duobinary transmission
10324185273Data rate adaptive control device for Manchester code decoders

1979

10334163946Noise-immune master timing generator
10344146840Technique for obtaining symbol timing for equalizer weights
10354137427Synchronizing device for the receiver clock of a data transmission system using PSK modulation

1978

10364131854Switching circuit for regulating the repetition rate of clock pulses
10374119796Automatic data synchronizer
10384100495Adaptive method of and means for recovering digital signals
10394099023Method for the regulation of the phase of a timing signal in a data transmission system
10404080572Receiver and method for synchronizing and detecting coded waveforms
10414071827Transversal type automatic phase and amplitude equalizer

1977

10424061978Timing recovery for an automatically equalized data modem
10434039960Automatic phasing circuit to transfer digital data from an external interface circuit to an internal interface circuit
10444012697Clock signal extraction during playback of a self-clocking digital recording
10454012591Circuit arrangement for the phase control of a clock signal
10464010421Synchronization method for the recovery of binary signals
10474004226QAM receiver having automatic adaptive equalizer

1976

10483997772Digital phase shifter
10493990010Data transmission systems
10503971996Phase tracking network
10513969582System for automatic synchronization of blocks transmitting a series of bits
10523967061Method and apparatus for recovering data and clock information in a self-clocking data stream
10533961311Circuit arrangement for correcting slip errors in receiver of cyclic binary codes
10543942124Pulse synchronizing apparatus and method
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017