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Class Information
Number: 324/527
Name: Electricity: measuring and testing > Fault detecting in electric circuits and of electric components > For fault location > By applying a test signal
Description: Subject matter where a test signal is applied to the conductor under test to locate the fault.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622931 |
Non-contact reflectometry system and method |
Nov. 24, 2009 |
| 7609068 |
System and method for particulate sensor diagnostic |
Oct. 27, 2009 |
| 7592924 |
Intelligent life testing methods and apparatus for leakage current protection |
Sep. 22, 2009 |
| 7594206 |
Fault detecting method and layout method for semiconductor integrated circuit |
Sep. 22, 2009 |
| 7589536 |
Systems and methods for determining the configuration of electronic connections |
Sep. 15, 2009 |
| 7586312 |
Power cycle test method for testing an electronic equipment |
Sep. 8, 2009 |
| 7557723 |
System and method for evaluating ground-fault circuit interrupters |
Jul. 7, 2009 |
| 7542858 |
Simulated battery logic testing device |
Jun. 2, 2009 |
| 7521937 |
Measurement circuit and test apparatus |
Apr. 21, 2009 |
| 7514937 |
Method and apparatus for interconnect diagnosis |
Apr. 7, 2009 |
| 7511507 |
Integrated circuit and circuit board |
Mar. 31, 2009 |
| 7511506 |
Semiconductor testing system and testing method |
Mar. 31, 2009 |
| 7489137 |
Power line induction of sheath test current to discover defective coaxial cable |
Feb. 10, 2009 |
| 7478298 |
Method and system for backplane testing using generic boundary-scan units |
Jan. 13, 2009 |
| 7467068 |
Method and apparatus for detecting dependability vulnerabilities |
Dec. 16, 2008 |
| 7451025 |
Test mode circuit and reset control method therefor |
Nov. 11, 2008 |
| 7447964 |
Difference signal path test and characterization circuit |
Nov. 4, 2008 |
| 7427867 |
Method and system for non-destructive evaluation of conducting structures |
Sep. 23, 2008 |
| 7423545 |
Failed filter arrest indicator and method for use in multiple arrester location |
Sep. 9, 2008 |
| 7408361 |
Detection circuit for measurement of test lead and using the same |
Aug. 5, 2008 |
| 7408362 |
Electronic package and method for testing the same |
Aug. 5, 2008 |
| 7403129 |
Electrical switching apparatus and method employing acoustic and current signals to distinguish between parallel and series arc faults |
Jul. 22, 2008 |
| 7385410 |
Method of and apparatus for testing for integrated circuit contact defects |
Jun. 10, 2008 |
| 7358744 |
Method for testing the serviceability of transducers |
Apr. 15, 2008 |
| 7345366 |
Apparatus and method for testing component built in circuit board |
Mar. 18, 2008 |
| 7332914 |
Conductor inspection apparatus and conductor inspection method |
Feb. 19, 2008 |
| 7324913 |
Methods and apparatus for testing a link between chips |
Jan. 29, 2008 |
| 7320115 |
Method for identifying a physical failure location on an integrated circuit |
Jan. 15, 2008 |
| 7279996 |
Method of functionality testing for a ring oscillator |
Oct. 9, 2007 |
| 7276914 |
System and method for guided TDR/TDT computerized tomography |
Oct. 2, 2007 |
| 7274352 |
Combining detection circuit for a display panel |
Sep. 25, 2007 |
| 7272528 |
Reloadable word recognizer for logic analyzer |
Sep. 18, 2007 |
| 7271597 |
Electronic device, transmission system, and method for determining connection condition |
Sep. 18, 2007 |
| 7271577 |
Testing loop impedance in an RCCB electrical test circuit |
Sep. 18, 2007 |
| 7268559 |
Intelligent life testing methods and apparatus for leakage current protection |
Sep. 11, 2007 |
| 7265555 |
Loop impedance meter |
Sep. 4, 2007 |
| 7263174 |
Predicting performance of telephone lines for data services |
Aug. 28, 2007 |
| 7259565 |
Testing an electrical switchgear system |
Aug. 21, 2007 |
| 7253629 |
Circuit protection device with grounded neutral half cycle self test |
Aug. 7, 2007 |
| 7250770 |
Semiconductor integrated circuit device |
Jul. 31, 2007 |
| 7245129 |
Apparatus for and method of cable diagnostics utilizing time domain reflectometry |
Jul. 17, 2007 |
| 7242196 |
Power supply controller apparatus for detecting welding of contactors |
Jul. 10, 2007 |
| 7233152 |
Short detection circuit and short detection method |
Jun. 19, 2007 |
| 7197693 |
Connection verification apparatus for verifying interconnection between multiple logic blocks |
Mar. 27, 2007 |
| 7180300 |
System and method of locating ground fault in electrical power distribution system |
Feb. 20, 2007 |
| 7174279 |
Test system with differential signal measurement |
Feb. 6, 2007 |
| 7170296 |
Loop impedance meter |
Jan. 30, 2007 |
| 7167030 |
Drive circuit and method of applying high voltage test thereon |
Jan. 23, 2007 |
| 7154280 |
Apparatus and method for communications testing |
Dec. 26, 2006 |
| 7151367 |
Method of measuring duty cycle |
Dec. 19, 2006 |
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