Patents
Patents for H04L 7 - Arrangements for synchronising receiver with transmitter (36,432)
10/1989
10/24/1989US4876700 Data demodulator
10/24/1989US4876699 High speed sampled data digital phase detector apparatus
10/24/1989US4876683 Repeater for regenerating frame-multiplexed signal
10/17/1989CA1262384A1 Frame synchronization with slip compensation
10/17/1989CA1262383A1 Method and apparatus for detecting frame synchronization
10/10/1989CA1262271A1 Method and device for data transmission over several parallel lines, in particular optical fiber
10/05/1989WO1989009523A1 A method and apparatus for stabilized data transmission
10/05/1989WO1989009520A1 Synchronizing circuit
10/04/1989EP0335797A1 Method and apparatus to synchronise by reception of a local clock belonging to a communication network, in particular of a transport vehicle
10/04/1989EP0335547A2 A metastable prevention circuit
10/04/1989EP0335509A2 Broad band VCO control system for clock recovery
10/04/1989EP0335508A2 Clock driven data sampling circuit
10/03/1989US4872186 Apparatus and method for identification of message initiation in a process control network
10/03/1989US4872185 Signal transmission method
10/03/1989US4871979 Variable frequency system having linear combination of charge pump and voltage controlled oscillator
10/03/1989US4871975 Carrier recovery circuit for offset QPSK demodulators
10/03/1989CA1262174A1 Clock regenerator
10/03/1989CA1262173A1 Synchronization of asynchronous data signals
09/1989
09/27/1989EP0334239A2 Circuit for obtaining accurate timing information from received signal
09/27/1989EP0334193A1 Method and device for continuously adjusting the phase of a binary data signal at a clock
09/26/1989US4870646 Word synchronizer
09/26/1989CA1261928A1 Decision timing control circuit
09/26/1989CA1261012A1 Polyphase phase lock oscillator
09/26/1989CA1260635A1 Synchronization burst transmit phase control system
09/26/1989CA1260557A1 Pulse synchronizing apparatus
09/26/1989CA1260167A1 Frame synchronizing circuit
09/26/1989CA1260145A1 Synchronizing signal decoding
09/20/1989EP0333196A2 Repeater for regenerating frame-multiplexed signal
09/20/1989EP0333122A2 Method and apparatus for frame synchronization
09/20/1989EP0333044A1 Synchronisation device for offset quadrature phase-shift keying
09/19/1989US4868864 Autocorrelating 2400 bps handshake sequence detector
09/19/1989US4868854 Establishment of bit synchronization in a data transmitting/receiving system
09/19/1989US4868850 MODEM communication system having training means and method for training same
09/19/1989US4868831 Zero byte time slot interchange (ZBTSI) encoder
09/19/1989US4868689 Circuit for producing clock signal for reproducing PCM signal
09/19/1989US4868514 Apparatus and method for digital compensation of oscillator drift
09/19/1989US4868513 Phase-locked loop with redundant reference input
09/19/1989CA1259659A1 Radiotelephone system employing digitized speech data signalling
09/12/1989US4866739 Digital fast recovery timing algorithm
09/12/1989US4866738 Circuit and method for deriving the word timing of a pulse position modulated signal
09/12/1989US4866737 High speed voiceband data transmission and reception
09/12/1989CA1259386A1 Synchronization circuit for digital communication systems
09/12/1989CA1259384A1 Failure detecting system for stop-lamp circuit
09/07/1989DE3806429A1 Method and circuit arrangement for identifying a bit combination contained in a serial bit stream
09/07/1989DE3806428A1 Method and circuit arrangement for identifying a bit combination contained in a serial bit stream
09/06/1989EP0331115A2 Scrambling/descrambling method using a memory for storing initial pseudo-random bit patterns respectively for submultiframes
09/06/1989EP0331016A2 Phase detector circuit for periodic signal using three sampling data
09/05/1989US4864556 Synchronization arrangements for a digital telecommunications exchange system
08/1989
08/30/1989EP0330282A1 Receiver of a system for transmitting data symbols at a given baud-rate
08/29/1989US4862485 Quotient phase-shift processor for digital phase-locked-loops
08/29/1989US4862484 Apparatus for clock recovery from digital data
08/29/1989US4862482 Receiver for Manchester encoded data
08/29/1989US4862443 Sync signal detection apparatus for accurately synchronizing reproduced data
08/29/1989US4862104 Phase synchronization system
08/23/1989EP0329049A1 Method for controlling sampling time in a digital transmission using quadrature carrier modulation and device for carrying out the method
08/23/1989EP0328977A2 Word synchronization system
08/23/1989EP0328735A2 Method and device for the detection of the position of a local word-clock in relation to an emitted PPM scheme
08/22/1989US4860323 Method and device for the acquisition of synchronization bits in data transmission systems
08/22/1989US4860322 Anti-clock skew distribution apparatus
08/22/1989US4860319 Apparatus for compensating for phase hits
08/22/1989US4860293 Supervision circuit for a non-encoded binary bit stream
08/22/1989US4860286 Encoding method in transmission of plurality of oversampled data channels, and apparatus for carrying out the method
08/22/1989US4860285 Master/slave synchronizer
08/16/1989EP0328378A2 Dual-tracking phase-locked loop
08/16/1989EP0328266A2 Binary data regenerator with adaptive threshold level
08/16/1989EP0327747A1 Digital transmission testing method and apparatus
08/09/1989EP0326614A1 Synchronous signal decoder
08/08/1989US4856030 Apparatus and methods of locking a receiving modem to a transmitting modem employing a burst signal
08/08/1989US4856029 Technique for processing a digital signal having zero overhead sync
08/08/1989US4855735 Recovery of data clock signals
08/08/1989US4855615 Switching circuit avoiding glitches at the instant of switch-over between two clock signals
08/08/1989CA1258297A1 Timing phase detector circuit
08/02/1989EP0326007A2 Center frequency high resolution digital phase-loop circuit
08/01/1989US4853943 Manchester code clock and data recovery system
08/01/1989US4853841 Arrangement for the individual adaptation of a serial interface of a data processing system to a data transmission speed of a communication partner
08/01/1989CA1258101A1 Arrangement for generating a clock signal
07/1989
07/27/1989WO1989006885A1 Data bit detector for fiber optic system
07/26/1989EP0325374A2 Optical communication by injection-locking to a signal which modulates an optical carrier
07/26/1989EP0325078A1 Mechanism for error detection and reporting on a synchronous bus
07/25/1989US4852128 Optical communications transmitter and receiver
07/25/1989US4852124 Digital phase-locked loop clock extractor for bipolar signals
07/25/1989US4852090 TDMA communications system with adaptive equalization
07/25/1989US4851710 Metastable prevent circuit
07/25/1989CA1257931A1 Rhythm recovery device
07/24/1989EP0308450A4 Jitter control in digital communications links.
07/19/1989EP0324296A1 Loss of synchronisation detection device in a digital transmission
07/19/1989CN1034104A Synchronizing and error control method and equipment for multi-channel long distant serial synchronous telecommunications
07/18/1989US4849998 Rate synchronized symbol timing recovery for variable rate data transmission systems
07/18/1989US4849997 Timing signal regenerator for phase-adjusting a reception timing signal with a transmission timing signal given a predetermined frequency
07/18/1989US4849995 Digital signal transmission system having frame synchronization operation
07/18/1989US4849994 Method of transmitting digitally coded signals
07/18/1989US4849993 Clock holdover circuit
07/18/1989US4849991 Method and circuitry for determining symbol timing for time division multiple access radio systems
07/18/1989US4849970 Smoothing apparatus for an independently clocked network
07/18/1989US4849969 Implementation of smoothing apparatus for an independently clocked network
07/18/1989US4849704 Duty cycle independent phase detector
07/18/1989US4849703 Method and apparatus for generating a data sampling clock locked to a baud clock contained in a data signal
07/11/1989US4847877 Method and apparatus for detecting a predetermined bit pattern within a serial bit stream
07/11/1989US4847876 Timing recovery scheme for burst communication systems
07/11/1989US4847875 Timing circuit including jitter compensation