| Patents for H04J 3 - Time-division multiplex systems (63,408) |
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| 07/10/1990 | US4941156 Linear jitter attenuator |
| 07/10/1990 | US4941141 Time division switching for multi-channel calls using two time switch memories acting as a frame aligner |
| 07/10/1990 | US4941126 Weak/strong bus driver |
| 07/10/1990 | US4941089 Input/output network for computer system |
| 07/10/1990 | US4940974 Multiterminal communication system and method |
| 07/10/1990 | CA1271573A1 Clock recovery arrangement suitable more specifically for an information transmission system using the tdma principle in one transmission direction |
| 07/09/1990 | CA2004687A1 Fault location operating system with loopback |
| 07/05/1990 | DE3843182A1 Communication device |
| 07/04/1990 | EP0376384A1 Information transmission device using statistical coding, transmission and receiving part for such a device |
| 07/04/1990 | EP0376249A1 Deblocking method for a multiprocessor multibus system |
| 07/03/1990 | US4939753 Time synchronization of control networks |
| 07/03/1990 | US4939752 Distributed timing recovery for a distributed communication system |
| 07/03/1990 | US4939723 Bit-channel multiplexer/demultiplexer |
| 07/03/1990 | US4939722 Time division multiplexer having data rate and number of channels flexibility |
| 06/28/1990 | DE3842371A1 Device for clock synchronisation of cell-structured digital signals |
| 06/27/1990 | EP0374843A2 A bit phase difference absorbing apparatus |
| 06/27/1990 | EP0374794A2 Digital transmitting/receiving apparatus using buffer memory to eliminated effects of jitter |
| 06/27/1990 | EP0374562A1 Circuit for switching from one binary stream to another |
| 06/27/1990 | EP0374548A2 System for package multiplexing in transmission of data streams generated by the same algorithm |
| 06/27/1990 | EP0374537A2 Demultiplexer with a circuit for the reduction of the waiting time jitter |
| 06/27/1990 | EP0374436A2 Method and circuit arrangement for clock adaptation in the digital telecommunication technique |
| 06/27/1990 | EP0374303A1 Process for the individual monitoring of transmission sections of a communications transmission link, and apparatus for carrying out the process |
| 06/27/1990 | EP0374231A1 Isdn traffic generator adaptor |
| 06/27/1990 | EP0374220A1 Coupling field for digital audio signals |
| 06/27/1990 | CN1008592B Dynamic picture coder with self know drawing of insert symbol |
| 06/26/1990 | US4937820 Method and apparatus for combining direct and indirect addressing schemes to multiplex further data with traffic data |
| 06/26/1990 | US4937819 Time orthogonal multiple virtual dce for use in analog and digital networks |
| 06/26/1990 | US4937818 Time division multiple access radio communication system |
| 06/26/1990 | US4937812 Subsidiary station capable of automatically adjusting an internal delay in response to a number signal received in a downward signal by the subsidiary station |
| 06/23/1990 | CA2006394A1 Method of and apparatus of individually monitoring transmission sections of a communications transmission link |
| 06/20/1990 | EP0373755A2 Framing algorithms minimizing channel excursion |
| 06/20/1990 | EP0166741B1 A digital communications system |
| 06/19/1990 | US4935927 Base station emulator |
| 06/19/1990 | US4935921 Cross-connection network using time switch |
| 06/19/1990 | US4935920 Drop/insert processing circuit |
| 06/19/1990 | CA1270552A1 Clock control circuit for phase control |
| 06/14/1990 | WO1990006660A1 Virtual tributary cross connect switch and switch network utilizing the same |
| 06/14/1990 | WO1990006659A1 Switch components and multiple data rate non-blocking switch network utilizing the same |
| 06/14/1990 | WO1990006645A1 System for cross-connecting high speed digital signals |
| 06/14/1990 | WO1990006642A1 Method of determination of signal reception time by means of correlation technique |
| 06/14/1990 | WO1990006641A1 Agc isolation of information in tdma systems |
| 06/13/1990 | EP0372759A2 Agc isolation of information in tdma systems |
| 06/13/1990 | EP0372458A2 Synchronous multiplex transmission apparatus |
| 06/13/1990 | EP0214215B1 Arrangement for accessing and testing telecommunication circuits |
| 06/13/1990 | CN1043030A Modem with improved digital signal processor |
| 06/12/1990 | US4933955 Timing generator |
| 06/12/1990 | US4933934 Time division multiplexing method with channel compression and a device therefor |
| 06/06/1990 | EP0371593A2 Method for initializing or synchronizing a communication link |
| 06/06/1990 | EP0371357A2 Method of determination of signal reception time by means of correlation technique |
| 06/06/1990 | CN1042812A Apparatus and method for obtaining frequency agility in digital communication system |
| 05/31/1990 | WO1990006026A1 Universal micro circuit for telecommunication applications |
| 05/31/1990 | WO1990006021A1 Predictive agc in tdm systems |
| 05/31/1990 | WO1990006017A1 Frequency multiplier with non-integer feedback divider |
| 05/29/1990 | US4930125 Multiplexer frame synchronization technique |
| 05/29/1990 | CA1269733A1 Digital signal transmission system having frame synchronization operation |
| 05/28/1990 | CA2003936A1 Method of determination of signal reception time by means of correlation technique |
| 05/23/1990 | EP0369960A1 Universal micro circuit for telecommunication applications |
| 05/23/1990 | EP0369917A2 Method for broadcasting digital data, especially towards mobile stations, with a high bit rate, with time-frequency interleaving and analogous synchronisation |
| 05/23/1990 | EP0369830A2 Predictive automatic gain control (AGC) in time-division- multiplex (TDM) systems |
| 05/23/1990 | EP0369690A2 Frame synchronization in a network of time multiplexed optical space switches |
| 05/23/1990 | EP0369047A1 Arrangement for commuting a clock on a clock with the same frequency but lagging in phase |
| 05/22/1990 | US4928276 T1 line format for robbed signaling for use with CCITT 32K bit per second ADPCM clear channel transmission and 64KBPS clear channel transmission |
| 05/22/1990 | US4928275 Synchronization of asynchronous data signals |
| 05/22/1990 | US4928274 Multiplexed address control in a TDM communication system |
| 05/22/1990 | US4928273 Time division multiplexer/demultiplexer with deterministic time slot assignment |
| 05/22/1990 | CA1269463A1 Jitter measurement method and apparatus |
| 05/18/1990 | CA2003121A1 Universal micro circuit for telecommunication applications |
| 05/17/1990 | WO1990005416A1 Statistical measurement equipment and telecommunication system using same |
| 05/16/1990 | EP0368549A2 Multiplexed fibre optic system with auxiliary channel |
| 05/16/1990 | EP0368537A2 Reliable recovery of data in encoder/decoder |
| 05/16/1990 | EP0368123A1 Synchronisation arrangement for a digital PBX linked to an ISDN network |
| 05/15/1990 | US4926446 Method and apparatus for precision time distribution in telecommunication networks |
| 05/15/1990 | US4926423 Time-division-multiplexed data transmission system |
| 05/15/1990 | CA2002733A1 Arrangement for switching over a clock pulse to a clock pulse of the same frequency but with lagging clock phase |
| 05/15/1990 | CA1269185A1 Satellite telecommunications system featuring multi- beam coverage and dynamically controlled allocation of the satellite transmission capacity |
| 05/15/1990 | CA1269158A1 Combined circuit and packet switching system |
| 05/15/1990 | CA1269137A1 Method and device for phase-locking synchronous digital trains |
| 05/09/1990 | EP0367221A2 Drop/insert multiplexer for data channel access units |
| 05/09/1990 | EP0367215A2 Transmission line encoding/decoding system |
| 05/09/1990 | EP0366788A1 D channel monitor |
| 05/08/1990 | US4924464 Technique for converting either way between a plurality of N synchronized serial bit streams and a parallel TDM format |
| 05/08/1990 | US4924463 Data coding method for use in digital communication systems |
| 05/08/1990 | US4924462 Multiterminal communication system and method |
| 05/08/1990 | US4924460 Office control unit apparatus for use in a digital network |
| 05/08/1990 | US4924459 Digital transmission interconnect signal |
| 05/08/1990 | US4924458 Multiplex communication system |
| 05/08/1990 | US4924457 Concentrator system with polling-response means for detecting failures to stop tariff charges on locally established intraoffice calls |
| 05/08/1990 | CA1268869A1 System for adjusting signal transmission timing to prevent signal collisions |
| 05/08/1990 | CA1268868A1 Arrangement for processing received data in tdma communications system and method therefor |
| 05/03/1990 | WO1990004895A2 Information coding process |
| 05/03/1990 | WO1990004886A1 Multiple rf signal amplification method and apparatus |
| 05/03/1990 | CA2002111A1 Synchronisation arrangement for an isdn-connected private digital automatic switching equipment |
| 05/02/1990 | EP0365526A1 Asynchronous time division communication system. |
| 05/02/1990 | CN1007863B Distributional controlled time-sharing multiplexer with single chip microprocessors |
| 05/01/1990 | US4922489 Circuit configuration for routine testing of the clock supply of a large number of units operated with the same clock |
| 05/01/1990 | US4922438 Method and apparatus for reading packet-oriented data signals into and out of a buffer |
| 04/26/1990 | DE3835630A1 Method for generating a frequency modulation |
| 04/25/1990 | EP0365265A2 Framing algorithm for bit interleaved time division multiplexer |
| 04/25/1990 | EP0364955A2 A label-switching and control interface for asynchronous fast-packet switching |
| 04/25/1990 | EP0165242B1 Fiber optic digital data transmitting system |