H04L 12 - Data switching networks

Patents for H04L 12 - Data switching networks (448,999)
01/1989
01/03/1989	US4796023 Stabilized binary tree protocol
01/03/1989	CA1248209A1 Reliable synchronous inter-node communication in a self-routing network
01/03/1989	CA1248194A1 Driver isolation circuit for common bus-type transmission of local area network
01/03/1989	CA1248193A1 Bypass control for stations in a communication system
12/1988
12/29/1988	WO1988010538A1 A star configured local area network having priority allocation
12/29/1988	WO1988010528A1 Shorted-coaxial-cable detector for local-area networks
12/29/1988	WO1988005982A3 Self-routing switching system
12/28/1988	EP0296928A1 Equipment for restoration and multiplexing of networks from different sources made up from a variable number of fixed lenght packets
12/28/1988	EP0296832A2 A call monitor arrangement
12/28/1988	CA1247703A Wavelength multiplexed optical communications system and method
12/27/1988	US4794644 Method of secured communications in a telecommunications system
12/27/1988	US4794594 Method and system of routing data blocks in data communication networks
12/27/1988	US4794593 Time-division multiplexed communication apparatus
12/27/1988	US4794592 Serial network architecture for user oriented devices
12/27/1988	US4794590 Communication network control system
12/21/1988	EP0295927A1 Data communication network
12/21/1988	EP0295426A2 Method and apparatus for generating alert messages in a communication network
12/20/1988	US4792980 Image transmission system
12/20/1988	US4792948 For a communication network
12/20/1988	US4792947 Method of multi-address communication
12/20/1988	US4792946 Wireless local area network for use in neighborhoods
12/20/1988	US4792945 Local area network system
12/20/1988	US4792944 Time-division multiplexing communication system for performing a plurality of communications having different data speeds
12/20/1988	US4792942 Method and apparatus for multi-destination communication processing in packet storage/exchange node
12/20/1988	US4792941 Data subsystem traffic control apparatus and method
12/20/1988	US4792940 Automatic retrain method for a full duplex modem having an echo canceller and an equalizer
12/20/1988	US4792753 Local area network protocol analyzer
12/15/1988	WO1988010038A1 Process for tracing defective stations in local networks and corresponding interface controller
12/14/1988	EP0294890A2 Data processing system
12/13/1988	US4791660 Variable data compression announcement circuit
12/13/1988	US4791639 Communications switching system
12/13/1988	CA1246681A1 Terminal address assignment in a broadcast transmission system
12/13/1988	CA1246679A1 Optical composite transceiver
12/13/1988	CA1246677A1 Optical communication system
12/07/1988	EP0294133A2 Protocols for very high-speed optical LANs
12/06/1988	US4789983 Wireless network for wideband indoor communications
12/06/1988	US4789982 Method for implementing a token passing ring network on a bus network
12/06/1988	US4789980 Switching techniques for FDM communication systems
12/06/1988	CA1246177A1 Method of simultaneously transmitting isochronous and nonisochronous data on a local area network
12/06/1988	CA1246176A1 Method for initializing a token-passing local-area network
12/06/1988	CA1246175A1 Method for passing a token in a local-area network
12/06/1988	CA1246173A1 Method of operating a two-wire local area network such that marginal components in the secondary loop are located
12/01/1988	DE3716164A1 Device for minimising reflection interference on bus lines
11/1988
11/30/1988	EP0293315A1 Method and system for controlling the flow of data packets
11/30/1988	EP0293314A1 Method and system for controlling the flow of data packets
11/30/1988	EP0293197A2 A multi-drop type bus line system
11/30/1988	EP0292962A2 Header driven type packet switching system
11/30/1988	EP0292539A1 Data communications network
11/30/1988	EP0292504A1 Communication system having a control channel and an image channel
11/29/1988	US4788679 Packet switch with variable data transfer rate links
11/29/1988	CA1245737A1 Loop transmission system having automatic loop configuration control means
11/24/1988	DE3715733A1 Method and arrangement for data transmission between subscriber stations which are connected to a common bus system
11/24/1988	DE3715587A1 Data transmission system for electrohydraulic mine supports - has control units with barriers for selective blocking unit transmit operation
11/23/1988	EP0292072A1 Communication device and star circuit for use in such a communication device, and device comprising such a circuit
11/23/1988	CN88101150A Wireless network for wideband indoor communications
11/22/1988	US4787083 Bus-method communication network system capable of seizing transmission right by using timer means at each station
11/22/1988	US4787082 Data flow control arrangement for local area network
11/22/1988	US4786899 Circuit arrangement for PCM telecommunication facilities
11/22/1988	US4786763 Circuit arrangement for the transmission of data signals between subscriber terminals operating with different data transmission procedures
11/22/1988	CA1245356A1 Data network interface module
11/22/1988	CA1245327A1 Path oriented routing system and method for packet switching networks
11/22/1988	CA1245293A1 Transceiver for multi-drop local area networks
11/22/1988	CA1245292A1 Spread spectrum code-division-multiple-access (ss- cdma) lightwave communication system
11/17/1988	WO1988009094A1 Time multiplex system for transmitting information between vehicle components
11/17/1988	WO1988009015A1 Packet switching
11/17/1988	EP0291079A2 Apparatus for controlling packet switched networks
11/17/1988	EP0290934A2 Method of setting up an address table in a ring communication network
11/17/1988	EP0290933A1 Method for initiating the configuration after the interruption of at least two parallel ring networks
11/17/1988	EP0290894A2 Method for distributing the actual address tables in "n" ring networks
11/17/1988	EP0290769A2 Digital time division multiplex system
11/17/1988	EP0290526A1 Hf data communications system with network management.
11/17/1988	EP0290459A1 Switching system
11/15/1988	US4785465 Circuit arrangement for serial data transmission between a plurality of subscriber stations
11/15/1988	US4785450 Apparatus and method for obtaining frequency agility in digital communication systems
11/15/1988	US4785449 Network system for data transmission among plural communications stations connected to a communication medium
11/15/1988	US4785448 System for communicating digital data on a standard office telephone system
11/15/1988	US4785446 Distributed bit switching of a multistage interconnection network
11/15/1988	US4785396 Push-pull serial bus coupled to a plurality of devices each having collision detection circuit and arbitration circuit
11/15/1988	CA1244959A1 Local area network with self assigned address method
11/15/1988	CA1244922A1 Automatic update of topology in a hybrid network
11/09/1988	EP0290189A2 Method and apparatus for interfacing to a local area network
11/09/1988	EP0290129A2 Data link controller
11/09/1988	EP0290090A2 Switching network
11/09/1988	EP0290023A1 Supervisory system for a local area bus network with a star structure
11/09/1988	EP0289733A2 Switching method for integrated voice/data communications
11/09/1988	EP0289557A1 Data switching arrangement
11/09/1988	EP0289525A1 Local area network interconnecting computer products via long telephone lines
11/08/1988	CA1244537A1 Switching system and method for network having a plurality of terminal control equipment units
11/03/1988	WO1988008653A1 Data communication network
11/03/1988	DE3810576A1 Eingebettetes pruefsystem fuer das pruefen der uebereinstimmung von kommunikationssystemen Embedded testing system for checking the conformity of communication systems by
11/02/1988	EP0289253A2 System and method for controlling terminal equipment
11/02/1988	EP0289189A2 A token ring expander and/or hub
11/02/1988	EP0289087A2 Packet switching system
11/02/1988	CN88101276A Digital telephone switching system having message switch with address translation
11/01/1988	US4782485 Multiplexed digital packet telephone system
11/01/1988	US4782483 Data transmission system and method of passing role of primary station
11/01/1988	US4782439 Direct memory access system for microcontroller
11/01/1988	CA1244155A1 Distributed bus control communication protocol
11/01/1988	CA1244110A1 Transmitting data processing system
10/1988
10/26/1988	EP0287992A2 Readily available serial bus system

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