| Patents for H04L 12 - Data switching networks (448,999) |
|---|
| 01/08/1991 | CA1278873C Runt packet filter |
| 01/08/1991 | CA1278872C Serial data bus for sci, spi and buffered spi modes of operation |
| 01/08/1991 | CA1278871C Method of data arbitration and collision detection on a data bus |
| 01/08/1991 | CA1278848C N-by-n "knockout" switch for a high-performance packet switching system |
| 01/03/1991 | DE4010574A1 Bus oriented local communications network - has voltage source within each optical star distributor for standard peripherals and optical transmission-reception devices |
| 01/02/1991 | EP0406077A1 Complementary connectionless communication system for asynchronous time network |
| 01/02/1991 | EP0405990A2 Message routing |
| 01/02/1991 | EP0405989A2 Message routing |
| 01/02/1991 | EP0405844A2 Congestion control in computer networks |
| 01/02/1991 | EP0405830A2 Fully shared communications network |
| 01/02/1991 | EP0405756A2 Self-healing data network and network node controller |
| 01/02/1991 | EP0405530A2 Cell exchange apparatus |
| 01/02/1991 | EP0405353A1 Protection device for digital signal transmission systems |
| 01/02/1991 | EP0405215A2 A method for utilizing an encrypted key as a key identifier in a data packet in a computer network |
| 01/02/1991 | EP0405074A2 Hand-held bar code scanner |
| 01/02/1991 | EP0405042A1 High speed digital packet switching system |
| 01/02/1991 | CN1011109B Telecommunication system comprising bus conductor and telecommunication stations connected to this bus conductor through transformers |
| 01/02/1991 | CN1011108B Method for providing telecommunication connections with computer |
| 01/01/1991 | US4982430 Bootstrap channel security arrangement for communication network |
| 01/01/1991 | US4982400 Ring bus hub for a star local area network |
| 01/01/1991 | US4982187 Low-end high-performance switch subsystem architecture |
| 01/01/1991 | US4982185 System for synchronous measurement in a digital computer network |
| 12/29/1990 | CA2019982A1 Congestion control in computer networks |
| 12/28/1990 | CA2018270A1 Method for utilizing an encrypted key as a key identifier in a data packet in a computer network |
| 12/27/1990 | WO1990016033A1 Hand-held data capture system with interchangeable modules |
| 12/27/1990 | WO1990016026A1 Local area network bridge module |
| 12/27/1990 | EP0404707A2 Frame stripping method for removing corrupted messages in a ring communication network |
| 12/27/1990 | EP0404445A2 Packet cross connect switch system including improved throughput |
| 12/27/1990 | EP0404443A2 Packet route scheduling in a packet cross connect switch system for periodic and statistical packets |
| 12/27/1990 | EP0404442A2 Multiple queue bandwidth reservation packet system |
| 12/27/1990 | EP0404423A2 Reconfiguration system and method for high-speed mesh connected local area network |
| 12/27/1990 | EP0404337A2 High-speed mesh connected local area network |
| 12/27/1990 | EP0404078A2 Communication apparatus for reassembling packets received from a network into a message |
| 12/27/1990 | EP0403997A1 Method and device of quantized evaluation of the virtual circuits rate on an asynchronous time division multiplex transmission path |
| 12/27/1990 | EP0403996A1 Method and device for evaluating the rate of virtual circuits on a time division multiplex transmission path |
| 12/27/1990 | EP0403995A1 Method and device for evaluating the rate of virtual circuits on an asynchronous time division multiplex transmission path |
| 12/27/1990 | EP0403973A2 Ring network switching control device |
| 12/27/1990 | EP0403912A1 Arbitration method and apparatus for the sending access to the transmission medium of a distributed switching network |
| 12/27/1990 | EP0403911A1 Method and apparatus for the access control to the transmission medium of a distributed multiservice switching network |
| 12/27/1990 | EP0403763A2 Method and system to interconnect computers or computer networks |
| 12/27/1990 | CA1278363C High speed trunk interface with concurrent protocol handlers |
| 12/25/1990 | US4980913 Security system network |
| 12/25/1990 | US4980885 Power consumption reducing device for cyclic operating equipment such as a time-division switcher |
| 12/25/1990 | US4980647 Arrangement for measuring and cancelling bias distortion in binary signals of the type not comprising any zero-frequency spectral components |
| 12/24/1990 | CA2019698A1 Communications system with contention protocol |
| 12/22/1990 | CA2011593A1 High-speed mesh connected local area network |
| 12/19/1990 | EP0403414A2 Method and system for automatic non-disruptive problem determination and recovery of communication link problems |
| 12/19/1990 | EP0403364A2 Device for duplex data exchange between a central station and local stations |
| 12/19/1990 | EP0403361A1 Method and system of switching cells for asynchronous time division switching |
| 12/19/1990 | EP0402741A2 Method and circuit arrangement for forwarding cells transmitted in an asynchronous transfer mode |
| 12/19/1990 | EP0138951B1 A self routing steering network |
| 12/19/1990 | CN1047947A Programmed telex exchange |
| 12/18/1990 | US4979168 Dynamic sensing point CSMA packet switching controller |
| 12/18/1990 | US4979167 Methods and apparatus for performing restricted token operations on an FDDI network |
| 12/18/1990 | US4979165 Multiple queue bandwidth reservation packet system |
| 12/18/1990 | US4979100 Communication processor for a packet-switched network |
| 12/18/1990 | CA1278121C Data communication system |
| 12/18/1990 | CA1278102C Collision detection technique for an optical passive star local area network using csma/cd |
| 12/18/1990 | CA1278060C Spread spectrum power line communications |
| 12/18/1990 | CA1278042C Optical bus communication system utilizing frame format signals |
| 12/13/1990 | WO1990015493A1 Hybrid data communications system |
| 12/13/1990 | WO1990015491A1 Data communication apparatus |
| 12/13/1990 | WO1990015394A1 Appliance interface for exchanging data |
| 12/13/1990 | DE3919154A1 Digital data transmission for ring bus communication exchange - accelerating complete cell transmission and reception with transition command by central control with switching mode alteration |
| 12/13/1990 | CA2018822A1 Cell switching process and system applied to asynchronous time-division switching |
| 12/12/1990 | EP0401238A1 Communication switching system. |
| 12/12/1990 | EP0272271B1 Process and related device for remote-controlled switching-on of terminal equipments used in data transmission and tele-processing |
| 12/12/1990 | CN1047774A Apparatus for processing signalling messages in asynchronous time division telecommunications network |
| 12/11/1990 | US4977593 Optical communications network |
| 12/11/1990 | US4977557 Method of providing effective priority access in a dual bus system |
| 12/11/1990 | CA1277789C Method of controlling the electric power supplied to a modem |
| 12/11/1990 | CA1277751C Packet buffer memory control for statistical multiplexing |
| 12/11/1990 | CA1277750C Time stamping for packet system nodes |
| 12/08/1990 | WO1990015492A2 Star-wired ring lan |
| 12/08/1990 | CA2058951A1 Star-wired ring lan |
| 12/08/1990 | CA2020357A1 Hand-held data capture system with interchangeable modules |
| 12/06/1990 | DE3919144C1 Digital transmission procedure for telecommunications system - switching station in series on ring-structure bus allowing async. exchange of data packets of various length |
| 12/06/1990 | DE3916850A1 Ring bus data transmission with frame-dependent synchronisation - ensures transmission of whole number of unitary cells by forced sync. in uniformly spaced pulse frames |
| 12/05/1990 | EP0401203A2 Automated system for providing liquidity to securities markets |
| 12/05/1990 | CN1047601A Terminal polling method |
| 12/04/1990 | US4975910 Method of operating a packet switching network |
| 12/04/1990 | US4975909 Broadcast network |
| 12/04/1990 | US4975907 Method and device for the asynchronous transmission of data by packets |
| 12/04/1990 | US4975906 Network system |
| 12/04/1990 | US4975905 Message transmission control arrangement for node in local area network |
| 12/04/1990 | US4975904 Local area network for digital data processing system including timer-regulated message transfer arrangement |
| 12/04/1990 | US4975903 Digital timeslot and signaling bus in a digital PBX switch |
| 12/04/1990 | US4975695 High speed communication processing system |
| 12/04/1990 | CA1277382C Inter-processor communication protocol |
| 11/30/1990 | CA2016715A1 Automated system for providing liquidity to securities markets |
| 11/29/1990 | WO1990014726A1 Apparatus for forwarding a message |
| 11/29/1990 | WO1990014725A1 A passive network monitor |
| 11/29/1990 | WO1990014724A1 Bit stream machine |
| 11/29/1990 | WO1990014723A1 Bit stream machine |
| 11/28/1990 | EP0399612A2 Data transmission over a time division duplex channel |
| 11/28/1990 | EP0399571A2 Optical communication system |
| 11/28/1990 | EP0399491A2 Multiplex transmission system for use in a vehicle |
| 11/28/1990 | EP0398987A1 Communications network state and topology monitor. |
| 11/27/1990 | US4974224 Distributed split flow routing mechanism for multi-node packet switching communication network |
| 11/27/1990 | US4973955 Data transmission system |