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| Number | Title | Issue Date |
| 7974188 | Repeater and communication method A repeater for sending and receiving a routing message for changing routing information determines whether a routing message received from a first adjacent repeater which is disposed adjacent to the repeater is to be sent or not. If it is judged that the routing mes... | 07/05/2011 |
| 7974187 | Data transmission In a data transmission system having a plurality of transmitters connected in a ring configuration, a band monitoring unit in each of the plurality of transmitters monitors the bandwidths of a first and a second transmission path between one of the transmitters that... | 07/05/2011 |
| 7652986 | Route determination with differential delay compensation for virtually-concatenated data traffic Virtually-concatenated data traffic is routed in a network comprising a plurality of nodes, the plurality of nodes including one or more nodes that are differential delay enabled and one or more nodes that are not differential delay enabled. For a given traffic dema... | 01/26/2010 |
| 7529183 | Method of setting up a backup path in a transport network Paths in a transport network are identified by labels (n1-n4, b1-b4) and more than one restoration resources that can be used for setting up a particular backup path form a restoration group. Backup tables (R1, R7) are provi... | 05/05/2009 |
| 7460471 | System for motion control, method of using the system for motion control, and computer readable instructions for use with the system for motion control A motion control system and method that includes a central controller configured to generate first and second demand control signals to be used to define actuation motion of respective first and second actuators. The central controller is in communication with first... | 12/02/2008 |
| 7440397 | Protection that automatic and speedily restore of Ethernet ring network A data relay apparatus stores identification information for identifying itself. A blocking unit blocks a port to avoid an occurrence of a loop path if the data relay apparatus is a master node, and blocks a port connected to a link of the data relay apparatus if a ... | 10/21/2008 |
| 7433939 | Fast reconfiguration of network elements A method for re-configuring a network element of a transmission network to restore traffic after occurrence of a failure is proposed. Each configuration request is divided into two phases: At first a “fetch-ahead” phase and then a “consolidation”. During fet... | 10/07/2008 |
| 7430397 | Radio repeater and radio relay transmission method A radio repeater including at least first and second relay systems, each including a reception antenna configured to receive a radio signal, a loop interference suppressor, connected to the reception antenna, configured to suppress a loop interference signal in the ... | 09/30/2008 |
| 7397761 | Routing restorable service-level-guaranteed connections using maximum 2-route flows A packet network employs restorable routing with service level guarantees. Restorable routing generates two disjoint paths through a network of nodes interconnected by links for a connection request demand between and ingress-egress node pair. Restorable routing emp... | 07/08/2008 |
| 7380154 | Method and apparatus for network fault correction via adaptive fault router A fault router method and system for use in a parallel redundant network environment provide additional safeguards over traditional redundant networks. Where multiple connection faults on multiple machines would ordinarily stifle communications between two or more n... | 05/27/2008 |
| 7376079 | Backup cell controller A wireless local area network for data communications between a computer and mobile units is provided with at least two cell controllers connected to the computer and one or more rf ports each connected to a primary interface of one cell controller and to a backup i... | 05/20/2008 |
| 7333425 | Failure localization in a transmission network Failures are localized through the use of a Tandem Connection along a segment of a transmission path (P) to be monitored, non-intrusive intermediate Tandem Connection monitors (M), and temporary Tandem Connection sources created along the path segment in the case of... | 02/19/2008 |
| 7302177 | Optical transmission system including a plurality of optical transmission devices Two multiplexing/demultiplexing sections of working and protection sides are prepared for each of a plurality of optical transmission devices which constitute a system, and the optical transmission devices are synchronized with each other to execute switching betwee... | 11/27/2007 |
| 7299005 | Radio frequency repeater with automated block/channel selection A wireless repeater for receiving, amplifying and transmitting one or more wireless signals. The repeater comprises a signal processing device for determining one or more attributes of a wireless signal received from a mobile device and a memory for storing a refere... | 11/20/2007 |
| 7292540 | Network monitoring and controlling apparatus A network monitoring and controlling apparatus for monitoring and controlling a transmission network formed by a plurality of transmission apparatus includes: a path information storing unit for storing path information; a quality information periodic collection uni... | 11/06/2007 |
| 7287081 | Controlled calls in a transmission network Commands are shown and described that enable a user to manipulate a call connection for the purpose of maintaining links in a network. The Block command prevents new traffic from being added to an output port of a device in a connection. The Forced Restoration/Relea... | 10/23/2007 |
| 7274117 | Radio wall switch A radio wall switch that uses radio signals to control a load through a load circuit is disclosed. The radio wall switch is also configured group or bind electronic devices to operate collectively by responding to the same radio control signals. Preferably, the radi... | 09/25/2007 |
| 7257220 | Method and system for providing extended reach of a digital subscriber line signal A method for providing extended reach of a digital subscriber line signal includes receiving an incoming DSL signal, splitting the DSL signal into separate voice and data signals, demodulating the data signal, requantizing the demodulated data signal, modulating the... | 08/14/2007 |
| 7251257 | Method and system for transmitting quality criteria of a synchronous network hierarchy A method and system are provided for transmitting quality criteria of tributary signals of a synchronous network hierarchy such as SDH or SONET, which, at the transmitting end are combined to form a higher-order multiplex signal and are transmitted in a higher-order... | 07/31/2007 |
| 7245593 | Bus station with routing for survivable networks A bus station or a communication system is described, where the bus stations receive communications containing transmission information from which the position of the transmitting bus station in a sequence of bus stations can. A time slot for the bus station in whic... | 07/17/2007 |
| 7230915 | Upper and lower relays and network system In a network system comprising an upper relay and a plurality of lower relays connected to the upper relay with working links, the lower relays are connected with redundant links, and communication is performed through the redundant links when the working links are ... | 06/12/2007 |
| 7224366 | Method and system for control system software The present invention discloses a method for building and displaying control and non-interactive, non-control information on a touch panel. The method can include constructing a page for display on the touch panel, configuring one or more graphical display units and... | 05/29/2007 |
| 7213061 | Internet control system and method A control system of the present invention includes at least one device, a network interconnecting the at least one device, a control network portal coupled between the network and the Internet, and a master controller coupled to the network and operable to control t... | 05/01/2007 |
| 7187649 | Method and apparatus for providing network protection at input/output interfaces of a cross-connect switch A telecommunications system (10) includes a first cross-connect switch (12) and a second cross-connect switch (14). The first cross-connect switch (12) includes a switching matrix that provides information from a matrix connection to a se... | 03/06/2007 |
| 7177369 | Multipath communication methods and apparatuses Methods, apparatuses and systems are provided for identifying at least one multipath transmission delay within a reverse path data signal, determining at least one forward path pre-equalization parameter based on the transmission delay, and modifying a forward path ... | 02/13/2007 |
| 7142619 | Long subscriber loops using automatic gain control mid-span extender unit Systems and methods are described for long subscriber loops using automatic gain control. A method includes extending a digital subscriber loop including: producing an output signal in a first direction from a variable gain amplifier at a mid-span extender unit resp... | 11/28/2006 |
| 7133896 | Providing a presentation on a network A presentation system is disclosed for distributing a performance of a presentation synchronously to a plurality of client nodes on a network such as the Internet. The presentation system distributes presentation content data to a plurality of network server nodes, ... | 11/07/2006 |
| 7130271 | Relaying apparatus In a relaying apparatus detecting a congested state and performing a flow control, an output buffer using an up-link or a stack-link is monitored. When the up-link or the stack-link is in a congested state, a transmission restriction is imposed on a port which is a ... | 10/31/2006 |
| 7113699 | Fault forwarding in an optical network A system and method for forwarding fault information in an optical network is disclosed. Responsive to a fault being detected at a node, the fault information is forwarded to the destination node in the form of a loss-of-signal condition by turning off laser transmi... | 09/26/2006 |
| 7106789 | Method and apparatus for provisioning TDM and packet based communications on a VDSL communication medium An method and apparatus for provisioning multiple Next and fractional T1 along with packet based communications over a shared X-DSL communication link is disclosed. The communication link may be wired or wireless. The current invention provides a method and apparatu... | 09/12/2006 |
| 7102995 | Supporting SDH/SONET APS bridge selector functionality for ethernet An Ethernet Automatic Protection Switching (APS) Bridge Selector is provided for supporting SDH/SONET APS standard functionality in Ethernet Networks. In accordance with one embodiment, an Ethernet APS Bridge Selector is provided for bridge, selector, and switchover... | 09/05/2006 |
| 7103050 | Method and means for determining the used bandwidth on a connection The invention relates to a method for determining the used bandwidth (CCR) on a connection (18) on which information-carrying units are transported. The duration (ET) of an arrival period, during which a predetermined number (M) of the cells arrives at a cert... | 09/05/2006 |
| 7079484 | Management method for maintaining communications options within a private communications network The method enables a set of services to be maintained within a private communications network even in the event of the network becoming split. It uses emergency means providing dynamic accesses that are previously defined by the user of the network. The dynamic acce... | 07/18/2006 |
| 7072387 | Fractional bit rate encoding in a discrete multi-tone communication system Fractional bit rate encoding in a discrete multi-tone (DMT) communication environment allows the transmission of fractional bit rates, thus maximizing the use of signal-to-noise ratio (SNR) available on each of the DMT carriers, or tones, while maintaining a constan... | 07/04/2006 |
| 7065040 | Ring switching method and node apparatus using the same A node apparatus for a ring network arranged in a multi-ring formation includes a routing table that defines relationships between a receiving physical line identifier with port number and a sending physical line identifier with port number for virtual ring bypass r... | 06/20/2006 |
| 7053501 | Multi-pair aggregate power distribution Apparatus and methods for transmitting power over non-adjacent multiple conducting pairs and aggregating power from the conducting pairs to power a remote electronic device. In an embodiment, the apparatus and method comprises a wiring closet which has power supplyi... | 05/30/2006 |
| 7042892 | Voice-over IP communication without echo cancellation A highly flexible and scalable architecture implements TDM bridge and related functions for network to telecom interface applications like voice over Internet. A very small packet size minimizes packetization delay so that VOIP can be realized without expensive echo... | 05/09/2006 |
| 7009933 | Traffic policing of packet transfer in a dual speed hub A system for policing traffic of packet transfer in a hub. The system includes a first circuit and a second circuit and a first data line connecting the first circuit to the second circuit, wherein data is transmitted within and between the first circuit and the sec... | 03/07/2006 |
| 6975811 | Optical one-to-one protection switching apparatus An optical one-to-one protection switching apparatus exchanges signals between a transmit node and a receive node. If a fault is detected in the first transmission line (down-stream), a controller in the node controls a drive circuit so as to shut off a gate. Then, ... | 12/13/2005 |
| 6952826 | Method for implementing a multi-level system model for deterministically handling selected data A method for implementing a multi-level system model for deterministically handling selected data comprises a picokernel module that invokes an isochronous scheduler to select, schedule, and execute active isochronous processes on an electronic device in response to... | 10/04/2005 |
