Patents for H04L 12 - Data switching networks (448,999)
05/1994
05/04/1994EP0595751A2 Method of routing electronic messages
05/04/1994EP0595509A1 A network with a security capability
05/04/1994EP0595440A2 Method for modeling and simulating data traffic on networks
05/04/1994EP0595034A1 Differentially coded and guard pulse position modulation for communication networks
05/04/1994EP0594878A1 Passive optical telecommunication system
05/04/1994EP0458781B1 Process for monitoring a computer network
05/04/1994CN1086362A Data transfer method and apparatus having dual frequency operation
05/03/1994US5309564 Apparatus for networking computers for multimedia applications
05/03/1994US5309563 Computer implemented method for transferring command messages between a system manager for a computer system and a network operating system associated therewith
05/03/1994US5309555 Realtime communication of hand drawn images in a multiprogramming window environment
05/03/1994US5309503 Dynamic channel assignment in a communication system
05/03/1994US5309448 Methods and systems for alarm correlation and fault localization in communication networks
05/03/1994US5309438 ATM cell delay circuit for ISDN system
05/03/1994US5309437 Bridge-like internet protocol router
05/03/1994US5309435 Multiring data transmission system
05/03/1994US5309433 Methods and apparatus for routing packets in packet transmission networks
05/03/1994US5309432 High-speed packet switch
05/03/1994US5309431 Route regulating apparatus
05/03/1994US5309430 Telecommunication system
05/03/1994US5309428 Token ring local area network testing apparatus for phase jitter testing
05/03/1994US5309426 High performance cascadable simplex switch
05/03/1994US5309395 Synchronous static random access memory
05/03/1994US5309266 Photonic switching matrix
05/03/1994US5309153 Adaptive on-off control for radio receiver
05/03/1994US5309123 Device for connecting a data communication network to a plurality of subscribers
05/03/1994CA2102075A1 Ethernet repeater
05/03/1994CA2102027A1 Message delivery improvement for data communications system using single frequency reuse networks
05/03/1994CA2020814C Packet concentrator and packet switching system
05/03/1994CA2008224C Equipment and method for management of terminal identification number in communication system
05/03/1994CA1329250C Packet communication exchange including dummy packet transmission
04/1994
04/29/1994EP0606466A4 Apparatus for automatic initiation of data transmission.
04/28/1994WO1994009587A1 Public switched telephone network access to public data network
04/28/1994WO1994009581A1 Full duplex ethernet
04/28/1994WO1994009579A1 Ring network security system
04/28/1994WO1994009576A1 A broadband virtual private network service and system
04/28/1994WO1994009427A1 System management method and apparatus
04/28/1994WO1994008513A1 Percutaneous vascular sealing apparatus and method
04/28/1994CA2147001A1 Percutaneous vascular sealing apparatus and method
04/27/1994EP0594353A1 Initializing terminals in a signal distribution system
04/27/1994EP0594347A2 Synchronous static random access memory
04/27/1994EP0594200A2 Backplane wiring for hub in packet data communications system
04/27/1994EP0594199A1 Packet format in hub for packet data communications system
04/27/1994EP0594198A2 Crossbar switch for synthesizing multiple backplane interconnect topologies in communications system
04/27/1994EP0594197A1 Improved negotiation protocol for establishment of full duplex communication on a token ring network
04/27/1994EP0594196A1 Address lookup in packet data communications link, using hashing and content-addressable memory
04/27/1994EP0594144A1 Bussystem
04/27/1994EP0593918A1 Communication control apparatus
04/27/1994EP0593843A2 Improvements in frame relay data transmission systems
04/27/1994EP0593812A1 Procedure for suppressing the drift between the expected information cell rate and the actual information cell rate
04/27/1994EP0593739A1 Restricted information distribution system apparatus and methods
04/27/1994EP0593609A1 High speed switching architecture
04/27/1994EP0593534A1 Device and method for implementing queueing disciplines at high sspeeds
04/26/1994US5307509 Method for the transmission of data among mobile bodies or autonomous vehicles
04/26/1994US5307484 Relational data base repository system for managing functional and physical data structures of nodes and links of multiple computer networks
04/26/1994US5307354 Method and apparatus for remote maintenance and error recovery in distributed data processing networks
04/26/1994US5307350 Method for collison avoidance on a character sense, multiple access local area network
04/26/1994US5307348 Scheduling in a communication system
04/26/1994US5307345 Method and apparatus for cut-through data packet transfer in a bridge device
04/26/1994US5307344 Method for setting up virtual connections in packet switching networks
04/26/1994US5307343 Basic element for the connection network of a fast packet switching node
04/26/1994US5307341 Random access multiple user communication system
04/26/1994US5307340 Multipath transmission system with a troubleshooting arrangement for detecting failure
04/26/1994CA2022798C Communication switching element and method for transmitting variable length cells
04/26/1994CA1328928C Computer communication arrangement
04/26/1994CA1328916C Congestion control method for packet switching apparatus
04/25/1994EP0604592A4 Digital telephone, cable tv system and local exchange bypass network.
04/21/1994DE4335116A1 Network bus system with ring topology - transmits and receives data on three lines and has memory decoder and data receiver at each network node
04/20/1994EP0593380A1 Interactive communication device, especially for domestic networks
04/20/1994EP0593289A2 Frequency hopping spread spectrum data communications system
04/20/1994EP0593209A2 Transmission of check images by way of a public switched telephone network
04/20/1994EP0593100A2 Multiprocessor digital data processing system
04/20/1994EP0592846A1 Call setup and channel allocation for a multi-media network bus
04/20/1994EP0592623A1 Atm radio network
04/20/1994EP0592554A1 Polling controller
04/20/1994EP0592420A1 Interactive communication and transport system for still pictures.
04/20/1994EP0400017B1 Data transmission system
04/20/1994EP0295426B1 Method and apparatus for generating alert messages in a communication network
04/19/1994US5305465 Interface chip for coupling modulated signals
04/19/1994US5305321 Ethernet media access controller with external address detection interface and associated method
04/19/1994US5305320 Peripheral communications network
04/19/1994US5305317 Local area network adaptive circuit for multiple network types
04/19/1994US5305314 Global load smoothing in a real time data imaging network system
04/19/1994US5305311 Copy network providing multicast capabilities in a broadband ISDN fast packet switch suitable for use in a local area network
04/19/1994US5305310 Packet switching system having arbitrative function for competing packets
04/19/1994US5305306 Station-to-station full duplex communication in a token ring local area network
04/19/1994US5305305 Message switching network monitoring
04/19/1994US5305181 Arm or wrist mounted terminal with a flexible housing
04/19/1994US5304992 Method of allocating identifiers and apparatus for the same
04/19/1994CA1328682C Method and apparatus for communication network alert record identification
04/16/1994CA2108389A1 Frequency hopping spread sprectrum data communications system
04/15/1994CA2080530A1 Dynamic networking
04/14/1994WO1994008419A1 Electronic mail message delivery system
04/14/1994WO1994008415A1 Method and apparatus for interconnecting a variety of computer networks
04/14/1994WO1994008414A1 Cell based wide area network alternative access telephone and data system
04/14/1994WO1994008413A1 Switching controller and switching control method to standby system in mixed system of duplex system and backup line
04/14/1994WO1994008412A1 Method for interconnecting local area networks or network segments and a local area network bridge
04/14/1994WO1994008411A1 Method for assigning priority to traffic between local area networks interconnected via a backbone network
04/14/1994WO1994008308A1 Method and apparatus for processing data within stations of a communication network
04/14/1994WO1994008305A1 Automatic disabling of termination of a digital computer bus
04/14/1994WO1993026108A3 Output-buffered packet switch with a flexible buffer management scheme