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Class Information
Number: 370/460
Name: Multiplex communications > Channel assignment techniques > Using time slots > Having indication of idle or busy state of time slot > On ring or loop network
Description: Subject matter wherein the indication of idle or busy state of a time slot is applied to a ring or loop network.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8712336 Data unit receiver and sender control method Apr. 29, 2014
8660003 Dynamic, asymmetric rings Feb. 25, 2014
8649261 Method and system for blocking protocol messages at a sub-ring control channel without virtual channel Feb. 11, 2014
8644134 Dual-homing for ethernet line services Feb. 4, 2014
8531942 Communication system having a master/slave structure Sep. 10, 2013
8488614 Upstream label assignment for the label distribution protocol Jul. 16, 2013
8466816 Method and apparatus for serializing bits Jun. 18, 2013
8462808 Information server and communication apparatus Jun. 11, 2013
8443079 Mixed integer programming model for minimizing leased access network costs May. 14, 2013
8417978 System and method for reducing power consumption during periods of low link utilization Apr. 9, 2013
8401034 Transport apparatus and transport method Mar. 19, 2013
8385349 Medium access control device and method for optical packet-switched metro WDM slotted-ring networks Feb. 26, 2013
8185761 "Subset PHY" approach for reducing power consumption during periods of low link utilization May. 22, 2012
8121112 Method and system for processing voice traffic from a multi-channel link into a VoIP network over a broadband network Feb. 21, 2012
7876688 Traffic protection in a communication network Jan. 25, 2011
7831147 Fiber and wire communication system Nov. 9, 2010
7826399 Structure for preventing starvation in a slotted ring data communications network Nov. 2, 2010
7783196 Fiber and wire communication system Aug. 24, 2010
7760669 Method and apparatus for preventing starvation in a slotted ring data communications network Jul. 20, 2010
7734179 Fiber/wired communication system Jun. 8, 2010
7733898 Method and apparatus for preventing starvation in a slotted-ring network Jun. 8, 2010
7535837 Optical packet transmission May. 19, 2009
7529267 Data transmissions in communication networks using multiple tokens May. 5, 2009
7450850 Fiber and wire communication system Nov. 11, 2008
7369514 Source credit based fairness scheme May. 6, 2008
7355978 Method for implementing an OAM function by exchanging request-reply packets between stations of a RPR network, and corresponding packet frames Apr. 8, 2008
7352765 Packet switching fabric having a segmented ring with token based resource control protocol and output queuing control Apr. 1, 2008
7328017 Resource negotiation in wireless communications networks and methods Feb. 5, 2008
7315830 Method, system and computer program product for ordering merchandise in a global computer network environment Jan. 1, 2008
7283749 Fiber and wire communication system Oct. 16, 2007
7130629 Enabling services for multiple sessions using a single mobile node Oct. 31, 2006
7085898 Coherency management for a "switchless" distributed shared memory computer system Aug. 1, 2006
7068937 Fiber and wire communication system Jun. 27, 2006
7035279 Flow allocation in a ring topology Apr. 25, 2006
7009995 Method and a device for communication among equal-access stations of a ring-shaped serial fiber-optic bus Mar. 7, 2006
6963564 Method and apparatus for synchronized slotted optical burst switching Nov. 8, 2005
6912231 Multi-broadcast bandwidth control system Jun. 28, 2005
6865188 Local communication system Mar. 8, 2005
6865371 Method and apparatus for connecting devices via an ad hoc wireless communication network Mar. 8, 2005
6834190 Controlling method and apparatus for transition between modes at traffic channel substrate in mobile communication system Dec. 21, 2004
6785549 Method and apparatus for matching operating revisions of a mobile station and a base station in a wireless data communication system Aug. 31, 2004
6747985 Systems and methods for optimizing communications in an ethernet network Jun. 8, 2004
6658016 Packet switching fabric having a segmented ring with token based resource control protocol and output queuing control Dec. 2, 2003
6654563 Fiber/wired communication system Nov. 25, 2003
6512779 Device for data transmission Jan. 28, 2003
6496516 Ring interface and ring network bus flow control system Dec. 17, 2002
6483843 Detecting and counting open ordered sets originating from an attached node port Nov. 19, 2002
6317415 Method and system for communicating information in a network Nov. 13, 2001
6259704 Digital transmission network Jul. 10, 2001
6229816 Combining network and mechanism for allocating resources of such a network May. 8, 2001

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