Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 12 - Data switching networks
Patents for H04L 12 - Data switching networks (448,999)
11/1995
11/02/1995EP0679302A1 Device for monitoring a message transfer unit
11/02/1995CA2177141A1 Packet data transmission with asynchronous bandwidth switching
10/1995
10/31/1995US5463777 System for segmenting data packets to form binary decision trees which determine filter masks combined to filter the packets for forwarding
10/31/1995US5463735 Method of downloading information stored in an arching device to destination network controller through intermediate network controllers in accordance with routing information
10/31/1995US5463658 Low impact collision detection method
10/31/1995US5463634 Dual ring fault isolation
10/31/1995US5463633 Use of at commands to test modem with HP3065
10/31/1995US5463629 Dynamic channel allocation method and system for integrated services digital network
10/31/1995US5463626 Wireless facsimile computer slate
10/31/1995US5463624 Bus arbitration method for telecommunications switching
10/31/1995US5463623 Integrated wireless telecommunication and local area network system
10/31/1995US5463622 Control unit for the common memory of an ATM node
10/31/1995US5463621 Fast connection setup interfaces using pre-assigned virtual channel identifiers
10/31/1995US5463620 Bandwidth allocation, transmission scheduling, and congestion avoidance in broadband asynchronous transfer mode networks
10/30/1995CA2147417A1 Method of operating a switching network, as well as switching network and exchange therefor
10/26/1995WO1995028802A1 Minimum-delay jitter smoothing device and method for packet video communications
10/26/1995WO1995028787A1 A communication network control method and apparatus
10/26/1995WO1995028786A1 Bus arbitration method for telecommunications switching
10/26/1995WO1995028785A1 Supervisory interface controller and method for remotely controlled terminal
10/26/1995WO1995028781A1 Buffered crosspoint matrix for an asynchronous transfer mode switch and method of operation
10/26/1995WO1995028780A1 Method and system for routing packets in a packet communication network using locally constructed routine tables
10/26/1995WO1995028779A1 Multi-service switch for a telecommunications network
10/26/1995WO1995028684A1 Device, method and system for variable bit-rate packet video communications
10/26/1995DE4436818C1 Teilnehmeranschlußnetz Subscriber access network
10/26/1995DE4430993C1 Adaptive path search among network nodes maintaining topological data
10/26/1995DE19514831A1 Information bit transfer system in local network with peripheral equipment
10/26/1995CA2187926A1 Method and system for routing packets in a packet communication network using locally constructed routine tables
10/26/1995CA2187292A1 Buffered crosspoint matrix for an asynchronous transfer mode switch and method of operation
10/26/1995CA2187290A1 Multi-service switch for a telecommunications network
10/25/1995EP0686327A4 Message document security
10/25/1995EP0679043A2 Apparatus and method for radio communication
10/25/1995EP0679035A2 Media error code generation such as for an inverse transport processor
10/25/1995EP0679030A2 Packet program component detector
10/25/1995EP0678998A2 Translator chip for a wideband network
10/25/1995EP0678997A1 Improvements in or relating to ATM communication systems
10/25/1995EP0678996A2 Apparatus and method of processing bandwidth requirements in an ATM switch
10/25/1995EP0678995A1 System with apparatus communicating tarification changes
10/25/1995EP0678994A2 Communication control methods and apparatus
10/25/1995EP0678993A1 Method and apparatus for controlling the configuration definitions in a data processing system with a plurality of processors
10/25/1995EP0564496B1 Process for transmitting information
10/24/1995US5461628 Network system capable of network elements with decreasing load of a monitoring device
10/24/1995US5461627 Access protocol for a common channel wireless network
10/24/1995US5461626 Method and apparatus for multiplexing digital signal
10/24/1995US5461625 Frame stripping method and circuit in FDDI (fiber distributed data interface) bridge system
10/24/1995US5461624 Distributed routing network element
10/24/1995US5461617 Serial controller
10/24/1995US5461615 Asynchronous switching node distributing cells dynamically to outputs constituting an irregular group
10/24/1995US5461614 For transferring data packets from input ports to output ports in a network
10/24/1995US5461611 Local area network
10/24/1995US5461609 Packet data network switch having internal fault detection and correction
10/24/1995US5461608 Ring network with temporary master node for collecting data from slave nodes during failure
10/24/1995US5461607 ATM communication apparatus and failure detection and notification circuit
10/24/1995US5461561 System for recognizing display devices
10/24/1995CA1337439C Link utilization control mechanism for demand assignment satellite communications network
10/23/1995CA2147563A1 Communication control method and apparatus
10/23/1995CA2147332A1 Packetizer arrangement
10/19/1995WO1995028048A1 Method and apparatus for determining and indicating network integrity
10/19/1995WO1995028047A1 A method and a system for distributed supervision of hardware
10/19/1995WO1995027978A2 Recording and reproducing an mpeg information signal on/from a record carrier
10/19/1995WO1995027977A2 Method of transmitting timing-critical data via an asynchronous channel
10/19/1995WO1995027942A1 Method for translating internet protocol addresses to other distributed network addressing schemes
10/19/1995DE4427691C1 Control circuit with slave state monitor for community antenna system
10/19/1995DE4412921A1 Transmitting data and auxiliary power simultaneously via symmetrical two=wire bus
10/19/1995DE19514696A1 Serial bus connection equipment eliminating functional interference
10/19/1995CA2187203A1 Method and apparatus for determining and indicating network integrity
10/18/1995EP0677942A2 Conference bridge for speech packet networks
10/18/1995EP0677941A2 Method and apparatus for controlling transmission bandwidth between connectionless servers
10/18/1995EP0677940A2 Handoff monitoring in cellular communication network using slow frequency hopping
10/18/1995EP0677233A1 A wide area fiber and tv cable fast packet cell network
10/18/1995EP0677226A1 Method and apparatus for interfacing a workstation to a plurality of computer platforms
10/18/1995EP0677225A1 System for providing voltage in a voltage line common to a plurality of electrical units
10/18/1995EP0677224A1 A method and apparatus for locating a digital control channel in a radiocommunication system
10/18/1995EP0677223A1 Automatic retransmission request
10/18/1995EP0677222A1 Layer 2 protocol in a cellular communication system
10/18/1995CN1110443A Method and apparatus for confirming delivery of files in a file broadcast system
10/17/1995US5459837 System to facilitate efficient utilization of network resources in a computer network
10/17/1995US5459789 Packet TV program component detector
10/17/1995US5459761 Intelligent repeater for trunked communications
10/17/1995US5459743 Address decision system having address check system
10/17/1995US5459731 In a communication network
10/17/1995US5459726 Device for the initiation of multiplex timings in an asynchronous switching system
10/17/1995US5459725 Reliable multicasting over spanning trees in packet communications networks
10/17/1995US5459724 ATM switching arrangement
10/17/1995US5459723 Packet management device for fast-packet network
10/17/1995US5459722 Asynchronous transfer mode (ATM) transport of voice-band signals
10/17/1995US5459720 System for internetworking data terminal equipment through a switched digital network
10/17/1995US5459719 Data transmission control method and station used for the same
10/17/1995US5459718 Cross connection by using a switch request flag in a digital signal fails before supply to cross connected switch units
10/17/1995US5459717 Method and apparatus for routing messagers in an electronic messaging system
10/17/1995US5459714 Enhanced port activity monitor for an integrated multiport repeater
10/17/1995US5459713 Self-configuring data communication system and method
10/17/1995US5459507 Terminal device for a catv system having a read out function
10/17/1995US5459506 Enhanced pay per view system
10/17/1995US5459454 Message transmission device, and a message transmission system and a message transmission status advising system using the message transmission device
10/17/1995CA2034660C Station-to-station full duplex communication in a token ring local area network
10/17/1995CA1337362C Packet-switching facilities
10/16/1995CA2117540A1 Supervisory interface controller and method for remotely controlled terminal
10/15/1995CA2144402A1 Efficient point to point and multi point routing mechanism for programmable packet switching nodes in high speed data transmission networks
10/12/1995WO1995027385A2 Method and apparatus for controlling transmission systems
10/12/1995WO1995027384A1 B-isdn access
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