Patents
Patents for H04L 7 - Arrangements for synchronising receiver with transmitter (36,432)
01/1988
01/19/1988US4720687 Frequency locked loop with constant loop gain and frequency difference detector therefor
01/14/1988WO1988000286A1 Monitoring device for an electronic control system in a motor vehicle
01/12/1988US4719643 In a digital telecommunications system
01/12/1988US4719523 Synchronizing signal detecting circuit
01/12/1988US4719365 Clocked logic delay device which corrects for the phase difference between a clock signal and an input binary signal
12/1987
12/29/1987US4716578 Circuit and method for the recovery of data from a digital data stream
12/23/1987EP0249935A2 Frame synchronizing circuit
12/23/1987EP0249931A2 Decision timing control circuit
12/23/1987EP0249930A1 Method for synchronizing two binary streams
12/22/1987US4715050 Digital phase-locked loop circuit
12/22/1987US4715049 Clock recovery and retiming scheme with saw filter phase trimming to achieve desired system phase adjustment
12/22/1987US4715044 Automatic synchronous/asynchronous modem
12/15/1987US4713830 Compensating for variable transmission line time delays in received data
12/15/1987US4713802 Digital signal reproducing circuit
12/15/1987US4713621 Phase synchronization circuit
12/15/1987CA1230396A1 Method of synchronization in a data transmission system using a linear block code
12/09/1987EP0248551A2 Synchronization of asynchronous data signals
12/08/1987US4712077 Tristate phase-lock loop prevents false lock
12/03/1987WO1987007458A1 Optical signal regenerator
12/02/1987EP0247834A1 Optical signal regenerator
12/02/1987EP0247720A2 Clock signal extraction apparatus
12/02/1987EP0247569A1 Clock recovery circuit
12/02/1987CN87103190A Synchronizing method for digital apparatus
12/01/1987CA1229881A1 Apparatus for detecting and recovering binary data from an input signal
11/1987
11/30/1987EP0094431A4 Telemetry system with signal booster for digital data transmission through a transmission line.
11/25/1987EP0246530A2 Decoding system of data signals
11/24/1987US4709378 Arrangement for generating a clock signal
11/24/1987US4709347 Method and apparatus for synchronizing the timing subsystems of the physical modules of a local area network
11/19/1987DE3616556A1 Circuit arrangement for identifying the synchronous condition of a data transmission system
11/17/1987US4707842 Apparatus and method for acquiring data and clock pulses from asynchronous data signals
11/17/1987US4707841 Digital data receiver for preamble free data transmission
11/10/1987US4706245 Network system
11/10/1987US4706033 Data recovery and clock circuit for use in data test equipment
11/04/1987EP0244316A1 CMI decoder
11/04/1987EP0244122A2 Clock recovery digital phase-locked loop
11/03/1987US4704722 Timing recovery circuit
11/03/1987US4704721 Clock phasing system for a telecommunications system receiver
11/03/1987CA1228930A1 Method and apparatus for detecting synchronous or asynchronous data transmission
10/1987
10/28/1987EP0243075A2 Frequency multiplying circuit
10/28/1987EP0242915A1 Device for clock recovery in an information transmission system using in one transmission direction the time division multiple access principle
10/28/1987EP0242576A2 Restoring and clocking pulse width modulated data
10/27/1987US4703494 PCM signal transmission system
10/27/1987US4703479 Multi-direction time division multiplex communication apparatus
10/22/1987WO1987006413A1 Method and apparatus for transferring data between two data processing equipments each driven by an independent clock
10/22/1987WO1987006412A1 Encoding and decoding signals for transmission over a multi-access medium
10/22/1987DE3611959A1 Synchronisation method
10/21/1987EP0242121A2 Synchronising systems for digital apparatus
10/21/1987EP0241974A1 Device for the regeneration of channel-clock information in data transmission and data-recovery arrangement comprising such a device.
10/20/1987US4701939 Method and apparatus for obtaining reliable synchronization over a noisy channel
10/20/1987US4701938 Data system
10/13/1987US4700359 Circuit arrangement for sampling a ternary signal
10/13/1987US4700358 Synchronous/asynchronous modem
10/13/1987US4700357 Synchronizing stage for the acquisition of a synchronizing signal having low jitter from a biternary data sequence
10/13/1987US4700347 Digital phase adjustment
10/13/1987US4700241 Apparatus for recording and reproducing digital signals
10/13/1987US4700240 Digital data playback system
10/13/1987US4700084 Digital clock recovery circuit apparatus
10/08/1987WO1987006086A1 Digital data block synchronizer
10/07/1987EP0240299A2 Bit synchronization circuit
10/07/1987EP0240232A2 Digital phase lock loop
10/07/1987EP0240157A2 A single transmission line bidirectional optical communication system
10/07/1987EP0240146A2 Method and apparatus for the channelized serial transmission of redundantly encoded binary data
10/07/1987CN87102265A Method and apparatus for channelized serial transmission of redundantly encoded binary data
10/06/1987US4698826 Clock repeater for triplicated clock distributor
10/06/1987CA1227858A1 Prioritized clock selection circuit
10/06/1987CA1227845A1 Multipoint data communications
10/06/1987CA1227844A1 Communications network having a single node and a plurality of outstations
09/1987
09/29/1987US4697277 Synchronization recovery in a communications system
09/29/1987US4697263 Time slot arrangements for local area network systems
09/29/1987CA1227541A1 Method of and apparatus for determining time origin of timer for modem
09/23/1987EP0238100A2 Improved modem signal acquisition technique
09/23/1987EP0238097A2 Multi-system paging device with power conservation
09/22/1987US4696016 Digital clock recovery circuit for return to zero data
09/22/1987US4695805 Apparatus for generating signals synchronized to an unstable external signal
09/22/1987CA1227246A1 Method and device for measuring phase jitter on a transmission channel
09/17/1987DE3608356A1 Demultiplex and mB/nB decoding arrangement
09/16/1987EP0237408A1 Method and device for asynchronous clock recovery for digital transmission systems
09/16/1987EP0237106A2 A method and a system for synchronizing clocks in a bus type local network
09/16/1987EP0236969A2 Synchronization of pseudo random sequence generators of a high clock frequency
09/16/1987EP0236419A1 Phase changer.
09/15/1987US4694504 Synchronous, asynchronous, and data rate transparent fiber optic communications link
09/15/1987US4694473 Data communication system with block synchronization data in mobile radio
09/15/1987US4694472 Clock adjustment method and apparatus for synchronous data communications
09/15/1987US4694470 Data transmission circuit
09/15/1987US4694469 Method and device for timing pull-in of receiving equipment
09/15/1987US4694291 Device for transmitting a clock signal accompanied by a synchronization signal
09/15/1987US4694196 Clock recovery circuit
09/15/1987CA1226960A1 Rate adaptation circuit and method for asynchronous data on digital networks
09/09/1987EP0236017A2 Synchronizing signal decoding
09/09/1987EP0235179A1 Radiotelephone system employing digitized speech/data and embedded signalling
09/08/1987US4692932 Triplicated clock distribution device for use when each clock signal comprises a synchonization signal
09/08/1987US4692931 Synchronization circuit capable of establishing synchronism even when a sampling rate is invariable
09/08/1987US4692894 Overflow/Underflow detection for elastic buffer
09/08/1987CA1226636A1 Circuit arrangement for frame and phase synchronization of a local sampling clock
09/03/1987DE3604834A1 Circuit arrangement for regenerating the bit clock from the received signal in digital transmission devices
09/02/1987EP0234957A2 Sync signal detection apparatus
09/02/1987EP0234948A2 Data transmission system
09/02/1987EP0234386A1 Frame decoding
09/01/1987US4691327 Clock regenerator
08/1987
08/25/1987US4689790 Method and apparatus for remote signalling on a digital transmission link