Patents for H04L 12 - Data switching networks (448,999)
07/1986
07/03/1986WO1986003926A1 Method of communications between register-modelled radio devices
07/03/1986WO1986003925A1 Serial link communications protocol
07/03/1986WO1986003914A1 Circuit switching devices
07/02/1986EP0186595A2 Routing technique
07/02/1986EP0186589A2 Routing element
07/02/1986EP0186420A2 Communication data systems
07/02/1986EP0186320A1 Local area communication network
07/02/1986EP0185936A2 Interface circuit arrangement for connecting data sources with data sinks, and switching systems with such an interface circuit arrangement
07/02/1986EP0185876A2 An fet switch for high frequency signals
07/02/1986EP0107696B1 Apparatus for connecting digital terminals to a digital exchange
07/02/1986CN85107302A Apparatus for establishing communication paths
07/01/1986US4598397 Microtelephone controller
07/01/1986US4598285 Scheme for reducing transmission delay following collision of transmissions in communication networks
06/1986
06/25/1986EP0185609A2 Coherent interface with wraparound receive and transmit memories
06/25/1986EP0185122A1 Three level distributed control for networking I/O devices
06/24/1986US4597082 Transceiver for multi-drop local area networks
06/24/1986US4597078 Bridge circuit for interconnecting networks
06/24/1986US4597077 Integrated voice/data/control switching system
06/24/1986US4597076 Data transmission system
06/24/1986US4596982 Reconfigurable ring communications network
06/19/1986WO1986003645A1 Watch pager system and communication protocol
06/19/1986WO1986003641A1 Data transmission system including adaptive hybrid control
06/19/1986WO1986003640A1 Communication system and method
06/19/1986WO1986003639A1 Queueing protocol
06/18/1986EP0184816A2 Data transmission system
06/18/1986EP0184644A2 Transformer coupled, solid state communication line switch
06/17/1986US4596048 Communication system
06/17/1986US4596025 Timing synchronization circuit
06/17/1986US4596013 Data transmission network
06/17/1986US4596012 Master controller succession system for bus control access for data-communications local area networks
06/17/1986US4596011 Data transmission system for a local network
06/17/1986US4596010 Distributed packet switching arrangement
06/17/1986US4595921 Method of polling to ascertain service needs
06/17/1986CA1206239A1 High bit-rate coupler between a pcm channel multiplex and a packet switching unit
06/17/1986CA1206224A1 Data transfer control system and method for a plurality of linked stations
06/17/1986CA1206204A1 Optical receiver having collision detection function
06/11/1986EP0184210A1 Data transmission arrangement
06/11/1986EP0183998A2 Communication collision detection
06/10/1986US4594724 Bypass method and apparatus for debouncing a mechanical switching element in a data communications network
06/10/1986US4594709 Data transmission device for loop transmission system
06/10/1986US4594706 Packet communication systems
06/10/1986US4594705 Bus-configured local area network with data exchange capability
06/10/1986US4594591 For data and voice communications
06/10/1986US4594590 Demand driven access mechanism
06/10/1986CN85108247A Members for joint
06/10/1986CA1205883A1 Digital communication system
06/05/1986WO1986003355A1 Self-routing packets with stage address identifying fields
06/05/1986WO1986003090A2 Multiphase packet switching system
06/04/1986EP0183592A1 Asynchronous packet switch
06/04/1986EP0183080A2 Loop transmission system with a variable station connection order
06/04/1986EP0182908A1 Fiber optic communication module
06/04/1986EP0182843A1 Data transmission method and apparatus
06/04/1986EP0182798A1 Digital timeslot and signaling bus in a digital pbx switch
06/04/1986EP0182780A1 Entrance telephone installation and method, for transmission of alarm signals.
06/03/1986US4593283 Data communication system with timed access to link
06/03/1986US4593282 Network protocol for integrating synchronous and asynchronous traffic on a common serial data bus
06/03/1986US4593281 In data communications network
06/03/1986US4593280 Write token regeneration in a timed token ring
06/03/1986US4593154 Loop-type data transmission/reception network
05/1986
05/28/1986EP0182417A2 Local area network
05/28/1986EP0182087A1 Circuit arrangement for collision detection
05/28/1986EP0181880A1 Apparatus for interfacing with x21 equipment.
05/27/1986US4592051 In a telecommunication system
05/27/1986US4592049 Method of and arrangement for controlling access to a time-division multiplex message transmission path
05/27/1986US4592048 Integrated packet switching and circuit switching system
05/27/1986CA1205163A1 Warship with standardised operating units
05/27/1986CA1205157A1 Transmission of status report of equipment in a digital transmission network
05/22/1986WO1986003085A1 Lockup detection and recovery in a packet switching network
05/22/1986WO1986003084A1 Distributed packet switching system
05/22/1986WO1986003083A1 Variable length packet switching system
05/22/1986WO1986003082A1 Communication system
05/21/1986EP0181349A1 Fault detection arrangement for a digital conferencing system
05/20/1986US4590468 Token access controller protocol and architecture
05/20/1986US4590467 Local area network interface controller
05/20/1986CA1204848A1 Duplicated network arrays and control facilities for packet switching
05/20/1986CA1204847A1 Device for transmitting coded messages between stations
05/20/1986CA1204844A1 Method and system for controlling the interconnecting of a plurality of local data networks
05/20/1986CA1204843A1 Packet error rate measurements by distributed controllers
05/20/1986CA1204834A1 Protocol for determining physical order of active stations on a token ring
05/14/1986EP0181118A2 Data transmission system
05/13/1986US4589106 Data line card printed board assembly
05/09/1986WO1986002797A1 Call responsive computer power switching device
05/09/1986WO1986002751A1 Arrangement for path selection in a communications network
05/09/1986WO1986002749A1 Arrangement for communication between equipment belonging to different network architectures
05/07/1986EP0180448A2 Method of simultaneously transmitting isochronous and nonisochronous data on a local area network
05/07/1986EP0180299A2 Error detection system for a data processing apparatus
05/07/1986EP0180066A2 Multidrop modem communication system
05/07/1986EP0179979A2 Synchronous packet voice/data communications system
05/06/1986US4587651 Distributed variable bandwidth switch for voice, data, and image communications
05/06/1986US4587650 Method of simultaneously transmitting isochronous and nonisochronous data on a local area network
05/06/1986CA1204231A1 Time slot arrangements for local area network systems
05/06/1986CA1204189A1 Control mechanism for a ring communication system
05/06/1986CA1204164A1 Data transmission system for a local network
04/1986
04/30/1986EP0179629A2 Packet switching system
04/30/1986EP0179550A2 Controlled star network
04/29/1986US4586176 Method for correction of trouble in digital signal transmission system
04/29/1986US4586175 Method for operating a packet bus for transmission of asynchronous and pseudo-synchronous signals
04/29/1986CA1203874A1 Time stamping for a packet switching system
04/24/1986WO1986002512A1 PACKET SWITCHED MULTIPORT MEMORY NxM SWITCH NODE AND PROCESSING METHOD
04/24/1986WO1986002511A1 Load balancing for packet switching nodes