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Class Information
Number: 370/452
Name: Multiplex communications > Channel assignment techniques > Polling > Passing a signal identifying the idle or busy state of a channel (e.g., token passing) > On bus > On ring or loop
Description: Subject matter in which the idle or busy signal is passed from station to station on a closed transmission path.

Sub-classes under this class:

Class Number Class Name Patents
370/454 Having multiple idle or busy signals simultaneously on the network 39
370/456 Idle or busy signal erasure or frame erasure 36
370/455 Including priority resolution 198
370/453 Initialization or reinitialization of network 98

Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8706936 Integrated circuit having a bus network, and method for the integrated circuit Apr. 22, 2014
8687647 Communication node, and token issuing method and token-ring communication method in ring communication system Apr. 1, 2014
8665708 Method and apparatus for a ring network node to acquire protocol messages Mar. 4, 2014
8644134 Dual-homing for ethernet line services Feb. 4, 2014
8477660 Method for updating filtering database in multi-ring network Jul. 2, 2013
8466816 Method and apparatus for serializing bits Jun. 18, 2013
8457149 Data processing apparatus, control method therefor and storage medium Jun. 4, 2013
8396608 Computer based energy management Mar. 12, 2013
8386389 Service delivery systems and methods Feb. 26, 2013
8363573 Method for ringcasting with improved reliability Jan. 29, 2013
8351459 Communication node, and token issuing method and token-ring communication method in ring communication system Jan. 8, 2013
8345576 Methods and systems for dynamic subring definition within a multi-ring Jan. 1, 2013
8321566 System and method to control application to application communication over a network Nov. 27, 2012
8274919 System and method for implementing multiple ring networks using a common link Sep. 25, 2012
8213455 Communication node, and token issuing method and token-ring communication method in ring communication system Jul. 3, 2012
8209114 Traffic information generating apparatus and traffic information generating method Jun. 26, 2012
8199704 Method of encoded channel acquisition Jun. 12, 2012
8154989 Recovering a shared channel within a network from a deadlock state Apr. 10, 2012
8126006 Method of providing a medium access protocol Feb. 28, 2012
8077736 Fast audio/visual reception in DVB-H systems Dec. 13, 2011
8069268 Recycling items in a network device Nov. 29, 2011
8050294 Method and system for transmitting in TDM mode Nov. 1, 2011
8024404 Method and apparatus for designating endpoints in a collaborative computer system to facilitate maintaining data consistency Sep. 20, 2011
7984217 Data transmission method, serial bus system, and switch-on unit for a passive station Jul. 19, 2011
7913007 Systems, methods, and computer readable media for preemption in asynchronous systems using anti-tokens Mar. 22, 2011
7869457 High speed ring/bus Jan. 11, 2011
7843957 Method for managing a communication network comprising wireless links with more than two wireless devices Nov. 30, 2010
7773612 Networking controller, device and communication network system of asynchronous transfer mode Aug. 10, 2010
7733810 System and method for communicating on a virtual ring in an internet protocol network Jun. 8, 2010
7716380 Recycling items in a network device May. 11, 2010
7710878 Method and system for allocating traffic demands in a ring network May. 4, 2010
7702834 Data transmission method serial bus system and switch-on unit for a passive station Apr. 20, 2010
7693083 Audio network system Apr. 6, 2010
7684348 Method for ensuring service class of packet service and method of rate limitation Mar. 23, 2010
7680135 Audio network system having lag correction function of audio samples Mar. 16, 2010
7680119 Main station and substation in a network and a method for transmitting data in a network Mar. 16, 2010
7626998 Communication device, communication node, and method for transmitting a message Dec. 1, 2009
7593421 Communication control device having multiprocessor Sep. 22, 2009
7551564 Flow control method and apparatus for single packet arrival on a bidirectional ring interconnect Jun. 23, 2009
7529267 Data transmissions in communication networks using multiple tokens May. 5, 2009
7512147 Method of reserving network bandwidth resources, and communications system and network device using the same Mar. 31, 2009
7430216 Communication apparatus Sep. 30, 2008
7408902 Method of using a radio network controller for controlling data bit rates to maintain the quality of radio links Aug. 5, 2008
7406354 System for motion control, method of using the system for motion control, and computer readable instructions for use with the system for motion control Jul. 29, 2008
7388872 Dynamic communication channel allocation method and system Jun. 17, 2008
7376102 Erased frame and idle frame suppression in a wireless communications system May. 20, 2008
7369514 Source credit based fairness scheme May. 6, 2008
7324488 Method and system for providing an intelligent data concentrator communicatively coupled to a network by a wireless mode Jan. 29, 2008
7280550 Bandwidth optimization of ring topology through propagation delay compensation Oct. 9, 2007
7277910 System and method for balancing rings coupling routing platforms Oct. 2, 2007

1 2 3 4 5 6 7

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