| 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) |
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| 12/05/1978 | US4128806 Device for checking the insulation of the leads connecting a generator to a receiver |
| 12/05/1978 | US4128805 Method and apparatus for locating a fault on a line |
| 12/05/1978 | US4128804 Ground fault defeat cable for high current static trip circuit breaker test sets |
| 12/05/1978 | US4128338 Modified optical transmission technique for characterizing epitaxial layers |
| 12/05/1978 | US4128174 High-speed integrated circuit handler |
| 12/05/1978 | CA1043864A1 Control system for battery plate stacking apparatus |
| 11/28/1978 | US4127888 Surge protector and test network for AC equipment |
| 11/28/1978 | US4127887 Safety test circuit for combustion control apparatus |
| 11/28/1978 | US4127847 Monitoring system for aircraft master switch |
| 11/28/1978 | US4127807 Hand-held circuit tester with lens arrangement for viewing indicator lamps housed within the tester |
| 11/28/1978 | US4127806 Shielded electrometer whose output is used to control width of pulses fed back to the shield and associated battery test circuitry |
| 11/28/1978 | US4127024 Battery voltage regulating and condition indicating circuit for measuring instruments |
| 11/21/1978 | US4126380 Probe with contact indicating means |
| 11/21/1978 | US4126033 Determination of thermal conductances of bonding layers in infrared photoconductor arrays |
| 11/14/1978 | US4125806 Non-destructive screening device for glass diode |
| 11/14/1978 | US4125763 Automatic tester for microprocessor board |
| 11/14/1978 | US4125440 Method for non-destructive testing of semiconductor articles |
| 10/31/1978 | US4123792 Circuit for monitoring the mechanical power from an induction motor and for detecting excessive heat exchanger icing |
| 10/31/1978 | US4122995 Asynchronous digital circuit testing system |
| 10/31/1978 | CA1041641A1 Telephone line testing system |
| 10/31/1978 | CA1041605A1 Technique and apparatus for measuring the value of a capacitance in an electrical circuit such as a telephone communication line |
| 10/24/1978 | US4122485 Method and apparatus for simulating magnetic environment of television receivers |
| 10/24/1978 | US4122383 Method and apparatus for measuring minority carrier lifetimes and bulk diffusion length in P-N junction solar cells |
| 10/24/1978 | CA1041225A1 High density wafer contacting and test system |
| 10/17/1978 | US4121152 Method and apparatus for tracing electrical cables |
| 10/17/1978 | CA1040712A1 Programmable tester |
| 10/10/1978 | US4119904 Low battery voltage detector |
| 10/10/1978 | CA1040270A1 Logic array with testing circuitry |
| 10/10/1978 | CA1040265A1 In-service technique for measuring transmission characteristics of a microwave radio link |
| 10/10/1978 | CA1040263A1 Method and apparatus for testing dc motors |
| 10/03/1978 | US4118664 Electrical trouble finding apparatus |
| 10/03/1978 | US4117713 Particulography as an on-line technique for detection and location of faults within a gas-cooled dynamoelectric machine caused by overheating |
| 10/03/1978 | CA1039836A1 Method and apparatus for fault testing multiple stage networks |
| 10/03/1978 | CA1039813A1 Logic network test system with simulator oriented fault test generator |
| 10/03/1978 | CA1039811A1 Multiconductor cable testing apparatus |
| 09/26/1978 | US4117463 Circuit fault detection apparatus for railroad track circuit redundant connections |
| 09/26/1978 | US4117400 Circuit for testing transistors or the like |
| 09/26/1978 | US4117398 Method and apparatus for measuring the filling effectiveness of a cable during filling |
| 09/26/1978 | US4117397 Non-destructive insulation test apparatus |
| 09/19/1978 | US4115736 Probe station |
| 09/19/1978 | US4115731 System for locating electrical shorts by tracking the paths of injected pulse currents utilizing a voltage differential responsive probe |
| 09/12/1978 | US4114096 Method of testing semiconductor devices |
| 09/12/1978 | US4114093 Network testing method and apparatus |
| 09/12/1978 | US4114091 Apparatus for matching wires in multiple wire conductors and attendant method |
| 09/12/1978 | US4114010 Test circuit and method for matching an induction load to a solid state power supply |
| 09/12/1978 | US4113223 Cross-movable carriage |
| 09/12/1978 | US4112748 Automatic portable solid state voltage regulator tester |
| 09/12/1978 | CA1038453A1 Means for detecting ground insulation failure for rotary electric machines |
| 09/05/1978 | US4112501 System and method for loading computer diagnostic programs |
| 09/05/1978 | US4112364 Circuit board testing apparatus |
| 09/05/1978 | US4112362 Method for the nondestructive testing of voltage limiting blocks |
| 09/05/1978 | US4112355 Quality and fit measuring apparatus for fasteners and their holes |
| 09/05/1978 | US4112354 Mobile bridge test apparatus and method utilizing a sub-power frequency test signal for cable system evaluation |
| 09/05/1978 | US4112353 Method for testing dielectric adequacy and for indicating physical defects in a nonconducting material by depositing traces of carbon on the material |
| 09/05/1978 | US4110880 Cable harness assembly and electrical testing machine |
| 09/05/1978 | CA1038079A1 Testing embedded arrays |
| 09/05/1978 | CA1038042A1 Programmable probe fixture and method of connecting units under test with test equipment |
| 09/05/1978 | CA1038041A1 Indicator lamp circuit having feedback protection |
| 08/29/1978 | US4110684 Method of detecting faults on low voltage distribution electric cables utilizing a plurality of transient recorders |
| 08/29/1978 | US4110683 Apparatus including a plurality of spaced transformers for locating short circuits in cables |
| 08/29/1978 | US4110572 Method and apparatus for testing transmission lines |
| 08/29/1978 | CA1037609A1 Apparatus and method for testing digital circuits |
| 08/22/1978 | US4109117 Range division multiplexing |
| 08/22/1978 | US4108360 Method of error analysis and diagnosis in electronic data processing systems |
| 08/22/1978 | US4108358 Portable circuit tester |
| 08/22/1978 | US4107987 Geothermal well pump performance sensing system and monitor therefor |
| 08/15/1978 | US4107778 Digital fault-location calculation system |
| 08/15/1978 | US4107651 Glitch detector |
| 08/15/1978 | US4107602 Probe means utilized with a pair of indicators for testing the wiring connections of a fuse receptacle |
| 08/15/1978 | US4106332 Recording monitor for structure faults |
| 08/08/1978 | US4106096 Derivative measurement by frequency mixing |
| 08/08/1978 | US4105970 Test pin |
| 08/08/1978 | US4105965 Static trip circuit breaker test set |
| 08/08/1978 | US4104785 Large-scale semiconductor integrated circuit device |
| 08/01/1978 | US4104589 Chuck for use in the testing of semiconductor wafers |
| 08/01/1978 | US4104582 System for localizing a spot along a conductor in which an impedance change such as a break or short circuit occurs |
| 08/01/1978 | US4104581 Method utilizing an automatic resettable circuit breaker for locating ground faults in a vehicle |
| 08/01/1978 | US4104580 Storage battery test apparatus to determine remaining stored charge therein |
| 08/01/1978 | US4104578 Portable digital ohmmeter |
| 07/25/1978 | US4103291 Leak sensor and indicating system for vacuum circuit interrupters |
| 07/25/1978 | US4103228 Method for determining whether holes in dielectric layers are opened |
| 07/25/1978 | US4103227 Ion-controlled diode |
| 07/25/1978 | US4103225 System and method for determining capacitance and cable length in the presence of other circuit elements |
| 07/25/1978 | US4103194 Voltage generators |
| 07/25/1978 | US4102491 Variable function digital word generating, receiving and monitoring device |
| 07/25/1978 | US4102039 Method of packaging electronic components |
| 07/18/1978 | US4101831 Load monitoring apparatus and method |
| 07/18/1978 | US4101830 Mercury probe |
| 07/18/1978 | US4101824 Test cell holder |
| 07/18/1978 | US4101823 Method and apparatus for measuring cathode emission slump |
| 07/18/1978 | US4101761 Timing pulse generator |
| 07/18/1978 | US4101743 Test circuit for a protective coupler |
| 07/11/1978 | US4100532 Digital pattern triggering circuit |
| 07/11/1978 | US4100531 Bit error rate measurement above and below bit rate tracking threshold |
| 07/11/1978 | US4100489 Electrical resistor testing fixture and testing chamber |
| 07/11/1978 | US4100486 Platinum silicide resistor |
| 07/11/1978 | US4100380 Supervisory circuit for monitoring speaker coils |
| 07/11/1978 | US4100327 Organo-sulfur composition for forming thermoparticulating coating |
| 07/11/1978 | US4099668 Monitoring circuit |
| 07/04/1978 | US4099240 Method and apparatus for programmable and remote numeric control and calibration of electronic instrumentation |