Patents for H04L 12 - Data switching networks (448,999)
09/1992
09/01/1992US5144297 Digital cross connection apparatus
09/01/1992US5144295 Interruption processing system in time division multiplex transmission system
09/01/1992US5144293 Serial link communication system with cascaded switches
08/1992
08/26/1992EP0500238A1 Header translation unit for an ATM switching system
08/26/1992CA2104788A1 Hand-held data capture system with interchangeable modules and interactive control circuits
08/25/1992US5142694 Reporting unit
08/25/1992US5142653 Method and circuit arrangement for determining the quality of virtual connections through an asynchronous transfer mode switching equipment
08/25/1992US5142624 Virtual network for personal computers
08/25/1992US5142550 Packet data communication system
08/25/1992US5142534 Wireless integrated voice-data communication system
08/25/1992US5142533 Method for controlling the scheduling of multiple access to communication resources
08/25/1992US5142531 Data communications network
08/25/1992US5142530 Multi-frame stripping protocol for token ring networks
08/25/1992US5142526 Transmission failure diagnosis apparatus
08/25/1992CA1306810C Data communication method and apparatus
08/25/1992CA1306809C Variable data compression announcement circuit
08/25/1992CA1306808C Integrated switching system and announcement circuit
08/25/1992CA1306790C Packet switch with dynamic allocation of inputs
08/20/1992WO1992014321A1 Connectionless communication system
08/20/1992WO1992014320A1 Packet switching communications system
08/20/1992WO1992014319A1 Packet switch with broadcasting capability for atm networks
08/20/1992WO1992014314A1 Digital/audio interactive communication network
08/20/1992WO1992014210A1 Network interface circuit apparatus and method
08/20/1992CA2079484A1 Connectionless communication system
08/20/1992CA2079340A1 Packet switching communications system
08/20/1992CA2061171A1 Serial bus interface and method
08/19/1992EP0499150A1 Method of and system for controlling packet-rate in communication network
08/19/1992EP0498967A1 Bandwidth allocation for permanent virtual connections
08/19/1992EP0498910A1 Device for a domestic communication system
08/19/1992EP0268664B1 A method of coupling a data transmitter unit to a signal line and an apparatus for performing the invention
08/18/1992US5140588 Circuit for calculating the quantity of message signals supplied to an atm switching during virtual connections
08/18/1992US5140587 Broadband ring communication system and access control method
08/18/1992US5140586 Token associated data network communications protocol
08/18/1992US5140585 Star local-area network system
08/18/1992US5140584 Packet communication system and method of controlling same
08/18/1992US5140583 Message routing
08/18/1992US5140582 Packet switching system having bus matrix switch
08/18/1992US5140417 Fast packet transmission system of video data
08/18/1992US5140172 Interface module for a bus interface
08/13/1992DE4100629C1 Control and data transmission installation - has switching modules, each with changeover switch bridging shift register
08/12/1992EP0498751A1 Apparatus and method for communicating between nodes in a network
08/12/1992EP0498697A1 Device for controlling the access of information processing stations to an information transmission network using optical transmission between these stations
08/12/1992EP0498494A1 A data communication system based on a serial bus and a monitor station for use with such system
08/12/1992EP0498408A1 ATM exchange system with management cells
08/12/1992EP0498407A1 Congestion relieving system in a communication system
08/12/1992EP0498360A2 Access to transmit on a message priority basis
08/12/1992EP0498359A2 Ring bus station having dual oscillators
08/12/1992EP0498201A2 Generic high bandwidth adapter architecture
08/12/1992EP0498092A1 Method for monitoring and smoothing asynchronously transmitted data streams
08/12/1992EP0222017B1 Circuit switching devices
08/12/1992CN1017861B High-speed asynchronous transfer mode pocket swtiching network system having time slot scheduling unit
08/12/1992CN1017860B Digital key telephone system
08/11/1992US5138653 System for automatic notification of the receipt of messages in an electronic mail system
08/11/1992US5138635 Network clock synchronization
08/11/1992US5138616 Continuous on-line link error rate detector utilizing the frame bit error rate
08/11/1992US5138615 Reconfiguration system and method for high-speed mesh connected local area network
08/11/1992US5138614 Transformation method for network conference connections
08/11/1992US5138613 Connection establishing method in broadcasting packet communication and packet communication system having function of automatically shunting a broadcasting packet
08/11/1992US5138612 Time-division multiplex transmission system
08/11/1992US5138607 Method and device for evaluating the throughput of virtual circuits employing an asynchronous time-division multiplexed transmission channel
08/11/1992US5138327 Antenna pattern selection for optimized communications and avoidance of people
08/06/1992WO1992013413A1 Encapsulation of an address within a forwarded frame in a computer communications system
08/06/1992WO1992013412A1 Avoidance of undesired re-initialization of a computer network
08/06/1992WO1992013411A1 Bus coupler
08/06/1992WO1992013410A1 Group address concentration through a network bridge
08/06/1992WO1992013409A1 Multicast addressing in a local area network having inadequate multicast addressing capability
08/06/1992WO1992013307A1 Method and device for monitoring computer manipulations
08/06/1992CA2060559A1 Congestion relieving system in a communication system
08/05/1992EP0497670A1 Optical concentrator
08/05/1992EP0497669A1 Optical satellite exchange
08/05/1992EP0497668A1 An optical time multiplexer and an optical time demultiplexer
08/05/1992EP0497667A1 Optical switch matrix
08/05/1992EP0497097A2 Switching system with time-stamped packet distribution input stage and packet sequencing output stage
08/05/1992EP0497073A2 Wide-band domestic reconfigurable multipoint cable network for simultaneous and/or alternative distribution of several types of signals
08/05/1992EP0497005A2 Access method for optical local area network systems
08/05/1992EP0496986A2 Packet data communication system
08/05/1992EP0496810A1 Method and device in a digital communication network.
08/04/1992US5136715 Terminal apparatus for resetting by remote control
08/04/1992US5136690 Dynamic graphical analysis of network data
08/04/1992US5136589 Apparatus for using duplex transmission line in network
08/04/1992US5136584 Hardware interface to a high-speed multiplexed link
08/04/1992US5136583 Data-communication method for loop-type network having portable slave stations connectable to addressable junction boxes permanently connected in the network
08/04/1992US5136582 Memory management system and method for network controller
08/04/1992US5136581 Arrangement for reserving and allocating a plurality of competing demands for an ordered bus communication network
08/04/1992US5136580 Apparatus and method for learning and filtering destination and source addresses in a local area network system
07/1992
07/30/1992CA2060116A1 Optoelectronic switching matrix
07/30/1992CA2060115A1 Optoelectronic satellite centre
07/30/1992CA2060114A1 Optoelectronic time division multiplexer and optoelectric time division demultiplexer
07/30/1992CA2060112A1 Optoelectronic concentrator
07/29/1992EP0496390A2 Connection hold control system
07/29/1992EP0496177A1 Method of transmitting data by buffer chaining between a host computer and a communication controller
07/29/1992EP0233898B1 Interconnection of broadcast networks
07/28/1992US5134610 Network transit prevention
07/28/1992US5134311 Self-adjusting impedance matching driver
07/25/1992CA2059878A1 Connection hold control system
07/23/1992WO1992009152A3 Direct digital access telecommunication system
07/23/1992WO1990015492A3 Star-wired ring lan
07/23/1992DE4037723A1 Transferring data from interfaces to processor controlling installation - using interrupt controller with priority arranged inputs from interface devices
07/22/1992EP0495600A1 Polling method in a radio data packet communication system
07/22/1992EP0495575A1 Repeater interface controller