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)
12/1985
12/31/1985CA1198824A1 Burst signal transmission system
12/31/1985CA1198781A1 Multifunction ultra-high frequency circuit and means using such a circuit
12/27/1985EP0165242A1 Fiber optic digital data transmitting system.
12/24/1985US4561117 Fiber optic digital data transmitting system
12/17/1985US4559634 PSK Modem having dual-integrator voltage controlled oscillator
12/10/1985US4558455 Data transmission system
12/04/1985EP0162861A1 Fiber optic coupler/connector device and electronic/fiber optic interface device
12/03/1985US4556958 Device for single line bidirectional data transmission between an intelligent card's microprocessor and a second processor
12/03/1985US4556850 Serial to parallel data conversion circuit
11/1985
11/21/1985WO1985005234A1 High-speed digital loop transceiver
11/19/1985US4554660 One-way data transmission system
11/19/1985CA1196981A1 Time-division multiplex transmission system
11/19/1985CA1196979A1 Asynchronous interface
11/19/1985CA1196978A1 Asynchronous interface
11/12/1985US4553234 Method and system of transmitting digital information in a transmission ring
11/12/1985CA1196703A1 Method for digital data transmission with bit-echoed arbitration
11/12/1985CA1196702A1 Adaptively synchronized ring network for data communication
11/05/1985US4551583 Control signal transmission system for key telephone system
11/05/1985CA1196407A1 Data transmission systems for full duplex communication
10/1985
10/30/1985EP0159362A1 Data transmission system
10/29/1985US4550306 Signal transmission system for fire alarm junction line
10/22/1985US4549294 Time-of-arrival pulsed waveform multiplexer
10/22/1985US4549290 Voice/data digital, duplex link
10/22/1985CA1195781A1 Computer bus interpolator
10/15/1985CA1195429A1 Information transmission system for multiplexed wiring system
10/10/1985WO1985004540A1 Two-wire duplex data transmission system
10/09/1985EP0157704A2 Duplex transmission mechanism for digital telephones
10/08/1985CA1194953A1 Echo phase compensating device and application thereof to echo cancellation devices
10/02/1985EP0156654A2 Control method for a half-duplex data transmission system
10/02/1985EP0156348A2 Digital bidirectional transmission system with echo-cancellation
10/01/1985US4545048 Service integrated digital transmission system
09/1985
09/24/1985CA1194173A1 Communication system and station suitable therefor
09/24/1985CA1194167A1 Digital duplex communication system
09/24/1985CA1194166A1 Digital duplex communication system
09/24/1985CA1194165A1 Method of reducing the convergence time of an echo canceller and apparatus for carrying out said method
09/24/1985CA1194138A1 Terminal arrangement for a duplex transmission system
09/18/1985EP0155001A2 Method to reverse the transmission speed in a data transmission system operating at one of two different speeds
09/04/1985EP0053623B1 Data multiplexing apparatus and method, and receiver for use therewith
09/03/1985US4539678 Synchronization system for a closed-loop multiplex communication network
09/03/1985US4539674 In a telecommunications system
08/1985
08/27/1985CA1192643A1 Wideband transceiver with emi suppression
08/13/1985US4535451 Fourth-order digital multiplex system for transmitting a plurality of digital signals at a nominal bit rate of 44 736 kbit/s
08/13/1985US4535450 Digital signal repeating system
08/13/1985US4535449 Time-locking method for stations which form part of a local loop network, and local loop network for performing this time-locking method
08/13/1985US4535443 Terminal arrangement for a duplex transmission system
08/06/1985US4534064 Fault location arrangement for digital optical transmission system
08/01/1985WO1985003396A1 Data transmission system
07/1985
07/30/1985CA1191224A1 Method of providing adaptive echo cancellation in transmission of digital information in duplex, and apparatus for performing the method
07/18/1985WO1985003181A1 Apparatus for sychronizing pulse trains in a digital telephone system
07/16/1985US4529950 Digital phase and amplitude modulator
07/04/1985WO1985002960A1 Converter/line driver circuit for a line repeater
07/03/1985EP0147008A2 Bilateral digital FSK communication system interface using digital technique
07/02/1985CA1189928A1 Full-duplex transmission of bit streams serially and in bit-synchronism on a bus between two terminals
07/02/1985CA1189926A1 Arrangement for cancelling echo signals
07/01/1985EP0072857A4 Data communication system.
06/1985
06/25/1985US4525834 Service integrated digital transmission system
06/25/1985US4525833 Process for time-sequenced multiplexing of data on a transmission medium and devices to implement this process
06/20/1985WO1985002733A1 Fiber optic digital data transmitting system
06/19/1985EP0145097A2 Duplex speech transmission method and a system therefor
06/11/1985US4523310 Synchronous communications multiplexer
06/11/1985US4523297 Hand-held processor with two-way dialog between microprocessor in case and microprocessor on carrier insertable into casing slot
06/11/1985CA1188761A1 Single terminal negative capacitance generator for response time enhancement
06/04/1985US4521749 Simultaneous amplitude and angle modulation using detection of complex zeroes
06/04/1985CA1188368A1 Radio receiver system including a control unit and a remote unit
05/1985
05/29/1985EP0142551A1 Variable bandwidth switching system
05/23/1985WO1985002271A1 Fiber optic coupler/connector device and electronic/fiber optic interface device
05/22/1985EP0141852A1 Integrated voice/data/control switching system
05/21/1985US4519052 Electronic roll-a-long switch
05/15/1985EP0141480A2 A communication system of unipolar pulses
05/07/1985CA1186762A1 Device for minimizing far-end crosstalk between half- duplex digital transmission lines
05/02/1985EP0138840A1 Synchronous communications multiplexer
04/1985
04/30/1985US4514840 Data transmission systems for full duplex communication
04/17/1985EP0137225A1 Bidirectional communication system of a two-wire bus comprising an active terminator
04/16/1985US4512017 Digital dual channel communication terminal
04/16/1985US4512016 Digital communication station signaling control
04/10/1985EP0136724A2 Multiplex transmission system
04/02/1985US4509073 Two-way cable-television system
03/1985
03/28/1985WO1985001407A1 Digital signal processor modem
03/27/1985EP0135342A2 Exchange system
03/26/1985US4507793 Digital signal transmission system
03/26/1985US4507778 Digital transmission system
03/26/1985CA1184684A1 High speed dial-up telephone circuit full duplex data transmission techniques
03/19/1985US4506356 Service integrated digital transmission system operating in time multiplex
03/19/1985CA1184324A1 Automatic framing in time division multiplexer
03/14/1985WO1985001168A1 Data transmission system
03/12/1985US4504959 Noise-neutralizing digital interface circuit
03/12/1985US4504943 Time domain multiplexer
03/12/1985CA1183900A1 Optically coupled bidirectional transceiver
03/05/1985US4503513 Radio receiver system including a control unit and a remote unit
03/05/1985US4503430 Apparatus for transmitting signals in a power driven textile machine
03/05/1985CA1183619A1 Digital transmitting system
02/1985
02/26/1985US4502137 In a multipoint communication network
02/19/1985US4500991 Circuit arrangement for the control of the transmission of digital signals, particularly PCM-signals, between stations of a time division multiplex telecommunication network particularly PCM-time division multiplex telecommunication network
02/19/1985US4500989 Digital communication system
02/19/1985US4500988 VLSI Wired-OR driver/receiver circuit
02/19/1985CA1182935A1 Data transmission over long distance circuits
02/12/1985CA1182576A1 Automatic digital strapping apparatus for data modems
02/05/1985US4498167 TDM Communication system
02/05/1985US4498050 Demodulation device for composite PSK-PSK modulated waves
01/1985
01/30/1985EP0132272A1 Telecommunication terminal.
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