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Browse by Category: Main > Communications
Class Information
Number: 370/243
Name: Multiplex communications > Diagnostic testing (other than synchronization) > Fault detection > Of a repeater system
Description: Subject matter wherein a retransmission station in the multiplex system is tested for any nonstandard operating condition.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7385929 Method and system for detecting false packets in wireless communications systems Jun. 10, 2008
7376079 Backup cell controller May. 20, 2008
7327689 Data processing equipment with multi-function trace message processor Feb. 5, 2008
7286843 Identifying remote radio units in a communication system Oct. 23, 2007
7231003 System and method for aligning data between local and remote sources thereof Jun. 12, 2007
7212496 Remote test unit May. 1, 2007
7154856 Multiplexing apparatus and cell discard method Dec. 26, 2006
7061872 Managed HDSL repeater Jun. 13, 2006
7035208 Reverse statistical multiplexing to achieve efficient digital packing with link protection Apr. 25, 2006
6992977 Transmission apparatus and a method for transmitting data in a data transmission system Jan. 31, 2006
6925578 Fault-tolerant switch architecture Aug. 2, 2005
6842426 Fault detection for subscriber loop repeaters Jan. 11, 2005
6785473 WDM network and WDM network device Aug. 31, 2004
6691167 Method and apparatus for network problem segment isolation Feb. 10, 2004
6618358 Method and apparatus for switching a clock source from among multiple T1/E1 lines with user defined priority Sep. 9, 2003
6590868 Method and apparatus for restart communication between network elements Jul. 8, 2003
6430158 Wireless communication method, wireless communication apparatus and wireless communication control apparatus Aug. 6, 2002
6298037 Network data filtering Oct. 2, 2001
6272112 Repeating unit testing system and communication apparatus as well as communication method Aug. 7, 2001
6272108 Apparatus and method to allow a frame check sequence to determine the updating of adaptive receiver parameters of a high speed communication device Aug. 7, 2001
6181676 System protection switching Jan. 30, 2001
6154444 Source routing method for fast connection re-establishment in response to early-arriving trouble report messages Nov. 28, 2000
6041062 High-speed synchronous multiplexing apparatus Mar. 21, 2000
6038229 Tree switching with fast reconfiguration Mar. 14, 2000
6034948 System for testing repeating installation Mar. 7, 2000
6016307 Multi-protocol telecommunications routing optimization Jan. 18, 2000
5978354 Optical transmission system and transmission line switching control method Nov. 2, 1999
5943146 Optical transmission system in which no arrival of a first light signal is notified from a first station to a second station by an alarm light signal multiplexed with a second light signal in Aug. 24, 1999
5914794 Method of and apparatus for detecting and reporting faults in an all-optical communications system Jun. 22, 1999
5883882 Fault detection in a frequency duplexed system Mar. 16, 1999
5875210 Method and apparatus for repeating data Feb. 23, 1999
5832036 Radio relay apparatus Nov. 3, 1998
5794117 Cable television network with upstream channel specialized for sending upstream information signals Aug. 11, 1998
5784404 Intelligent repeater functionality Jul. 21, 1998
5778048 Feed imbalance detector in repeated line Jul. 7, 1998
5764633 Method and system for transferring digital telephone circuits Jun. 9, 1998
5717714 Inter-repeater backplane with mixed signal state machine interconnect Feb. 10, 1998
5712846 Order wire communication control method for line-switched ring network system Jan. 27, 1998
5640384 Reconfigurable communication network Jun. 17, 1997
5396357 Fault tolerant optical cross-channel data link Mar. 7, 1995
5386416 Repeater having a bypass circuit for passing time division multiplex signals along even though some time slots are not reinjected Jan. 31, 1995
5317278 Switched active fault locate filter May. 31, 1994
5287343 Network administration system Feb. 15, 1994
5267230 Method and apparatus for communication maintenance and termination Nov. 30, 1993
5252961 System for monitoring status of plurality of repeaters Oct. 12, 1993
5241533 Packet switching network with alternate trunking function Aug. 31, 1993
5212713 Fault location arrangement for digital transmission systems May. 18, 1993
5191595 T1 digital communications system for in-service detection and identification of malfunctioning repeaters Mar. 2, 1993
5189662 Transmission network having electronically switchable nodes for switching signal paths and a method of controlling said network Feb. 23, 1993
5038140 Supervisory system in communication system Aug. 6, 1991

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