Patents
Patents for H04L 7 - Arrangements for synchronising receiver with transmitter (36,432)
07/1989
07/11/1989US4847874 Clock recovery system for digital data
07/11/1989US4847872 Method and arrangement for synchronizing a receiver in digital transmission systems
07/11/1989US4847870 High resolution digital phase-lock loop circuit
07/11/1989US4847836 Circuit arrangement for synchronizing the units in the switching exchanges and repeaters of a time-division multiplex transmission system
07/11/1989US4847832 Time multiplexed data transmission system
07/11/1989US4847703 Data transmission and detection system
07/06/1989DE3742897A1 Circuit for gating out bits
07/05/1989EP0322766A2 Carrier recovery circuit for offset QPSK demodulators
07/04/1989US4845437 Synchronous clock frequency conversion circuit
06/1989
06/28/1989EP0321837A2 Data pattern synchronizer
06/27/1989US4843617 Apparatus and method for synchronizing a communication system
06/27/1989US4843489 Detection and verification of lapses or shifts of synch words in PCM data
06/27/1989CA1256515A1 Process and circuit to regenerate the significant instants of a periodic signal
06/21/1989EP0321021A2 Data demodulator baud clock phase locking
06/21/1989EP0320882A2 Demultiplexer system
06/21/1989EP0320637A2 Method and apparatus for correcting phase in an echo canceller system
06/20/1989US4841551 High speed data-clock synchronization processor
06/20/1989US4841549 Simple, high performance digital data transmission system and method
06/20/1989US4841548 Method and apparatus for extracting an auxiliary data clock from the clock and/or the clock-phase of a synchronous or plesiochronic digital signal
06/20/1989US4841524 Digital data multiple conversion system for converting data having a frequency to data having another frequency by a digital stuffing method
06/20/1989US4841520 Data transmission system with bus failure detection system
06/20/1989US4841167 Clock recovering device
06/20/1989US4840448 Optical fiber transmission apparatus, in particular for submarine use
06/20/1989CA1256168A1 Digital phase adjustment
06/20/1989CA1255940A1 Fiber optic workstation datalink interface
06/14/1989EP0319761A2 Multi-phase clock circuitry
06/13/1989US4839907 Clock skew correction arrangement
06/13/1989US4839534 Method and apparatus for establishing a system clock in response to the level of one of two clock signal sources
06/07/1989EP0319186A1 Synchronization failure detection
06/07/1989EP0319184A1 Two stage synchronizer
06/07/1989EP0318689A2 Method and circuit for trimming the frequency of a frequency source
06/07/1989EP0318685A2 Phase coherent TDMA quadrature receiver for multipath fading channels
06/07/1989EP0318581A1 High speed scrambling at lower clock speeds
06/06/1989USRE32945 Synchronization system for digital data
06/06/1989US4837783 Device for deriving a synchronizing signal
06/06/1989US4837782 CMI decoder
06/06/1989US4837781 Phase locked loop clock synchronizer and signal detector
06/06/1989US4837779 Communicator and communication method and system
06/06/1989US4837766 Frame step-out detecting system
06/06/1989CA1255402A1 Pseudo random framing detector circuit
06/06/1989CA1255362A1 Phase-locked loop for mfm data recording
06/01/1989WO1989005079A1 Dynamic speed shifter for fiber optic data transmission
06/01/1989WO1989005078A1 Optical communications network
06/01/1989WO1989005077A1 Optical communications network
06/01/1989WO1989005072A1 Apparatus and method for identification of message initiation in a process control network
06/01/1989WO1989005070A1 Optical communications network
06/01/1989WO1989005069A1 Optical communications network
05/1989
05/31/1989EP0318335A1 Fault location in optical communications networks
05/31/1989EP0318333A1 Stations for a digital communications network
05/31/1989EP0318332A1 Synchronisation of digital communications network
05/31/1989EP0318331A1 Scrambling in a digital communications network
05/31/1989EP0318227A2 Frame synchronising method and system
05/31/1989EP0318155A1 Forcing synchronisation on two pulse trains
05/31/1989EP0317901A2 Finite metastable time synchronizer
05/31/1989EP0317829A2 Method and apparatus for the generation of a correcting signal for a digital clock recovery device
05/31/1989EP0317821A2 High resolution digital phase-lock loop circuit
05/30/1989CA1255020A1 Pseudo random framing generator circuit
05/30/1989CA1255019A1 Device for predicting unique word detection positions in a tdma station by using latest valid detection positions
05/24/1989EP0317159A2 Clock recovery arrangement
05/24/1989EP0317007A1 Remote control system using a wake up signal
05/24/1989EP0316876A2 A digital signal receiving circuit with means for controlling a baud rate sampling phase by a power of sampled signals
05/24/1989EP0316773A2 Method for synchronizing a digital communication system
05/24/1989EP0316459A1 Fast timing acquisition for partial-response signalling
05/24/1989EP0316458A1 Digital chip with synchronisation of input data
05/24/1989CN1004322B Synchronising method and its system for digital communication machine
05/23/1989US4833695 Apparatus for skew compensating signals
05/23/1989US4833467 Data transmission system
05/23/1989US4833397 Tester for verification of pulse widths in a digital system
05/23/1989CA1254631A1 Encoding and decoding signals for transmission over a multi-access medium
05/23/1989CA1254627A1 Rhythm extractor for data transmission system
05/17/1989EP0316228A1 Time base circuit
05/16/1989US4831637 Apparatus and technique for timing jitter cancellation in a data receiver
05/16/1989US4831338 Synchronizing clock signal generator
05/16/1989CA1254291A1 Radio-electric synchronisation process of slave stations by means of a master station, especially for mls assist landing system, and apparatus used for the implementation of saidprocess
05/16/1989CA1254277A1 Digital communication system including an error correcting encoder/decoder and a scrambler/descrambler
05/16/1989CA1254271A1 Synchronization detection circuit
05/16/1989CA1254270A1 Phase-locked loop
05/10/1989EP0315130A2 Method for transmitting a digital signal
05/09/1989US4829545 Method and apparatus for data window centering ina multifrequency data separator
05/09/1989US4829544 Bit synchronization circuit
05/09/1989US4829543 Phase-coherent TDMA quadrature receiver for multipath fading channels
05/09/1989US4829518 Multiplexing apparatus having BSI-code processing and bit interleave functions
05/09/1989US4829466 Paging device with modifiable operational characteristics
05/09/1989CA1253967A1 Method and circuit for suppressing sequential "zeroes" data
05/05/1989WO1989004094A1 Data decoding circuit including phase-locked loop timing
05/05/1989WO1989001721A3 Synchronous signal decoder
05/03/1989EP0313953A1 Method and apparatus for the generation of a correcting signal in a digital clock recovery device
05/03/1989EP0313823A2 Circuit for reconstructing a clock signal
05/02/1989US4827490 Method of synchronizing two binary trains
05/02/1989US4827225 Fast locking phase-locked loop utilizing frequency estimation
05/02/1989CA1253582A1 Clock recovery circuit
04/1989
04/27/1989DE3735377A1 Method for synchronizing a time-division multiplex system for a transmission of packets of uniform length
04/26/1989EP0312911A2 Apparatus and method for master/slave synchronization
04/26/1989EP0312671A1 Predictive clock recovery circuit
04/26/1989CN1032609A Synchronization method and relevent system for digital communication machines
04/26/1989CN1032593A Digitsl chip with input-data synchronization
04/26/1989CN1004043B Transmission system for period digital information
04/25/1989US4825437 Clock recovery arrangement especially for an information transmission system using the TDMA principle in one transmission direction
04/25/1989US4825113 Single transmission line bidirectional optical communication system
04/25/1989CA1253234A1 Method and apparatus for obtaining reliable synchronization over a noisy channel