| Patents for H04L 12 - Data switching networks (448,999) |
|---|
| 02/06/1990 | US4899334 Self-routing multistage switching network for fast packet switching system |
| 02/06/1990 | US4899333 Architecture of the control of a high performance packet switching distribution network |
| 02/06/1990 | US4899217 Communication and energy control system for houses |
| 02/06/1990 | US4899143 High capacity communication system over collision-type channels |
| 02/06/1990 | US4899142 Ring network system and configuration control method |
| 02/06/1990 | US4899129 Automated appliance and energy distribution control system |
| 01/31/1990 | EP0352883A2 Network topology control method and apparatus |
| 01/31/1990 | CN1039339A Communication switching element |
| 01/30/1990 | US4897874 Metropolitan area network arrangement for serving virtual data networks |
| 01/30/1990 | US4897841 System and method for bridging local area networks using concurrent broadband channels |
| 01/30/1990 | US4897834 Bit oriented communications network |
| 01/30/1990 | US4896934 Broadband optical multicast switch |
| 01/30/1990 | CA1265257A1 Local area network with carrier sense collision avoidance |
| 01/25/1990 | WO1990000842A1 Adaptive routing system |
| 01/25/1990 | WO1990000841A1 Access protection and priority control in distributed queueing |
| 01/24/1990 | EP0352041A2 Methods of and networks for information communication |
| 01/24/1990 | EP0351818A2 ATM switching system |
| 01/23/1990 | US4896350 Arrangement for providing a call-connection service |
| 01/23/1990 | US4896349 Communication controller in a home bus system |
| 01/23/1990 | US4896319 Identification and authentication of end user systems for packet communications network services |
| 01/23/1990 | US4896316 Method and system of control of flow of data packets |
| 01/23/1990 | US4896315 Apparatus and method for determining network component locations on a local area network system cable segment |
| 01/23/1990 | US4896277 Method of mapping refrigerated containers in a power line carrier based monitoring system |
| 01/23/1990 | US4896151 Simultaneous communication method and system |
| 01/23/1990 | CA1264877A1 Communications network |
| 01/23/1990 | CA1264863A1 Transmit-secure non-blocking circuit-switched local area network |
| 01/23/1990 | CA1264845A1 Digital telephone switching system having a message switch with address translation |
| 01/23/1990 | CA1264844A1 Time division switching system having a priority selector responsive to proceed-to-send requests |
| 01/23/1990 | CA1264831A1 Method for establishing a limited broadcast path within an interconnected network |
| 01/17/1990 | EP0351014A2 Switching network for a switching system |
| 01/17/1990 | EP0350838A2 Communication system |
| 01/17/1990 | EP0350637A2 Switching method for multistage interconnection networks with hot spot traffic |
| 01/16/1990 | US4894824 Control network for a rapid connection circuit switch |
| 01/16/1990 | US4894823 Time stamping for packet system nodes |
| 01/16/1990 | US4894822 Fast packetized data delivery for digital networks |
| 01/16/1990 | US4894819 Data transmission method in optical star network and optical star network system for realizing the same |
| 01/16/1990 | US4894818 Optical packet switching system using multi-stage combination of light triggering switches |
| 01/11/1990 | WO1990000331A1 Statistical measurement equipment and communication system using same |
| 01/10/1990 | EP0349967A1 Method for data transmission between different stations |
| 01/10/1990 | CN1038734A Ring data network |
| 01/10/1990 | CN1006437B Data communication method and apparatus |
| 01/10/1990 | CN1006436B Inter-network connection system |
| 01/10/1990 | CN1006435B Interface unit |
| 01/09/1990 | US4893340 Multijunction unit apparatus for use in a digital network |
| 01/09/1990 | US4893307 Method and apparatus for linking SNA terminals to an SNA host over a packet switched communications network |
| 01/09/1990 | US4893304 Broadband packet switch with combined queuing |
| 01/09/1990 | US4893302 Arrangement for switching concentrated telecommunications packet traffic |
| 01/03/1990 | EP0349099A2 Transparent load sharing for parallel networks |
| 01/02/1990 | US4891804 Data switching arrangement |
| 01/02/1990 | US4891803 Packet switching network |
| 01/02/1990 | US4891802 Method of and circuit arrangement for controlling a switching network in a switching system |
| 01/02/1990 | US4891639 Monitoring system of network |
| 12/27/1989 | EP0348331A2 Method of efficiently updating the topology databases of the nodes in a data communications network |
| 12/27/1989 | EP0348328A2 Method of selecting least weight routes in a communications network |
| 12/27/1989 | EP0348327A2 Method of derermining an optimal end node to end node route through a data communications network |
| 12/27/1989 | EP0348148A2 SCSI converter |
| 12/27/1989 | EP0347903A2 High-speed optical packet switching system using optical buffer between incoming and outgoing channels |
| 12/27/1989 | EP0347754A2 Packet switching system |
| 12/27/1989 | CN1038385A Controlled csma packet switching system |
| 12/27/1989 | CA1264081A1 Distributed voice-data switching on multi-stage interconnection networks |
| 12/26/1989 | US4890281 Switching element for self-routing multistage packet-switching interconnection networks |
| 12/26/1989 | US4890280 Frame relay type data switching apparatus |
| 12/26/1989 | US4890279 Multiplexer and computer network using the same |
| 12/26/1989 | US4890278 Apparatus and method for calibrated monitoring of output voltage levels of local area network communication devices |
| 12/26/1989 | US4890271 Redundant termination of a communication line for maintaining the line properly terminated when one of the terminations is unpowered |
| 12/26/1989 | US4890102 Visual display for communication network monitoring and troubleshooting |
| 12/26/1989 | US4890010 Matched current source serial bus driver |
| 12/20/1989 | EP0347360A2 Method of isolating and diagnosing problems in data communication networks |
| 12/20/1989 | EP0346904A2 Strip frame recognition apparatus |
| 12/20/1989 | EP0346897A2 Integrated accounting system |
| 12/20/1989 | EP0346614A2 Method of initialising a digital signal transmission system |
| 12/20/1989 | EP0346572A2 Circuit arrangement for the transmission of binary signals |
| 12/20/1989 | EP0346556A1 Electronic mail follow-up system |
| 12/19/1989 | US4888767 Repeat request signal transmission method for multi-station packet communication |
| 12/19/1989 | US4888764 Transmission-reception equipment for a bus system |
| 12/19/1989 | US4888763 Method and apparatus for detecting the collision of data packets utilizing a preassigned transceiver code in the preamble |
| 12/19/1989 | US4888728 Multipoint link data-transmission control system |
| 12/19/1989 | US4888586 Data transmission system |
| 12/13/1989 | EP0346164A1 Routing method for a packet switching network |
| 12/13/1989 | EP0346140A2 Real time process control using multiple communication networks |
| 12/13/1989 | EP0345891A1 Switching system for switching packet oriented data as well as circuit oriented data |
| 12/13/1989 | EP0172232B1 Alternating communication channel switchover system |
| 12/12/1989 | US4887265 Packet-switched cellular telephone system |
| 12/12/1989 | US4887262 Single-channel bus system for multi-master use with bit cell synchronization, and master station comprising a bit cell synchronization element suitable for this purpose |
| 12/12/1989 | US4887260 X.25 Wide area network channel status display |
| 12/12/1989 | US4887259 Communication network having multi-conjunction architecture |
| 12/12/1989 | US4887256 Data communication network system and reconfiguration control method |
| 12/07/1989 | DE3818322A1 Circuit arrangement for cell breakdown in asynchronous time division multiplexing |
| 12/07/1989 | DE3817979A1 Data transmission device with differential phase modulation and two operating sequences |
| 12/06/1989 | EP0344722A2 Operation mode settable lan interconnecting apparatus |
| 12/06/1989 | EP0344609A2 Digital signal transmission system for domestic application |
| 12/06/1989 | EP0344489A1 Arrangement for entering characters into an answer-back generator of a telegraphy machine |
| 12/06/1989 | EP0344212A1 Random multiple-access communication system |
| 12/06/1989 | EP0197103B1 Load balancing for packet switching nodes |
| 12/05/1989 | US4885747 Broadband and baseband LAN |
| 12/05/1989 | US4885744 Apparatus for reconstructing and multiplexing frames of various origins made up of a variable number of packets of fixed length |
| 12/05/1989 | US4885743 Method and apparatus for detecting the collision of data packets |
| 12/05/1989 | US4885742 Node apparatus and communication network |
| 12/05/1989 | US4885740 Digital signal switch |
| 12/05/1989 | US4885739 Interprocessor switching network |