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| Number | Title | Issue Date |
| 5583867 | Backplane wiring for hub in packet data communications system A backplane wiring scheme is provided for use in a hub of a packet data communications system. Line cards are connected to the backplane wiring arrangement in the hub, where each line card is a coupling to a network segment, a station or a to a bridge to ... | 12/10/1996 |
| 5577042 | Broadcast and presentation system and method A broadcast and presentation system for synthesis of diverse data transmission signals and multimedia application subsystems. The system includes a signal processing line for transmitting information signals in multiple formats, a plurality of application... | 11/19/1996 |
| 5574722 | Protocol independent switch A data communications network providing for automatic reconfiguration of a hub concentrator or the like dependent on the protocol used by a device attached to the concentrator. The concentrator includes a circuit for receiving a message packet from a devi... | 11/12/1996 |
| 5572525 | GPIB extender with find listener protocol capabilities A GPIB bus extender which intelligently supports the IEEE 488.2 find listeners protocol. The GPIB bus extender of the present invention monitors the bus and determines when a talker is present on the bus. When the GPIB extender detects a talker present on... | 11/05/1996 |
| 5568525 | System and method for connection of multiple protocol terminals A network port configurator device for automatically configuring a system having network workstations and corresponding network equipment of various physical protocols. The network port configurator comprises a plurality of input and output ports for rece... | 10/22/1996 |
| 5568619 | Method and apparatus for configuring a bus-to-bus bridge An information processing system includes a processor for processing information; a processor bus, a first expansion bus; a host bridge for coupling the processor bus to the first expansion bus; a second expansion bus; a first bus bridge for coupling the ... | 10/22/1996 |
| 5563886 | Address assignment and control of a single connection terminal device on a bus A bus connects a plurality of electronic devices. The address of a prescribed electronic device having a single connection-terminal is assigned based on parent/child considerations. The prescribed device having a single connection terminal is controlled b... | 10/08/1996 |
| 5465042 | Inactive state termination tester An inactive state termination tester for determining the number of terminators connected to a bus when the bus is inactive. The termination tester monitors the bus for determining when it is inactive. During the periods of bus inactivity, the termination ... | 11/07/1995 |
| 5317693 | Computer peripheral device network with peripheral address resetting capabilities A desktop communications network connects numerous peripheral devices to a host computer via a single host interface. The host interface and each peripheral device's interface has its own CPU, with software for assigning each peripheral device a unique ad... | 05/31/1994 |
| 5305317 | Local area network adaptive circuit for multiple network types The present embodiment includes a local area network adaptive circuit for coupling a host device to a network front end circuit which communicates information to/from a network. The adaptive circuit comprises an internal bus, a first bus operable to commu... | 04/19/1994 |
| 5278829 | Reduced broadcast algorithm for address resolution protocol A protocol is provided in which a sending host stores a physical address of a target host as part of the resolution of the physical address from a network address; the sending host keeps track of the elapsed time after physical address storage; upon a sub... | 01/11/1994 |
| 5226040 | Data concentration interface for configuration of multiple TTY devices A communication system including one or more host adapters connected to a host computer, each adapter having multiple serial communication ports for transferring data between the computer and several TTY devices. Several of the adapter's serial ports incl... | 07/06/1993 |
| 5198805 | Method and apparatus for monitoring a network and locating a node using signal strength calculations Disclosed is a system that monitors the signal strength of each transmission by a node on a LAN cable of a local area network and determines the location of the node sending the signal. This system has a monitor at each end of the LAN cable, with one of t... | 03/30/1993 |
| 5179554 | Automatic association of local area network station addresses with a repeater port Automatic tracking of the topology of an extended local area network by augmenting a station address list kept by a bridge with a list of repeater numbers and repeater port numbers. The bridge periodically iterates through its list of stations to select a... | 01/12/1993 |
| 5175536 | Apparatus and method for adapting cards designed for a VME bus for use in a VXI bus system A method and device for adapting a VME card for use in a VXI system are disclosed. The device resides on a circuit board that is plugged between the VXI bus and the VME card. The device provides two or more sets of VXI configuration registers. Each region... | 12/29/1992 |
| 5093824 | Distributed protocol for improving the survivability of telecommunications trunk networks A method for reconfiguring a telecommunications network comprising a plurality of reconfigurable cross-connect nodes interconnected by links when a failure event occurs is disclosed. The method comprises storing at each node a precomputed configuration ta... | 03/03/1992 |
| 4918688 | Method and apparatus for coupling computer work stations A method and apparatus for automatically and dynamically providing wiring connections at a central location coupled via ordinary phone lines to a plurality of work stations including a master work station. A central hub couples to a plurality of two wire ... | 04/17/1990 |
| 4794592 | Serial network architecture for user oriented devices A serial network architecture is presented which can be used to link user oriented devices together. Network devices are linked together in serial fashion. If data is transmitted serially, an interface between two devices requires only two wires. Addition... | 12/27/1988 |
| 4718005 | Distributed control of alias name usage in networks Computer systems linked to nodes in a communication network communicate directly with each other to establish name associations for entities (e.g. programs, storage files, etc.) susceptible of being shared across the network, and thereafter communicate fu... | 01/05/1988 |
| 4682326 | Method and apparatus for maintaining a dynamic logical ring in a token passing lan Method and apparatus are provided for maintaining a dynamic logical ring in a token passing local area network wherein a plurality of bus interface units (BIUs) exchange information in accordance with a token passing protocol. A network control center is ... | 07/21/1987 |
| 4637013 | Token exchange data transmission system having system configuration discrimination A data transmission system for a LAN has a number of nodes connected in a ring or bus network. Each node has a transmit-receive circuit, a RAM, a CPU, a self node address switch, and an interface control. The frequency of adjacent node retrieval processin... | 01/13/1987 |
| 4594705 | Bus-configured local area network with data exchange capability A local area network in which a plurality of local equipments, each having one or more terminals connected thereto, are connected to different points of a common signal transmission path leading from a central equipment. The central equipment sends out da... | 06/10/1986 |
| 4430651 | Expandable and contractible local area network system This disclosure relates to a system and method for the synchronization of variable-length messages being transmitted between stations of a local area contention network where the messages are made up of a variable number of fixed-length packets. This syst... | 02/07/1984 |
| 4423414 | System and method for name-lookup in a local area network data communication system This disclosure relates to a system and method for the synchronization of variable-length messages being transmitted between stations of a local area contention network where the messages are made up of a variable number of fixed-length packets. This syst... | 12/27/1983 |
