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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7054262 | Line-level path protection in the optical layer Systems and methods provide very fast protection switching while leaving selected traffic unprotected. When a link fails, only certain pre-selected paths are rerouted at the point of failure. Other traffic is left unprotected or protected at another layer. Signaling... | 05/30/2006 |
| 7054266 | Switch provided with capability of switching a path In order to avoid location of a buffer or a cache memory required for recovering a path trouble in the conventional storage unit, a new switch is provided between a computer and a storage unit. This switch manages a command to be relayed thereby, transmits to the co... | 05/30/2006 |
| 7051113 | Method and apparatus for computing a primary path while allowing for computing an alternate path by using a blocked list Methods and apparatus for creating a primary path such that the ability to create a corresponding alternate path, if one exists, is effectively ensured are disclosed. According to one aspect of the present invention, a method for creating a circuit path includes sel... | 05/23/2006 |
| 7050428 | Stackplane architecture A scalable digital loop carrier system uses a stackplane architecture which allows the transport capacity of the scalable digital loop carrier system to be flexibly expanded while providing time division multiplex (TDM) and asynchronous transfer mode (ATM) data link... | 05/23/2006 |
| 7050392 | In-order delivery of frames during topology change A method and system is provided for in-order delivery of frames in Fiber Channel communication networks during topology change. When a topology change has rendered an old path between two switches or end devices infeasible, a new path is determined to replace the ol... | 05/23/2006 |
| 7047278 | Storage area network system, storage, and data transfer amount monitoring apparatus A system includes servers accessing storage through a storage area network. The storage has a plurality of ports which may differ in data transfer speed, and memory resources connected to these ports. Data transmission between a port and a server is monitored. If th... | 05/16/2006 |
| 7047176 | Method and system for hardware simulation A system and method for simulating a networked system for testing of embedded software on an emulated hardware device. The system provides for automated generation of a simulated hardware and facilitates testing of embedded software response to simulated error condi... | 05/16/2006 |
| 7046623 | Fault recovery system and method for inverse multiplexed digital subscriber lines A system (10) and method are provided for restoring the flow of a data stream in the event of a link (28) failure while avoiding delays due to down time. The system (10) for passing the data stream at a particular transmission rate includes a fi... | 05/16/2006 |
| 7042839 | Scaleable line-based protection for connection oriented communications protocols A scalable protection method for connection oriented networks includes a source, a destination, and primary nodes interconnected by working path segments between the source and destination. A point-to-multipoint connection with multiple destinations and additional p... | 05/09/2006 |
| 7042838 | Method and apparatus for forwarding data in a data communications network A method of forwarding data in a data communications network comprising a plurality of nodes comprises the step of forwarding data according to a forwarding strategy implemented at a forwarding node. Where the implemented strategy comprises a repair strategy to comp... | 05/09/2006 |
| 7042837 | Automatic link failover in data networks Methods and apparatus are disclosed for enabling nodes in a data network having interconnect links to continue to transmit data when a link fails. This is done in realtime, in a manner transparent to upper-level clients, and at a hardware level without software inte... | 05/09/2006 |
| 7039007 | System and method for improving reliability of a packet network A system and method for improving reliability of a packet network are described. Data is transmitted on a first virtual circuit in the network. A message signaling a failure in receipt of the data is received on a second virtual circuit in the network. Finally, tran... | 05/02/2006 |
| 7039827 | Failover processing in a storage system Failover processing in storage server system utilizes policies for managing fault tolerance (FT) and high availability (HA) configurations. The approach encapsulates the knowledge of failover recovery between components within a storage server and between storage se... | 05/02/2006 |
| 7039716 | Devices, software and methods for encoding abbreviated voice data for redundant transmission through VoIP network Devices, software and methods are provided for encoding voice data to conceal packet loss. In addition to regular encoding, an abbreviated portion of the frame is encoded, and transmitted redundantly afterwards. Optionally the redundant encoding is in relation to an... | 05/02/2006 |
| 7039005 | Protection switching in a communications network employing label switching A system and method of protection switching in a communications network that makes more efficient use of resources in the network and reduces the loss of data traffic carried by the network. The communications network includes an established working path and an esta... | 05/02/2006 |
| 7038135 | Embedded cable connection identification circuits The present invention provides an interconnect cable having selectively activated identifiers in order to facilitate the locating and positive identification of ends of the interconnect cable. The identifiers may be activated by introducing or enabling a suitable ac... | 05/02/2006 |
| 7035208 | Reverse statistical multiplexing to achieve efficient digital packing with link protection An asynchronous transfer mode network, in accordance with the present invention, includes a plurality of remote terminals remotely disposed relative to a central office. The remote terminals are connected by a ring with two paths. The ring transfers signals thereon ... | 04/25/2006 |
| 7035537 | Method for wavelength switch network restoration A fiberoptic network with an optical supervisory channel in each of the optical fibers interconnecting the nodes of the network is described. Together with IP routers, the optical supervisory channels form a control network over which signaling and control signals a... | 04/25/2006 |
| 7035209 | Control communications in communications networks A communications network has data and dedicated control network communication links between nodes. The control network is automatically and reliably created by each node determining each of its neighbor nodes to which it has a direct data link, each node having at l... | 04/25/2006 |
| 7035202 | Network routing using link failure information Link failure messages are sent through a network to accelerate convergence of routing information after a network fault. The link failure messages reduce the oscillations in routing information stored by routers, which otherwise can cause significant problems, inclu... | 04/25/2006 |
| 7034975 | High speed MEMS device An interferometric micro electro-mechanical switching (MEMS) device includes an interferometer. The interferometer includes an optical cavity having a depth and formed between an inner mirror assembly and an outer mirror assembly. The MEMS device further includes an... | 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 |
| 7028224 | Network router having an internal automated backup A network router having an internal automated backup is provided. Specifically, the present invention provides a network router having at least one primary port facility, a switched fabric, and a backup card array. When a router card connected to a primary port faci... | 04/11/2006 |
| 7027782 | Transceiver apparatus and method for efficient high-speed data retransmission and decoding in a CDMA mobile communication system A method for retransmitting coded bits by a transmitter in response to a retransmission request from a receiver in a mobile communication system which separates coded bits output from an encoder into coded bits with higher priority and coded bits with lower priority... | 04/11/2006 |
| 7027390 | Packet routing apparatus and a method of communicating a packet When any communication port receives a packet from a network, it transmits the packet to a relay processing section. The relay processing section identifies a relay processing section of a transfer destination according to destination information included in the pac... | 04/11/2006 |
| 7024611 | Method and apparatus for time efficient retransmission using symbol accumulation An efficient retransmission of data using symbol accumulation wherein a first set of data symbols is encoded, producing a first set of encoded symbols and a second set of encoded symbols. The first set of encoded symbols is then transmitted in a first frame. A secon... | 04/04/2006 |
| 7024252 | Kiln thermal and combustion control A method and apparatus for controlling a non-linear mill. A linear controller is provided having a linear gain k that is operable to receive inputs representing measured variables of the plant and predict on an output of the linear controller predicted control value... | 04/04/2006 |
| 7023806 | Method for routing optical signals with diversity requirements The present invention discloses a method of determining a route for transmitting a signal through a network. The method comprises obtaining and storing network and demand data. The demand data is processed using a shortest path routing method to obtain an initial ro... | 04/04/2006 |
| 7023804 | Non-disruptive monitoring of traffic flows in a connection-orientated packet network The method for the non-disruptive monitoring of a packet flow from a target point (e.g., a specific port/VPI/VCI) to a counterpart point in a packet switch having one or more interface devices, connected to an internal bus, for servicing the target point, the counte... | 04/04/2006 |
| 7023800 | Congestion avoidance within aggregate channels Network congestion avoidance within aggregated channels is disclosed. In one embodiment, a method first transmits a packet associated with a first channel of a plurality of related channels from a source protocol layer (e.g., a source IP layer) of a source through a... | 04/04/2006 |
| 7023796 | Method for identifying the current route of paths in telecommunications MS-SPRINGS A method of identifying the current route of paths on communications MS-SPRINGs is described. The method comprises the steps of providing the network manager with information relating to the Nominal Route of the at least one path; and providing the management system... | 04/04/2006 |
| 7023793 | Resiliency of control channels in a communications network Lines within an aggregated link extending between network elements in a communications system are monitored for faults. Once a fault is detected on a particular line carrying a control channel, an alternative line is selected and control channel is transmitted on th... | 04/04/2006 |
| 7020701 | Method for collecting and processing data using internetworked wireless integrated network sensors (WINS) The Wireless Integrated Network Sensor Next Generation (WINS NG) nodes provide distributed network and Internet access to sensors, controls, and processors that are deeply embedded in equipment, facilities, and the environment. The WINS NG network is a new monitorin... | 03/28/2006 |
| 7020191 | Network device and method for detecting a link failure which would cause network to remain in a persistent state A network device monitors a signal transmitted to a wireless or optical link and a signal received from the link for detecting a bit-by-bit coincidence between them. In response to the detection of the coincidence, the network device determines that the received sig... | 03/28/2006 |
| 7020089 | Information processing apparatus and method of controlling the information processing apparatus An information processing system comprises an information processing apparatus, a switch, and a storage device, wherein the first communication ports and the third communication ports are connected to the second communication ports. When a response from a storage de... | 03/28/2006 |
| 7016299 | Network node failover using path rerouting by manager component or switch port remapping The failover of network nodes by path rerouting or port remapping is disclosed. A system may include a manager component, a first switch, and/or a second switch. The component specifies destination address alternate routes. Upon first node failure, the component sel... | 03/21/2006 |
| 7017067 | Method and bus system for synchronizing a data exchange between a data source and a control device A method for synchronizing a data exchange between a data source and a control device is provided. A synchronization request signal is first transmitted via the bus system to the data source, which then measures a signal propagation time from the control device to t... | 03/21/2006 |
| 7012897 | Link quality agent A link quality agent running in a computer embedded in a device, such as an optical communication transceiver, to monitor an optical signal quality of the link. In one embodiment, avalanche photodiode (APD) and filter wheel values on each side of the free space link... | 03/14/2006 |
| 7013419 | Reliable message transmission with packet-level resend A method for communication over a network includes receiving from a host processor a descriptor defining a message including message data to be sent over the network, and responsive to the descriptor, generating a sequence of packets each containing a respective por... | 03/14/2006 |
| 7013348 | Switch subtending in a synchronous transmission system The invention concerns a switching apparatus comprising a low order switch subtended from a high order switch. In order to compensate for delays incurred by passing a data frame through the high order switch to the low order switch and delays incurred by the operati... | 03/14/2006 |
