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Class Information
Number: 324/541
Name: Electricity: measuring and testing > Fault detecting in electric circuits and of electric components > Of individual circuit component or element > Multiconductor cable > For insulation fault
Description: Subject matter for checking a defect in a nonconductive material which separate one conductor from another and causes an unintentional electrical path between two conductors.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623041 |
Portable partial discharge detection apparatus and method thereof |
Nov. 24, 2009 |
| 7386411 |
Automatic hi-pot test apparatus and method |
Jun. 10, 2008 |
| 7285961 |
Insulation degradation diagnostic device |
Oct. 23, 2007 |
| 7271598 |
Conductor coil defect identifier |
Sep. 18, 2007 |
| 7129711 |
Device for detecting interferences or interruptions of the inner fields smoothing layer of medium or high voltage cables |
Oct. 31, 2006 |
| 7109722 |
Apparatus and method for PCB smoke and burn detection and prevention |
Sep. 19, 2006 |
| 7088257 |
Systems and apparatus for secure shipping |
Aug. 8, 2006 |
| 7046157 |
Short circuit detector for shield conductor in a fieldbus network |
May. 16, 2006 |
| 7030621 |
Low current AC partial discharge diagnostic system for wiring diagnostics |
Apr. 18, 2006 |
| 7026824 |
Voltage reference generator with negative feedback |
Apr. 11, 2006 |
| 7019531 |
Procedure and device for the evaluation of the quality of a cable |
Mar. 28, 2006 |
| 6977509 |
System and method for high voltage testing of twisted insulated conductors |
Dec. 20, 2005 |
| 6954076 |
Aircraft multi-function wire and insulation tester |
Oct. 11, 2005 |
| 6949933 |
Apparatus and method for monitoring electrical cable chafing via optical waveguides |
Sep. 27, 2005 |
| 6922060 |
Method for detecting partial conductor short circuits, and device for performing and using the method |
Jul. 26, 2005 |
| 6879164 |
Method and device for insulation monitoring of a DC network |
Apr. 12, 2005 |
| 6876203 |
Parallel insulation fault detection system |
Apr. 5, 2005 |
| 6864688 |
Apparatus and method of monitoring insulation of a DC network that is electrically insulated with respect to the ground potential of a device |
Mar. 8, 2005 |
| 6850112 |
Device for controlling a circuit generating reference voltages |
Feb. 1, 2005 |
| 6812712 |
Wire test method and apparatus |
Nov. 2, 2004 |
| 6806719 |
Insulation inspection apparatus for motor |
Oct. 19, 2004 |
| 6765390 |
Diagnostic wiring verification tester |
Jul. 20, 2004 |
| 6741081 |
Cable fault detector |
May. 25, 2004 |
| 6661235 |
Method and device for detecting a partial discharge in an electrical device |
Dec. 9, 2003 |
| 6636052 |
Apparatus and related methods for detecting insulation breakdown in insulated through-bolts in power generator |
Oct. 21, 2003 |
| 6621276 |
Termination assembly for power cable testing and methods for its use |
Sep. 16, 2003 |
| 6578256 |
Sub-harness and a sub-harness manufacturing apparatus |
Jun. 17, 2003 |
| 6507181 |
Arrangement and method for finding out the number of sources of partial discharges |
Jan. 14, 2003 |
| 6504382 |
Electrical system with a stress shield system for partial discharge on-line monitoring of the state of high-voltage insulation |
Jan. 7, 2003 |
| 6496015 |
Method of performing a dielectric voltage-withstand test on a wire harness |
Dec. 17, 2002 |
| 6489782 |
Electrical system with a stand-off insulator-sensor for on-line partial discharge monitoring of the state of high-voltage insulation |
Dec. 3, 2002 |
| 6486677 |
Conductivity testing method for a sub-harness and a sub-harness manufacturing apparatus |
Nov. 26, 2002 |
| 6433557 |
Electrical system with capacitance tap and sensor for on-line monitoring the state of high-voltage insulation and remote monitoring device |
Aug. 13, 2002 |
| 6424160 |
Testing insulation between conductors |
Jul. 23, 2002 |
| 6337570 |
Current loop comprising a test circuit |
Jan. 8, 2002 |
| 6313639 |
Method and configuration for identifying short circuits in low-voltage networks |
Nov. 6, 2001 |
| 6265880 |
Apparatus and method for detecting conduit chafing |
Jul. 24, 2001 |
| 6225811 |
Wire degradation testing system |
May. 1, 2001 |
| 6208149 |
Method and apparatus for monitoring electric insulation conditions in energized electric systems |
Mar. 27, 2001 |
| 5999004 |
Method of detecting a change in the property of a rubber member |
Dec. 7, 1999 |
| 5990687 |
Measuring shield breaks in coaxial cable by a sheath test current |
Nov. 23, 1999 |
| 5876122 |
Temperature sensor |
Mar. 2, 1999 |
| 5854556 |
Measurement system for partial discharges on dielectrics in coaxial cables |
Dec. 29, 1998 |
| 5696777 |
Device for the serial transmission of data between at least two terminals |
Dec. 9, 1997 |
| 5652521 |
Insulation monitoring system for insulated high voltage apparatus |
Jul. 29, 1997 |
| 5648725 |
Pulse width modulation simulator for testing insulating materials |
Jul. 15, 1997 |
| 5574378 |
Insulation monitoring system for insulated high voltage apparatus |
Nov. 12, 1996 |
| 5469067 |
Detecting partial discharge using a detection coil and analysis of output signal and noise frequency spectrums |
Nov. 21, 1995 |
| 5469066 |
Method and apparatus for measuring deterioration of power cable insulation |
Nov. 21, 1995 |
| 5457390 |
Circuit board manufacture |
Oct. 10, 1995 |
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