Patents
Sitemap › H04 - Electric communication technique › H04J - Multiplex communication › H04J 3 - Time-division multiplex systems
Patents for H04J 3 - Time-division multiplex systems (63,408)
12/1990
12/06/1990DE3917432A1 Parallel bit stream interface with automatic clock phasing - produces clock signals for further processing by division of integral multiple of input bit stream frequency
12/06/1990DE3916850A1 Ring bus data transmission with frame-dependent synchronisation - ensures transmission of whole number of unitary cells by forced sync. in uniformly spaced pulse frames
12/05/1990EP0400603A2 Monitoring method for stand-by circuits suitable for a multiplexing/demultiplexing apparatus
12/05/1990EP0400397A2 Synchronisation method of a counter generated clock on a reference clock
12/05/1990CN1047596A Pcm通信系统 Pcm communication system
12/04/1990US4975913 Programmable multiplexing/demultiplexing system
12/04/1990US4975911 Interface circuit for data transmission between a microprocessor system and a time-division-multiplexed system
12/04/1990US4975908 Basic pulse frame and method for a digital signal multiplex hierarchy
12/04/1990US4975899 Optical broadcast network
12/02/1990CA2475414A1 Decoder, receiver and method for decoding an encoded digital audio signal
11/1990
11/29/1990WO1990014724A1 Bit stream machine
11/29/1990WO1990014723A1 Bit stream machine
11/28/1990EP0399612A2 Data transmission over a time division duplex channel
11/28/1990EP0399611A2 A communications system for data transmission over a time division duplex frequency channel
11/28/1990EP0247189A4 Method and apparatus for encoding and transmitting signals
11/27/1990US4974241 Counter employing exclusive NOR gate and latches in combination
11/27/1990US4974225 Data receiver interface circuit
11/27/1990US4974223 Parallel architecture for high speed flag detection and packet identification
11/27/1990CA1277046C Method of integrating one or more accessory function modules in telecommunications systems and access circuit for use therewith
11/27/1990CA1277017C Fast assignment technique for use in a switching arrangement
11/22/1990EP0398773A1 Pseudosynchronisation-method for a time division multiplexed communication network and use of same
11/22/1990EP0397934A1 Bit stream machine
11/22/1990EP0397933A1 Bit stream machine
11/20/1990US4972439 Active signalling transmitter control
11/20/1990US4972411 Signalling transmission system
11/20/1990CA1276733C Data multiplex transmission system
11/20/1990CA1276714C Time stamp and packet virtual sequence numbering for reconstructing information signals from packets
11/15/1990DE3906793A1 Method for correcting cell losses in the transmission of digitally coded analog signals
11/14/1990EP0397559A1 Digital data generator
11/14/1990EP0397384A1 Sequence synchronisation
11/14/1990EP0397198A2 Transfer strobe time delay selector and method
11/14/1990EP0397197A2 Synchronous optical transmission system
11/14/1990EP0397196A2 Data communication bypass apparatus and method
11/14/1990EP0397144A1 Wordwise serial-to-parallel converter circuit
11/14/1990EP0397142A1 Parallel frame synchronization circuit
11/14/1990EP0397141A2 Sonet transmit signaling translator
11/14/1990EP0397140A2 Sonet receive signaling translator
11/14/1990EP0397139A2 Serial transport frame format method
11/14/1990EP0397079A2 Parallel pseudo-random generator for emulating a serial pseudo-random generator and method for carrying out same
11/14/1990EP0396669A1 Method and apparatus for detecting impending overflow and/or underrun of elasticity buffer.
11/14/1990EP0396562A1 Statistical measurement equipment and telecommunication system using same
11/13/1990US4970719 Digital signal multiplexing apparatus
11/13/1990US4970718 Apparatus for supplying channel-control signals and maintenance signals in a serial data concentrator system
11/13/1990US4970590 System and device for package multiplexing in transmission of many data flows generated by a sole algorithm
11/13/1990CA1276326C Digital signal transmitting system
11/13/1990CA1276236C Fault direction in an optical communications system
11/12/1990CA2016635A1 Parallel pseudo-random generator for emulating a serial pseudo-random generator and method for carrying out same
11/07/1990EP0396461A1 Device for synchronising a pseudo-binary signal with a phase-hopped regenerated clock signal
11/07/1990EP0396403A1 Data stream frame synchronisation
11/07/1990EP0395780A1 Flexible multiplexer
11/07/1990CN1046823A Digital radio communication system and two-way radio
11/04/1990CA2296835A1 Date stream frame synchronisation
11/03/1990CA2015821A1 Flexible multiplexer
11/01/1990WO1990013182A2 Digital coding process
10/1990
10/30/1990US4967411 Method and apparatus for frame-bit modulation and demodulation of DS3 signal
10/30/1990US4967410 Method of multiplexing digital signals and apparatus therefor
10/30/1990US4967405 System for cross-connecting high speed digital SONET signals
10/30/1990CA1275732C Bidirectional elastic store circuit
10/29/1990WO1990013955A1 Signal generator and signal receiver based on synchronous multiplex transmission system
10/28/1990WO1990013212A1 Digital radio communication system and two way-radio
10/24/1990EP0394051A2 Controlling clock frequencies in a communications network
10/24/1990EP0393526A2 Digital encoding method
10/24/1990EP0393514A2 Channel access system
10/24/1990EP0393341A1 Method and arrangement for converting an interrupted read-in clock into an uninterrupted read-out clock
10/24/1990EP0374231A4 Isdn traffic generator adaptor
10/23/1990US4965814 Synchronizer for establishing synchronization between data and clock signals
10/23/1990US4965811 Network apparatus for transmitting digital signals
10/23/1990US4965798 Apparatus for flexibly allocating bandwidth for a point-to-point, serial, bidirectional communication path
10/23/1990US4965796 Microprocessor-based substrate multiplexer/demultiplexer
10/23/1990US4965795 D channel monitor
10/23/1990US4965794 Telecommunications FIFO
10/23/1990US4965790 Communication system for forming different networks on the same ring transmission line
10/23/1990US4965787 Methods and apparatus for multiplexing sub-rate channels in a digital data communication system
10/23/1990CA1275515C System for transmitting auxiliary signal in a multiplex communication system
10/23/1990CA1275514C Arrangements for producing and recognizing information identifying non-occupied transmission paths in a digital transmission system
10/18/1990WO1990012467A1 A method in the transmission of a digital broadband signal
10/18/1990WO1990011675A2 Mixed modulation level communication system
10/18/1990DE3912440A1 Information transmission system incorporated in automobile - has transmitter signals divided by different factors for transmission along common line
10/17/1990EP0392397A2 Symbol-wide elasticity buffer
10/16/1990US4964142 Receiver synchronization in encoder/decoder
10/16/1990US4964122 TDM data transmission system
10/16/1990US4964112 Method for monitoring the quality of a digital signal in sections of a data transmission circuit
10/16/1990US4964095 Data communication bypass apparatus and method
10/16/1990US4963862 Terminal equipment identifier control circuit
10/16/1990US4963767 Two-level ECL multiplexer without emitter dotting
10/10/1990EP0391771A1 Method for multiplexing different sorts of digital signals, method and interface for decoding, digital desk for storing those kinds of signals
10/10/1990EP0391144A2 Synchronisation method of a timing device of a synchronised electrical system
10/03/1990EP0390452A2 Synchronization circuit using N-bit counters in a memory circuit
10/03/1990EP0389780A2 Clock synchronization algorithm for address independent networks
10/03/1990EP0389689A1 Method for transmitting a transmission signal and a transmitting device and a receiving device for use in the method
10/03/1990EP0389662A1 Method for the phase synchronization of the signals of two clock generators in communication networks
10/02/1990US4961189 Multiplexing system setting through mask registers
10/02/1990US4961188 Synchronous frequency encoding technique for clock timing recovery in a broadband network
10/02/1990US4961180 Arrangements for producing and recognizing information identifying non-occupied transmission paths in a digital transmission system
10/02/1990CA1274929A1 Method of communicating stuffing indications in a multi-level communications system
09/1990
09/28/1990CA2013131A1 Method for multiplexing digital signals of differing types, method for decoding such signals, interface for decoding signals multiplexed according to said method and digital disk carrying said signals
09/26/1990EP0389349A1 Method and terminal for establishing communications via channels selected in a multiplex link
09/26/1990EP0388615A1 CMI decoder and clock frequency recovery
09/26/1990EP0388495A1 Method of monitoring the quality of at least two transmission sections of a transmission link for digital signals and a device making use of such a method
09/26/1990EP0172884B1 Multipriority communication system
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