Patents
Patents for G01R 31 - Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere (152,264)
06/1976
06/01/1976US3961241 Emission testing circuit for color cathode ray tubes
06/01/1976US3961224 Transient-free isolation monitor
05/1976
05/25/1976US3959722 Integrated circuit for control of the transient recovery voltage in direct and synthetic testing of high voltage circuit breakers
05/18/1976US3958110 Logic array with testing circuitry
05/11/1976US3956720 Storage battery analyzer
05/11/1976US3956698 Contactless test method for integrated circuits
05/04/1976US3954175 Adjustable integrated circuit carrier
04/1976
04/27/1976US3953797 Electronic equipment assembly comprising plug-in modules and test bars
04/27/1976US3953796 Method and apparatus for measuring electrical conductivity
04/27/1976US3953791 Apparatus for and method for testing the number of turns on a coil
04/27/1976US3952410 Probe card including a multiplicity of probe contacts and method of making
04/20/1976US3952244 Tester for three wire grounding electrical outlet
04/20/1976US3952211 System for controlling the threshold setting of a field effect memory device
04/13/1976US3950742 Adjustable line isolation monitor
04/13/1976US3950656 State detecting apparatus
04/13/1976US3950630 Commutator terminal machine and method
04/06/1976US3949295 Apparatus for retaining articles in an array for testing
03/1976
03/30/1976US3947764 Method and apparatus for testing DC motors
03/30/1976US3947759 Leakage current monitoring system and method
03/30/1976US3947758 Disc thermostat test system and method
03/30/1976US3946573 Electrical diagnostic system for refrigeration apparatus
03/23/1976US3946310 Logic test unit
03/23/1976US3946299 Battery state of charge gauge
03/23/1976US3946216 Electronic calculator system having serial transfer of instruction word fields to decode arrays
03/16/1976US3944995 Device for detecting short-circuit between electrodes in electrolytic cell
03/16/1976US3944914 Fault detection method and apparatus for multiconductor cables
03/09/1976US3943504 Electric motor direction indicating device
03/09/1976US3943442 Method and apparatus for measurement of trap density and energy distribution in dielectric films
03/09/1976US3943439 Capacitor test apparatus and method
03/09/1976US3943305 Telephone line control system
03/02/1976US3942111 Method and apparatus for testing electric motors
03/02/1976US3942108 Digital test instrument
03/02/1976US3942103 Arrangement for the testing of high voltage direct current switches
02/1976
02/24/1976US3940679 Nickel-cadmium battery monitor
02/17/1976US3939415 Method of and device for measuring life time of carriers of semiconductor
02/17/1976US3939405 Apparatus and method for making decay rate measurements
02/17/1976US3939400 Battery test unit for testing batteries while stored in a cassette-type package
02/17/1976US3939398 Indicator lamp circuit having feedback protection
02/17/1976US3939381 Universal burn-in fixture
02/17/1976US3939347 Two dimensional display of detector response
02/10/1976US3938150 Microwave amplifier tube coherency test set
02/10/1976US3938034 Gas tube tester
02/10/1976US3938021 Battery charging circuit with full-charge cutoff
02/03/1976US3936744 Automotive alternator and solid state regulator tester
02/03/1976US3936743 High speed precision chuck assembly
02/03/1976US3936732 Traveling wave tube body current sensor
02/03/1976US3936730 Insulation test apparatus including improved means for simultaneous display
01/1976
01/20/1976US3934233 Read-only-memory for electronic calculator
01/20/1976US3934199 Method of testing an electrical circuit
01/20/1976US3934195 Portable electric capacitor tester using an LED indicator
01/20/1976US3934194 Solid state flyback transformer checker
01/20/1976US3934188 Self-testing battery discharge indicator
01/13/1976US3932846 Electronic calculator having internal means for turning off display
01/13/1976US3932812 Motor speed indicator
01/13/1976US3932811 Method and apparatus for testing windings or the like
01/13/1976US3932806 Surge comparison type coil tester
01/13/1976US3932797 Self-testing battery discharge indicator
01/13/1976US3932790 Ground fault interrupter with reversed line polarity lamp indicator
01/06/1976US3931574 Device and method of wire wrap (or other electrical interconnection between I.C. sockets) checkout
01/06/1976US3931506 Programmable tester
01/06/1976US3931502 Method and apparatus for localization of failures on electrical lines
01/06/1976US3930993 Capacitor testing and sorting apparatus
01/06/1976US3930809 Assembly fixture for fixed point probe card
01/06/1976US3930307 Assembly of wiring harness