Patents for H04L 12 - Data switching networks (448,999)
04/1993
04/21/1993EP0537821A2 Management system for hierarchical network
04/21/1993EP0537814A1 Multi-station bus system having means for polling and updating of globally relevant information, in particular a station address, and station for use in such system
04/21/1993EP0537743A1 Switching method for a common memory based switching field and the switching field
04/21/1993EP0537704A2 Multiplex transmission system
04/21/1993EP0537689A2 Data communication method for motorcar
04/21/1993EP0537444A1 Apparatus for connecting a transmission network to a plurality of terminals
04/21/1993EP0537408A1 Routing in a network of bridge-connected LAN Segments
04/21/1993EP0537382A1 Packet transfer control arrangement and related method
04/21/1993EP0537297A1 A method and a device for destination and source addressing in a packet network.
04/21/1993EP0334954B1 Layered network
04/20/1993US5204955 Network management method and system
04/20/1993US5204882 Method of operating a communications system
04/20/1993US5204865 Data extracting circuit for serial control apparatus
04/20/1993US5204857 ATM exchange system
04/20/1993CA2005508C Multiplexed synchronous/asynchronous data bus
04/18/1993CA2079502A1 Spectrally efficient broadband transmission system
04/17/1993WO1993008658A1 Packet switch
04/16/1993CA2080568A1 Multiplex transmission method and a synchronizing method in multiplex transmission
04/15/1993WO1993007700A1 Data flow control
04/15/1993WO1993007699A2 Broadband input buffered atm switch
04/15/1993WO1993007694A1 Method for integrated services satellite network resource allocation by advance reservation
04/15/1993WO1993007692A1 Packet processing method and apparatus
04/15/1993WO1993007691A1 A radio frequency local area network
04/15/1993WO1993007684A1 Cordless local area network (radio lan) with central unit
04/15/1993WO1993007569A1 Method and apparatus for concurrent packet bus
04/15/1993WO1993007566A1 Temporary message routing and destination selection
04/15/1993WO1993003564A3 Method and unit for the control of the cell flow in a telecommunication system according to the atm technique
04/15/1993CA2120520A1 A radio frequency local area network
04/15/1993CA2096752A1 Data flow control
04/14/1993EP0537040A1 Apparatus and method to test ring-shaped, high-throughput network
04/14/1993EP0537036A1 Method for data packet routing in a digital transmission network
04/14/1993EP0536348A1 Security device for ring network.
04/13/1993US5202989 Control method and apparatus for computer network system
04/13/1993US5202985 Apparatus and method for displaying data communication network configuration after searching the network
04/13/1993US5202963 In a data processing system
04/13/1993US5202885 Atm exchange with copying capability
04/13/1993US5202817 Hand-held data capture system with interchangeable modules
04/13/1993CA1316276C Multiplex transmission system
04/13/1993CA1316243C Packet data switch for transferring data packets from one or a plurality of incoming data links to one or a plurality of outgoing data links
04/13/1993CA1316242C Control system for communication between units
04/13/1993CA1316218C Mobile radio data communication system and method
04/13/1993CA1316216C Method for inserting an asynchronous 139,264 kbit/s signal into a 155,520 kbit/s signal
04/07/1993EP0536069A1 Synchronisation method for terminals connected to a digital telecommunication network with an asynchronous transmission mode (ATM)
04/07/1993EP0535982A2 Transmission circuit for transmitting fixed-length data
04/07/1993EP0535860A2 Congestion control for high speed packet networks
04/07/1993EP0535762A1 Method for resource allocation by anticipated reservation in a satellite network with service integration
04/07/1993EP0535749A2 Local communication bus system and apparatuses for use in such a system
04/07/1993EP0535428A1 Integration of synchronous and asynchronous traffic on rings
04/07/1993EP0535396A1 Method for the reduction of bit errors in a digital communication system
04/07/1993EP0535186A1 Repeaters for digital data networks.
04/07/1993EP0535050A1 Switching element and method for controlling the same.
04/06/1993US5200952 Adaptive VCP control in integrated services networks
04/06/1993US5200950 Method and circuit arrangement for reducing the loss of message packets that are transmitted via a packet switching equipment
04/06/1993US5200949 Link changeover control system for local area network of broadcasting arrangement
04/06/1993US5200742 Electronic device with exclusive control type communication function and its communication system
04/06/1993CA1315891C2 Multitask subscription data retrieval system
04/05/1993WO1993007695A1 Synchronizing device for terminal equipment in an asynchronous transfer mode digital telecommunications network
04/01/1993WO1993006676A1 Nonblocking point-to-point fast packet/circuit switching networks
04/01/1993WO1993006675A1 Nonblocking multicast fast packet/circuit switching networks
04/01/1993WO1993006674A1 Local area network transmission emulator
04/01/1993WO1993006673A1 A system for the sending and receiving of information
04/01/1993WO1993006670A1 Methods and apparatus for preventing unnecessary retransmission of messages in a networked messaging system
04/01/1993WO1993006669A1 Digital telephone, cable tv system and local exchange bypass network
04/01/1993WO1993006546A1 Atms/pos based electronic mail system
04/01/1993DE4132524A1 Packet oriented transmission for digitally coded speech information - using counter to control read out of buffer memory for temporary storage of transmitted information packets.
04/01/1993DE4132518A1 Asynchronous transfer mode wideband communications system for digital signals - has counters associated with packeting-depacketing device and buffer memory for maintaining original time sequence.
04/01/1993DE4131133A1 Exchanging data in processing system, esp. for process control - transferring messages in communications with header fields contg. message identifiers.
04/01/1993CA2118911A1 Digital telephone, cable tv system and local exchange bypass network
03/1993
03/31/1993EP0534882A2 Multi-channel communications system
03/31/1993EP0534785A2 Broadcast system for distributed controlled switching network
03/31/1993EP0534232A1 An apparatus and method for connecting inter-SRM highways
03/31/1993EP0533900A1 Low delay or low loss cell switch for atm.
03/31/1993EP0387244B1 Arrangement for testing packet switching networks
03/31/1993EP0335877B1 Method for transmitting data in packet switching networks
03/31/1993CN1070525A Communication equipment control system and method
03/30/1993US5199072 Method and apparatus for restricting access within a wireless local area network
03/30/1993US5199049 Circuit and method of digital carrier detection for burst mode communication systems
03/30/1993US5199028 Asynchronous time division network
03/30/1993US5199027 Communication switching system
03/30/1993US5199026 Token ring wiring concentrator
03/30/1993US5199025 Loop back method for loop type lan transmission line
03/30/1993US5198806 Remote control and secure access for personal computers
03/30/1993US5198805 Method and apparatus for monitoring a network and locating a node using signal strength calculations
03/30/1993CA1315376C Arrangement for switching concentrated telecommunications packet traffic
03/30/1993CA1315375C Apparatus and network for transferring packets of electronic signals and associated method
03/30/1993CA1315374C Self-routing switch and its routing method
03/30/1993CA1315373C Distributed control rapid connection circuit switch
03/30/1993CA1315369C Terminal apparatus for resetting by remote control
03/25/1993DE4231163A1 Fehlertolerantes mehrstations-uebertragungssystem A fault-tolerant more stations-transmission system
03/24/1993WO1992012586A1 Loop wiring concentrator
03/24/1993EP0533391A2 Packet switching apparatus using pipeline controller
03/24/1993EP0533229A2 Method of identifying a signal path and signal processing apparatus
03/24/1993CA2091356A1 Loop wiring concentrator
03/23/1993US5197097 Cell signal processing circuit and optical switch apparatus using the same
03/23/1993US5197067 Packet communication system using a telephone switching network and a data flow control method
03/23/1993US5197066 Collision detection circuit for communications network
03/23/1993US5197064 Distributed modular packet switch employing recursive partitioning
03/23/1993US5197002 Billing system for a data packet transmission system
03/23/1993CA1315031C Method and apparatus for accessing a facsimile store and forward network
03/23/1993CA1314955C Identification and authentication of end user systems for packet communications network services