| Patents for H04J 3 - Time-division multiplex systems (63,408) |
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| 03/30/1988 | EP0261596A2 System for transmitting and receiving data in a time-division multiplex mode applicable to a vehicle |
| 03/30/1988 | EP0261127A1 Tdm communication system for efficient spectrum utilization. |
| 03/30/1988 | EP0261112A1 Method and apparatus for controlling a tdm communication device. |
| 03/29/1988 | US4734696 System and method for transmitting information |
| 03/29/1988 | CA1234644A1 Asynchronous signaling for digital communication channel |
| 03/23/1988 | EP0260696A2 Subsidiary station capable of automatically adjusting an internal delay in response to a number signal received in a downward signal by the subsidiary station |
| 03/22/1988 | US4733390 Data transmission system |
| 03/22/1988 | CA1234435A1 Tdma point-to-multipoint communications system |
| 03/16/1988 | EP0259452A1 Voice, data or both over one telephone line in a t-1 carrier system |
| 03/16/1988 | EP0259315A1 Communication system |
| 03/16/1988 | CN87104733A Distributional controlled time-sharing multiplexer with single chip microprocessors |
| 03/15/1988 | US4731785 Combined circuit switch and packet switching system |
| 03/15/1988 | US4731781 Receiver of a digital communication apparatus |
| 03/15/1988 | US4731646 Moving-image coder with self-identification of the stuffing characters |
| 03/10/1988 | WO1988001815A1 Multiplex dividing apparatus in a synchronous multiplexing system |
| 03/10/1988 | WO1988001809A1 Adaptive threshold sampling controller |
| 03/09/1988 | EP0258584A2 Handshake sequence detector and method for detecting a handshake sequence |
| 03/08/1988 | US4730346 Method and apparatus for extracting a predetermined bit pattern from a serial bit stream |
| 03/08/1988 | US4730312 Voice, data or both over one telephone line in a T-1 carrier system |
| 03/08/1988 | US4730310 Terrestrial communications system |
| 03/08/1988 | US4730305 Fast assignment technique for use in a switching arrangement |
| 03/08/1988 | US4730302 Monitoring means for digital signal multiplex equipment |
| 03/02/1988 | EP0257634A2 Synchronisation burst transmit phase control system |
| 03/01/1988 | US4729022 Multiplexing system |
| 03/01/1988 | CA1233575A1 Data distributor capable of selecting an optional partial data signal and distribution device comprising a plurality of the data distributor |
| 02/23/1988 | US4727558 Method and apparatus for extracting a predetermined bit pattern from a serial bit stream |
| 02/23/1988 | US4727542 Higher-order multiplex digital communication system with identification patterns specific to lower-order multiplex digital signals |
| 02/23/1988 | US4727541 Hierarchical data transmission system |
| 02/23/1988 | US4727536 Variable control and data rates in highly efficient multiplexer |
| 02/17/1988 | EP0255840A1 Circuit for detecting synchronism in a digital broadcast receiver |
| 02/17/1988 | EP0255838A1 Signal processing system |
| 02/16/1988 | US4726020 Multiplex information transmission system |
| 02/16/1988 | US4726015 Digital signal channel distributor |
| 02/16/1988 | US4725835 Time multiplexed bus matrix switching system |
| 02/16/1988 | US4725812 Circuit arrangement for identifying specific bit patterns, particularly bit patterns forming synchronization signals and check loop signals and appearing as serial binary signals |
| 02/16/1988 | CA1232949A1 System for broadcasting of data, particularly to mobile stations |
| 02/10/1988 | CN85100120B Reducing waiting jitter technology for the justification |
| 02/09/1988 | CA1232693A1 Network multiplex structure |
| 02/09/1988 | CA1232666A1 Arrangement for wideband transmission via a switched network |
| 02/03/1988 | EP0255306A2 Variable data rate channel for digital network |
| 02/03/1988 | EP0255290A2 Time-slot assigner multiplexer |
| 02/03/1988 | EP0255279A2 Pattern detection method |
| 02/03/1988 | EP0255255A2 High speed bit interleaved time division multiplexer for multinode communication systems |
| 02/03/1988 | CN87104871A Modem with improved digital signal processor |
| 02/02/1988 | US4723285 Methods of broadcasting and receiving high quality sound programs and a receiver device |
| 02/02/1988 | US4723240 PCM-frame synchronizing unit |
| 02/02/1988 | CA1232346A1 Time division multiplexed computerized branch exchange |
| 01/27/1988 | EP0254386A2 Digital transmission system |
| 01/27/1988 | EP0254271A2 Multiplexer |
| 01/26/1988 | US4722093 Arrangement for detecting bursts |
| 01/26/1988 | US4722083 Satellite telecommunications system featuring multi-beam coverage and dynamically controlled allocation of the satellite transmission capacity |
| 01/26/1988 | CA1232025A1 Frequency control for point to multipoint radio |
| 01/21/1988 | EP0235257A4 Multiplexed digital packet telephone communication method. |
| 01/21/1988 | DE3624434A1 Method of arranging bursts from a pulse frame into a burst frame in descending sequence |
| 01/21/1988 | DE3623910A1 Method and arrangement for synchronising a time-division multiplex signal at the receiving end |
| 01/20/1988 | EP0253564A1 Optical communications systems |
| 01/20/1988 | EP0253281A1 Process and device for the phase adjustment of digital synchronous data streams |
| 01/20/1988 | EP0253096A2 Time synchronization method in a data transmission system |
| 01/13/1988 | EP0252630A2 Transmission system using forward error correction |
| 01/12/1988 | US4719624 Multilevel multiplexing |
| 01/12/1988 | US4719623 Method of receiving time multiplexed signals together with energy requirements of receiver over a multiplex signal transmission path |
| 01/12/1988 | CA1231473A1 Voice activity detection process and means for implementing said process |
| 01/12/1988 | CA1231413A1 Synchronisation device for digital frame transmission |
| 01/07/1988 | EP0251854A1 Method and device for the transmission of digital signals via higher rate data channels |
| 01/07/1988 | EP0251588A2 Bit interleaved multiplexer system providing byte synchronization for communicating apparatuses |
| 01/07/1988 | EP0251587A2 Variable control and data rates in highly efficient multiplexer |
| 01/05/1988 | US4718074 Dejitterizer method and apparatus |
| 01/05/1988 | US4718062 Telecommunication system for alternatingly transmitting circuit-switched and packet-switched information |
| 01/05/1988 | US4717914 Methods for receiving and converting high speed serial data pattern input signals to parallel data pattern outputs |
| 01/05/1988 | CA1231185A1 Multipriority communication system |
| 12/29/1987 | US4716561 Digital transmission including add/drop module |
| 12/29/1987 | CA1230949A1 Signal multiplexing circuit |
| 12/23/1987 | EP0250276A1 Interface between a data circuit terminating equipment and several data terminal equipments |
| 12/23/1987 | EP0250160A2 Combined circuit switch and packet switching system |
| 12/23/1987 | EP0250105A1 Radio location and apparatus |
| 12/23/1987 | EP0249935A2 Frame synchronizing circuit |
| 12/23/1987 | DE3620835A1 Method for monitoring a digital hierarchically structured information transmission network |
| 12/15/1987 | US4713809 Time division multiple access radio communications system |
| 12/15/1987 | US4713804 Method and device for converting digital channel multiframes into packet multiframes |
| 12/15/1987 | US4713776 System for simultaneously coding and decoding a plurality of signals |
| 12/15/1987 | CA1230380A1 Optical communication system using digital pulse position modulation |
| 12/10/1987 | DE3619371A1 Method for multiplexing and demultiplexing plesiochronous digital signals |
| 12/09/1987 | EP0248551A2 Synchronization of asynchronous data signals |
| 12/08/1987 | US4712225 Phase quantizer apparatus |
| 12/08/1987 | US4712224 Offset digitally controlled oscillator |
| 12/08/1987 | US4712212 Terminal control device for reference station in TDMA satellite communication system |
| 12/08/1987 | US4712209 Monitoring apparatus capable of monitoring a digital equipment by the use of a synchronization signal |
| 12/02/1987 | EP0247625A2 A digital signal transmitting system |
| 12/02/1987 | EP0247607A2 Phase modulator apparatus for generating a burst phase-modulated wave |
| 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 |
| 12/01/1987 | US4710921 Digital signal transmitting system |
| 12/01/1987 | US4710920 Bit interleaved multiplexer system providing byte synchronization for communicating apparatuses |
| 12/01/1987 | CA1229889A1 Maintenance response signalling arrangement for a digital transmission system |
| 11/25/1987 | EP0247026A2 Method for synchronizing the time clocks of computing devices connected to a communication medium, and the computing devices concerned |
| 11/25/1987 | EP0246619A2 System and method for transmitting auxiliary signal in a multiplex communication system |
| 11/19/1987 | WO1987007100A1 Multilevel multiplexing |
| 11/17/1987 | US4707730 Sync extraction for a broadcasting system with time multiplexing of digital and analog signals |
| 11/17/1987 | CA1229436A1 Multidirection multiplex communication systems |
| 11/17/1987 | CA1229434A1 Multiplexer for bit oriented protocol data link control |