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Class Information
Number: 370/227
Name: Multiplex communications > Fault recovery > Bypass an inoperative channel > In a repeater system > Using a spare channel
Description: Subject matter wherein the multiplex repeater system has a primary and a backup or protection line, and the backup line is activated to route information data when the primary channel is malfunctioning.

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8687956 Standby restoration signaling for optical networks Apr. 1, 2014
8681605 Method and apparatus for using G.8031 extensions to enable coexistence of G.8031-based protection and LAG-like loadsharing for ethernet paths Mar. 25, 2014
8682380 Estimating mobile local propagation environment characteristics for wireless communications Mar. 25, 2014
8670421 System and method for cohesive radio operation Mar. 11, 2014
8665709 Use of 1:1 protection state machine for load sharing and alternative protection schemes Mar. 4, 2014
8665760 Method and arrangement for connecting an ad-hoc communication network to a permanent communication network Mar. 4, 2014
8655261 RF redirection module and system incorporating the RF redirection module Feb. 18, 2014
8644136 Sideband error signaling Feb. 4, 2014
8634292 Sliced tunnels in a computer network Jan. 21, 2014
8631174 Systems, methods, and apparatus for facilitating communications between an external controller and fieldbus devices Jan. 14, 2014
8619554 Interconnecting initiator devices and recipient devices Dec. 31, 2013
8576706 Systems and methods for protecting a trunk with multiple trunks Nov. 5, 2013
8538424 Systems and methods for multi-channel sequential detection in cognitive radio systems Sep. 17, 2013
8532481 Dual fault tolerant optical networking with fast protection performance Sep. 10, 2013
8526966 Scheduled and autonomous transmission and acknowledgement Sep. 3, 2013
8521823 System and method for targeting information based on message content in a reply Aug. 27, 2013
8493872 System and method for monitoring the connectivity of a path between nodes in a network Jul. 23, 2013
8477687 Wireless mesh network system and control method thereof, and wireless device Jul. 2, 2013
8462805 Graceful restart method of router, router and communication network thereof Jun. 11, 2013
8456984 Virtualized shared protection capacity Jun. 4, 2013
8432885 System and method for channel status information feedback in a wireless communications system Apr. 30, 2013
8433820 Method and system for conserving battery power in wireless devices operating in a wireless local area network Apr. 30, 2013
8427940 Method of M:1 protection Apr. 23, 2013
8422361 Management of protection path bandwidth and changing of path bandwidth Apr. 16, 2013
8422363 Method and apparatus for service protection Apr. 16, 2013
8392559 Multiple phase distributed reduction Mar. 5, 2013
8391707 Maintenance friendly optical fiber switching system Mar. 5, 2013
8391308 DOCSIS PON Mar. 5, 2013
8391135 Method and apparatus for channel interference mitigation for wireless communications Mar. 5, 2013
8352661 Data storage systems having seamless software upgrades Jan. 8, 2013
8345542 Method of M:1 protection Jan. 1, 2013
8320294 Method for communicating in a network comprising wire and wireless nodes Nov. 27, 2012
8315157 Graceful removal and/or insertion of a network element Nov. 20, 2012
8289844 Networks having multiple paths between nodes and nodes for such a network Oct. 16, 2012
8279764 Method and apparatus for selecting a network element for testing a network Oct. 2, 2012
8264955 Internet protocol fast reroute for shared risk link group failure recovery Sep. 11, 2012
8264952 Method and apparatus for providing packet ring protection Sep. 11, 2012
8259564 Egress protection for label switched paths Sep. 4, 2012
8260133 Standby restoration signaling for optical networks Sep. 4, 2012
8238232 Constructing a transition route in a data communication network Aug. 7, 2012
8233386 Device that uses parameters to provide multi-channel serial data transmissions and method thereof Jul. 31, 2012
8228786 Dynamic shared risk node group (SRNG) membership discovery Jul. 24, 2012
8228789 Transmission network, transmission apparatus, channel switching method and program for transmission network Jul. 24, 2012
8230115 Cable redundancy with a networked system Jul. 24, 2012
8218434 Ethernet facility and equipment protection Jul. 10, 2012
8218430 Method, device and system for protecting multicast traffic Jul. 10, 2012
8213978 Estimating mobile local propagation environment characteristics for wireless communications Jul. 3, 2012
8208372 Technique for fast activation of a secondary head-end node TE-LSP upon failure of a primary head-end node TE-LSP Jun. 26, 2012
8199761 Communications multiplexing with packet-communication networks Jun. 12, 2012
8194537 Terminal affiliation switchover system Jun. 5, 2012

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