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)
04/1998
04/02/1998CA2265707A1 Method and apparatus for synchronization of time stamping
04/01/1998EP0833543A2 Network interface
04/01/1998EP0833542A2 Local network with transmitting and receiving apparatus
04/01/1998EP0833514A2 Data decoding system and method, transfer device and method, and receiving device and method
04/01/1998EP0833492A2 Intelligent pager for remotely managing e-mail messages
04/01/1998EP0833490A2 Toll free message response
04/01/1998EP0833488A1 Web-page interface to telephone features
04/01/1998EP0833485A1 Network communication
04/01/1998EP0833480A2 Contention control circuit
04/01/1998EP0833479A1 Contention resolution process for data networks
04/01/1998EP0833464A2 Method of coverage extension in a TDMA system
04/01/1998EP0833426A2 Installation system
04/01/1998EP0833257A2 Apparatus and method for concurrent search content addressable memory circuit
04/01/1998EP0833140A2 Diagnostic system
04/01/1998EP0832530A1 Media access control for isochronous data packets in carrier sensing multiple access systems
04/01/1998EP0832529A2 Atm local access
04/01/1998EP0832528A1 Reverse path allocation and contention resolution scheme for a broadband communications system
04/01/1998EP0832527A1 Packet data transmission in code-division multiple access communication systems
04/01/1998EP0832454A1 Data communication network with highly efficient polling procedure
04/01/1998EP0600075A4 Circuit for simultaneous recovery of bit clock and frame synchronization.
04/01/1998CN1178045A Message fragmenting in time diversity radio system
04/01/1998CN1177874A Poiter processing device, channel overhead terminal processor and method thereof
04/01/1998CN1177873A Apparatus for noticing and comtrolling crowd condition in asynchronous transmission type network and method thereof
04/01/1998CN1177867A Multi-way multiplying tranmistter installation
04/01/1998CA2215486A1 Traffic management and overload control system for packet-based networks
03/1998
03/31/1998US5734967 Method and apparatus for reducing self interference in a communication system
03/31/1998US5734963 Method of operating a communications system
03/31/1998US5734918 Computer system with an input/output processor which enables direct file transfers between a storage medium and a network
03/31/1998US5734867 Method, device, microprocessor and microprocessor memory for instantaneous preemption of packet data
03/31/1998US5734865 Virtual local area network well-known port routing mechanism for mult--emulators in an open system environment
03/31/1998US5734836 Method of preventing double data reception in selective reception communication system
03/31/1998US5734833 Shared communications channel with enhanced reservation and collision resolution protocols allows any subset of stations to transmit data after collision occured in contention slot
03/31/1998US5734831 System for configuring and remotely administering a unix computer over a network
03/31/1998US5734830 Multi-equipment routing method and master station for layered protocol communication network system
03/31/1998US5734826 Variable cyclic redundancy coding method and apparatus for use in a multistage network
03/31/1998US5734825 For a computer network
03/31/1998US5734824 Apparatus and method for discovering a topology for local area networks connected via transparent bridges
03/31/1998US5734821 Method and apparatus for a direct data transmission between a communication network interface and a multimedia data processor
03/31/1998US5734811 Segment substitution/swap for network restoration pre-plans
03/31/1998US5734678 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
03/31/1998US5734675 Receiver sharing for demand priority access method repeaters
03/31/1998US5734659 Computer network having a virtual circuit message carrying a plurality of session messages
03/31/1998US5734658 Data communication system
03/31/1998US5734656 Method and apparatus for dynamically allocating bandwidth on a TDM bus
03/31/1998US5734655 Distributed type switching system
03/31/1998US5734654 Frame relay switching apparatus and router
03/31/1998US5734653 Cell/ packet assembly and disassembly apparatus and network system
03/31/1998US5734652 ATM extended autoregistration and VPI/VCI assignment in a hybrid fiber-coax cable network
03/31/1998US5734651 Transaction message routing in digital communication networks
03/31/1998US5734650 ATM queuing and scheduling apparatus
03/31/1998US5734649 Data packet router
03/31/1998US5734646 Code division multiple access system providing load and interference based demand assignment service to users
03/31/1998US5734645 Layer 2 protocol in a cellular communication system
03/31/1998US5734642 In a communications network
03/31/1998US5734641 Device and method for discriminating timeout
03/31/1998US5734640 In a communication network
03/31/1998US5734589 Digital entertainment terminal with channel mapping
03/31/1998US5734486 Optical packet switching system
03/31/1998US5734329 Method and apparatus for superimposing self-clocking multifunctional communications on a static digital signal line
03/31/1998CA2015430C Data exchange apparatus
03/27/1998CA2213961A1 Apparatus and method for concurrent search content addressable memory circuit
03/26/1998WO1998012885A2 Method and apparatus for determining virtual cell area
03/26/1998WO1998012852A1 Method for checking a data exchange based on a communication protocol
03/26/1998WO1998012845A1 Packet switched router architecture for providing multiple simultaneous communications
03/26/1998WO1998012842A1 Address allocation method for records of values representing various parameters
03/26/1998WO1998012841A1 Frame transfer normalized priority
03/26/1998WO1998012840A1 Packet filtering in connection-based switching networks
03/26/1998WO1998012839A1 Arrangement for accessing media in a network having universal multiple access nodes and carrier sense nodes
03/26/1998WO1998012838A1 Multiple signal processing unit for utility wiring by receiver/lan and utility wiring system by receiver/lan
03/26/1998WO1998012837A1 Information distribution system
03/26/1998WO1998012833A2 Method and system for wireless internet access
03/26/1998WO1998012832A1 A mobile tele-computer network for motion picture, television and tv advertising production
03/26/1998WO1998012830A1 Logical multicast from a switch configured for spatial multicast
03/26/1998WO1998012829A1 Method and apparatus for optimizing a medium access control protocol
03/26/1998WO1998012828A1 Telecommunications network management observation and response system
03/26/1998WO1998012652A2 Computer-aided optimization of node couples in a given graph showing coupling possibilities
03/26/1998WO1998005138A3 Testing facility for a broadband communications system
03/26/1998WO1997049057A3 Device user interface with topology map
03/26/1998WO1997044961A3 System and method for total telecommunications service commissioning
03/26/1998DE19642258C1 Digital data transmission method e.g. for audio data
03/26/1998DE19638174A1 Verfahren, durch welches Sätzen von verschiedene Parameter repräsentierenden Werten Adressen zuweisbar sind Method by which sets of data representing parameter values ​​of different addresses are assignable
03/26/1998DE19629914C1 Transmission rights awarding method
03/26/1998CA2266493A1 Logical multicast from a switch configured for spatial multicast
03/26/1998CA2265985A1 Method and system for wireless internet access
03/26/1998CA2265794A1 Address allocation method for records of values representing various parameters
03/26/1998CA2265478A1 Method and apparatus for optimizing a medium access control protocol
03/25/1998EP0831670A1 Telecommunication network based on distributed control
03/25/1998EP0831669A2 Load control method and apparatus for CDMA cellular system having circuit and packet switched terminals
03/25/1998EP0831668A1 Auto-adaptive intercommunication protocol between base stations of a cellular telephone network
03/25/1998EP0831663A2 Method for wireless transmission of digital data
03/25/1998EP0831624A2 A modem
03/25/1998EP0831621A2 Communication control apparatus
03/25/1998EP0831620A2 Local network with terminals for radio communication
03/25/1998EP0831619A2 Method and system for providing low-cost high-speed data services
03/25/1998EP0831618A2 Improvements in or relating to information/data transfer systems
03/25/1998EP0831617A2 Flexible SNMP trap mechanism
03/25/1998EP0831613A1 Network adapter with conversion of a bit stream in transport frames
03/25/1998EP0831612A1 Mobile communication system
03/25/1998EP0831496A2 A method and system for testing memory
03/25/1998EP0830801A2 Fast and efficient packet transmission system and method
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