Patents for H04L 12 - Data switching networks (448,999)
03/1992
03/01/1992CA2050436A1 Method of controlling date transmission in atm network with cell loss priority level
02/1992
02/26/1992EP0472408A2 ATM communication system
02/26/1992EP0472380A1 ATM broadband switching networks having access nodes connected by a ring
02/26/1992EP0472318A2 Led pulse shaping circuit
02/26/1992EP0472296A1 High-performance packet-switched wdm ring networks with tunable lasers
02/26/1992EP0472154A2 Traffic control method and traffic control system
02/26/1992EP0472149A1 ATM switch using cell division
02/25/1992US5091940 Data router with burst shuffling and deshuffling output buffers
02/25/1992US5091905 High-speed packet switching using a space division optical switch
02/25/1992US5091903 Switching network and switching-network module for an atm system
02/25/1992US5091870 Apparatus for measuring the speed of transmission of digital characters
02/21/1992CA2049487A1 Traffic control method and traffic control system
02/20/1992WO1992003004A1 Modem-controlled ac power controller
02/20/1992WO1992003001A1 Access controller for local area network
02/20/1992WO1992002998A1 Dynamic encoding rate control minimizes traffic congestion in a packet network
02/20/1992DE4041235C1 Double ring bus system - has two buses which normally operate in parallel or are cross-coupled for testing to identify failure
02/19/1992EP0471639A2 Method for document distribution by reference in a data processing system
02/19/1992EP0471633A1 Communication network with write and read rings and method of reconfiguring and accessing such network
02/19/1992EP0471380A1 ATM switch
02/19/1992EP0471379A2 Packet switching method and system with self-routing switch
02/19/1992EP0471378A2 Apparatus for encoding and decoding with own clock circuit
02/19/1992EP0471344A1 Traffic shaping method and circuit
02/19/1992EP0471256A2 ATM switch and ATM multiplexer
02/19/1992EP0471051A1 Control unit for the central store of an atm node.
02/19/1992CA2049405A1 Broadband switching networks
02/18/1992US5090029 Data communication method and apparatus
02/18/1992US5090025 Token ring synchronization
02/18/1992US5090013 Time slot protocol in the transmission of data in a data processing network
02/18/1992US5090012 Multiplex transmission system for use in a vehicle
02/18/1992US5090011 Packet congestion control method and packet switching equipment
02/18/1992CA2048717A1 Growable interconnect fabric cell switch module
02/12/1992EP0470876A1 Method and apparatus for bridging between local area networks
02/12/1992EP0470341A1 Method and switching device for receiving and transmitting information cells transmitted according to the asynchronous transfer mode through an ATM switching device
02/12/1992EP0470283A1 Method and circuit arrangement for determining the quality of virtual circuits going through an ATM switching arrangement
02/12/1992EP0470072A1 Distributed intelligence network using time and frequency multiplexing
02/12/1992CN1058682A Modular system for far-end "autonomic" exchange
02/11/1992US5088111 Modulation and demodulation system employing AM-PSK and FSK for communication system using digital signals
02/11/1992US5088091 High-speed mesh connected local area network
02/11/1992US5088090 Routing system to interconnect local area networks
02/11/1992US5087911 Data communication network
02/11/1992CA2048708A1 Method and circuit arrangement for the acceptance and forwarding of message cells transmitted according to an assynchronous transfer mode by an asynchronous transfer mode switching equipment
02/06/1992WO1992002091A1 Token ring synchronization
02/06/1992WO1992002090A1 Method of controlling a digital coupling-field store
02/06/1992WO1992002084A1 Multi-level radio-frequency communication system
02/05/1992EP0470056A2 A system for transmitting signals, particularly in motor vehicles, and a method for its operation
02/05/1992EP0469812A1 Detection of duplicate alias addresses
02/05/1992EP0469197A1 Bus architecture for digital communications
02/04/1992US5086506 Radio trunking fault detection system with power output monitoring and on-air monitoring
02/04/1992US5086470 Scrambling in digital communications network using a scrambled synchronization signal
02/04/1992US5086428 Reliable broadcast of information in a wide area network
02/04/1992US5086427 Clocked logic circuitry preventing double driving on shared data bus
02/04/1992US5086426 Communication network system having a plurality of different protocal LAN's
02/04/1992US5086425 Arrangement for transforming data packets into a regular multiplex for a transmission system utilizing the tdma principle
02/04/1992US5086385 Expandable home automation system
02/04/1992CA1295412C Bootstrap channel security arrangement for communication network
02/04/1992CA1295393C2 Spread spectrum power line communications
02/04/1992CA1295391C Metropolitan area network arrangement for serving virtual data networks
01/1992
01/31/1992WO1992002887A1 Control apparatus for use in a dwelling
01/31/1992CA2088506A1 Control apparatus for use in a dwelling
01/31/1992CA2048012A1 Detection of duplicate alias addresses
01/30/1992DE4023937A1 Reception and conducting signal cell contents - transmits cell control and information signal bits and cell intervals in combination in coded bit groups
01/29/1992EP0468818A2 ATM cell format conversion system
01/29/1992EP0468813A1 Dual-ring ATM communications system
01/29/1992EP0468802A2 Broadband switching networks
01/29/1992EP0468542A2 Multiprocessor digital data processing system
01/29/1992EP0468498A2 Routing system capable of effectively processing routing information
01/29/1992EP0468194A2 Method and system for daisy chained communication
01/29/1992EP0468053A1 Communication system between lans having different kinds of equipment
01/29/1992EP0202299B1 Multiphase packet switching system
01/28/1992US5084903 Modulation and demodulation system employing AM-PSK and QPSK communication system using digital signals
01/28/1992US5084872 Interface for transmit and receive mode access to the synchronous transmission medium of a distributed switching network
01/28/1992US5084870 Network topology control method and apparatus
01/28/1992US5084867 Routing method and routing system for switching system having a plurality of paths
01/28/1992US5084863 System for interchanging messages in real time between stations interconnected by a loop link, in particular between stations in a telecommunications exchange
01/28/1992CA2356441A1 Broadband switching networks
01/28/1992CA1295040C Optical switching system
01/26/1992CA2066587A1 Multi-level radio-frequency communication system
01/25/1992CA2047659A1 Method for determining the flow rate of virtual circuits going through an asynchronous time division multiplex transmission channel
01/23/1992DE4023032A1 Controlling digital memory of multiple switching bay - using TDM procedure to establish connections including conference set=up via telephone exchange
01/22/1992EP0467744A1 Procedure and apparatus for transmission by bus
01/22/1992EP0467696A1 Testing a communications network for duplicate station addresses
01/22/1992EP0467592A1 Initialization of data stations on a dual bus data subnetwork
01/22/1992EP0467583A1 Repeater
01/22/1992EP0467569A1 Message network monitoring
01/22/1992EP0467330A2 Signalling data receiving and processing unit provided in a broadband integrated services digital network
01/22/1992EP0467299A2 Method and arrangement of changing destination of protocol data unit in connectionless network systems
01/22/1992EP0466696A1 A technique for dynamically changing an isdn connection during a host session
01/21/1992US5083269 Buffer device suitable for asynchronous transfer mode communication
01/21/1992CA1294710C2 Method for requesting service by a device which generates a service request signal successively until it is serviced
01/21/1992CA1294709C Controller for controlling multiple lan types
01/21/1992CA1294683C Process and a system for technically secure transmission of serial data between secure computers, preferably working in two channel mode by the use of a double-ring bus system
01/21/1992CA1294674C Communication system having a packet structure field
01/19/1992CA2047262A1 Message network monitoring
01/18/1992CA2047120A1 Signaling data receiving and processing unit provided in a broadband integrated services digital network
01/16/1992DE4119584A1 Modular electronic control system - has bus system connecting plug-in modules in series circuit
01/16/1992DE4022027A1 Optisches datennetz hoher betriebssicherheit Optical data network high operational safety
01/15/1992EP0466590A1 Digital communication system for an integrated services telephone installation
01/15/1992EP0466555A1 Local network for intercommunication between data processing modules
01/15/1992EP0466152A1 Multi-power transceiver apparatus mounted in a power distribution network
01/15/1992EP0466078A2 Subscriber connection unit with self routing for a telecommunication network having an intelligent network structure