H04L 12 - Data switching networks

Patents for H04L 12 - Data switching networks (448,999)
12/1986
12/16/1986	US4630264 Efficient contention-resolution protocol for local multiaccess networks
12/16/1986	US4630262 Method and system for transmitting digitized voice signals as packets of bits
12/16/1986	US4630260 Self-routing multipath packet switching network with sequential delivery of packets
12/16/1986	US4630259 Lockup detection and recovery in a packet switching network
12/16/1986	US4630258 Packet switched multiport memory NXM switch node and processing method
12/16/1986	US4630256 Bidirectional dual network
12/16/1986	US4630254 Controlled star network
12/16/1986	US4630233 I/O scanner for an industrial control
12/10/1986	EP0204325A2 Time division switching system having a priority selector responsive to proceed-to-send requests
12/10/1986	EP0116546B1 Apparatus and method for use in maintenance of telecommunications networks
12/09/1986	US4628504 Distributed bus control communication protocol
12/09/1986	US4628503 Method and device for performing a bus request and collective acknowledgement in a process bus system
12/09/1986	US4628311 In a communications system
12/09/1986	US4628308 Communication network having a master-slave type series architecture and providing master-to-slave and slave-to-master communication
12/09/1986	US4628307 FET switch for high frequency signals
12/09/1986	CA1215121A1 Optical star repeater
12/03/1986	EP0203614A2 Inter-network connection system
12/03/1986	EP0203424A2 Method and circuit arrangement for verifying the authorization to gain access to a signal-processing system
12/03/1986	EP0203165A1 Queueing protocol.
12/03/1986	EP0134217B1 Activation of a transmission link by code sending
12/03/1986	EP0131591B1 Activation in a digital subscriber connection
12/03/1986	CN86103604A Inter-network connection system
12/02/1986	US4627070 Asynchronous data bus system
12/02/1986	US4627055 Decentralized processing method and system
12/02/1986	US4627052 Interconnection of communications networks
12/02/1986	US4627051 Loop network system controlled by a simple clock station
12/02/1986	US4627050 Time division multiplexed computerized branch exchange
12/02/1986	US4627048 Routing address bit selection in a packet switching network
12/02/1986	US4627045 Alternating communication channel switchover system
12/02/1986	US4626623 Method and apparatus for telephone access security
12/02/1986	CA1214865A1 Catv communications system
11/1986
11/26/1986	EP0202648A2 Digital network system having arrangement for testing digital subscriber line
11/26/1986	EP0202602A2 Optical fiber data link system
11/26/1986	EP0202485A2 Method of determining optimal transmission channel in multistation communications system
11/26/1986	EP0202248A1 Communication system
11/25/1986	US4625306 Data signal switching systems
11/25/1986	US4625077 Telephone bridge method and apparatus
11/20/1986	WO1986006901A1 Operator communication arrangements for operator assistance systems
11/20/1986	WO1986006900A1 Agent communication arrangements for telecommunication systems
11/20/1986	WO1986006890A1 A control system
11/20/1986	EP0202205A1 Telecommunication system for alternatingly transmitting circuit-switched and packet-switched information
11/20/1986	EP0202191A2 Circuit arrangement for a communication system for conveying message information from small and broad band terminals in local ring networks
11/20/1986	EP0201561A1 Variable length packet switching system
11/20/1986	EP0201498A1 Digital data transmission method, network and module for implementing such method.
11/18/1986	US4623998 Communication network having gain adjustment function of a transmission amplifier of medium attachment unit
11/18/1986	US4623997 Coherent interface with wraparound receive and transmit memories
11/18/1986	US4623996 Packet switched multiple queue NXM switch node and processing method
11/18/1986	US4623886 Prioritized data packet communication
11/18/1986	US4623885 Method and arrangement for distribution of send permission to terminals in a telecommunication network
11/18/1986	US4623884 Transmission line control system with by-pass control
11/18/1986	US4623883 Automatic communications switch
11/18/1986	CA1214247A1 Local hybrid communication network in circuit and packet modes with a loop carrying a time multiplex
11/12/1986	EP0201308A2 Radio networks
11/12/1986	EP0201252A2 Packet switch trunk circuit queueing arrangement
11/12/1986	EP0200842A1 Modem controlling a modem network
11/12/1986	EP0200721A1 Arrangement for communication between equipment belonging to different network architectures.
11/12/1986	CN85103369A Baseband local area network using ordinary telephone wiring
11/11/1986	US4622664 Channel control system for loop type signal transmission channel
11/11/1986	US4622551 Half-duplex industrial communications system
11/11/1986	US4622550 Data communication system
11/05/1986	EP0200704A2 Bootstrap channel security arrangement for communication network
11/05/1986	CN85108983A Long-distance communication device circuitary structure, in particular telephone junction device, a type signal is pre-transmitted always in them, when informations are transmitted
11/04/1986	US4621362 Routing architecture for a multi-ring local area network
11/04/1986	US4621360 Control method of data transfer
11/04/1986	US4621359 Load balancing for packet switching nodes
11/04/1986	CA1213650A1 Emergency access method in centralized monitoring system
10/1986
10/29/1986	EP0198932A1 Extension arrangement and station connecting method for a ring communication system
10/28/1986	US4620187 Transformer coupled, solid state communications line switch
10/23/1986	WO1986006232A1 Redundant termination of a communication line
10/22/1986	EP0198079A1 Call responsive computer power switching device
10/22/1986	EP0197930A1 Arrangement for path selection in a communications network.
10/22/1986	CN86102843A System structure recognition method for a multiloop transmission system
10/22/1986	CN86102744A 传输控制系统 Transmission Control System
10/21/1986	CA1213084A1 Multiplex bus system
10/21/1986	CA1213015A1 Data transmission control apparatus in local network systems
10/21/1986	CA1213004A1 Speed independent arbiter switch employing m-out-of-n codes
10/15/1986	EP0197290A1 Circuit arrangement for telecommunication exchanges, especially telephone exchanges, in which a type information precedes the information to be transmitted
10/15/1986	EP0197103A1 Load balancing for packet switching nodes.
10/15/1986	CN86100949A Subscriber rf telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of rf channels
10/14/1986	US4617656 Information transmission system with modems coupled to a common communication medium
10/14/1986	US4617423 Data communication system
10/14/1986	CA1212741A1 Collision avoidance circuit for packet switched communication system
10/14/1986	CA1212740A1 Data communication network and method of communication
10/14/1986	CA1212737A1 Method for adjusting channel insertion timing
10/09/1986	WO1986003090A3 Multiphase packet switching system
10/08/1986	EP0196936A1 Apparatus for quick automatic testing, especially of telephone directory terminals
10/08/1986	EP0196911A2 Local area networks
10/08/1986	EP0196870A1 Interface circuit for transmitting and receiving data
10/08/1986	EP0196634A2 Network system
10/08/1986	EP0196347A1 Infrared communication system
10/07/1986	US4616359 Adaptive preferential flow control for packet switching system
10/07/1986	CA1212479A1 Distributed computer control system with variable transfer monitor timers
10/07/1986	CA1212443A1 System and method for controlling a multiple access data communications system including both data packets and voice packets being communicated over a cable television system
10/02/1986	EP0182798A4 Digital timeslot and signaling bus in a digital pbx switch.
10/01/1986	EP0196094A2 Multi-element information transmission system
09/1986
09/30/1986	US4615039 Data network driver
09/30/1986	US4615029 Ring transmission network for interfacing control functions between master and slave devices
09/30/1986	CA1212161A1 Ring communications system
09/30/1986	CA1212087A1 Constant pressure intermittent fluid dispenser
09/24/1986	EP0195598A2 Universal protocol data receiver

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