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| Number | Title | Issue Date |
| 7630390 | Asynchronous hub A method for arbitrating access to a time slot in a time division multiple access network in an asynchronous hub with a bus guardian is provided. The method including receiving signals from competing nodes claiming access to the same time slot at the bus guardian of... | 12/08/2009 |
| 7555001 | On-chip packet-switched communication system A system for routing a data packet between N elements includes N network interfaces respectively connected to the N elements, with N being an even integer, and an on-chip packet-switched communication network arranged in a ring structure. The packet-switched communi... | 06/30/2009 |
| 7460552 | Method for managing a group in a star network and apparatus using the method A method for managing a group of communication terminals making up a star network, and an apparatus using the method are provided. The star network may be made up of at least one general communication terminal and a central communication terminal controlling the who... | 12/02/2008 |
| 7382722 | Architecture for a hybrid STM/ATM add-drop multiplexer A network element including an active/standby pair of line units, an active/standby pair of switch fabric units, at least one service unit, and a management and control unit. Each line unit maintains data communications using a first communications protocol. Each sw... | 06/03/2008 |
| 7369769 | Ethernet passive optical network ring and its method of authorization and collision detection An Ethernet passive optical network (EPON) ring for providing protection against fiber failures. The optical network unit (ONU) is coupled to the ring fiber by a three-port passive optical splitting module that has three two-way optical passages. By the three two-wa... | 05/06/2008 |
| 7342878 | Input port routing circuit that performs output port filtering The filtering operations normally performed at the output port side of an Infiniband (or similar protocol) routing switch are performed in parallel at the input side to prevent data packets from being placed on a queue from which they would ordinarily ultimately be ... | 03/11/2008 |
| 7334068 | Physical layer device having a SERDES pass through mode A physical layer device (PLD), comprising: a first serializer-deserializer (SERDES) device having a first parallel port; a second SERDES device having a second parallel port; a third SERDES device having a third parallel port; and a path selector being selectively c... | 02/19/2008 |
| 7289525 | Inverse multiplexing of managed traffic flows over a multi-star network A method for inverse multiplexing of managed traffic flows over a multi-star switch network includes a source node classifier. The source node classifier, using a traffic-engineering algorithm, classifies incoming traffic based on flow parameters, embeds the flow pa... | 10/30/2007 |
| 7286556 | Local area network with electrochemical power source A power integrated local area network, such as an Ethernet network, is disclosed. The network comprises: a plurality of member network devices; and a central network device configured to communicate with the plurality of member network devices, and to deliver power,... | 10/23/2007 |
| 7283749 | Fiber and wire communication system This invention provides a new architecture for a communication system between head-ends and end-users which expands bandwidth and reliability of the communication system. A mux-node receives communication signals from a head-end and forwards the received communicati... | 10/16/2007 |
| 7269178 | Resolution of media access contentions in networks comprising a plurality of network nodes and at least one star mode The invention relates to a network comprising a plurality of network nodes. At least part of the network nodes are directly coupled to each other via at least one star node. The star node comprises a plurality of star interfaces which are assigned to at least one ne... | 09/11/2007 |
| 7269177 | Logical star topologies for non-star networks A logical star architecture imposed on an underlying non-star network, for example a Virtual Path Ring (VPR), enhances a mesh protocol with an automatic method for Virtual Path ID (VPI) generation. The VPIs are used by the mesh protocol's inherent routing function t... | 09/11/2007 |
| 7227862 | Network switch having port blocking capability A switch is configured to block packets from being transmitted through designated ports. The switch has port bitmap generator configured to obtain a port bitmap and a table is configured to store a block mask indicating which port the packet should not be transmitte... | 06/05/2007 |
| 7103053 | Gigabit switch on chip architecture A data switch for network communications includes a first data port interface which supports at least one data port which transmits and receives data. A second data port interface is also provided supporting at least one data port transmitting and receiving data. A ... | 09/05/2006 |
| 7095751 | Active switching star node and network of stations interconnected by such a star node In a network a star node (SN1) interconnects a plurality of stations (ST1–ST3). The star node (SN1) has interfaces (I1–I3), each having a connection terminal (BP) for connecting a selected one of the stations to the star... | 08/22/2006 |
| 7079547 | Distributed method and apparatus for allocating a communication medium The invention provides a method and apparatus for end-users to allocate a communication medium locally without requiring a central arbitration device while guaranteeing access to the end-users. The end-users bid for control of an upstream data channel by concurrentl... | 07/18/2006 |
| 7072352 | Inverse multiplexing of unmanaged traffic flows over a multi-star network A method for inverse multiplexing of unmanaged traffic flows over a multi-star switch network, where the ingress process for each switch handles managed traffic for its switch first, then pulls a single unmanaged traffic packet off of the unmanaged traffic queue, an... | 07/04/2006 |
| 7051330 | Generic application server and method of operation therefor A generic application server is capable of simultaneously receiving requests, processing requested work, and returning results using multiple, conceptual thread pools. In addition, functions are programmable as state machines. While executing such a function, when a... | 05/23/2006 |
| 7046632 | Method and switch controller for relieving flow congestion in network A switch controller using a congestion control method can relieve congestion in a network. The Ethernet switch controller has the capacity to select a suitable congestion control mode according to each connection port and state of the connected device. If a flow con... | 05/16/2006 |
| 7043533 | Method and apparatus for arbitrating master-slave transactions The present invention provides a method and apparatus for arbitrating master-slave transactions. The apparatus includes a slave device adapted to receive a first request from a first master device. The apparatus further includes a record of one or more previous requ... | 05/09/2006 |
| 7035224 | Activity detection in a star node with a plurality of coupled network nodes The invention relates to a network comprising a plurality of network nodes and one star node, which star node is provided for the direct coupling of at least two network nodes. The star node comprises a plurality of star interfaces which are assigned to at least one... | 04/25/2006 |
| 7032135 | Equipment protection using a partial star architecture Communication apparatus includes a plurality of interface cards, including a central interface card and spoke interface cards, which are adapted to link communication lines to a network. A protection bus includes multiple spoke connections that link the central inte... | 04/18/2006 |
| 7027459 | Transmission line terminating apparatus that performs packet processing Printed circuit boards 11 to 11n are connected in a star-like configuration with a single packet processing IC 42, connected to a CPU 41, at its center, each printed circuit board being connected to the packet processing IC by a hi... | 04/11/2006 |
| 7016562 | Optical switch An optical switch comprises a hub and a plurality of nodes with the hub being connected to each node by an optical communication link dedicated for clock signals and by an optical communication link dedicated or data signals. In use the hub transmits a clock signal ... | 03/21/2006 |
| 7012917 | Service unit for a hub having multiple star interconnect configurations Architecture for a SONET network element. The architecture includes an interconnection system for a network element, including a line unit slot, a switch fabric slot, and service unit slots. The line unit slot is connected as a hub to the switch fabric slot and the ... | 03/14/2006 |
| 6970433 | Multichannel ring and star networks with limited channel conversion A star communication network including a hub node (102) and links (102E) couple to the hub node for carrying data along routes in W channels. The hub node has switches connecting each channel of a first one of the links to various channels of a second ... | 11/29/2005 |
| 6961343 | Cross-connection switch An input data (input frame) is sequentially stored in memory in time slot units. A counter counts the number of input pulses of a clock synchronous with the time slot of the input frame, outputs the count value as a write address to the memory, and outputs it as a r... | 11/01/2005 |
| 6957415 | Method for self-organizing software A method for dynamically self-assembling and executing software is provided, containing machines that self-assemble execution sequences and data structures. In addition to ordered functions calls (found commonly in other software methods), mutual selective bonding b... | 10/18/2005 |
| 6876642 | In-vehicle wireless local area network A wireless local area network communication system for a vehicle to provide a voice and/or data connection from a wireless wide area network to a wireless local area network and on to a vehicle wired bus is disclosed. The communication system includes a wireless ele... | 04/05/2005 |
| 6654563 | Fiber/wired communication system A communication system between head-ends and end-users is provided which expands bandwidth and reliability. A concentrator receives communication signals from a head-end and forwards the received communication signals to one or more fiber nodes and/or one... | 11/25/2003 |
| 6621825 | Method and apparatus for per connection queuing of multicast transmissions A method and apparatus for per connection queuing of multicast transmissions. The method begins by receiving a cell associated with a multicast transmission. A multicast transmission typically includes a single ingress connection and a plurality of egress... | 09/16/2003 |
| 6594283 | Network communication device A network communications device is arranged to have a fast throughput of data packets. This is achieved by recognising that, in protocols such as Ethernet, the first symbols in a data packet do not carry any data and therefore do not necessarily require t... | 07/15/2003 |
| 6556581 | Ethernet to phase shift key converter A device for seamlessly providing 10BASE-T compatible data communications over an ordinary single twisted-pair home phone line between multiple computers and/or peripherals is disclosed. Each component that is to communicate over a home phone line needs a... | 04/29/2003 |
| 6483843 | Detecting and counting open ordered sets originating from an attached node port A hub port in a loop network is disclosed. The hub port includes a hub data source, first and second detect circuits, and a processor. The hub data source supplies data to the hub port from the loop network. The first detect circuit is configured to detec... | 11/19/2002 |
| 6424649 | Synchronous pipelined switch using serial transmission The invention provides a method and system for operating a switch, in which incoming data cells are converted from parallel to serial for synchronous input to a switch interconnect, converted from serial to parallel for parallel switching, converted from ... | 07/23/2002 |
| 6420799 | Power supply device for vehicles An electrical power supply system for a vehicle is provided, which can eliminate proliferation of adverse effect on other control modules caused within one of a plurality of control modules. This is accomplished by provision of the power supply system com... | 07/16/2002 |
| 6385206 | Communication network and method, and node and exchange node used therein In a communication network of the present invention, there are arranged a plurality of groups of nodes, a plurality of exchange nodes, a plurality of first transmission lines connecting the node groups with respective ones of the exchange nodes, and at le... | 05/07/2002 |
| 6359859 | Architecture for a hybrid STM/ATM add-drop multiplexer An architecture for a SONET network element, such as a hybrid STM/ATM add-drop multiplexer. The disclosed system includes an interconnection system for a network element, including a line unit slot, a switch fabric slot, and two or more service unit slots... | 03/19/2002 |
| 6347089 | Simplified ethernet frame switching system architecture without local buffer requirement The present invention includes an Ethernet frame switching system for receiving and transmitting data frames from and to a plurality of ports. The frame switching system includes a plurality of port control units for managing the transmission and receptio... | 02/12/2002 |
| 6252880 | Apparatus and method for selectively supplying a data packet to a selected network node in a buffered distributor A buffered distributor having a plurality of network ports serving respective network nodes includes a distribution core having a filter for selectively supplying a data packet to a selected network port based on the destination address of the received da... | 06/26/2001 |
