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| Number | Title | Issue Date |
| 6965933 | Method and apparatus for token distribution A method and apparatus for token distribution include providing one or more nodes of a plurality of network nodes with a token machine that includes counters associated with each of other network nodes having a token machine. Each time a token possessing network nod... | 11/15/2005 |
| 6782552 | Local ring network and method for transmitting digital data in a local ring network A control command, which has a command header sequence and a sequence of n parameters, is generated in a data source of a local network. The control command has a variable length defined by the data source. The control command is passed to the ring data line of the ... | 08/24/2004 |
| 6754721 | Method for configuring a station connected to a field bus The present invention describes a method for configuring a station connected to a field bus, wherein a logical address is allocated to said station. The method comprises the steps of: transmitting said logical address from an address-allocation unit to said station;... | 06/22/2004 |
| 6310885 | Network system A network system comprises a main loop in which one master node which issues a token packet for data communication, and at least one slave node are connected in a loop; a first sub loop in which the master node, one sub-master node, and at least one slave... | 10/30/2001 |
| 6278690 | Local area network for reconfiguration in the event of line ruptures or node failure A local area network with a plurality of nodes for transmitting cells in the asynchronous transfer mode over a ring system having two opposite direction rings. In the event of a defect in a transmitting line from a node, or a defect in a neighboring node,... | 08/21/2001 |
| 6028837 | Ether ring architecture for local area networks A ring topology based architecture for a local area network. The transmission medium is unshielded twisted-pair wire. A set of two such twisted-pairs are used to connect the nodes of the network together, with the transmit twisted-pair wires from one node... | 02/22/2000 |
| 5982747 | Method for managing failures on dynamic synchronous transfer mode dual ring topologies The dynamic synchronous transfer mode dual ring topology has two rings with opposite fiber directions. The dual rings may have a plurality of common nodes. A first channel may be established in a first segment extending between a first and second nodes. T... | 11/09/1999 |
| 5935218 | Method and apparatus for bus network prioritization using the broadcast of delay time to lower priority users from high priority users in a token or loop network A method for dynamically allocating the capacity of a computer network. All users of the network are classified as low or high priority users. High priority users may broadcast a delay message to the low priority users that cause the low priority users to... | 08/10/1999 |
| 5689644 | Network switch with arbitration sytem A local area network switch includes a set of input ports each receiving and storing incoming packets from a corresponding network station, a set of output ports each forwarding packets to a corresponding network station, and a switching system for routin... | 11/18/1997 |
| 5654969 | Arrangement in a communications network In a communications network, first information items are transmitted synchronously and second information items asynchronously. The second information items are overlaid on the synchronously transmitted first information items. A bandwidth accessible on t... | 08/05/1997 |
| 5646939 | Method and apparatus for address to port mapping in a token ring network A token ring network performs address to port mapping by taking advantage of the abilities of the port switched modules and the neighbor notification process, in order to perform address to port mapping on each individual module. Ring monitors are switche... | 07/08/1997 |
