| Patents for H04L 12 - Data switching networks (448,999) |
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| 05/08/1991 | DE3937096A1 System zum uebertragen von daten zwischen mehreren teilnehmerstationen eines lokalen kommunikationsnetzes System to carry over of data between multiple subscriber stations of a local communication network |
| 05/08/1991 | DE3936894A1 Multiplex-schaltungsanordnung, insbesondere fuer die ansteuerung von verbraucher-stationen in kraftfahrzeugen Multiplex circuit arrangement, in particular for the control of consumer-stations in motor vehicles |
| 05/08/1991 | CN1012606B Communication switching network and switching element |
| 05/07/1991 | WO1991007040A1 Automatic fault recovery in a packet network |
| 05/07/1991 | WO1991007039A1 Automatic fault recovery in a packet network |
| 05/07/1991 | WO1991007032A1 Automatic fault recovery in a packet network |
| 05/07/1991 | US5014300 Method and apparatus for accessing a facsimile store and forward network |
| 05/07/1991 | US5014265 Method and apparatus for congestion control in a data network |
| 05/07/1991 | US5014262 Apparatus and method for detecting and eliminating call looping in a node-by-node routing network |
| 05/07/1991 | US5014260 Method and apparatus for preventing transmission of data packets with a greater intensity than a predetermined value on any one of a number of channels on a common transmission link |
| 05/03/1991 | CA2025193A1 Method of providing reserved bandwidth in a dual bus system |
| 05/02/1991 | EP0425317A2 Network interface system |
| 05/02/1991 | EP0425202A2 Control of overload in communications networks |
| 05/02/1991 | EP0424878A2 System and method applicable to automotive vehicles utilizing time division multiplex mode for communicating data between master and slave stations |
| 05/02/1991 | EP0424658A2 Computer system |
| 05/02/1991 | EP0270604B1 Message delivery system and method |
| 05/01/1991 | CA2028988A1 High rate data transmission method and device using a quasi-asynchronous mode |
| 04/30/1991 | US5012469 Adaptive hybrid multiple access protocols |
| 04/30/1991 | US5012468 Master slave industrial token passing network |
| 04/30/1991 | US5012467 Method and apparatus for collision detection in a local area network transceiver |
| 04/30/1991 | US5012442 Bus receiver power-up synchronization and error detection circuit |
| 04/30/1991 | US5012233 Communication system comprising a remotely activated switch |
| 04/30/1991 | US5012120 Load control system and method for disconnecting sub-bus from main-bus |
| 04/24/1991 | EP0424302A2 Method for controlling the multi-frame transmission on token ring networks |
| 04/24/1991 | EP0424300A2 A method of multi-frame stripping for token ring networks |
| 04/24/1991 | EP0424046A2 Radio communication systems |
| 04/24/1991 | EP0423730A2 Electronic device with data transmission function |
| 04/24/1991 | EP0423485A1 Method and device for bidirectional transmission of data |
| 04/24/1991 | CN1050963A Fault detection and bandwidth monitoring means for packet switching arrangement |
| 04/24/1991 | CN1050960A Device for evaluating and/or regulating throughput of virtual circuits on asynchronous time-division multiplex transmission channel |
| 04/23/1991 | US5010549 Packet data generator |
| 04/23/1991 | US5010546 Packet switching system |
| 04/23/1991 | US5010545 Asynchronous time-division multiservice digital satellite center for connecting subscribers |
| 04/23/1991 | US5010479 Information processing and storage system with signal transmission loop line |
| 04/23/1991 | US5010399 Video transmission and control system utilizing internal telephone lines |
| 04/23/1991 | US5010332 Data transmission apparatus |
| 04/23/1991 | US5010329 Block polling data communication system having optimum block determination means |
| 04/20/1991 | WO1991006162A1 Method and device in a digital communication network |
| 04/18/1991 | WO1991005426A1 Switching node for a communications switching network |
| 04/18/1991 | WO1991005425A1 A digital data transmission system |
| 04/18/1991 | WO1991005418A1 Parallel control for a packet/fast packet switch |
| 04/18/1991 | WO1991005416A1 Collision detection using code rule violations of the manchester code |
| 04/17/1991 | EP0423053A2 Method of using cached partial trees in computing a path in a data communication network |
| 04/17/1991 | EP0422914A2 Station-to-station full duplex communication in a communications network |
| 04/17/1991 | EP0422910A2 High capacity memory based packet switches |
| 04/17/1991 | EP0422795A2 Fault detection and bandwidth monitoring means for a packet switching arrangement |
| 04/17/1991 | EP0422782A2 Communications architecture interface |
| 04/17/1991 | EP0422717A1 Method for monitoring a transmission system which comprises a plurality of virtual, asynchronously time-shared transmission channels via which a data flow can be transmitted |
| 04/17/1991 | EP0422550A1 Device for evaluating the rate of virtual circuits in an asynchronous time multiplex transmission path |
| 04/17/1991 | EP0422549A1 Device controlling the through put of virtual circuits using an asynchronous TDM-transmission path |
| 04/17/1991 | CN1012409B Bus transmitter having controlled trapezoidal slew rate |
| 04/16/1991 | US5008926 Message management system |
| 04/16/1991 | US5008883 Communication system |
| 04/16/1991 | US5008882 Method and apparatus for eliminating unsuccessful tries in a search tree |
| 04/16/1991 | US5008881 Chordal ring network |
| 04/16/1991 | US5008879 LAN with interoperative multiple operational capabilities |
| 04/16/1991 | US5008878 High-speed modular switching apparatus for circuit and packet switched traffic |
| 04/16/1991 | US5008877 Optical signal recovery for distribution communication system |
| 04/16/1991 | US5008663 Communications systems |
| 04/16/1991 | CA1283228C Multiplex transmission system |
| 04/16/1991 | CA1283196C Protocols for very high-speed optical lans |
| 04/16/1991 | CA1283194C Signal switching system |
| 04/14/1991 | CA2026889A1 Fault detection and bandwidth monitoring means for a packet switching arrangement |
| 04/11/1991 | DE3933231A1 Remote data collection system - uses master station with diagnostic terminal to interrogate number or out-stations provided with processors and memories |
| 04/11/1991 | DE3932500A1 Bus network for connecting data transmitter and data receiver - detects data collision and sends signal to control lines via amplifiers |
| 04/10/1991 | EP0421779A2 Communication device |
| 04/10/1991 | EP0138950B1 A distributed prioritized concentrator |
| 04/10/1991 | CN1050658A Switching node for communications switching network |
| 04/09/1991 | US5007054 Network and protocol for real-time control of machine operations |
| 04/09/1991 | US5007052 Method for routing packets by squelched flooding |
| 04/09/1991 | US5007051 Link layer protocol and apparatus for data communication |
| 04/09/1991 | US5007048 Circuit arrangement for avoiding overload in a wideband switching system |
| 04/09/1991 | US5007043 Method for transmitting, via a plurality of asynchronously time-divided transmission channels, a flow of data cells, the state of a counter for each transmission channel being kept up to date in accordance with the number of data cells per unit of time |
| 04/09/1991 | US5007017 Method and apparatus for data communication through composite network |
| 04/09/1991 | CA1282859C Electronic apparatus control system |
| 04/04/1991 | WO1991004622A1 An erase station and a method of erasing slots |
| 04/04/1991 | WO1991004618A1 Random access multiple user communication system |
| 04/04/1991 | DE3931977A1 Schaltungsanordnung mit wenigstens einem eingang und wenigstens einem ausgang zu einer weitergabe eines parallelisierbaren digitalisierbaren eingangssignals A circuit arrangement having at least one inlet and at least one output to a wide-ck a parallelizable be digitized input signal |
| 04/04/1991 | DE3931539A1 Terminal connector to voltage supply bus - has diode between bus and connector in front of output coupling capacitors |
| 04/03/1991 | EP0420779A2 User selectable electronic mail management method |
| 04/03/1991 | EP0420711A1 Self-repairing coupler for information transmission networks |
| 04/03/1991 | EP0420531A2 Channel adapter for broadband communications at channel speeds |
| 04/03/1991 | EP0420493A2 Broadcast packet switch network |
| 04/03/1991 | EP0420492A2 packet switching network for multiple packet types |
| 04/03/1991 | EP0419959A2 Circuit arrangement for testing the adherence to pre-established bit rates in the transmission of information cells |
| 04/03/1991 | EP0419958A2 Circuit arrangement for detecting the data quantity transmitted in an ATM-switching system and for checking compliance with specified bit rates |
| 04/03/1991 | EP0419840A2 Intra-node pacing for high speed networks |
| 04/03/1991 | EP0419713A1 Interface module for a bus interface |
| 04/03/1991 | EP0419712A1 Decoupling device for a bus communication system |
| 04/03/1991 | EP0419711A1 Interface module for coupling modulated signals thereto |
| 04/03/1991 | EP0419708A1 Interface module for a bus interface |
| 04/03/1991 | CN1050480A Message routing check system |
| 04/02/1991 | US5005167 Multicast packet switching method |
| 04/02/1991 | CA1282483C Packet-switched communications network for efficiently switching non-burst signals |
| 04/02/1991 | CA1282482C Data packet switching system |
| 04/02/1991 | CA1282478C Arrangement for testing packet switching networks |
| 03/30/1991 | WO1991005419A1 Packet/fast packet switch for voice and data |
| 03/27/1991 | EP0419019A1 Message routing check system |
| 03/27/1991 | EP0419010A2 Circuit and method for automatic input-output configuration through local area network detection |
| 03/27/1991 | EP0418907A2 Frame strip method and apparatus therefor |