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Class Information
Number: 324/555
Name: Electricity: measuring and testing > Fault detecting in electric circuits and of electric components > Instruments and devices for fault testing
Description: Subject matter relating to apparatus and circuits for detecting defects in electric circuits or electric components.

Sub-classes under this class:

Class Number Class Name Patents
324/556 Having a lamp or light indicator 200

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8704529 Circuit test interface and test method thereof Apr. 22, 2014
8689436 Two abutting sections of an align fixture together floatingly engaging an electronic component Apr. 8, 2014
8680870 Energy-recycling burn-in apparatus for electronic ballasts and a method of burning-in electronic ballasts Mar. 25, 2014
8680884 Fault detection circuits for switched mode power supplies and related methods of operation Mar. 25, 2014
8659302 Monitoring and recoverable protection of thermostat switching circuitry Feb. 25, 2014
8648610 Signal input circuit and integrated circuit Feb. 11, 2014
8648609 Testing system and adapter thereof utilizing a common power supply and display device to test different main board circuits Feb. 11, 2014
8618810 Identifying fuel cell defects Dec. 31, 2013
8604798 Short-circuit detection for touch panels Dec. 10, 2013
8604815 Pin electronics circuit Dec. 10, 2013
8598898 Testing of high-speed input-output devices Dec. 3, 2013
8593153 Method of fault detection and rerouting Nov. 26, 2013
8587332 Electronic protection module Nov. 19, 2013
8587335 Methods for providing proper impedance matching during radio-frequency testing Nov. 19, 2013
8570049 Method and apparatus for measuring AC shield continuity for shielded twisted pair structured datacomm cable link Oct. 29, 2013
8570048 Inspection jig for display panel, inspection system using the same, and method for inspecting the display panel using the same Oct. 29, 2013
8564302 Test instruments for pulse TDR, step TDR and transmission analysis Oct. 22, 2013
8564307 Arc fault detector with circuit interrupter Oct. 22, 2013
8536892 System for testing transistor arrays in production Sep. 17, 2013
8538032 Electrical load detection apparatus Sep. 17, 2013
RE44455 Measuring array Aug. 27, 2013
8513954 Test circuit for resistor capacitor circuits Aug. 20, 2013
8508235 Electronic device and method for testing a circuit board Aug. 13, 2013
8508236 Electronic device and method for testing a circuit board Aug. 13, 2013
8499967 Methods and apparatus for dispensing solid articles Aug. 6, 2013
8493072 Method and apparatus for detecting a short circuit Jul. 23, 2013
8487636 Malfunction determining apparatus and malfunction determining method for charging system Jul. 16, 2013
8487637 Test arrangement for impulse voltage testing of electrical high-voltage components Jul. 16, 2013
8482309 Failure detecting method for a solar power generation system Jul. 9, 2013
8482297 System for testing power supply performance Jul. 9, 2013
8482289 Method for operating a power tool with a diagnostic device Jul. 9, 2013
8476907 Electronic device with power tester Jul. 2, 2013
8468690 Holding member for use in test and method for manufacturing same Jun. 25, 2013
8451010 Coupon board and manufacturing method of printed board May. 28, 2013
8441264 Station for detecting winding products and method for detecting inter-turn short circuit May. 14, 2013
8421476 Fan failure detector Apr. 16, 2013
8384395 Circuit for controlling temperature and enabling testing of a semiconductor chip Feb. 26, 2013
8384392 Methods and apparatus for continuous ground fault self test Feb. 26, 2013
8363924 Electronic device testing apparatus Jan. 29, 2013
8358140 Method for testing the functionality of a field device for an industrial process and field device for an industrial process Jan. 22, 2013
8349512 Multi-MEA test station and multi-MEA test method using the same Jan. 8, 2013
8344736 Identifying improper cabling of devices Jan. 1, 2013
8344737 Relay circuit tester device Jan. 1, 2013
8324909 Video signal analyzer Dec. 4, 2012
8299805 Evaluation device and evaluation system evaluating whether a required output is made from the device to be evaluated Oct. 30, 2012
8299935 Test apparatus and test method Oct. 30, 2012
8294604 Test system and method for analog-to-digital converter Oct. 23, 2012
8283933 Systems and methods for built in self test jitter measurement Oct. 9, 2012
8278937 High speed detection of shunt defects in photovoltaic and optoelectronic devices Oct. 2, 2012
8274295 Method for testing an electronics unit Sep. 25, 2012

1 2 3 4 5 6

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