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)
01/1984
01/11/1984EP0098259A2 Circuit arrangement for controlling the quasi-synchronous transmission of data
01/11/1984EP0098001A2 Digital duplex communication system
01/11/1984EP0098000A2 Digital duplex communication system
01/10/1984US4425663 Low input capacitance data network transceiver
12/1983
12/28/1983EP0096943A2 Terminal arrangement for a duplex transmission system
12/28/1983EP0096936A1 Method of reducing the convergence time of an echo canceller, and apparatus for carrying out this method
12/27/1983US4423506 Wire data transmission system
12/13/1983US4420842 Fiber optic digital data transmitting system
12/13/1983US4420841 Optically coupled bidirectional transceiver
12/06/1983US4419756 Voiceband data set
12/06/1983US4419752 Circuit arrangement for transmitting two signals over one line in opposite directions
12/06/1983US4419751 Multiport modem and the use thereof in a method and a system for testing a multilevel communication network
12/06/1983US4419592 Bidirection data switch sequencing circuit
11/1983
11/23/1983EP0094624A2 Apparatus for generating quaternary signals
11/16/1983EP0094058A2 Demodulation device for composite PSK-PSK modulated waves
11/15/1983US4415881 Digital-to-analog converter
11/15/1983CA1157163A1 Communication control equipment
11/02/1983EP0092569A1 A fir-type balance filter incorporated in the transmitter-receiver unit in a telecommunication system.
10/1983
10/25/1983CA1155977A1 Decoding tim bus structure
10/18/1983US4411006 Digital bit rate synchronizer for digital echo cancellers and similar signal processing devices
10/18/1983US4411004 Inductively coupled sensing circuit and priority system
10/18/1983US4410980 Time division multiplexing system
10/12/1983EP0091014A2 Method of data transmission over telephone circuits and modem therefor
10/11/1983CA1155194A1 Optically coupled serial communication bus
10/04/1983US4408353 Coaxial cable/fiber optic bus network
09/1983
09/20/1983CA1154181A1 Digital radio transmission system for transmitting a plurality of information signals by a network of transmitters having substantially the same carrier frequencies
09/13/1983US4404672 Subscriber terminal for use in a time shared bidirectional digital communication network
09/13/1983US4404532 Modulator having improved bandwidth and power requirements
09/07/1983EP0088020A1 Digital multilevel modulator with compensation of the direct current component
08/1983
08/31/1983EP0087265A1 Line transmission systems
08/31/1983EP0087153A1 Digital signal multiplexer for high data rates
08/30/1983CA1153127A1 Interleaved tdma terrestrial interface buffer
08/30/1983CA1153122A1 Data processing system with direct device-to-device data transfers
08/23/1983CA1152595A1 Echo canceler with high-pass filter
08/23/1983CA1152594A1 Echo canceler for homochronous data transmission systems
08/17/1983EP0085973A2 Information transmission system
08/17/1983EP0085753A1 System for the transmission of digital signal pulses over the lines of an A.C. distribution network
08/16/1983US4399530 Method and apparatus for coding and decoding binary data
08/10/1983EP0085337A2 Digital telecommunication system
08/09/1983US4398298 Communication system having stations capable of detecting another station's
08/09/1983CA1151743A1 Serial data bus communication system
08/03/1983EP0020669B1 A process and an apparatus for transferring binary information representing at least two parameters
07/1983
07/26/1983CA1150865A1 Time division multiplex communication systems
07/26/1983CA1150794A1 High impedance transceiver for tapped bus transmission systems
07/20/1983EP0083895A1 Microwave circuit acting as modulator, mixer and transmission-reception separator and devices using such a circuit
07/19/1983USRE31319 Digital data communication system
07/19/1983US4394767 Data transmission over long distance circuits
07/19/1983CA1150427A1 Universal demultiplexer
07/12/1983US4393501 Line protocol for communication system
07/12/1983US4393494 Transceiver for full-duplex transmission of digital signals over a common line
07/12/1983CA1149899A1 Repeating station for use in digital data communication links
07/05/1983CA1149529A1 Digital data transmission system
06/1983
06/28/1983US4390986 Digital subscriber communication system
06/28/1983US4390980 Demultiplexing plural data streams
06/22/1983EP0035992B1 Data transmission arrangement
06/21/1983US4389722 Method for the simultaneous transmission of a plurality of data stream over one transmission channel
06/15/1983EP0081437A1 Echo cancelling system
06/14/1983US4388732 Fiber optic data link
06/14/1983US4388716 Two-way transmission system
06/14/1983US4388697 Voiceband data set circuitry with dual bus architecture
06/08/1983EP0080688A1 Method and device for the detection of data or of signalling on a telephonic path
06/07/1983US4387466 Half-duplex digital transmission system
06/07/1983CA1147875A1 Packet transmission system with voice signal priority
06/01/1983EP0080201A1 Method of and device for passband echo-cancelling for phase-modulated data signals
05/1983
05/25/1983EP0079527A2 Data transmission installation for full duplex transmission
05/24/1983USRE31253 Echo cancellation in two-wire, two-way data transmission systems
05/24/1983US4385381 Digital radio transmission system for transmitting a plurality of information signals by a network of transmitters having substantially the same carrier frequencies
05/24/1983CA1147061A1 Self-optimizing touch pad sensor circuit
05/17/1983US4384356 Wide band modem for high speed data transmission
05/17/1983CA1146649A1 Optical loop communication system
05/11/1983WO1983001716A1 Method of providing adaptive echo cancellation in transmission of digital information in duplex, and apparatus for performing the method
05/11/1983WO1983001715A1 An fir-type balance filter incorporated in the transmitter-receiver unit in a telecommunication system
05/10/1983US4383315 Idle time slot seizure and transmission facilities for loop communication system
05/04/1983EP0078185A2 Broadcasted data packet receiver
04/1983
04/27/1983EP0077712A1 Data broadcasting system with packets
04/26/1983CA1145489A1 Modem with automatic port reconfiguration apparatus
04/20/1983EP0077252A1 Process for the time-multiplexing of information on a transmission support, and devices therefor
04/19/1983CA1145002A1 System for the asynchronous transporting of data between active functional units
04/13/1983EP0076505A1 Digital transmitting system
04/12/1983US4380060 Device for push-pull transmission
03/1983
03/29/1983US4378598 Multi-terminal communications systems suitable for vehicle radio harness
03/29/1983CA1143813A1 Transceiver for full-duplex transmission of digital signals on a single line
03/16/1983EP0074089A1 Digital bit rate synchronizer for digital echo cancellers and similar signal processing devices
03/16/1983EP0073869A1 Data receiving apparatus with listener echo canceller
03/02/1983EP0073043A1 Time domain multiplexer
03/02/1983EP0072857A1 Data communication system.
03/01/1983US4375691 Method and device for frequency translation
02/1983
02/22/1983US4375103 Method and apparatus of signalling request to send clear to send delay
02/15/1983CA1141492A1 Data transmission process and device applying said process
02/09/1983EP0071325A2 Method of and apparatus for demultiplexing a composite signal containing a plurality of data streams
02/09/1983EP0071192A1 System for baseband digital transmission in both directions on a two-wire line
02/03/1983WO1983000412A1 Idle time slot seizure and transmission facilities for loop communication system
01/1983
01/25/1983US4370745 Fail-safe transmission system
01/25/1983US4370744 Time division multiplex communication system
01/25/1983CA1140230A1 Method for carrying out loopback test
01/20/1983WO1983000266A1 Data signal echo canceller
01/19/1983EP0070236A1 Echo phase compensation apparatus and its application to echo cancellers
01/18/1983US4369516 Self-clocking data transmission system
01/12/1983EP0069595A2 Data transmission over long distance circuits
01/12/1983EP0069561A1 Data transmission system
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