| Patents for H04L 5 - Arrangements affording multiple use of the transmission path (28,368) |
|---|
| 09/15/1987 | US4694470 Data transmission circuit |
| 09/15/1987 | CA1303696B Plant management system |
| 09/15/1987 | CA1226918A1 Two-wire duplex data transmission system |
| 09/09/1987 | EP0235157A1 Optical communication apparatus for a vehicle. |
| 09/08/1987 | CA1226639A1 Prioritized unidirectional distribution bus accessing system |
| 09/01/1987 | US4691385 Optical communication apparatus for a vehicle |
| 09/01/1987 | US4691342 Multi-speed, full duplex modem |
| 09/01/1987 | CA1226347A1 Selective fading protection system |
| 08/25/1987 | US4689620 Method and apparatus for data transmission between a transmission and a receiver disposed in a drill hole and a transmitter and a receiver disposed above ground |
| 08/12/1987 | EP0231959A1 Arrangement for full-duplex data transmission over two-wire circuits |
| 08/12/1987 | EP0231413A1 Circuit for the junction of lines in local networks |
| 08/11/1987 | US4686703 System for bidirectional digital transmission with echo cancellation |
| 08/11/1987 | US4686560 Phase locked loop system including analog and digital components |
| 07/30/1987 | DE3528767A1 TDMA point-to-multipoint communication system |
| 07/27/1987 | EP0165242A4 Fiber optic digital data transmitting system. |
| 07/22/1987 | EP0229524A1 Duplex frequency division multiplex modem system with echo cancellation |
| 07/21/1987 | US4682342 Signal transmission system |
| 07/16/1987 | WO1987004311A1 Method of data communication by radio and arrangement therefor |
| 07/08/1987 | EP0228214A2 Apparatus and associated method for converting serial data pattern signals transmitted or suitable for transmission over a high speed synchronous serial transmission media, to parallel pattern output signals |
| 07/08/1987 | EP0228213A2 System for transmitting and receiving asynchronous nonhomogeneous variable width parallel data over a synchronous high speed serial transmission media |
| 07/07/1987 | US4679227 Ensemble modem structure for imperfect transmission media |
| 07/07/1987 | US4679191 Variable bandwidth switching system |
| 07/07/1987 | US4679188 Digital transmission system |
| 07/01/1987 | EP0227378A2 Method for receiving and converting high speed serial data pattern input signals to parallel data pattern output |
| 07/01/1987 | EP0227164A2 Integrated services digital information transmission system with devices for the simultaneous transmission of broad-band and narrow-band signals |
| 06/30/1987 | US4677686 Passive transmission of data over cable TV systems |
| 06/30/1987 | US4677608 Method of transferring an additional information channel across a transmission medium |
| 06/30/1987 | CA1223668A1 Interface circuit for interfacing between asynchronous data in start/stop format and synchronous data |
| 06/23/1987 | US4675863 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
| 06/23/1987 | US4675861 Fiber optic multiplexer |
| 06/16/1987 | EP0225652A2 Automatic retrain method for a full duplex modem having an echo canceller and an equalizer |
| 06/04/1987 | WO1987003434A1 Method and apparatus for encoding and transmitting signals |
| 06/02/1987 | US4670886 Receiver/driver/repeater interface |
| 05/26/1987 | US4669090 Half-duplex modem without turnaround delay |
| 05/20/1987 | EP0222630A1 Device for the simultaneous transmission of two pieces of information on the same electrical line in opposite directions |
| 05/20/1987 | EP0221975A1 Television set with receiver devices for the processing of videotext and/or screen text signals. |
| 05/14/1987 | DE3539494A1 Radio transmission arrangement for data signals |
| 05/13/1987 | EP0132272B1 Telecommunication terminal |
| 05/13/1987 | CN86107097A Two wires communication mode |
| 05/06/1987 | EP0220626A2 Bi-directional transceiver circuit |
| 05/05/1987 | CA1221431A2 Method and apparatus for communicating variable length messages between a primary station and remote stations of a data communications system |
| 04/28/1987 | CA1221170A1 Line transmission systems |
| 04/22/1987 | EP0219120A2 Two-wire communication system |
| 04/15/1987 | EP0218046A1 Arrangement for a traffic guiding and information system |
| 04/14/1987 | EP0162861A4 Fiber optic coupler/connector device and electronic/fiber optic interface device. |
| 03/31/1987 | US4654844 Bi-directional coupler |
| 03/31/1987 | US4654843 Signal distribution system |
| 03/31/1987 | CA1219939A1 Exchange system |
| 03/24/1987 | US4653044 Data communicating method with capability of full-duplex communication over two-wire circuit |
| 03/17/1987 | US4651317 Time division multiplex data transmission system |
| 03/12/1987 | WO1987001538A1 Optical communication apparatus for a vehicle |
| 03/11/1987 | EP0213576A2 An information transmission and reception system for a vehicle |
| 03/03/1987 | US4648132 Communication control apparatus |
| 02/24/1987 | US4646320 Automatic digital strapping apparatus for data modems |
| 02/24/1987 | US4646289 Signal multiplexing circuit |
| 02/17/1987 | US4644534 TDMA point-to-multipoint communications system and its use |
| 02/17/1987 | US4644525 Line transmission systems |
| 02/17/1987 | US4644346 Multiplex transmission system |
| 02/17/1987 | CA1218144A1 Two-way cable-television system |
| 02/10/1987 | CA1217832A Digital communication system |
| 02/04/1987 | EP0210811A2 Time division multiple access radio communication system |
| 02/04/1987 | EP0210698A2 Radio transmission system with a variable time slot duration in a time division multiplex frame |
| 02/04/1987 | EP0210688A2 Signal transmission system and a transmitter and a receiver for use in the system |
| 02/04/1987 | EP0210365A2 Sound transmission method for data way system |
| 02/03/1987 | US4641364 Function coding via digital addresses in a two-way system |
| 02/03/1987 | US4641318 Method for improving the reliability of data transmission over Rayleigh fading channels |
| 02/03/1987 | CA1217564A1 Serial to parallel data conversion circuit |
| 01/31/1987 | CN85101794A Duplex speech transmitting method and its system |
| 01/28/1987 | CN85104080A Method station and system for the transmission of messages in the form of data packets |
| 01/24/1987 | CN85101659A Transmission system for tv |
| 01/21/1987 | EP0208915A1 Method for demodulating a frequency and phaseshift keyed signal |
| 01/21/1987 | EP0208905A1 Method for generating an FSK-PSK-modulated signal |
| 01/20/1987 | US4638473 Two wire bidirectional digital transmission system |
| 01/15/1987 | DE3525105A1 Method and circuit arrangement for transmitting information via a transmission path |
| 01/14/1987 | EP0208021A2 TDMA point-to-multipoint communication system |
| 01/14/1987 | CN85103519A Pulse/direct current multiplexing circuit in key telephone system |
| 01/13/1987 | US4637035 Digital modem for multiple telephone circuits |
| 01/13/1987 | US4637016 Frame synchronization circuit for digital transmission system |
| 01/06/1987 | US4635253 Exchange system including plural terminals for voice and data transmission |
| 01/06/1987 | US4635248 Start-stop synchronous data transmission system with a reduced redundancy |
| 01/02/1987 | DE3523238A1 Method for the transmission of digital signals |
| 12/30/1986 | US4633489 Interface unit inserted between a data transfer unit and a processor unit |
| 12/23/1986 | US4631733 For applying substantially square wave data signals |
| 12/23/1986 | US4631721 Bidirectional communication system of a two-wire bus comprising an active terminator |
| 12/23/1986 | US4631720 Service integrated transmission system |
| 12/16/1986 | US4630284 Low power line driving digital transmission system |
| 12/16/1986 | US4630257 Duplex speech transmission method and a system therefor |
| 12/10/1986 | CN85104513A Digital signal transmitting system |
| 12/09/1986 | US4628504 Distributed bus control communication protocol |
| 12/09/1986 | CA1215119A1 Fiber optic digital data transmitting system |
| 12/04/1986 | WO1986007223A1 Ensemble modem structure for imperfect transmission media |
| 11/26/1986 | EP0202596A2 Improvements to the systems for bidirectional digital transmission with echo-cancellation |
| 11/26/1986 | CN86103406A Ensemble modem structure for imperfect transmission media |
| 11/20/1986 | WO1986006910A1 Television set with receiver devices for the processing of videotext and/or screen text signals |
| 11/12/1986 | CN85103698A Transmitting a digital signal and an additional signal |
| 11/12/1986 | CA1213956A Asynchronous data transmission method and circuitry |
| 11/12/1986 | CA1213943A Digital signal transmission system |
| 11/12/1986 | CA1213942A Digital signal transmission system |
| 11/11/1986 | US4622551 Half-duplex industrial communications system |
| 11/04/1986 | US4621367 Signal level compensation in an in-line data communication system |