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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 8081876 | Optical fan-out and broadcast interconnect methodology Methods are described for an optical fan-out and broadcast interconnect. A method includes operating an optical fan-out and broadcast interconnect including: fanning-out an optical signal from an optical signal emitter, of one of a plurality of nodes, with a divergi... | 12/20/2011 |
| 8050560 | Distributed resource sharing method using weighted sub-domain in GMPLS network A distributed resources sharing method using weighting factors of sub-domains in an optical network includes connecting working paths to an optical network according to a request of a subscriber, and calculating weighting factors for measurement of concentration of ... | 11/01/2011 |
| 7941778 | System and method of determining minimum cost path A network is represented using a graph. The graph comprises a plurality of vertices and a plurality of edges. The vertices comprise a source vertex, a destination vertex and a vertex u. The edges link corresponding adjacent pairs of the vertices. A minimum cost path... | 05/10/2011 |
| 7925161 | Method and system for configuring a connection-oriented packet network over a wavelength division multiplexed optical network A network planning tool and method for configuring a connection-oriented packet network over a WDM optical network without an optical control layer, such as a SONET/SDH layer. The optical network includes a plurality of optical fibers interconnected through nodes an... | 04/12/2011 |
| 7903970 | Optical network evaluation systems and methods Embodiments of optical network evaluation systems and methods are disclosed. One system embodiment, among others, comprises a processor configured with logic to provide a cross layer model of disturbance propagation in an optical network based on a combination of a ... | 03/08/2011 |
| 7877012 | Selecting optical waves A control module is configured to receive one or more input signals. An optical selection network includes a plurality of optical input ports configured to receive respective optical waves at an operative wavelength, and at least one optical output port configured t... | 01/25/2011 |
| 7860392 | Optical network topology databases based on a set of connectivity constraints A set of one or more connectivity constraints imposed on the building/maintaining of network topology databases. ... | 12/28/2010 |
| 7853147 | Information processing system, calculation node, and control method of information processing system The present invention provides an information processing system, comprising a plurality of calculation nodes with an optical transmitter, which individually outputs a plurality of optical signals each having a different wavelength, and an optical receiver, which ind... | 12/14/2010 |
| 7848651 | Selective distribution messaging scheme for an optical network A selective distribution messaging scheme for an optical network. According to one embodiment of the invention, a wavelength division multiplexing optical network includes a number of nodes each having an optical cross connect and each having stored therein a databa... | 12/07/2010 |
| 7787769 | Routing cycles for wavelength switched optical networks The routing cycles method establishes a connection between a source network node and a destination network node based on a cycles graph. For each connection request, the network identifies ‘k’ valid solution cycles on the cycles graph, taking into account any co... | 08/31/2010 |
| 7783194 | Method and apparatus for provisioning optical services on an optical network An optical provisioning system includes a connection tree table that allows a path to be traced through the network using connection ID, rate, and other information at the nodes on the network. As connections are built, a connection graphics panel is provided to dis... | 08/24/2010 |
| 7773878 | System, device and method for supporting cut-through paths in an optical communication system A system, device, and method for supporting cut-through pats in an optical communication system involves obtaining hop count and quality of service information by an initiating device and using the hop count and quality of service information by the initiating devic... | 08/10/2010 |
| 7689120 | Source based scheme to establish communication paths in an optical network A source based scheme to establish communication paths in an optical network. According to one embodiment of the invention, a number of wavelength division multiplexing access nodes of an optical network employ a source based scheme to establish communication paths.... | 03/30/2010 |
| 7676154 | Method and system for configuring a connection-oriented packet network over a wavelength division multiplexed optical network A network planning tool and method for configuring a connection-oriented packet network over a WDM optical network without an optical control layer, such as a SONET/SDH layer. The optical network includes a plurality of optical fibers interconnected through nodes an... | 03/09/2010 |
| 7676155 | Dynamic wavelength allocation device using 3R wavelength converter having limited wavelength conversion range and method thereof In a wavelength allocation method in a wavelength division multiplexing network, a 3R wavelength converter having a limited wavelength conversion range is disposed according to a wavelength conversion band of each node, at least one path set between transmitting/rec... | 03/09/2010 |
| 7627245 | System and method for re-using wavelengths in an optical network A network design that reduces the number of wavelengths needed to support communications in a Wavelength Division Multiplexing (WDM) network is disclosed. Wavelengths are reused in isolated sub-networks that do not share common network paths, allowing for the reduct... | 12/01/2009 |
| 7609965 | Method for reorganizing wavelength division multiplexing network using dynamic watermarks Disclosed is a method of reorganizing a wavelength division multiplexing network using dynamic watermarks and a computer readable recoding medium for storing a program for executing the same method. The reorganization method of organizing a wavelength division multi... | 10/27/2009 |
| 7599621 | Trail engineering in agile photonic networks An agile transparent network with a trail routing and switching (also called “engineering”) mechanism is provided that enables efficient use of regenerators and wavelengths available in the network, while maintaining a very efficient time-to-service. The trail e... | 10/06/2009 |
| 7489866 | Method and apparatus for multiple-homing route diversification for UNI clients A diversification route (Connection-B) is generated after establishing a first path (Connection-A) through the network (10) between an ingress client node (12) and an egress client node (14) through a first ingress network element (16) wi... | 02/10/2009 |
| 7483631 | Method and apparatus of data and control scheduling in wavelength-division-multiplexed photonic burst-switched networks A method and apparatus for scheduling data burst transmission in a wavelength-division-multiplexing photonic burst-switched network is disclosed. In one embodiment, a scheduler determines a set of weighting factors at each wavelength for each of the lightpath segmen... | 01/27/2009 |
| 7477843 | Method of and system for routing in a photonic network A method of and system for determining a path through which to route a connection in a photonic network in which optically viable photonic paths of one or more physical links are determined and considered as “virtual” links in a “virtual” topology. Routing i... | 01/13/2009 |
| 7437072 | Optical cross-connect with path selecting function An optical cross-connect for selecting a path between an access-line connected to a router and a trunk-line connected to another optical cross-connect the optical cross-connect has a hash-table H for randomly specifying a trunk-line number k as elements h(i,j)=k in ... | 10/14/2008 |
| 7421201 | Route determination method used in optical signal transmission system A method of determining a transmission route for optical signals in an optical signal transmission system comprising a transmitter for optical signals, a receiver for the optical signals, and repeaters for repeating the optical signals transmitted from the transmitt... | 09/02/2008 |
| 7415208 | Method and system for allocating bandwidth in an optical communication network A method and system for allocating bandwidth in a communication network is disclosed. Processing a request for bandwidth includes evaluating potential paths. Configuration rules and propagation rules may be applied to eliminate non-viable paths. A path quality indic... | 08/19/2008 |
| 7415174 | Dual optical channel monitor assembly and associated methods of manufacture and use An optical channel monitor assembly for simultaneously measuring the optical power levels of multiple series of dense wavelength division multiplexed channels or the like traveling on separate optical fibers in an optical communications system includes an arrayed wa... | 08/19/2008 |
| 7394985 | Wavelength access server (WAS) architecture A wavelength access server (WAS) architecture provides aggregation of traffic streams of diverse data communication protocols as well as provision of wavelength resources in an optical transport network. The WAS provides functions such as service traffic adaptation,... | 07/01/2008 |
| 7391720 | Local span mesh restoration (LSMR) An embodiment of the invention provides a method and apparatus for restoring a connection in a network. The connection is typically a sub network connection (SNC). In an embodiment, a failed line in a link connecting a first node and a second node is detected, where... | 06/24/2008 |
| 7389046 | Simplified switching interconnect using wavelength division multiplexing A network of spine switches and leaf switches is disclosed wherein the spine switches and leaf switches are coupled using a simplified interconnect made up of multiple signal carrying media (SCM's). In the simplified interconnect, “virtual” links are used rather... | 06/17/2008 |
| 7386232 | Method and system for diverse route computation A first route is associated with a first channel of two or more channels in a first dense wavelength division multiplex (DWDM) link. A second route is associated with a second channel of the two or more channels in the first dense wavelength division multiplex (DWDM... | 06/10/2008 |
| 7385982 | Systems and methods for providing quality of service (QoS) in an environment that does not normally support QoS features Systems and methods for providing fractional bandwidth communication channels in classes of service that do not normally support these types of channels. In one embodiment, a method comprises receiving one or more frames, wherein each frame contains non-QoS header i... | 06/10/2008 |
| 7376350 | Methods and apparatus for optical network management using pilot tones Methods and apparatus for managing an optical network using pilot tones are provided. One method includes selecting an optical path having a plurality of nodes from a database defining an expected optical network. A detected list of pilot tones associated with each ... | 05/20/2008 |
| 7369767 | Method of determining a spectral route in an optical telecommunications network In order to determine a spectral route between a departure node (N1) and an arrival node (N6) in a WDM optical telecommunications network, the method comprises a step of determining a spatial route connecting the departure node to the arrival node, sai... | 05/06/2008 |
| 7370119 | Scalable MPLS fast reroute switchover with reduced complexity A Fast Reroute implementation suitable for use in a label switched router. Reroute from protected tunnels to backup tunnels may be achieved in constant time irrespective of the numbers of protected forwarding equivalence classes and protected tunnels. ... | 05/06/2008 |
| 7369766 | Optically boosted router Systems and techniques to optically boost a router. In general, in one implementation, the technique includes: receiving an optical signal defining a packet of data, initiating electronic routing of the optical packet, and initiating optical routing of the optical p... | 05/06/2008 |
| 7369770 | Method of assigning carrier frequencies in an optical transmission network To optimize the resources of an optical transmission network using wavelength division multiplexing, assigning carrier frequencies to signals to be transmitted consists in associating N sets of optical frequencies of the comb with N respective ranges of consecutive ... | 05/06/2008 |
| 7359635 | Optically-controlled optical network and switching node therefor The optically-switched optical network comprises information signal channels allocated for optically transmitting one or more information signals; routing signal channels allocated for optically transmitting routing signals in parallel with the information signals; ... | 04/15/2008 |
| 7352966 | Method and apparatus for capacity-efficient restoration in an optical communication system A method and system provide capacity-efficient restoration within an optical fiber communication system. The system includes a plurality of nodes each interconnected by optical fibers. Each optical fiber connection between nodes includes at least three channel group... | 04/01/2008 |
| 7343423 | Enhanced switchover for MPLS fast reroute A Fast Reroute implementation where switchover time to backup tunnels upon failure of a protected network element is independent of a number of entries corresponding to forwarding equivalence classes forwarding over LSPs using that element. During normal operation o... | 03/11/2008 |
| 7340169 | Dynamic route discovery for optical switched networks using peer routing An architecture and method for performing dynamic route discovery and time slot reservation provisioning within optical-switched networks. The method employs extensions to the RSVP-TE signaling protocol, which uses various messages to reserve resources. Under a peer... | 03/04/2008 |
| 7337258 | Dynamically allocating devices to buses Devices are assigned to different buses at development time as well as dynamically during operation, based on actual performance. At development time, bus assignment can be determined based on experiments and direct observation of how devices behave in various confi... | 02/26/2008 |
