| Patents for H04L 12 - Data switching networks (448,999) |
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| 02/26/1987 | WO1987001253A1 Bandwidth efficient multipoint date communication system |
| 02/26/1987 | DE3337648A1 Radio network with a multiplicity of mobile stations |
| 02/26/1987 | DE3337646A1 Radio network with a multiplicity of mobile stations |
| 02/25/1987 | EP0211567A2 Spread spectrum power line communications |
| 02/25/1987 | EP0211337A2 Burst-switching communications system |
| 02/25/1987 | EP0211336A2 Port circuit for coupling an end-user instrument with a port of a communications system |
| 02/24/1987 | US4646361 Optical star repeater |
| 02/24/1987 | US4646319 Bidirectional bus coupler presenting peak impedance at carrier frequency |
| 02/24/1987 | US4646294 High-speed queue sequencer for a burst-switching communications system |
| 02/24/1987 | US4646293 Multiaccess communications system |
| 02/24/1987 | US4646292 Link controller |
| 02/24/1987 | US4646291 Synchronization apparatus in transmitting information on a simplex bus |
| 02/24/1987 | US4646289 Signal multiplexing circuit |
| 02/24/1987 | US4646232 Microprocessor with integrated CPU, RAM, timer, bus arbiter data for communication system |
| 02/24/1987 | CA1218437A1 Method of polling to ascertain service needs |
| 02/24/1987 | CA1218436A1 Data transmitting and receiving apparatus |
| 02/17/1987 | US4644587 Optical data communication system |
| 02/17/1987 | US4644534 TDMA point-to-multipoint communications system and its use |
| 02/17/1987 | US4644533 Packet switch trunk circuit queueing arrangement |
| 02/17/1987 | US4644532 Automatic update of topology in a hybrid network |
| 02/17/1987 | US4644529 High-speed switching processor for a burst-switching communications system |
| 02/17/1987 | US4644470 Non-unique names for broadcast messages |
| 02/17/1987 | US4644348 Apparatus for providing masterless collision detection |
| 02/17/1987 | CA1218114A1 Deterministic multi-access method for a decentralized mobile radio system |
| 02/11/1987 | CN86102839A Peripheral bus |
| 02/10/1987 | US4642805 Digital link for telephone station sets |
| 02/10/1987 | US4642755 Shared memory with two distinct addressing structures |
| 02/10/1987 | US4642630 Method and apparatus for bus contention resolution |
| 02/10/1987 | US4642607 Power line carrier communications system transformer bridge |
| 02/05/1987 | DE3525519A1 Rbertragungssystem Rbertragungssystem |
| 02/04/1987 | EP0210598A2 High-speed queue sequencer for a burst-switching communications system |
| 02/04/1987 | EP0210597A2 Link switch for a burst-switching communications system |
| 02/04/1987 | EP0210596A2 Methods of installing and assigning control processors in a distributed-control communications system |
| 02/04/1987 | EP0210595A2 Burst-switching method for an integrated communications system |
| 02/04/1987 | EP0210594A2 Switching apparatus for burst-switching communications system |
| 02/04/1987 | EP0210593A2 High-speed switching processor for a burst-switching communications system |
| 02/04/1987 | EP0210592A2 Methods of establishing and terminating connections in a distributed-control communications system |
| 02/04/1987 | EP0210365A2 Sound transmission method for data way system |
| 02/04/1987 | EP0210213A1 Radio pager with error detection. |
| 02/03/1987 | US4641378 Fiber optic communication module |
| 02/03/1987 | US4641375 Local area network |
| 02/03/1987 | US4641308 Method of internal self-test of microprocessor using microcode |
| 02/03/1987 | US4641307 Data packet transmission using shared channel |
| 02/03/1987 | US4641304 Announced retransmission random access system |
| 02/03/1987 | US4641302 High speed packet switching arrangement |
| 02/03/1987 | US4641276 Serial-parallel data transfer system for VLSI data paths |
| 01/29/1987 | WO1987000712A1 Transmission system |
| 01/28/1987 | EP0210123A1 Circuit arrangement for a mains-independent power supply of a data distributor connected to a bus network |
| 01/28/1987 | EP0209527A1 Method of communications between register-modelled radio devices. |
| 01/27/1987 | US4639937 HF avalanche relay communication technique |
| 01/27/1987 | US4639921 Method and an apparatus for early bit collision detection |
| 01/27/1987 | US4639910 Apparatus for establishing communication paths |
| 01/27/1987 | CA1217262A1 Data conference arrangement |
| 01/24/1987 | CN85101201A Extended equipment for communication system |
| 01/21/1987 | EP0209383A2 Communications method |
| 01/21/1987 | EP0208705A1 Communication system and method |
| 01/20/1987 | US4638477 Packet exchange data transmission system |
| 01/20/1987 | US4638475 Router unit and routing network for determining an output port by detecting a part of an input packet |
| 01/20/1987 | US4638474 Communication system |
| 01/20/1987 | US4638356 Apparatus and method for restricting access to a communication network |
| 01/20/1987 | US4638311 Apparatus for providing masterless collision detection |
| 01/20/1987 | US4638298 Communication system having message repeating terminals |
| 01/15/1987 | WO1987000374A1 Reliable synchronous inter-node communication in a self-routing network |
| 01/15/1987 | WO1987000373A1 A self-routing multipath packet switching network with sequential delivery of packets |
| 01/15/1987 | WO1987000372A1 A packet switching network with multiple packet destinations |
| 01/15/1987 | WO1987000371A1 Circuit employing intercoupled state machines for transmitting and receiving multiformatted sequences of voice and data characters |
| 01/14/1987 | EP0208594A1 Interconnection system for terminals with a memory |
| 01/14/1987 | EP0208475A2 Network |
| 01/14/1987 | EP0208021A2 TDMA point-to-multipoint communication system |
| 01/13/1987 | US4637064 Local area network equalization system and method |
| 01/13/1987 | US4637014 Method of inserting and removing isochronous data into a sequence of nonisochronous data characters without slot allocation on a computer network |
| 01/13/1987 | US4637013 Token exchange data transmission system having system configuration discrimination |
| 01/13/1987 | US4636791 Data signalling system |
| 01/13/1987 | CA1216651A1 System for linking channel group in digital communication network |
| 01/07/1987 | EP0207793A2 CRT control system |
| 01/07/1987 | EP0207214A2 Method of and apparatus for controlling data flow through a subsystem of a data communication network |
| 01/06/1987 | USRE32327 Multiple channel data communication system |
| 01/06/1987 | US4635237 Data transmission system for seismic streamers |
| 12/30/1986 | US4633468 Detecting and recovering from fault condition in a serial loop data transmission system |
| 12/30/1986 | US4633462 Multiple access communication on a CATV reverse channel |
| 12/30/1986 | US4633246 Time divison multiplex ring |
| 12/30/1986 | US4633245 Local area network interconnect switching system |
| 12/30/1986 | US4633202 Local area network system with constant tap level |
| 12/30/1986 | EP0206641A2 Telecommunications exchanges |
| 12/30/1986 | EP0206512A2 Method and apparatus for routing packets in a multinode computer interconnect network |
| 12/30/1986 | EP0206403A2 High speed packet switching arrangement |
| 12/30/1986 | EP0205968A2 Local area network station connector |
| 12/30/1986 | EP0205563A1 System for selectively coupling a plurality of data stations into a single communications path. |
| 12/30/1986 | EP0205467A1 Serial link communications protocol |
| 12/30/1986 | EP0124594B1 Method and apparatus for transmitting and receiving data messages |
| 12/30/1986 | CA1216051A1 Digital switching system |
| 12/30/1986 | CA1216040A1 Reconfigurable collision avoiding system, station and protocol for a two path multiple access digital communications system |
| 12/23/1986 | US4631721 Bidirectional communication system of a two-wire bus comprising an active terminator |
| 12/23/1986 | US4631718 Method and device for synchronization of system timing |
| 12/23/1986 | US4631695 Detector of predetermined patterns of encoded data signals |
| 12/23/1986 | US4631534 Distributed packet switching system |
| 12/17/1986 | EP0204959A1 Automatic update of topology in a hybrid network |
| 12/17/1986 | EP0204770A1 Data transmission system including adaptive hybrid control. |
| 12/17/1986 | CN86103924A Improvements in or relating to telecommunications exchanges |
| 12/16/1986 | US4630265 Method and apparatus for selecting for use between data buses in a redundant bus communication system |