Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 5 - Arrangements affording multiple use of the transmission path
Patents for H04L 5 - Arrangements affording multiple use of the transmission path (28,368)
01/1983
01/05/1983EP0068595A1 A bit-interleaved time division multiplexer
01/04/1983US4367549 Method and apparatus for multiplexing a data signal and secondary signals
12/1982
12/22/1982EP0067310A2 Bisynchronous protocol communication circuit
12/14/1982CA1137585A1 Function coding via digital addresses in a two-way system
12/08/1982EP0066180A2 Optically coupled bidirectional transceiver
12/08/1982EP0066006A2 Arrangement for compensating crosstalk and/or echoes
12/07/1982US4363121 Method and system for simultaneous bidirectional transmission of information
12/07/1982US4363093 Processor intercommunication system
12/07/1982US4362909 Echo canceler with high-pass filter
12/01/1982EP0065796A1 Arrangement for cancelling echo signals
11/1982
11/30/1982CA1136728A2 Multiprocessor system
11/23/1982US4360914 Process and an apparatus for transferring information representing at least two parameters
11/23/1982US4360913 Multiplexing I/O module
11/16/1982EP0053630A4 Wideband transceiver with emi suppression.
11/16/1982CA1135809A2 Multiprocessor system
11/10/1982EP0064120A1 Process to determine the configuration of the active channels in a multiflex communication system, and device therefor
11/09/1982US4358845 Process for the compression of signalling data or the like transmitted in a train of multiplexed PCM information
11/09/1982CA1135363A1 Noise tolerant multiplex system
11/08/1982EP0053629A4 Voiceband data set.
11/03/1982EP0063639A2 Digital wide-band communication system
11/03/1982EP0063638A2 Digital telecommunication system
11/02/1982US4357658 System for the asynchronous transporting of data between active functional units
10/1982
10/26/1982US4356562 Method and apparatus for demultiplexing electrical signals
10/26/1982CA1134447A1 Data transmission system
10/20/1982EP0062922A2 Burst signal transmission system
10/19/1982US4355397 Full duplex communication system for voice grade channels
10/12/1982US4354229 Loop initialization mechanism for a peer-to-peer communication system
10/05/1982US4353128 Synchronous/asynchronous data communication arrangement
10/05/1982CA1133154A1 Digital bus communications system
10/05/1982CA1133089A1 Data transmission method
09/1982
09/28/1982US4352179 Time domain multiplexing apparatus for multiple microphones
09/21/1982US4350973 Receiver apparatus for converting optically encoded binary data to electrical signals
09/21/1982CA1132243A1 Digital transmission system for television video signals
09/15/1982EP0059821A1 Method and apparatus, e.g. in a data distribution system for, inter alia, avoiding distortion in transfer of signal states
09/08/1982EP0059395A1 Method for the integration of a service channel in fibre-optical transmission links
09/02/1982WO1982002966A1 Data communication system
09/01/1982EP0058764A2 Duplex fibre-optic information transmission system
08/1982
08/31/1982US4347604 Bi-directional data communications system
08/24/1982CA1130409A1 Half-duplex/simplex digital signal converter
08/18/1982EP0057953A2 Arrangement for correcting pulse distortion in homochronous data transmission
08/10/1982CA1129556A1 Asynchronous-to-synchronous data concentration system
07/1982
07/27/1982US4341927 Data transmission apparatus
07/22/1982WO1982002465A1 Automatic framing in time division multiplexer
07/14/1982EP0055912A2 A switch assembly multiplexing system
06/1982
06/30/1982EP0054583A1 Method of transmitting binary data sequences and arrangement for enabling the rapid determination of the end of a transmitted binary data sequence
06/23/1982EP0054120A1 Service integrated transmission system
06/16/1982EP0053674A1 Service integrated digital transmission system
06/16/1982EP0053673A1 Service integrated digital transmission system
06/16/1982EP0053630A1 Wideband transceiver with emi suppression
06/16/1982EP0053629A1 Voiceband data set.
06/15/1982US4335455 Method and apparatus for four-wire type transmission of digital message signals
06/15/1982US4335426 Remote processor initialization in a multi-station peer-to-peer intercommunication system
06/15/1982CA1125934A1 Multiple access, time-division multiplex, satellite communications system
06/09/1982EP0053239A1 Service-integrated digital time-division multiplex transmission system
06/09/1982EP0053238A1 Service-integrated digital transmission system
06/09/1982EP0053236A1 Service-integrated digital transmission system
06/09/1982EP0053212A1 Multichannel modem and its utilization in a process and system for testing a communication network with several levels
06/08/1982US4334128 Echo canceler for homochronous data transmission systems
06/01/1982CA1124872A1 Loopback test for data-transmission channels
05/1982
05/19/1982EP0051725A1 Transmission method for digital signals
05/18/1982US4330858 Time domain supervisory channel for data terminal equipments
05/18/1982US4330687 Audio and full duplex digital data carrier system
05/11/1982US4329545 Circuit arrangement for the control of semi-duplex data transmission system
05/04/1982US4328586 Optically coupled serial communication bus
05/04/1982US4328577 Muldem automatically adjusting to system expansion and contraction
05/04/1982CA1123101A1 Data transmission system
04/1982
04/28/1982EP0050435A2 Coaxial cable/fiber optic bus network
04/21/1982EP0050082A1 Full duplex communication system for voice grade channels
04/21/1982EP0049917A1 Communication system and station suitable therefor
04/20/1982US4326287 Two wire bi-directional digital telephone link
04/14/1982EP0049670A1 Device to minimize far-end crosstalk between lines with digital time-shared transmission
04/07/1982EP0049045A2 A multi-master station, multi-channel digital communication system with channel selection provided at each terminal
04/06/1982US4323729 Circuit arrangement for the control of a crypto operation in the case of procedure-controlled semi-duplex data transmission systems
04/01/1982WO1982001111A1 Self-clocking data transmission system
03/1982
03/24/1982EP0047970A1 Method and device for synchronizing the receiving terminal of a "ping-pong" communication system
03/24/1982EP0047833A1 Data communication signalling interface
03/23/1982CA1120557A1 Balanced termination for a transmission line
03/16/1982US4320520 Transmitter/receiver for use on common cable communications system such as ethernet
03/16/1982US4320498 Auto balancing duplexer for communication lines
03/10/1982EP0046846A1 Cable communication system
03/09/1982US4319227 Three state signaling system
03/03/1982EP0046682A1 Single channel duplex communication system
03/03/1982EP0046577A1 Circuit arrangement for filters in half-duplex transmission
03/02/1982CA1119254A1 Fiber optics high speed modem
02/1982
02/23/1982US4317209 FSK Tone generator circuit
02/23/1982US4317207 Data transmission system
02/09/1982US4315167 Self-switching bidirectional digital line driver
02/09/1982CA1118058A1 Apparatus and method for a pulse regeneration system
02/02/1982CA1117670A1 Portable multiplex bus exerciser
01/1982
01/27/1982EP0044397A1 Electronic switching circuit
01/26/1982US4313193 Time division multiplex transmission apparatus
01/19/1982CA1116698A1 Duplex transmitting-receiving station
01/06/1982EP0042976A1 Bi-directional communication system for a two wire digital telephone link
12/1981
12/24/1981WO1981003729A1 Synchronous/asynchronous data communication arrangement
12/24/1981WO1981003727A1 Wideband transceiver with emi suppression
12/22/1981CA1114942A1 Bidirectional telewriting system operating in an alternating mode over a single carrier
12/22/1981CA1114933A1 Digital communication bus system
12/10/1981WO1981003559A1 Voiceband data set
11/1981
11/24/1981US4302841 Motor vehicle electrical system
11/24/1981US4302629 Digital data transmission system
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