| Patents for H04L 5 - Arrangements affording multiple use of the transmission path (28,368) |
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| 08/16/1988 | CA1240752A1 Packet transmission and reception via a shared dma channel |
| 08/16/1988 | CA1240751A1 Systems for bidirectional digital transmission with echo cancellation |
| 08/09/1988 | US4763326 Service-integrating, digital message transmission system for joint transmission of narrow-band and broadband signals |
| 08/09/1988 | US4763322 Digital radio transmission system with variable duration of the time slots in the time-division multiplex frame |
| 08/03/1988 | CN87100491A Single frequency duplexer communication system |
| 08/02/1988 | US4761800 Method and apparatus for detecting a rate of data transmission |
| 07/28/1988 | WO1988005621A1 Transmission system |
| 07/27/1988 | EP0275790A1 Terminal for data transmission over an analogous bidirectional line with echo cancellation coupled to the reception clock |
| 07/19/1988 | US4759014 Asynchronous-to-synchronous digital data multiplexer/demultiplexer with asynchronous clock regeneration |
| 07/19/1988 | US4758836 Inductive coupling system for the bi-directional transmission of digital data |
| 07/13/1988 | CN87213129U Multichannel receiver-transmitter for different speeds asynchronous data signals |
| 07/05/1988 | US4755988 Data communications switching device having multiple switches operating at plural selectable data rates |
| 06/30/1988 | DE3643834A1 Method for two-way transmission of digital signals |
| 06/29/1988 | EP0272956A1 Digital transmission system with a coherent demodulation adapted to the simultaneous transmission of two binary signals |
| 06/28/1988 | US4754452 Optical local area network using a common optical carrier with separate user angle modulation |
| 06/21/1988 | CA1238382A1 System for bidirectional digital transmission with echo-cancellation |
| 06/21/1988 | CA1238381A1 Multi-stage echo canceller |
| 06/16/1988 | WO1988004498A1 Duplex data transmission |
| 06/16/1988 | EP0142551A4 Variable bandwidth switching system. |
| 06/16/1988 | EP0141852A4 Integrated voice/data/control switching system. |
| 06/07/1988 | US4750165 Method of duplex data transmission using a send-and-wait protocol |
| 06/07/1988 | US4750036 Interactive television and data transmission system |
| 05/31/1988 | US4748625 Optimum baud rate transmission system |
| 05/19/1988 | WO1988003731A1 Terminator for a transceiver device |
| 05/18/1988 | EP0267280A1 Interactive television and data transmission system. |
| 05/17/1988 | US4745302 Asynchronous signal synchronizing circuit |
| 05/17/1988 | CA1236884A1 Optical communication apparatus for a vehicle |
| 05/11/1988 | EP0266870A2 Local area network with a common carrier signal |
| 05/10/1988 | US4744092 Transparent error detection in half duplex modems |
| 04/26/1988 | US4740992 Peer relationship transceiver |
| 04/26/1988 | US4740952 Device for the simultaneous transmission of two data signals over the same electrical line in opposite directions |
| 04/20/1988 | EP0263907A1 Arrangement for the parallel processing of control signals in a fanin/fanout modem |
| 04/12/1988 | US4737967 Remote monitoring system receiver with dual baud rate selector |
| 04/12/1988 | US4737787 Two-wire communication system |
| 04/05/1988 | US4736388 Automatic fall back and restore system for data communication |
| 03/31/1988 | DE3632797A1 Circuit arrangement for telecommunication systems, particularly telephone switching systems, with bidirectional communication paths |
| 03/30/1988 | EP0261740A2 Two-wire time-shared method and circuit arrangement for full-duplex transmission between a main station and a substation |
| 03/23/1988 | EP0260889A2 Full-duplex modem |
| 03/23/1988 | EP0260678A1 Full duplex modem having two echo cancellers for a near end echo and a far end echo |
| 03/23/1988 | EP0260470A2 High speed modem |
| 03/22/1988 | CA1234435A1 Tdma point-to-multipoint communications system |
| 03/16/1988 | CN87104733A Distributional controlled time-sharing multiplexer with single chip microprocessors |
| 03/15/1988 | US4731816 Ensemble modem structure for imperfect transmission media |
| 03/10/1988 | WO1988001809A1 Adaptive threshold sampling controller |
| 03/09/1988 | CN87104106A Interactive television and data transmission system |
| 03/01/1988 | CA1233525A1 Method for improving the reliability of data transmission over rayleigh fading channels |
| 02/25/1988 | WO1988000417A3 Method and installation for digital communication, particularly between and toward moving vehicles |
| 02/23/1988 | US4727541 Hierarchical data transmission system |
| 02/17/1988 | EP0053629B1 Voiceband data set |
| 02/16/1988 | US4726034 Circuit arrangement for the transmission of binary signals |
| 02/09/1988 | CA1232636A1 Telemetry interface system to transmit variable-rate telemetry data through a 1.544 mbps digital service channel |
| 01/26/1988 | CA1232021A1 Digital signal processor modem |
| 01/20/1988 | EP0253564A1 Optical communications systems |
| 01/20/1988 | CN87103125A Communication channel transceiver |
| 01/19/1988 | US4720827 Optical communication set |
| 01/19/1988 | CA1231788A1 Duplex speech transmission method and a system therefor |
| 01/19/1988 | CA1231765A1 Bidirectional repeater apparatus |
| 01/19/1988 | CA1231764A1 Industrial communications system |
| 01/14/1988 | WO1988000417A2 Method and installation for digital communication, particularly between and toward moving vehicles |
| 01/12/1988 | CA1231459A1 Scannerless message concentrator and communications multiplexer |
| 01/05/1988 | US4717914 Methods for receiving and converting high speed serial data pattern input signals to parallel data pattern outputs |
| 12/29/1987 | US4716576 Apparatus for controlling transmitter-receiver |
| 12/29/1987 | US4716408 Data transmission system of the star type with enablement passing |
| 12/29/1987 | CA1230949A1 Signal multiplexing circuit |
| 12/22/1987 | US4715064 Adaptive hybrid circuit |
| 12/22/1987 | CA1230662A1 Integrated digital network (idn) |
| 12/15/1987 | US4713827 Terminator for a cmos transceiver device |
| 12/15/1987 | US4713809 Time division multiple access radio communications system |
| 12/15/1987 | US4713803 Bidirectional digital transmission system with echo-cancellation |
| 12/15/1987 | US4713702 Data communication apparatus |
| 12/08/1987 | US4711976 Data transmission facility |
| 12/02/1987 | EP0247891A2 Phase locked loop system |
| 12/02/1987 | EP0247675A1 Transmitter for ISDN S-bus interface circuit |
| 12/02/1987 | EP0247189A1 Apparatus for encoding and transmitting signals. |
| 12/01/1987 | US4710922 Apparatus and associated methods for converting serial data pattern signals transmitted or suitable for transmission over a high speed synchronous serial transmission media, to parallel pattern output signals |
| 11/25/1987 | EP0246480A2 Circuit in telephone exchanges for the evaluation of binary signs of which the binary values are created by fixed current values different from each other |
| 11/25/1987 | CN86103381A Numerical multi-frequecy signal pick-up |
| 11/24/1987 | US4709414 Optical fiber order wire system |
| 11/19/1987 | WO1987007109A1 Interactive television and data transmission system |
| 11/19/1987 | EP0246132A1 Bidirectional interface circuit presenting a unipolar and a bipolar acces for logical signals |
| 11/19/1987 | EP0245972A2 Communication channel transceiver |
| 11/17/1987 | US4707782 Method for effecting one timer interrupt for multiple port communication |
| 11/11/1987 | EP0245196A2 Method for data transmission between a fixed part and a mobile part |
| 11/11/1987 | CN87103334A Method of duplex data transmission using send-and-wait protocol |
| 11/05/1987 | WO1987006788A1 Multi-speed, full duplex modem |
| 11/04/1987 | EP0244117A2 A method of duplex data transmission using a send-and-wait protocol |
| 10/28/1987 | EP0242953A1 Multiplex system |
| 10/27/1987 | US4703198 Bi-directional data transfer circuit that is directionally responsive to the impedance condition of an associated input/output port of a microcomputer |
| 10/20/1987 | US4701938 Data system |
| 10/20/1987 | CA1228435A1 Method and system of transmitting digital information in a transmission ring |
| 10/13/1987 | US4700342 Remote repeater in transmission bus system |
| 10/07/1987 | EP0240157A2 A single transmission line bidirectional optical communication system |
| 10/07/1987 | EP0239844A1 Time regeneration circuit arrangement for wide band digital signals |
| 10/06/1987 | US4698800 Bi-directional transceiver circuit |
| 09/30/1987 | EP0239236A1 Multiplex system |
| 09/29/1987 | US4697276 Apparatus for synchronizing pulse trains in a digital telephone system |
| 09/29/1987 | US4697183 Means for non-contacting signal and energy transmission |
| 09/16/1987 | EP0237195A1 Multiplex system including shielded cable |
| 09/16/1987 | EP0236579A1 Method for the transmission of fixed-frequency signals, especially teletype writer signals |
| 09/15/1987 | US4694471 Digital data communicating |