H04L 12 - Data switching networks

Patents for H04L 12 - Data switching networks (448,999)
11/1992
11/10/1992	US5163047 Time division multiplex system and method having a time slot reuse capability
11/10/1992	US5163046 Dynamic window sizing in a data network
11/10/1992	US5162791 Collision detection using code rule violations of the manchester code
11/10/1992	CA1310134C Interprocessor switching network
11/08/1992	CA2067890A1 Method and device for selecting informations used by a local unit connected to a digital communications system
11/05/1992	DE4212102A1 Computergestuetztes fernsprechanwendungssystem Computergestuetztes automatic telephone application system
11/04/1992	EP0511927A2 Loop detection and dissolution in a focal point network
11/04/1992	EP0511926A1 System for selectively intercepting and rerouting data network traffic
11/04/1992	EP0511925A2 Dynamic backup and recovery of focal points in a computer network
11/04/1992	EP0511851A2 Determining physical topology across repeaters and bridges in a computer network
11/04/1992	EP0511786A2 Apparatus and method for timing distribution over an asynchronous ring
11/04/1992	EP0511744A2 Multiplex transmission between nodes with acquisition signals and CRC calculation
11/04/1992	EP0511671A2 System for monitoring ATM cross-connecting apparatus by inside-apparatus monitoring cell
11/04/1992	EP0511295A1 Method of and apparatus for controlling modulation of digital signals in frequency-modulated transmissions
11/04/1992	EP0427760A4 Method and apparatus for accessing a facsimile store and forward network
11/04/1992	EP0203165B1 Queueing protocol
11/04/1992	CN1065962A Frame removal mechanism for token ring networks
11/03/1992	US5161192 Repeaters for secure local area networks
11/03/1992	US5161152 High-speed synchronous transmission line access terminal
10/1992
10/29/1992	WO1992019060A1 Low delay or low loss cell switch for atm
10/29/1992	WO1992019059A1 Wireless coupling of devices to wired network
10/29/1992	WO1992019058A1 Address caching network interface circuit for transparent bridge
10/29/1992	WO1992019054A1 Network monitoring
10/29/1992	DE4213458A1 Telekommunikationsvermittlung Telecommunication switching
10/28/1992	EP0511144A1 Method and apparatus for interconnection of local area networks with wide area networks
10/28/1992	EP0511142A1 Method and apparatus for data processing network interconnection
10/28/1992	EP0510822A2 Distributed network monitoring system for monitoring node and link status
10/28/1992	EP0510290A1 Collision-free insertion and removal of circuit-switched channels in a packet-switched transmission structure
10/28/1992	EP0510156A1 Radio data communication system
10/28/1992	CN1018883B Method and apparatus for serial date flow control
10/27/1992	US5159713 Watch pager and wrist antenna
10/27/1992	US5159685 Expert system for communications network
10/27/1992	US5159673 Apparatus for networking programmable logic controllers to host computers
10/27/1992	US5159595 Ring transmission system
10/27/1992	US5159592 Network address management for a wired network supporting wireless communication to a plurality of mobile users
10/27/1992	US5159591 Packet communication method, packet communication device and packet switcher
10/27/1992	US5159447 Buffer control for variable bit-rate channel
10/27/1992	US5159212 Protection device for a digital signal transmission system
10/27/1992	CA1309519C Transfer of messages in a multiplexed system
10/27/1992	CA1309505C Electronic mail circulation device
10/27/1992	CA1309480C Packet-switched cellular telephone system
10/22/1992	DE4212260A1 Verfahren zum feststellen von uebertragungsfehlern bei einem katastrophenverhuetungsueberwachungssystem A method for detecting transmission errors at a katastrophenverhuetungsueberwachungssystem
10/22/1992	DE4112514A1 Async. TDM transmission system with two switch matrices - distributes cells of information in output matrix to reduce load on coupling blocks of main matrix
10/22/1992	DE4112513A1 Asynchronous TDM transmission system with input translation circuit - uses single-bit characteristics associated with matrix output lines in elaboration of information for routing purposes
10/21/1992	EP0509648A1 Multicast server apparatus
10/21/1992	EP0509126A1 Message routing method towards target addresses in a multi-stage network through routing elements
10/21/1992	EP0509114A1 Procedure for the transmission of data to a plurality of stations
10/21/1992	EP0509068A1 Dynamic association of rf radio data communication system in a pre-existing computer controlled network
10/21/1992	EP0398987A4 Mmunications network state and topology monitor
10/21/1992	EP0365526B1 Asynchronous time division communication system
10/21/1992	CN1018789B Communication system having packet structure field
10/20/1992	US5157687 Hand-held bar code reader
10/20/1992	US5157662 Data communication apparatus having communication-mode changeover function and method of data communication between data communication stations having the same
10/20/1992	US5157659 Packet communication system and method of clearing communication bus
10/20/1992	US5157657 Communications method for a shared-medium communications method
10/20/1992	US5157654 Technique for resolving output port contention in a high speed packet switch
10/20/1992	CA1309196C Vehicle multiplex system
10/20/1992	CA1309186C Input/output section for an intelligent cell which provides sensing, bidirectional communications and control
10/18/1992	CA2066146A1 Method for transmitting data to a plurality of data stations
10/16/1992	CA2066006A1 Address caching network interface circuit for transparent bridge
10/15/1992	WO1992017990A1 Non-blocking multi-cast switching system
10/15/1992	WO1992017968A1 Data communication network providing power and message information
10/15/1992	WO1992017964A1 A method of controlling the operation of a packet switched cdma telecommunication network
10/15/1992	WO1992017962A1 Method of composing messages for data-exchange purposes and/or for the synchronization of processes in data-exchange systems
10/15/1992	WO1992017961A1 An adaptive distributed system and method for fault tolerance
10/15/1992	WO1992017957A1 Method for multi-purpose utilization of resources in a communication system
10/15/1992	WO1992017956A1 Method for providing reserved communication access using multiple random access resources
10/15/1992	WO1992017955A1 Method for controlling the scheduling of multiple access to communication resources
10/15/1992	WO1992017952A1 Transceiver interface
10/15/1992	DE4212394A1 Asynchronous transfer mode cell delay circuit for ISDN - multiplexes input signal cells with generated dummy cells to allow for propagation time through shift register
10/14/1992	EP0508886A1 Filtering and disposition of messages in a bridge using a single address and protocol table
10/14/1992	EP0508571A2 Expert system to diagnose data communication networks
10/14/1992	EP0508378A2 Method and system for monitoring packet rate in packet network
10/14/1992	EP0508138A2 Electronic mailing method and system
10/14/1992	EP0507947A1 Serial controller
10/13/1992	US5155727 Method of coupling a data transmitter unit to a signal line and apparatus for performing the invention
10/13/1992	US5155726 Station-to-station full duplex communication in a token ring local area network
10/13/1992	US5155725 Adaptive token release mechanism for ring networks
10/13/1992	US5155487 Cell delineation method and cell delineation circuit
10/12/1992	WO1992019057A2 Method and apparatus for managing and facilitating communicationsin a distributed heterogeneous network
10/12/1992	CA2108126A1 Method and apparatus for managing and facilitating communications in a distributed heterogeneous network
10/11/1992	CA2065470A1 Method of and system for monitoring packet rate in packet network
10/10/1992	CA2065529A1 Method of checking the admissibility of setting up virtual connections
10/07/1992	EP0507626A2 A terminal for a communications network
10/07/1992	EP0507581A1 Multiplex transmission system
10/07/1992	EP0507571A2 Receiving buffer control system
10/07/1992	EP0507428A2 Multipath transmission system
10/07/1992	EP0507110A2 Network management system and relational database therefore
10/07/1992	EP0507044A2 Interprocessor switching network
10/07/1992	EP0507022A1 Method and apparatus for identifying valid cells in a redundant path combining unit of an asynchronous transfer mode switch
10/07/1992	EP0506688A1 Packet handling method
10/07/1992	EP0357618B1 Switching system
10/06/1992	US5153920 Method and circuit arrangement for the acceptance and forwarding of message cells transmitted according to an asynchronous transfer mode by an asynchronous transfer mode switching equipment
10/06/1992	US5153877 Packet network with communication resource allocation and call set up control of higher quality of service
10/06/1992	US5153876 Communication protocol for statistical data multiplexers arranged in a wide area network
10/06/1992	US5153578 Apparatus and method for establishing identical data in dual atm switches
10/06/1992	US5153466 All monolithic transceiver operative from a low voltage vcc dc supply
10/06/1992	CA2106570A1 Method of controlling the operation of a packet switched cdma telecommunication network
10/06/1992	CA1308470C Switching network
10/06/1992	CA1308442C Hf data communications system with network management

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