| Patents for H04L 12 - Data switching networks (448,999) | 
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| 04/21/1993 | EP0537821A2 Management system for hierarchical network  | 
| 04/21/1993 | EP0537814A1 Multi-station bus system having means for polling and updating of globally relevant information, in particular a station address, and station for use in such system  | 
| 04/21/1993 | EP0537743A1 Switching method for a common memory based switching field and the switching field  | 
| 04/21/1993 | EP0537704A2 Multiplex transmission system  | 
| 04/21/1993 | EP0537689A2 Data communication method for motorcar  | 
| 04/21/1993 | EP0537444A1 Apparatus for connecting a transmission network to a plurality of terminals  | 
| 04/21/1993 | EP0537408A1 Routing in a network of bridge-connected LAN Segments  | 
| 04/21/1993 | EP0537382A1 Packet transfer control arrangement and related method  | 
| 04/21/1993 | EP0537297A1 A method and a device for destination and source addressing in a packet network.  | 
| 04/21/1993 | EP0334954B1 Layered network  | 
| 04/20/1993 | US5204955 Network management method and system  | 
| 04/20/1993 | US5204882 Method of operating a communications system  | 
| 04/20/1993 | US5204865 Data extracting circuit for serial control apparatus  | 
| 04/20/1993 | US5204857 ATM exchange system  | 
| 04/20/1993 | CA2005508C Multiplexed synchronous/asynchronous data bus  | 
| 04/18/1993 | CA2079502A1 Spectrally efficient broadband transmission system  | 
| 04/17/1993 | WO1993008658A1 Packet switch  | 
| 04/16/1993 | CA2080568A1 Multiplex transmission method and a synchronizing method in multiplex transmission  | 
| 04/15/1993 | WO1993007700A1 Data flow control  | 
| 04/15/1993 | WO1993007699A2 Broadband input buffered atm switch  | 
| 04/15/1993 | WO1993007694A1 Method for integrated services satellite network resource allocation by advance reservation  | 
| 04/15/1993 | WO1993007692A1 Packet processing method and apparatus  | 
| 04/15/1993 | WO1993007691A1 A radio frequency local area network  | 
| 04/15/1993 | WO1993007684A1 Cordless local area network (radio lan) with central unit  | 
| 04/15/1993 | WO1993007569A1 Method and apparatus for concurrent packet bus  | 
| 04/15/1993 | WO1993007566A1 Temporary message routing and destination selection  | 
| 04/15/1993 | WO1993003564A3 Method and unit for the control of the cell flow in a telecommunication system according to the atm technique  | 
| 04/15/1993 | CA2120520A1 A radio frequency local area network  | 
| 04/15/1993 | CA2096752A1 Data flow control  | 
| 04/14/1993 | EP0537040A1 Apparatus and method to test ring-shaped, high-throughput network  | 
| 04/14/1993 | EP0537036A1 Method for data packet routing in a digital transmission network  | 
| 04/14/1993 | EP0536348A1 Security device for ring network.  | 
| 04/13/1993 | US5202989 Control method and apparatus for computer network system  | 
| 04/13/1993 | US5202985 Apparatus and method for displaying data communication network configuration after searching the network  | 
| 04/13/1993 | US5202963 In a data processing system  | 
| 04/13/1993 | US5202885 Atm exchange with copying capability  | 
| 04/13/1993 | US5202817 Hand-held data capture system with interchangeable modules  | 
| 04/13/1993 | CA1316276C Multiplex transmission system  | 
| 04/13/1993 | CA1316243C Packet data switch for transferring data packets from one or a plurality of incoming data links to one or a plurality of outgoing data links  | 
| 04/13/1993 | CA1316242C Control system for communication between units  | 
| 04/13/1993 | CA1316218C Mobile radio data communication system and method  | 
| 04/13/1993 | CA1316216C Method for inserting an asynchronous 139,264 kbit/s signal into a 155,520 kbit/s signal  | 
| 04/07/1993 | EP0536069A1 Synchronisation method for terminals connected to a digital telecommunication network with an asynchronous transmission mode (ATM)  | 
| 04/07/1993 | EP0535982A2 Transmission circuit for transmitting fixed-length data  | 
| 04/07/1993 | EP0535860A2 Congestion control for high speed packet networks  | 
| 04/07/1993 | EP0535762A1 Method for resource allocation by anticipated reservation in a satellite network with service integration  | 
| 04/07/1993 | EP0535749A2 Local communication bus system and apparatuses for use in such a system  | 
| 04/07/1993 | EP0535428A1 Integration of synchronous and asynchronous traffic on rings  | 
| 04/07/1993 | EP0535396A1 Method for the reduction of bit errors in a digital communication system  | 
| 04/07/1993 | EP0535186A1 Repeaters for digital data networks.  | 
| 04/07/1993 | EP0535050A1 Switching element and method for controlling the same.  | 
| 04/06/1993 | US5200952 Adaptive VCP control in integrated services networks  | 
| 04/06/1993 | US5200950 Method and circuit arrangement for reducing the loss of message packets that are transmitted via a packet switching equipment  | 
| 04/06/1993 | US5200949 Link changeover control system for local area network of broadcasting arrangement  | 
| 04/06/1993 | US5200742 Electronic device with exclusive control type communication function and its communication system  | 
| 04/06/1993 | CA1315891C2 Multitask subscription data retrieval system  | 
| 04/05/1993 | WO1993007695A1 Synchronizing device for terminal equipment in an asynchronous transfer mode digital telecommunications network  | 
| 04/01/1993 | WO1993006676A1 Nonblocking point-to-point fast packet/circuit switching networks  | 
| 04/01/1993 | WO1993006675A1 Nonblocking multicast fast packet/circuit switching networks  | 
| 04/01/1993 | WO1993006674A1 Local area network transmission emulator  | 
| 04/01/1993 | WO1993006673A1 A system for the sending and receiving of information  | 
| 04/01/1993 | WO1993006670A1 Methods and apparatus for preventing unnecessary retransmission of messages in a networked messaging system  | 
| 04/01/1993 | WO1993006669A1 Digital telephone, cable tv system and local exchange bypass network  | 
| 04/01/1993 | WO1993006546A1 Atms/pos based electronic mail system  | 
| 04/01/1993 | DE4132524A1 Packet oriented transmission for digitally coded speech information - using counter to control read out of buffer memory for temporary storage of transmitted information packets.  | 
| 04/01/1993 | DE4132518A1 Asynchronous transfer mode wideband communications system for digital signals - has counters associated with packeting-depacketing device and buffer memory for maintaining original time sequence.  | 
| 04/01/1993 | DE4131133A1 Exchanging data in processing system, esp. for process control - transferring messages in communications with header fields contg. message identifiers.  | 
| 04/01/1993 | CA2118911A1 Digital telephone, cable tv system and local exchange bypass network  | 
| 03/31/1993 | EP0534882A2 Multi-channel communications system  | 
| 03/31/1993 | EP0534785A2 Broadcast system for distributed controlled switching network  | 
| 03/31/1993 | EP0534232A1 An apparatus and method for connecting inter-SRM highways  | 
| 03/31/1993 | EP0533900A1 Low delay or low loss cell switch for atm.  | 
| 03/31/1993 | EP0387244B1 Arrangement for testing packet switching networks  | 
| 03/31/1993 | EP0335877B1 Method for transmitting data in packet switching networks  | 
| 03/31/1993 | CN1070525A Communication equipment control system and method  | 
| 03/30/1993 | US5199072 Method and apparatus for restricting access within a wireless local area network  | 
| 03/30/1993 | US5199049 Circuit and method of digital carrier detection for burst mode communication systems  | 
| 03/30/1993 | US5199028 Asynchronous time division network  | 
| 03/30/1993 | US5199027 Communication switching system  | 
| 03/30/1993 | US5199026 Token ring wiring concentrator  | 
| 03/30/1993 | US5199025 Loop back method for loop type lan transmission line  | 
| 03/30/1993 | US5198806 Remote control and secure access for personal computers  | 
| 03/30/1993 | US5198805 Method and apparatus for monitoring a network and locating a node using signal strength calculations  | 
| 03/30/1993 | CA1315376C Arrangement for switching concentrated telecommunications packet traffic  | 
| 03/30/1993 | CA1315375C Apparatus and network for transferring packets of electronic signals and associated method  | 
| 03/30/1993 | CA1315374C Self-routing switch and its routing method  | 
| 03/30/1993 | CA1315373C Distributed control rapid connection circuit switch  | 
| 03/30/1993 | CA1315369C Terminal apparatus for resetting by remote control  | 
| 03/25/1993 | DE4231163A1 Fehlertolerantes mehrstations-uebertragungssystem A fault-tolerant more stations-transmission system  | 
| 03/24/1993 | WO1992012586A1 Loop wiring concentrator  | 
| 03/24/1993 | EP0533391A2 Packet switching apparatus using pipeline controller  | 
| 03/24/1993 | EP0533229A2 Method of identifying a signal path and signal processing apparatus  | 
| 03/24/1993 | CA2091356A1 Loop wiring concentrator  | 
| 03/23/1993 | US5197097 Cell signal processing circuit and optical switch apparatus using the same  | 
| 03/23/1993 | US5197067 Packet communication system using a telephone switching network and a data flow control method  | 
| 03/23/1993 | US5197066 Collision detection circuit for communications network  | 
| 03/23/1993 | US5197064 Distributed modular packet switch employing recursive partitioning  | 
| 03/23/1993 | US5197002 Billing system for a data packet transmission system  | 
| 03/23/1993 | CA1315031C Method and apparatus for accessing a facsimile store and forward network  | 
| 03/23/1993 | CA1314955C Identification and authentication of end user systems for packet communications network services  |