Patents for H04L 12 - Data switching networks (448,999)
02/1993
02/18/1993WO1993003565A1 An atm switching arrangement
02/18/1993WO1993003564A2 Method and unit for the control of the cell flow in a telecommunication system according to the atm technique
02/18/1993WO1993003563A1 Automatically deactivated no-owner frame removal mechanism for token ring networks
02/18/1993WO1993003557A1 Telecommunications switching device
02/18/1993WO1993003555A1 Bandwidth management and congestion control scheme for multicast atm networks
02/18/1993WO1993003439A1 Apparatus and method for frame switching
02/18/1993DE4126850A1 Circuit for matching data bus controller to symmetrical bus line - has filters for attenuating HF components, and evaluation delay which is set longer than filter delay
02/18/1993CA2113725A1 Scalable self-routing non-blocking message switching and routing network
02/17/1993EP0527531A1 Method for transmission of data and station for carrying out the method
02/17/1993EP0527335A2 Dynamic switch protocols on a shared medium network
02/16/1993US5187787 Apparatus and method for providing decoupling of data exchange details for providing high performance communication between software processes
02/16/1993US5187780 Dual-path computer interconnect system with zone manager for packet memory
02/16/1993US5187709 Fault tolerant serial communications network
02/16/1993US5187708 Communication device for layered protocols
02/16/1993US5187707 Packet data flow control for an isdn D-channel
02/16/1993US5187706 Dual access rings for communications networks
02/16/1993US5187605 Optical transceiver
02/16/1993CA1313702C Communication and energy control system for houses
02/11/1993DE4230744A1 Broadcasting cells in ATM coupling structure of packet communication system - retransmitting cells in coupling stages and determining respective junction lines using added routing and broadcasting information
02/10/1993EP0527118A2 Integrity mapping in data communication system
02/10/1993EP0527076A1 Differential information transmission between at least two parts of a vehicle
02/10/1993EP0526990A2 Module comprising in an ATM exchange connection ports, each transmitting a cell indicative of a destination module in a cell header
02/10/1993EP0526765A1 Transmission apparatus having a function for broadcast communication
02/10/1993EP0526717A2 Message stripping protocol for a communication network
02/10/1993EP0526690A2 Synchronous node controllers for switching network
02/10/1993EP0526686A1 Intelligent remote measuring and actuator system
02/10/1993EP0526624A1 Encapsulation of an address within a forwarded frame in a computer communications system.
02/10/1993EP0526580A1 Multichannel backplane bus system architecture
02/10/1993EP0324012B1 Shorted-coaxial-cable detector for local-area networks
02/09/1993WO1993003568A1 Method of communication
02/09/1993US5185863 Byte-wide elasticity buffer
02/09/1993US5185860 Automatic discovery of network elements
02/09/1993US5185743 Signaling cell switching system
02/09/1993US5185737 Method and apparatus for cyclic reservation multiple access in a communications system
02/09/1993US5185735 Lan noise monitor
02/09/1993CA1313561C Communications network state and topology monitor
02/06/1993CA2075229A1 Integrity mapping in data communication system
02/04/1993WO1993002518A1 Monitoring and control apparatus and method
02/04/1993WO1993002517A1 'van' system with additional access protocol for open circuit conditions
02/04/1993WO1993002516A1 Facsimile-mail device
02/04/1993WO1993002515A1 Wide area communications network for remote data generating stations
02/04/1993WO1993002510A1 Network monitor and test apparatus
02/04/1993WO1993002428A1 Method and apparatus for reading and focusing a bar code and data collection and communications module
02/04/1993DE4125678A1 Pulse width modulated signal exchange transmitter - has three transceivers, with third one coupled to first two for information signal exchange
02/04/1993CA2113713A1 Method and apparatus for reading and focusing a bar code and data collection and communications module
02/03/1993EP0526388A2 Radio communication system wherein transceivers retransmit messages in synchronism
02/03/1993EP0526106A2 Integrated wireless telecommunication and local area network system
02/03/1993EP0526104A2 Arrangement for controlling shared-buffer-memory overflow in a multi-priority environment
02/03/1993EP0525845A1 Multiplexing system for subchannels with different priority levels
02/03/1993EP0525632A2 Accounting system and method for ATM network and ATM network
02/03/1993EP0525399A2 Reverse ordered control information transmission
02/03/1993EP0525319A2 Data transmission system
02/03/1993EP0525121A1 Distributed protocol for improving the survivability of telecommunications trunk networks
02/03/1993EP0324846B1 Apparatus and method for storing performance parameters of local area network system members
02/02/1993US5184346 Switching system
01/1993
01/27/1993EP0524909A1 Method of exchanging data
01/27/1993EP0524726A1 LAN noise monitor
01/27/1993EP0524676A1 Method and arrangement for data transmission
01/27/1993EP0524675A1 Method and arrangement for data transmission
01/27/1993EP0524467A2 Band management system in communication
01/27/1993EP0524350A1 Telecommunication system for transmitting cells through switching nodes interconnected by groups of transmission links
01/27/1993EP0524316A1 Connectionless communication system
01/27/1993EP0524297A1 Digital/audio interactive communication network
01/27/1993EP0524200A1 Circuit arrangement for telecommunication switching networks, preferably telephone switching networks, consisting of exchanges.
01/27/1993EP0524199A1 Telecommunication interface apparatus and method
01/26/1993US5182753 Method of transmitting signaling messages in a mobile radio communication system
01/26/1993US5182747 Method for controlling the insertion of stations into fddi network
01/26/1993US5182746 Transceiver interface
01/26/1993US5182745 Data transmission method and arrangement
01/26/1993US5182550 Inter-network connection system
01/23/1993CA2073912A1 Data exchange process
01/21/1993WO1993001670A1 Device and method for implementing queueing disciplines at high sspeeds
01/21/1993WO1993001669A1 High speed switching architecture
01/21/1993WO1993001668A1 Process for information transmission in a bus system having several participants
01/21/1993WO1993001551A1 Polling controller
01/21/1993CA2112664A1 High speed switching architecture
01/21/1993CA2112361A1 Device and method for implementing queueing disciplines at high speeds
01/21/1993CA2111982A1 Polling controller
01/20/1993EP0524036A1 Method to identify a distant functional object in a network, and corresponding functional units and apparatus
01/20/1993EP0523874A2 Method for operating an asynchronous packet bus for transmission of asynchronous and isochronous information
01/20/1993EP0523648A2 Random access data communication system with slot assignment capability for contending users
01/20/1993EP0523626A1 Multipoint teleconference system employing communication channels set in ring configuration
01/20/1993EP0523386A1 System for monitoring normality of operation of ATM cross-connecting apparatus
01/20/1993EP0523362A2 Broadcast-initiated bipartite frame multi-access protocoll
01/20/1993EP0523276A1 Method and circuit for arranging virtual circuits over a bundle of ATM-connecting lines
01/20/1993CA2074122A1 Method and circuit arrangement for setting up virtual connections via an atm trunk group
01/19/1993WO1993002512A1 Data transfer method and apparatus for communication between a peripheral and a master
01/19/1993US5181238 Authenticated communications access service
01/19/1993US5181202 Ring bus station having dual oscillators
01/19/1993US5181200 Handoff method and apparatus for mobile wireless workstation
01/19/1993US5181199 Packet switching system
01/19/1993US5181017 Adaptive routing in a parallel computing system
01/19/1993US5180232 Modular printer system
01/14/1993DE4121478A1 Verfahren zum bestimmen des ursprungsortes von bitfehlern A method for determining the place of origin of bit errors
01/13/1993EP0522748A2 SDH data transmission timing
01/13/1993EP0522743A1 Combined hash table and CAM address recognition in a network
01/13/1993EP0522626A2 Local area network of data terminating equipment
01/13/1993EP0522611A2 A method of packeting continuous data information and packet data in frames
01/13/1993EP0522607A1 A method and an arrangement for synchronizing two or more communication networks of the time multiplex type
01/13/1993EP0522430A2 System for detecting failure in dual bus user network