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)
10/1996
10/10/1996DE19511178A1 Data transfer system for industrial control systems with diagnostic function for locating faults
10/09/1996EP0737021A2 Method and apparatus for communication among a plurality of terminals, compatible with the ARINC 629 standard
10/09/1996EP0736991A2 Digital interface device and digital interface method
10/09/1996EP0736990A1 Bus architecture for magnetically coupled communication especially for aeroport applications
10/09/1996EP0736989A2 Mail notification system and method
10/09/1996EP0736987A2 An electrical data transmission system
10/09/1996EP0736239A1 Atm networks for narrow band communications
10/09/1996EP0736238A1 Data link interface for packet-switched network
10/09/1996EP0736237A1 Routing bandwidth-reserved connections in information networks
10/09/1996EP0736236A1 Look-up engine for packet-based network
10/09/1996EP0651927B1 Method for forwarding a signal-cell flow along a multiplicity of parallel junction lines while maintaining the cell sequence
10/09/1996CN1133112A 信号处理单元 The signal processing unit
10/09/1996CN1133111A Multiplexing/demultiplexing unit
10/09/1996CN1133110A Signal receiving and signal transmitting unit
10/09/1996CN1133109A Synchronizing circuit arrangement
10/09/1996CN1132882A Apparatus for testing ordered type video terminal by using computer, and testing method therefor
10/09/1996CN1132881A Switch adapter and computer and data switching method
10/08/1996US5564107 Microcell computer system and method using cell access switch and moving memory architecture
10/08/1996US5564070 Method and system for maintaining processing continuity to mobile computers in a wireless network
10/08/1996US5564021 For use in cooperation with a computer having memory
10/08/1996US5564018 System for automatically distributing selected mail item to selected user associated with office location within physical office floor plan in data processing system
10/08/1996US5563938 Subscriber telephone diverter switch
10/08/1996US5563932 Communication apparatus connectable to switching network providing distinctive ringing pattern service
10/08/1996US5563905 Network communication system having time-sliced protocol
10/08/1996US5563887 Transmission error correction code appending device which can regulate a maximum delay of an interleaver in a variable bit rate video coding system
10/08/1996US5563886 Address assignment and control of a single connection terminal device on a bus
10/08/1996US5563885 Method and system for processing multiple channel data
10/08/1996US5563881 Multihop distribution lists
10/08/1996US5563878 Transaction message routing in digital communication networks
10/08/1996US5563877 Telecommunication network node
10/08/1996US5563876 Fast packet switch
10/08/1996US5563875 Wrap-around route testing in packet communications networks
10/08/1996US5563874 Error monitoring algorithm for broadband signaling
10/08/1996CA2148897A1 Subscriber telephone diverter switch
10/08/1996CA2073893C Multipoint teleconference system employing communication channels set in ring configuration
10/08/1996CA1338640C Communication control system and communication control apparatus
10/08/1996CA1338639C Communication control device
10/03/1996WO1996031081A1 Window comparator
10/03/1996WO1996031080A1 Digital communications system
10/03/1996WO1996031077A1 Method and arrangement in a radio communication system
10/03/1996WO1996031062A1 A system for information on demand, including multi-casting
10/03/1996WO1996031059A1 A navigation system
10/03/1996WO1996031055A1 A conferencing system
10/03/1996WO1996031046A1 Point-to-multipoint connections
10/03/1996WO1996031040A2 Data communication method and apparatus
10/03/1996WO1996031036A1 Bandwidth reservation in a telecommunications system
10/03/1996WO1996031035A1 Method and apparatus for policy-based alarm notification in a distributed network management environment
10/03/1996WO1996031033A2 System for providing a predetermined timing relation between inputting and outputting of data; transmitter and receiver for such a system
10/03/1996WO1996031030A1 Method and apparatus for providing reminder messages in a communication system
10/03/1996WO1996031028A1 Closed loop clock recovery for synchronous residual time stamp
10/03/1996WO1996031021A1 Infrared backbone communication network having a radio frequency backup channel
10/03/1996WO1996021982A3 Use of multipoint connection services to establish call-tapping points in a switched network
10/03/1996CA2213753A1 Data communication method and apparatus
10/03/1996CA2191592A1 Infrared backbone communication network having a radio frequency backup channel
10/03/1996CA2191221A1 A conferencing system
10/02/1996EP0735794A2 Method for transporting voice-band signals on asynchronous transfer mode (ATM) networks
10/02/1996EP0735793A1 Communication system including a network and a multiplexer
10/02/1996EP0735761A1 A navigation system
10/02/1996EP0735759A1 A system for information on demand, including multi-casting
10/02/1996EP0735727A1 ATM switch using synchronous group switching
10/02/1996EP0735726A2 A packet-based telecommunications network
10/02/1996EP0735725A1 ATM policing device
10/02/1996EP0735724A2 Apparatus for bridging non-compatible network architectures
10/02/1996EP0735713A2 Compound transmission system for compounding LAN and other communication channels
10/02/1996EP0735711A1 Method and apparatus for modifying a frame check sequence (FCS)
10/02/1996EP0734633A1 Network updating arrangement
10/02/1996EP0734625A1 Method and apparatus for controlling a communications network
10/02/1996EP0734228A1 Percutaneous vascular sealing apparatus and method
10/02/1996EP0598798B1 Interface unit to detect communication signals
10/02/1996DE19612631A1 Multiplex data transmitting system
10/02/1996DE19511250A1 Redundancy optimised line network for ATM cells and SDH containers
10/02/1996CN1132578A Automatic power level control of a packet communication link
10/02/1996CN1132445A Apparatus and method for transmitting, recording and reproducing digital data
10/02/1996CN1132442A Input-output circuit, recording apparatus and reproduction apparatus for digital video signal
10/01/1996US5561807 Method and device of multicasting data in a communications system
10/01/1996US5561790 Shortest path determination processes for use in modeling systems and communications networks
10/01/1996US5561771 System for transmitting data between systems using selected subsets of plural interconnecting bus lines and including selection of a compatible transmission speed
10/01/1996US5561769 Method and apparatus for executing a distributed algorithm or service on a simple network management protocol based computer network
10/01/1996US5561705 Apparatus for auto dialing telephone numbers and DTMF tones in a personal communication device
10/01/1996US5561686 Radio information communication system using multi-carrier spread spectrum transmission system
10/01/1996US5561670 Method and apparatus for operating a multicast system on an unreliable network
10/01/1996US5561669 Computer network switching system with expandable number of ports
10/01/1996US5561666 Apparatus and method for determining operational mode for a station entering a network
10/01/1996US5561663 Method and apparatus for performing communication rate control using geometric weighted groups
10/01/1996US5561662 Subscriber information processing method in a connectionless data service
10/01/1996US5561661 Method for synchronizing redundantly transmitted message cell streams
10/01/1996US5561466 Video and audio data multiplexing into ATM cells with no dummy cell used and ATM cell demultiplexing
10/01/1996US5561446 Method and apparatus for wireless remote information retrieval and pen-based data entry
10/01/1996CA2090428C Self-healing meshed network using logical ring structures
09/1996
09/30/1996CA2172938A1 Communication system comprising a network and a multiplexing device suitable for such a system
09/30/1996CA2172560A1 Apparatus for bridging non-compatible network architectures
09/30/1996CA2145791A1 Method and apparatus for providing interactive telecomputing systems
09/28/1996CA2170671A1 Method for transporting voice-band signals on asynchronous transfer mode (atm) networks
09/26/1996WO1996029840A1 Device for adapting narrowband voice traffic of a local access network to allow transmission over a broadband asynchronous transfer mode network
09/26/1996WO1996029832A1 Method and apparatus for frequency agility in a communication system
09/26/1996WO1996029815A1 Communications method and apparatus
09/26/1996WO1996029807A1 Lan bridging redundancy
09/26/1996WO1996029806A2 Frame based traffic policing for a digital switch
09/26/1996WO1996029805A1 Method and apparatus for implementing a communication service contract using cell arrival information
09/26/1996WO1996029804A1 Method for rejecting cells at an overloaded node buffer
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