Patents
Patents for H04L 7 - Arrangements for synchronising receiver with transmitter (36,432)
09/1994
09/14/1994EP0615352A1 Radio telephone system using a variable length training sequence
09/14/1994EP0614582A1 Digital demodulator for preamble-less burst communications
09/14/1994CN1092231A Demodulator for consumer uses
09/13/1994US5347548 Circuit for simultaneous recovery of bit clock and frame synchronization
09/13/1994US5347547 Method and apparatus for synchronizing transmitter and receiver for high speed data communication
09/13/1994US5347542 Demodulation selection for a communication signal
09/13/1994US5347227 Clock phase adjustment between duplicated clock circuits
09/13/1994CA2021295C Polarity detector for subscriber lines
09/07/1994EP0614289A2 Transmission apparatus for round-trip satellite
09/07/1994EP0614283A1 Phase lock loop circuit using a sample and hold switch circuit
09/07/1994EP0614281A2 Digital high speed algorithmic data recovery method and apparatus
09/06/1994US5345472 Method and apparatus for receiving and decoding communication signals in a CDMA receiver
09/06/1994US5345451 Cyclic redundancy check operating method and a head error checker synchronizing unit in an asynchronous transfer mode switching process
09/06/1994CA2026323C Digital phase lock loop decoder
09/01/1994WO1994019885A1 Single-ended pulse gating circuit
09/01/1994WO1994019869A1 Resampling synchronizer of digitally sampled signals
08/1994
08/31/1994EP0613272A2 Resynchronization of asynchronous transfer mode (ATM) switch fabric
08/31/1994EP0613268A2 Clock recovery circuit in pi/4 shift quadriphase PSK demodulator
08/31/1994EP0613245A1 Digital phase shifter
08/31/1994EP0559671B1 Clock phase alignment
08/31/1994CN1091569A A dual mode radio communication unit
08/30/1994US5343503 Method and apparatus for clock and data delivery on a bus
08/30/1994US5343502 Symbol timing detecting circuit
08/30/1994US5343498 Sample timing selection and frequency offset correction for U.S. digital cellular mobile receivers
08/30/1994US5343497 Method and device for the synchronization between a base radio station and a mobile radio station in a digital radiomobile system
08/30/1994US5343495 Method of multipath dsss communications
08/30/1994US5343476 Transmission system for the synchronous digital hierarchy
08/25/1994DE4305244A1 Bit synchroniser for use in systems with very high clock rates
08/25/1994DE4304913A1 Method and device for synchronisation of a subscriber station of a network
08/24/1994EP0612167A2 Method and apparatus for accurately estimating a clock frequency and for simulating a precision clock oscillator
08/23/1994US5341427 Algorithm independent cryptographic key management apparatus
08/23/1994US5341405 Data recovery apparatus and methods
08/23/1994US5341404 Synchronizing circuit and method
08/23/1994US5341403 Means to avoid data distortion in clock-synchronized signal sampling
08/23/1994US5341395 Data recovery technique for asynchronous CDMA systems
08/23/1994US5341371 Communication interface
08/23/1994US5341365 Passive optical network
08/23/1994CA1331643C Scrambling/descrambling method using a memory for storing initial pseudo-random bit patterns respectively for submultiframes
08/19/1994CA2114408A1 Method and apparatus for accurately estimating a clock frequency and for simulating a precision clock oscillator
08/18/1994WO1994018752A1 Method and apparatus of adaptive maximum likelihood sequence estimation using a variable convergence step size
08/17/1994EP0610683A2 Digital timing recovery circuit
08/17/1994EP0610592A2 Demodulation circuit of communication control system
08/17/1994EP0515431B1 Process for radio transmission of a time-variant control signal and for receiving such a control signal
08/17/1994EP0515376B1 Process and device for beat recovery
08/16/1994US5339337 Permuted block synchronization
08/16/1994US5339185 Optical timing extraction circuit
08/16/1994CA2035112C Frame restructuration interface for digital streams obtained by time-division multiplexing of digital flows with different flow rates
08/10/1994CN1025647C Data transmission system receiver having phase-independent bandwidth control
08/09/1994US5337334 Synchronous digital signal to asynchronous digital signal desynchronizer
08/09/1994US5337332 Training detection apparatus
08/04/1994WO1994017604A1 Method and apparatus for transmission path delay measurements using adaptive demodulation
08/04/1994DE4323888C1 Clock recovery for transmission synchronisation
08/04/1994DE4302428A1 Video-audio coder and decoder
08/03/1994EP0609095A1 Digital filtering, data rate conversion and modem design
08/03/1994EP0608717A2 Phase error canceller for QPSK signals using unique word detectors
08/03/1994EP0608578A1 Synchronizing circuit
08/02/1994US5335348 Radio receiver having frequency sweep control apparatus
08/02/1994US5335223 Pointer processing circuit in sonet system
08/02/1994US5335074 Phase locked loop synchronizer for a resampling system having incompatible input and output sample rates
07/1994
07/28/1994DE3736105C1 Extracting periodic temporally-equidistant amplitude-sampled code signal
07/27/1994EP0608079A2 System for prevention of erroneous detection of synchronization in a data transmission system with forward error correction
07/27/1994EP0608024A1 Transmissionsystem with clock recovery
07/27/1994EP0607970A2 Digital mobile radio communication system
07/27/1994EP0607672A2 Asynchronous transfer mode (ATM) payload synchronizer
07/26/1994US5333197 System to prevent a scrambler from generating undesired symbols
07/26/1994US5333150 Demodulation and synchronization method and system for digitally modulated signals
07/26/1994US5333148 Data receiver
07/26/1994US5333136 Parallel data transferring and processing circuit
07/23/1994WO1994017618A1 Instantaneous phase sensitive detector and generator for clock reproducing signal installed in delay detector
07/23/1994CA2235945A1 Instantaneous phase detecting circuit and clock recovery signal generating circuit incorporated in differential demodulator
07/21/1994WO1994016512A1 Digital demodulator with frequency and timing control
07/21/1994WO1994016507A1 Delay line separator for data bus
07/21/1994WO1994016505A2 Psk demodulator
07/21/1994CA2113766A1 Transmission system comprising timing recovery
07/20/1994EP0606941A1 Apparatus for the synchronisation of a local carrier in OFDM systems
07/20/1994EP0606609A2 A frame phase synchronization apparatus and method and a phase synchronization apparatus for TDM frames
07/20/1994EP0606236A1 Simulcast synchronization and equalization system
07/20/1994EP0439539B1 Transmitter, transmission method and receiver
07/19/1994US5331670 Synchronization scheme for a digital communications system
07/19/1994US5331669 Asynchronous pulse converter
07/19/1994US5331639 Method and apparatus for frame phase conversion of signal having frame structure
07/13/1994EP0606163A2 Delay demodulator for burst-mode PSK-signals
07/12/1994US5329559 Phase detector for very high frequency clock and data recovery circuits
07/12/1994US5329558 Method of synchronizing a radio receiver with an incoming radio signal
07/12/1994US5329557 Digital data radio transmission system
07/12/1994US5329393 Optical Nyquist rate multiplexer and demultiplexer
07/12/1994US5329251 Multiple biasing phase-lock-loops controlling center frequency of phase-lock-loop clock recovery circuit
07/12/1994CA2103129A1 Asynchronous transfer mode (atm) payload synchronizer
07/07/1994WO1994015427A1 Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization
07/07/1994DE4343704A1 Mediumzugriffsprotokoll mit impliziten Zeichen ohne Kollisionserfassung Medium access protocol with implicit character without collision detection
07/06/1994EP0605188A2 Symbol and frame synchronization for a TDMA system
07/06/1994EP0605028A1 A method and a circuit for identifying the nominal frequency of a logic signal
07/06/1994EP0604811A2 Method and device for data recovery in burst mode communication systems
07/06/1994EP0604567A1 Method for coding and decoding a digital message
07/06/1994CN1025403C Digital transmission system, transmitter, receiver and record carrier
07/05/1994US5327581 Method and apparatus for maintaining synchronization in a simulcast system
07/05/1994US5327466 1X asynchronous data sampling clock
07/05/1994US5327436 Communication control system
07/05/1994US5327434 Frame alignment circuit
07/05/1994US5327430 Circuit arrangement for bit rate adaptation