| Patents for H04J 3 - Time-division multiplex systems (63,408) |
|---|
| 03/10/1987 | US4649536 Flexible multiplex system for time division multiplex |
| 03/04/1987 | EP0212961A2 Digital transmission channel framing |
| 03/04/1987 | EP0212327A2 Digital signal transmission system having frame synchronization operation |
| 03/04/1987 | CN86105447A Framing technology of digital transmission channel |
| 03/03/1987 | US4648090 Arrangement for controlling switched speech or data communication in a communications exchange |
| 03/03/1987 | US4648088 Distributed control time division multiplex ring communication apparatus |
| 03/03/1987 | CA1218773A1 Apparatus and method for providing a transparent interface across a satellite communications link |
| 02/26/1987 | WO1987001254A1 Multiplexed digital packet telephone system |
| 02/26/1987 | DE3529147A1 Procedure for reduction of the output bit rate of a digitised colour television signal |
| 02/25/1987 | EP0211674A2 Clock signal selection and security arrangements |
| 02/25/1987 | EP0211213A1 Apparatus for monitoring PCM- or DS-devices or channel distributors for n-bit multiplex signals |
| 02/24/1987 | US4646329 Recovery of frame alignment word having bits distributed in a digital transmission signal |
| 02/24/1987 | US4646328 Frame alignment loss and recovery device for a digital signal |
| 02/24/1987 | US4646290 Data transmission method and apparatus |
| 02/24/1987 | US4646289 Signal multiplexing circuit |
| 02/19/1987 | DE3528704A1 Method and configurations for retransmitting signals of a minimum duration within an n-bit multiplex signal |
| 02/17/1987 | US4644546 Method of digital signal transmission |
| 02/17/1987 | US4644536 Method and apparatus for multiplexing digital signals |
| 02/17/1987 | US4644535 PCM channel multiplexer/demultiplexer |
| 02/17/1987 | US4644534 TDMA point-to-multipoint communications system and its use |
| 02/17/1987 | US4644531 Time division communication system |
| 02/17/1987 | US4644346 Multiplex transmission system |
| 02/12/1987 | WO1987001006A1 Circuit arrangement to align the pcm groups entering a communication branch point with another |
| 02/12/1987 | DE3546131C1 Clock generation in a broadband multiplexer or demultiplexer |
| 02/10/1987 | US4642806 Communications network having a single node and a plurality of outstations |
| 02/10/1987 | US4642632 Digital paging system having bit rate switching means and digital paging receiver therefor |
| 02/10/1987 | CA1217833A Packet data transmission system |
| 02/04/1987 | EP0210811A2 Time division multiple access radio communication system |
| 02/04/1987 | EP0210799A2 Access port clock synchronizer |
| 02/04/1987 | EP0210798A2 Programmable data-routing multiplexer |
| 02/04/1987 | EP0210700A2 Digital radio transmission system with central, communication-associated organization channel in the time multiplex frame |
| 02/04/1987 | EP0210698A2 Radio transmission system with a variable time slot duration in a time division multiplex frame |
| 02/04/1987 | EP0210611A1 Method for combining a digital picture signal and three digital narrow-band signals into one 139264-kbit/s signal |
| 02/03/1987 | US4641317 Spread spectrum radio transmission system |
| 01/29/1987 | WO1987000701A1 Synchronizing circuit for a plurality of power units |
| 01/28/1987 | EP0209946A2 Devices for generating a mark of non-connected transmission channels of a digital transmission system |
| 01/28/1987 | EP0209824A1 Channel distributor for digital signals |
| 01/27/1987 | US4639909 Digital signal distributor |
| 01/27/1987 | US4639882 Monitoring system |
| 01/21/1987 | EP0209483A2 Coder for moving pictures recognizing the stuffing characters by itself |
| 01/20/1987 | US4638480 Distributed digital signal multiplexing |
| 01/20/1987 | US4638478 Frame synchronizing system in a receiver in a time-division multiplex transmission system |
| 01/20/1987 | US4638476 Technique for dynamic resource allocation in a communication system |
| 01/17/1987 | CN85101731A 数据格式转换器 Data format converter |
| 01/15/1987 | WO1987000369A1 Data network synchronisation |
| 01/14/1987 | EP0208604A1 Process and device for the conversion of digital multichannel frames into multipacket frames |
| 01/14/1987 | EP0208021A2 TDMA point-to-multipoint communication system |
| 01/13/1987 | CA1216677A1 Data format converter |
| 01/06/1987 | US4635257 Fail safe circuit for multi-signal transmission system |
| 01/06/1987 | US4635252 Conference circuit for digital communication systems |
| 01/06/1987 | US4635248 Start-stop synchronous data transmission system with a reduced redundancy |
| 01/06/1987 | US4635247 High-speed burst signal monitoring device |
| 01/02/1987 | DE3523238A1 Method for the transmission of digital signals |
| 01/02/1987 | DE3522346A1 Method for transmitting data via optical waveguides |
| 12/30/1986 | US4633464 Control signalling arrangement for a digital transmission system |
| 12/30/1986 | US4633193 Clock circuit synchronizer using a frequency synthesizer controlled by a frequency estimator |
| 12/30/1986 | EP0206409A1 Higher order digital transmission system including a multiplexer and a demultiplexer |
| 12/30/1986 | EP0206408A1 Higher order digital transmission system including a multiplexer and a demultiplexer |
| 12/23/1986 | US4631721 Bidirectional communication system of a two-wire bus comprising an active terminator |
| 12/23/1986 | US4631720 Service integrated transmission system |
| 12/23/1986 | US4631719 Channel looping apparatus for failure analysis |
| 12/23/1986 | US4631718 Method and device for synchronization of system timing |
| 12/17/1986 | EP0205200A1 Method for transmitting audio and additional information in digital form |
| 12/17/1986 | EP0205016A2 Method for the simultaneous transmission of information appearing in parallel information channels |
| 12/16/1986 | US4630291 Externally synchronized timebase |
| 12/16/1986 | US4630266 Equipment for measuring digital channels multiplexed by packets in a signal particularly analog |
| 12/16/1986 | US4630262 Method and system for transmitting digitized voice signals as packets of bits |
| 12/16/1986 | US4630261 Integrated buffer management and signaling technique |
| 12/16/1986 | CA1215483A1 Device for transmitting and processing data, or for signalling in a set of multiplex lines |
| 12/16/1986 | CA1215470A2 Associative array |
| 12/16/1986 | CA1215455A1 Digital span frame detection circuit |
| 12/16/1986 | CA1215450A1 Method of access control in a communication system |
| 12/09/1986 | US4628504 Distributed bus control communication protocol |
| 12/09/1986 | US4628502 Data and signaling time slot transfer and processing system for a set of multiplex lines |
| 12/09/1986 | CA1215165A1 Digital signal transmitting and/or receiving system |
| 12/09/1986 | CA1215119A1 Fiber optic digital data transmitting system |
| 12/03/1986 | EP0203551A2 PCM communication apparatus |
| 12/03/1986 | EP0134217B1 Activation of a transmission link by code sending |
| 12/03/1986 | EP0131591B1 Activation in a digital subscriber connection |
| 12/03/1986 | CN86100887A Synchronization recovery in a communications system |
| 12/02/1986 | US4627050 Time division multiplexed computerized branch exchange |
| 12/02/1986 | US4627049 TASI system including an order wire |
| 12/02/1986 | US4626716 Digital signal delay circuit |
| 11/26/1986 | EP0202422A2 Adaptive trunk-compression system |
| 11/26/1986 | EP0116554B1 Fast response system for switched data networks |
| 11/20/1986 | WO1986006899A1 Jitter measurement method and apparatus |
| 11/20/1986 | EP0202205A1 Telecommunication system for alternatingly transmitting circuit-switched and packet-switched information |
| 11/12/1986 | EP0201254A2 Terrestrial communications system base station |
| 11/12/1986 | EP0201128A1 Integrated electronic multiplex circuit and integrated electronic circuit including such a multiplex circuit |
| 11/12/1986 | CA1213990A Fiber optic modulator and data multiplexer |
| 11/11/1986 | US4622684 Device for recognition of binary words |
| 11/11/1986 | US4622666 Circuits for detecting framing bits in a t.d.m. bit stream |
| 11/11/1986 | US4622665 Synchronizing system |
| 11/06/1986 | WO1986006571A1 Communication system |
| 11/05/1986 | EP0200569A2 Monolithic integrated circuit device |
| 11/05/1986 | EP0200310A2 Direct broadcast satellite signal transmission system |
| 11/05/1986 | EP0200275A1 Multiplex information transmission system |
| 11/05/1986 | CN85103813A Telecommunication system, in particular telephone system |
| 10/29/1986 | EP0198966A1 Distributed digital mux |
| 10/23/1986 | WO1986006231A1 Frame arrangement for multiplexing a plurality of subchannels onto a fixed rate channel |