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)
10/1995
10/12/1995WO1995027383A1 Cell relay transport mechanism
10/12/1995WO1995027357A1 Interconnection of local communication bus systems
10/12/1995WO1995027356A1 Ethernet extender
10/12/1995WO1995027352A1 High speed bidirectional digital cable transmission system
10/12/1995WO1995027350A1 Frequency agile broadband communications system
10/12/1995WO1995027348A1 Customer premises equipment receives high-speed downstream data over a cable television system and transmits lower speed upstream signaling on a separate channel
10/12/1995WO1995027347A1 Apparatus and method for integrating downstream data transfer over a cable television channel with upstream data carried by other media
10/12/1995WO1995027342A1 A method of power conservation
10/12/1995WO1995027338A1 Method and apparatus for detecting and handling collisions in a radio communication system
10/12/1995WO1995027249A1 Method and appartus for monitoring and controlling programs in a network
10/12/1995WO1995025395A3 Electronic unit for storing and retrieving of electronic mail and facsimile
10/12/1995WO1995021492A3 Packet data in an analog cellular radiotelephone system
10/12/1995DE19509133A1 Monitoring device for 2-wire bus line system
10/12/1995CA2186879A1 Frequency agile broadband communications system
10/11/1995EP0676879A2 Packet management device for fast-packet network
10/11/1995EP0676878A1 Efficient point to point and multi point routing mechanism for programmable packet switching nodes in high speed data transmission networks
10/11/1995EP0676703A2 A technique for accomplishing deadlock free routing through a multi-stage cross-point packet switch
10/11/1995EP0606368A4 Packet processing method and apparatus.
10/11/1995CN1110035A Method of controlling access to a buffer as well as apparatus for temporarily storing data packets and exhange with such apparatus
10/11/1995CN1110034A Wide-area-network trunked radio system and operation thereof
10/10/1995US5457806 Computer system including LAN analyzer and method of analyzing communication procedure
10/10/1995US5457780 System for producing a video-instruction set utilizing a real-time frame differential bit map and microblock subimages
10/10/1995US5457737 Methods and apparatus to verify the identity of a cellular mobile phone
10/10/1995US5457736 System and method for providing microcellular personal communications services (PCS) utilizing embedded switches
10/10/1995US5457700 Asynchronous transfer mod (ATM) transmission test cell generator
10/10/1995US5457689 High speed polling protocol for multiple node network with sequential flooding of a polling message and a poll-answering message
10/10/1995US5457687 Method and apparatus for backward explicit congestion notification (BECN) in an ATM network
10/10/1995US5457684 Delay-less signal processing arrangement for use in an ATM network
10/10/1995US5457683 Link and discovery protocols for a ring interconnect architecture
10/10/1995US5457682 Apparatus and method for supporting a line group apparatus remote from a line unit
10/10/1995US5457681 ATM-Ethernet portal/concentrator
10/10/1995US5457679 Channel sharing and memory sharing in a packet switching system
10/10/1995US5457678 Method and circuit arrangement for the transmission of message packets according to the asynchronous transfer mode in a communication network
10/10/1995US5457629 Vehicle data system with common supply of data and power to vehicle devices
10/10/1995US5457446 Control bus system with plural controllable devices
10/05/1995WO1995026600A2 Multipurpose synchronous switch architecture
10/05/1995WO1995026596A1 Method for preserving the original timebase of a program in a multiplexed communications system
10/05/1995WO1995024782A3 Transmission format in packet based communications
10/05/1995WO1995024084A3 Method for rerouting a packet-mode data connection
10/05/1995CA2181900A1 Method for preserving the original timebase of a program in a multiplexed communications system
10/04/1995EP0675664A2 Device for the phase realignment of ATM cells in optical ATM nodes
10/04/1995EP0675619A1 System and interconnecting equipment for local networks and address acquisition method
10/04/1995EP0675618A1 Adapting device between a time synchronous network and a time asynchronous network
10/04/1995EP0675617A1 Circuit arrangement for connecting units of an ATM switching device
10/04/1995EP0675616A2 Local area network
10/04/1995EP0675429A2 Data handling apparatus
10/04/1995EP0674825A1 Device for the conversion of data blocks, frame structured, into atm cells and vice versa.
10/04/1995EP0674821A1 Flow control system for packet switches
10/04/1995EP0674790A1 Method and apparatus for transforming an arbitrary topology collection of nodes into an acyclic directed graph
10/04/1995EP0674789A1 Method and apparatus for unique address asignment, node self-identification and topology mapping for a directed acyclic graph
10/04/1995EP0674788A1 Method and apparatus for arbitrating on an acyclic directed graph
10/04/1995EP0674787A1 Virtual printer
10/03/1995US5455959 System for collecting from masters information independently collected from associated slaves in shelves of a telecommunications terminal
10/03/1995US5455917 Apparatus and method for frame switching
10/03/1995US5455841 Variable bit rate bandwidth compression transmission through a network having cell loss probability
10/03/1995US5455832 Method and system for testing a sonet network element
10/03/1995US5455828 Carrier sensing multiple access/collision detection local area networks
10/03/1995US5455826 Method and apparatus for rate based flow control
10/03/1995US5455825 Tag-based scheduling system for digital communication switch
10/03/1995US5455820 Output-buffer switch for asynchronous transfer mode
10/03/1995US5455701 Packet switching apparatus using pipeline controller
10/03/1995US5455700 Regenerative communication channel extender
10/03/1995US5455699 Large capacity multi-access wavelength division multiplexing packet network
10/03/1995US5455569 Link layered communications network and method
10/03/1995US5455568 Selective communication system having separate connection circuits between communication devices
10/01/1995CA2145587A1 Local area network interconnection system, interconnection equipment intended to be used in such a system and method of generating addresses which is intended to be used in such an equipment
09/1995
09/28/1995WO1995026097A1 Packet-switched facsimile network and method of operation
09/28/1995WO1995026094A1 Pcs pocket phone/microcell communication over-air protocol
09/28/1995WO1995026092A1 A call processing system
09/28/1995WO1995026090A1 Distributed autonomous object architecture for network layer routing
09/28/1995WO1995023495A3 Method and device for transmitting data packets
09/28/1995DE19510280A1 Austauschprotokoll für digitale Daten Exchange protocol for digital data
09/28/1995CA2186031A1 Pcs pocket phone/microcell communication over-air protocol
09/27/1995EP0674461A2 Method and apparatus for recording incoming interleaved asynchronous transfer mode cells
09/27/1995EP0674460A2 A method of routing multiple virtual circuits
09/27/1995EP0674459A2 A method of on-line permanent virtual circuit routing
09/27/1995EP0674458A1 Apparatus for monitoring an ATM system
09/27/1995EP0674457A2 Switching equipment
09/27/1995EP0674414A2 Apparatus and computer-implemented process for providing real-time multimedia data transport in a distributed computing system
09/27/1995EP0674411A1 Virtual interconnection memory especially for communication between terminals operating at different speeds
09/27/1995EP0674410A1 Bus management system
09/27/1995EP0674409A2 Apparatus for testing ATM channels
09/27/1995EP0674408A2 A system and method for transmitting a computer object
09/27/1995EP0673574A1 Packet data network
09/27/1995EP0673573A1 A method for congestion management in a frame relay network and a node in a frame relay network
09/27/1995EP0673572A1 A controllable pcm state machine user interface
09/27/1995EP0673571A1 Pcm pseudo code signalling user interface
09/27/1995CN1109231A Method and facility for temporarily storing data packets, and exchange with such a facility
09/26/1995US5454008 Method and apparatus for interfacing between a twisted pair and an intelligent cell
09/26/1995US5454001 Data transmission system for automotive vehicles
09/26/1995US5453987 Random access protocol for multi-media networks
09/26/1995US5453986 Dual port interface for a computer-based multifunction personal communication system
09/26/1995US5453984 Communication system for multi-service communication terminal equipment in local networks
09/26/1995US5453982 Packet control procedure between a host processor and a peripheral unit
09/26/1995US5453981 Method of controlling communication network incorporating virtual channels exchange nodes and virtual paths exchange nodes
09/26/1995US5453980 Communication network and computer network server and interface modules used therein
09/26/1995US5453979 Method and apparatus for generating route information for asynchronous transfer mode cell processing
09/26/1995US5453978 Technique for accomplishing deadlock free routing through a multi-stage cross-point packet switch
09/26/1995US5453977 Method for network configuration via third party query
09/26/1995US5453790 Video decoder having asynchronous operation with respect to a video display
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