H04L 12 - Data switching networks

Patents for H04L 12 - Data switching networks (448,999)
04/1988
04/07/1988	WO1988001410A3 Process and device for the transmission, in a reliable manner as regards signalling techniques, of serial data between reliable computers operating preferably on two channels by means of a twin-loop bus system
04/07/1988	DE3733116A1 Network system
04/06/1988	EP0262409A2 An optical bus type communication system
04/05/1988	US4736465 Communications network
04/05/1988	US4736394 Interface circuit for transmitting and receiving data
04/05/1988	US4736385 Transmitter and receiver circuit
04/05/1988	US4736371 Satellite communications system with random multiple access and time slot reservation
04/05/1988	US4736370 Transmitting data processing system
04/05/1988	US4736369 For controlling the exchange of messages in a computing network
04/05/1988	US4736368 Priority token protocol circuit for a token ring local area network adaptor
04/05/1988	US4736364 Switching system control arrangements
04/05/1988	US4736363 Path oriented routing system and method for packet switching networks
03/1988
03/31/1988	DE3633064A1 Circuit arrangement for input and output of data signals
03/30/1988	EP0261790A2 Integrated switching system and announcement circuit
03/30/1988	EP0261620A2 Circuit arrangement and bus circuit with a large bandwidth, and a component for a broadband switching network
03/30/1988	EP0261205A1 Bridging techniques for local area networks
03/30/1988	EP0167590B1 Communication system having reconfigurable data terminals
03/30/1988	EP0148178B1 Interface arrangements for communication networks
03/30/1988	EP0130206B1 Method and apparatus for bus contention resolution
03/30/1988	CN87104185A Method of and switch for switching information
03/29/1988	US4734908 High speed trunk interface with concurrent protocol handlers
03/29/1988	US4734907 Broadcast packet switching network
03/29/1988	US4734596 Detection of direct current in the presence of manchester-encoded signals
03/23/1988	EP0260676A2 Switching system
03/23/1988	EP0260364A2 Broadcast packet switching network
03/23/1988	CN87106153A System for providing telecommunication connections with computer
03/22/1988	US4733391 Communication networks
03/22/1988	US4733390 Data transmission system
03/22/1988	US4733389 Drop cable for a local area network
03/22/1988	CA1234435A1 Tdma point-to-multipoint communications system
03/17/1988	DE3729732A1 Data transmission method and device
03/16/1988	EP0260043A2 Virtual pbx call processing method
03/16/1988	CN87106178A Data communication method and apparatus
03/15/1988	US4731880 Communication network
03/15/1988	US4731878 Self-routing switch node combining electronic and photonic switching
03/15/1988	US4731785 Combined circuit switch and packet switching system
03/15/1988	US4731784 Communication system comprising overlayed multiple-access transmission networks
03/15/1988	CA1234208A1 Self routing packet switching network with intrastage packet communication
03/15/1988	CA1234207A1 Multiple paths in a self-routing packet and circuit switching network
03/15/1988	CA1234206A1 Alternate self-routing packet switching node having fault detection capabilities
03/09/1988	EP0259119A2 Control information communication arrangement for a distributed control switching system
03/09/1988	EP0259118A2 Packet switch
03/09/1988	EP0259117A2 Distributed packet switching system
03/09/1988	EP0259053A2 Variable data compression announcement circuit
03/09/1988	EP0258945A1 System for providing a telecommunication connection with a computer
03/09/1988	EP0258893A2 Start pattern detecting apparatus
03/09/1988	EP0258867A2 Multitask subscription data retrieval method
03/09/1988	EP0258604A2 A method of transmitting a token in a communication ring
03/09/1988	EP0258514A1 Optimized bandwidth allocation apparatus between circuit slots and packet bit stream in a communication network
03/08/1988	US4730311 Remote multiplexer for digital telephone system
03/08/1988	US4730309 Data transmission station
03/08/1988	US4730307 Method and apparatus for local area networks
03/08/1988	US4730305 Fast assignment technique for use in a switching arrangement
03/08/1988	US4730301 Wavelength multiplexed optical communications system and method
03/08/1988	US4730250 Local area network processing system
03/08/1988	CA1233899A1 Routing address bit selection in a packet switching network
03/08/1988	CA1233880A1 Method of communications between register-modelled radio devices
03/02/1988	EP0257947A2 Cordless accessed high-speed high-capacity local area networks
03/02/1988	EP0257901A2 Switching techniques for FDM communication systems
03/02/1988	EP0257816A2 An N-by-N "knockout" switch for a high-performance packet switching system with variable length packets
03/02/1988	EP0257314A2 Method to guarantee the operation of a programme-controlled switching exchange
03/02/1988	EP0257168A1 Pseudo synchronous transportation apparatus in a communication network
03/02/1988	EP0112337B1 Fast packet switching system
03/02/1988	CN87106123A Controller for controlling multiple lan types
03/01/1988	US4729124 Diagnostic system
02/1988
02/25/1988	WO1988001459A1 Local area network interconnecting computer products via long telephone lines
02/25/1988	WO1988001410A2 Process and device for the transmission, in a reliable manner as regards signalling techniques, of serial data between reliable computers operating preferably on two channels by means of a twin-loop bus system
02/25/1988	DE3628299A1 Verfahren und anordnung zum signaltechnisch sicheren uebertragen von seriellen daten zwischen vorzugsweise zweikanaligen sicheren rechnern unter verwendung eines doppelringbussystems Method and arrangement for fail-safe by wearing of serial data between preferably two-channel safe calculators using a general double ring bus system
02/24/1988	EP0256702A2 An N-by-N "knockout" switch for a high-performance packet switching system
02/24/1988	EP0256701A2 Crosspoint circuitry for data packet space division switches
02/24/1988	EP0256698A2 Bus structure having constant electrical characteristics
02/24/1988	EP0256681A1 Communication systems
02/24/1988	EP0256526A2 Packet-switched communications network for efficiently switching non-burst signals
02/24/1988	EP0256463A2 Improved token passing network
02/24/1988	CN87103996A Communication system having unified messaging
02/23/1988	US4727601 Loop-type optical dataway system
02/23/1988	US4727592 Optical communication system
02/23/1988	US4727539 Multi-element information transmission system
02/23/1988	US4727537 Flow control arrangement for the transmission of data packets to a communication network
02/23/1988	CA1233225A1 Trunk for packet switching
02/18/1988	EP0138952A4 A self-routing switching network.
02/16/1988	US4726034 Circuit arrangement for the transmission of binary signals
02/16/1988	US4726019 Digital encoder and decoder synchronization in the presence of late arriving packets
02/16/1988	US4726018 Method of providing priority access to a transmission communication ring
02/16/1988	US4726017 Multidrop data concentrator communication network
02/16/1988	US4725836 Series port connection of a plurality of terminals to a master processor
02/16/1988	US4725834 Reliable broadcast protocol for a token passing bus network
02/16/1988	CA1232968A1 Apparatus for interfacing with x21 equipment
02/11/1988	WO1988001121A1 Data processing network
02/10/1988	EP0255767A2 Selective broadcasting arrangement for local area networks
02/10/1988	EP0169208B1 Self-routing packet switching network
02/09/1988	CA1232665A1 Distributed packet switching arrangement
02/09/1988	CA1232660A1 Fault detection arrangement for a digital conferencing system
02/03/1988	EP0255442A2 Circuit device for implementing the access protocol for serial exchange of numerical informations among terminals interconnected by an optical fiber star network
02/03/1988	EP0255386A2 Robust rooted tree network
02/03/1988	EP0255385A2 Deterministic access protocol local area network
02/03/1988	EP0255096A2 A controller for controlling multiple LAN types
02/03/1988	EP0255090A2 LAN controller proprietary bus
02/03/1988	EP0255069A1 Circuit arrangement for serial data transmission
02/03/1988	EP0254952A2 Optical bus system with an optical data bus as well as a transmitting and a receiving part for such a system

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