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Class Information
Number: 324/514
Name: Electricity: measuring and testing > Fault detecting in electric circuits and of electric components > For fault location > Where component moves while under test > By exposing component to liquid or gas while under test
Description: Subject matter where the component under test is immersed, passes through, or contacts a liquid or gas while a test is being made.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7489140 |
Apparatus, method and system for spark testing an insulated cable |
Feb. 10, 2009 |
| 6995565 |
Thermographic wiring inspection |
Feb. 7, 2006 |
| 6882156 |
Printed circuit board assembly for automatic test equipment |
Apr. 19, 2005 |
| 6803770 |
Wireless multiconductor cable test system and method |
Oct. 12, 2004 |
| 6744373 |
Portable gas alarm device |
Jun. 1, 2004 |
| 6661234 |
Failure determining apparatus of gas-insulated electrical appliance |
Dec. 9, 2003 |
| 6593749 |
Wafer level method for probing micromechanical devices |
Jul. 15, 2003 |
| 6593759 |
Apparatuses and methods for determining if protective coatings on semiconductor substrate holding devices have been compromised |
Jul. 15, 2003 |
| 6583627 |
Process and apparatus for testing multi-layer composites and containers produced therefrom |
Jun. 24, 2003 |
| 6566887 |
Method and device for detecting and locating insulation/isolation defects between conductors |
May. 20, 2003 |
| 6566886 |
Method of detecting crystalline defects using sound waves |
May. 20, 2003 |
| 6498495 |
Method and apparatus for testing fuel gas control systems for gas fired appliances |
Dec. 24, 2002 |
| 6459270 |
Method for testing high voltage breakdown and leakage current of electrical cables |
Oct. 1, 2002 |
| 6411110 |
Apparatuses and methods for determining if protective coatings on semiconductor substrate holding devices have been compromised |
Jun. 25, 2002 |
| 6355936 |
Circuit for electrical insulation between a two-way bus and a peripheral circuit |
Mar. 12, 2002 |
| 6224746 |
Method and device for testing the quality of a sheet-like element comprising a membrane |
May. 1, 2001 |
| 6181139 |
Method and apparatus for testing the insulating ability of an insulation on an electric conductor |
Jan. 30, 2001 |
| 5936408 |
Simplified contactless test of MCM thin film I/O nets using a plasma |
Aug. 10, 1999 |
| 5818239 |
Simplified contactless test of MCM thin film I/O nets using a plasma |
Oct. 6, 1998 |
| 5760590 |
Cable integrity tester |
Jun. 2, 1998 |
| 5638003 |
Method and apparatus for testing surface breakdown of dielectric materials caused by electrical tracking |
Jun. 10, 1997 |
| 5457389 |
Method of testing substrate for liquid jet recording head |
Oct. 10, 1995 |
| 5443712 |
Device for detecting pollutant traces in an aqueous medium |
Aug. 22, 1995 |
| 5200737 |
System and method for detecting partial discharge of gas-insulated switchgear |
Apr. 6, 1993 |
| 5146170 |
Method and apparatus for locating an abnormality in a gas-insulated electric device |
Sep. 8, 1992 |
| 5039938 |
Phosphor glow testing of hybrid substrates |
Aug. 13, 1991 |
| 5032795 |
Defect position locator for cable insulation monitoring |
Jul. 16, 1991 |
| 5015959 |
Sense wire signal enhancements for insulation defect detection |
May. 14, 1991 |
| 4970461 |
Method and apparatus for non-contact opens/shorts testing of electrical circuits |
Nov. 13, 1990 |
| 4967149 |
Drive device for an apparatus for electrical function testing of wiring matrices |
Oct. 30, 1990 |
| 4919766 |
Inspection of electrodes having activated layers |
Apr. 24, 1990 |
| 4914395 |
Method and apparatus for detecting pinhole |
Apr. 3, 1990 |
| 4912418 |
Method and device for detecting the location of a fault within a dielectric layer of an electrically conducting pipe |
Mar. 27, 1990 |
| 4891597 |
Synchronous detection and location of insulation defects |
Jan. 2, 1990 |
| 4846936 |
Method and apparatus for measuring metal exposure in resin covering portion in metal container and constituent member thereof |
Jul. 11, 1989 |
| 4810971 |
Apparatus for dielectric testing of gloves |
Mar. 7, 1989 |
| 4777444 |
Method and apparatus for testing the integrity of an electrode in a potentiometric measuring electrode system |
Oct. 11, 1988 |
| 4631693 |
System for monitoring the operation of output transducers of a central control and monitoring unit for machines and/or devices usable in production and/or product packaging lines |
Dec. 23, 1986 |
| 4600878 |
Apparatus for testing electrical microprinted circuits utilizing ionizing gas for providing electrical connections |
Jul. 15, 1986 |
| 4583040 |
Testing apparatus for electrical characteristics of sheet-like insulating materials |
Apr. 15, 1986 |
| 4558273 |
Apparatus for the inspection of electrodeposited electrically insulating coatings |
Dec. 10, 1985 |
| 4517510 |
Apparatus for testing the insulation of electric wire or cable |
May. 14, 1985 |
| 4510435 |
Apparatus for electrically testing multi-core cables |
Apr. 9, 1985 |
| 4507605 |
Method and apparatus for electrical and optical inspection and testing of unpopulated printed circuit boards and other like items |
Mar. 26, 1985 |
| 4473795 |
System for resist defect measurement |
Sep. 25, 1984 |
| 4379992 |
Printed circuit board electronic tester |
Apr. 12, 1983 |
| 4339708 |
Testing apparatus for dielectric breakdown caused by tracking phenomena |
Jul. 13, 1982 |
| 4240026 |
Detection of faults in the insulation of an electrical conductor using a liquid electrolyte |
Dec. 16, 1980 |
| 4189367 |
Method for testing ion selective electrodes in continuous measuring systems |
Feb. 19, 1980 |
| 4165270 |
Circuit integrity tester |
Aug. 21, 1979 |
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