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Class Information
Number: 324/540
Name: Electricity: measuring and testing > Fault detecting in electric circuits and of electric components > Of individual circuit component or element > Multiconductor cable > With sequencer
Description: Subject matter where a mechanical or electrical device is included which tests one cable after another for a defect.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8494120 Detecting foreign voltage faults in telephone customer premise equipment Jul. 23, 2013
8050878 Method and system for estimation of source impedence on electrical distribution lines Nov. 1, 2011
8049512 Circuit board with embedded components and manufacturing and measuring method thereof Nov. 1, 2011
7386411 Automatic hi-pot test apparatus and method Jun. 10, 2008
7304481 Apparatus for testing electric cables Dec. 4, 2007
6954076 Aircraft multi-function wire and insulation tester Oct. 11, 2005
6927579 Parallel arc fault diagnostic for aircraft wiring Aug. 9, 2005
6876203 Parallel insulation fault detection system Apr. 5, 2005
6836124 Capacitance monitoring systems Dec. 28, 2004
6639410 Insulation resistance measuring apparatus for capacitive electronic parts Oct. 28, 2003
6456087 Insulation resistance measuring apparatus for capacitive electronic parts Sep. 24, 2002
6424160 Testing insulation between conductors Jul. 23, 2002
6407542 Implementation of a multi-port modal decomposition system Jun. 18, 2002
6385561 Automatic fault location in cabling systems May. 7, 2002
6201383 Method and apparatus for determining short circuit conditions using a gang probe circuit tester Mar. 13, 2001
6191570 System and method for detecting shorts, opens and connected pins on a printed circuit board using automatic test equipment Feb. 20, 2001
5757265 Multiple-cable field bus system May. 26, 1998
5744967 Apparatus for detecting intermittent and continuous faults in multiple conductor wiring and terminations for electronic systems Apr. 28, 1998
5677633 Cable test instrument having interchangeable performance modules Oct. 14, 1997
5627474 Continuity checker for allocating individual cores of multi-core cables May. 6, 1997
5617033 Method and apparatus for electrically testing multi-core cable Apr. 1, 1997
5539321 Apparatus for measuring the crosstalk in a cable Jul. 23, 1996
5488306 Open and short fault detector for a differential interface Jan. 30, 1996
5347225 Network monitor and test apparatus Sep. 13, 1994
5321363 Two-terminal circuit element measuring apparatus for performing contact checks Jun. 14, 1994
5247259 Cable testing method and apparatus Sep. 21, 1993
5228072 Multiwire-pair telecommunications test system Jul. 13, 1993
5220285 System for testing the electrical continuity and insulation of the electrical conductors of a portion of wiring Jun. 15, 1993
5029274 Apparatus and method for testing the integrity of wiring ensembles Jul. 2, 1991
4992739 Continuity tester Feb. 12, 1991
4937519 Apparatus and method for identifying conductors Jun. 26, 1990
4901003 Telecommunications wiring test apparatus and method including two color display indicating correct wiring Feb. 13, 1990
4835479 Apparatuses for testing multi-core cables for leakage between cores May. 30, 1989
4814693 Data cable test apparatus and method Mar. 21, 1989
4794339 Method and apparatus for electrically testing telecommunications cables Dec. 27, 1988
4772845 Cable continuity testor including a sequential state machine Sep. 20, 1988
4748402 Circuit identifier tester for telecommunication pairs May. 31, 1988
4536703 Method and apparatus for testing cable wire connected to terminals at a remote location Aug. 20, 1985
4524321 Method and apparatus for testing cable wire connected to terminals at a remote location Jun. 18, 1985
4510435 Apparatus for electrically testing multi-core cables Apr. 9, 1985
4471293 Multi-conductor cable test unit Sep. 11, 1984
4418312 Apparatus for testing multi-conductor cables Nov. 29, 1983
4418250 Telephone cable splicers test set and method of testing Nov. 29, 1983
4399400 Apparatus for testing multiconductor cables and having transition circuit means for extending its capability Aug. 16, 1983
4384249 Cable testing apparatus and method May. 17, 1983
4375050 Portable automatic multiple test system for multi-pair cables Feb. 22, 1983
4282479 Test apparatus for locating shorts during assembly of electrical buses Aug. 4, 1981
4277740 Cable tester for multipair cables Jul. 7, 1981
4224690 High speed parallel scanning means for testing or monitoring the assembly of multiwire harnesses Sep. 23, 1980

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