| 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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| 08/08/1990 | EP0381448A2 Apparatus and method for changing frequencies |
| 08/08/1990 | EP0380979A2 Phased locked loop to provide precise frequency and phase tracking of two signals |
| 08/08/1990 | CN1044538A Method of testing connecting and/or switching devices and/or lines |
| 08/07/1990 | US4947469 Resistive fault location method and device for use on electrical cables |
| 08/07/1990 | US4947395 Bus executed scan testing method and apparatus |
| 08/07/1990 | US4947392 Malfunction diagnostic apparatus for vehicle control system |
| 08/07/1990 | US4947357 Scan testing a digital system using scan chains in integrated circuits |
| 08/07/1990 | US4947124 Method for charging a nickel-cadmium accumulator and simultaneously testing its condition |
| 08/07/1990 | US4947123 Battery state monitoring apparatus |
| 08/07/1990 | US4947113 Driver circuit for providing pulses having clean edges |
| 08/07/1990 | US4947112 Apparatus and method for testing printed circuit boards |
| 08/07/1990 | US4947110 Test apparatus to check conditions and characteristics of power and communication networks |
| 08/07/1990 | US4947106 Programmatically generated in-circuit test of analog to digital converters |
| 08/07/1990 | US4947105 Method and circuit for testing integrated circuit modules |
| 08/07/1990 | US4945760 Combined motor tester and pulse train monitor for stepper motors |
| 08/07/1990 | CA1272528A1 Pressure control apparatus for use in an integrated circuit testing station |
| 08/07/1990 | CA1272509A1 Diagnostic system for a digital processor |
| 08/02/1990 | DE3902860A1 Method for rationalising the production and testing sequence of electrical cables |
| 08/02/1990 | DE3902835A1 Verfahren zur erzeugung von pruefmustern fuer einen baustein Method for test pattern generation for a block |
| 08/01/1990 | EP0380161A1 Method of testing a circuit, and circuit suitable for such a method |
| 08/01/1990 | EP0379865A2 Specimen examination method for a corpuscular-beam apparatus |
| 08/01/1990 | EP0379695A1 Method of testing transmission and/or switching equipment and/or lines |
| 08/01/1990 | EP0185685B1 Electrical continuity testing |
| 08/01/1990 | CN2059993U Dual comparison type conductor monitor |
| 08/01/1990 | CN2059992U Car test pencil |
| 08/01/1990 | CN1009032B Dielectric detecting apparatus for gas dielectric equipment |
| 07/31/1990 | US4945536 Method and apparatus for testing digital systems |
| 07/31/1990 | US4945302 Process and a circuit board for performing tests during burn-in of integrated semi-conductor circuits |
| 07/31/1990 | US4944447 Bonding verification process incorporating test patterns |
| 07/26/1990 | WO1990008328A2 Method and apparatus for controlling an equipped printed circuit card, particularly for controlling the welding seams of the card |
| 07/26/1990 | DE3901277A1 Circuit arrangement for measuring earth leakage faults in an electronic control for mining machines |
| 07/25/1990 | EP0379155A2 Large scale integration circuit device |
| 07/25/1990 | EP0378631A1 System for detecting free particles in a component housing and detection process. |
| 07/25/1990 | EP0189777B1 Particle beam measuring method for the contactless testing of circuit networks |
| 07/25/1990 | CN1044167A Arrangement and method for testing ground wire of electrical apparatus |
| 07/25/1990 | CN1008946B Method and apparatus for on-line measuring transistor |
| 07/24/1990 | US4943888 Electronic circuit breaker using digital circuitry having instantaneous trip capability |
| 07/24/1990 | US4943769 Apparatus and method for opens/shorts testing of capacitively coupled networks in substrates using electron beams |
| 07/24/1990 | US4943020 For manually positioning an object in space/maintaining position |
| 07/24/1990 | CA1271997A1 Electron beam test probe for integrated circuit testing |
| 07/19/1990 | CA2003916A1 Electrical outlet monitor |
| 07/18/1990 | EP0378325A2 Circuit test method and apparatus |
| 07/18/1990 | EP0377854A1 Test and measurement stand for an electromechanical converter |
| 07/18/1990 | CN2059506U Indicator for short-circuit failure |
| 07/18/1990 | CN1043993A Potential testing device for single-end connect insulator |
| 07/18/1990 | CN1008848B Measuring melthod for effective address of mass storage |
| 07/17/1990 | US4942609 Electronic flying integrity tester for disk drives |
| 07/17/1990 | US4942577 Logic circuit system with latch circuits for reliable scan-path testing |
| 07/17/1990 | US4942576 Badbit counter for memory testing |
| 07/17/1990 | US4942357 Method of testing CCD's to detect the size of barriers and pockets |
| 07/17/1990 | CA1271849A1 Electron beam testing of semiconductor wafers |
| 07/17/1990 | CA1271841A1 Resonant loop current perturbing probe |
| 07/17/1990 | CA1271833A1 Acoustic monitor for rotary electrical machinery |
| 07/17/1990 | CA1271820A1 Method and apparatus for testing the operability of a probe |
| 07/12/1990 | WO1990007813A1 Process for monitoring short-circuits in a voltage circuit inverter |
| 07/11/1990 | EP0377455A2 Test mode switching system for LSI |
| 07/11/1990 | EP0377277A1 Method and apparatus for detection and location of insulation defects |
| 07/11/1990 | EP0377094A1 Apparatus and method for testing the condition of a car battery |
| 07/11/1990 | EP0376967A1 Battery state of charge indicator. |
| 07/11/1990 | CN1043789A Extraneous frequency detector |
| 07/10/1990 | US4941115 Hand-held tester for communications ports of a data processor |
| 07/10/1990 | US4940934 Method of electrically testing active matrix substrate |
| 07/10/1990 | US4940933 Fiber optic arc monitor |
| 07/10/1990 | US4940932 Method and apparatus for testing dynamoelectric machine rotors |
| 07/10/1990 | US4940909 Configuration control circuit for programmable logic devices |
| 07/10/1990 | US4940391 Compressor surge detection system |
| 07/10/1990 | US4939928 Method of determining the continuity of solenoids in an electronic automatic transmission system |
| 07/10/1990 | CA1271565A1 Adaptor in apparatus for electronically testing printed circuit boards |
| 07/05/1990 | DE3900040A1 Method for electrically testing conductor tracks for short circuits |
| 07/05/1990 | DE3900035A1 Device for electrically testing conductor tracks for short circuits |
| 07/04/1990 | EP0376782A1 Apparatus for measuring an electrical variable of chip-type electronic components |
| 07/04/1990 | EP0376781A1 Automatic testing station for chip-type electronic components |
| 07/04/1990 | EP0376515A1 A method of displaying acquired data |
| 07/04/1990 | EP0376165A2 Method for manufacturing a liquid crystal display device |
| 07/04/1990 | EP0375984A1 Capacitor power probe |
| 07/04/1990 | EP0375919A2 Calculating AC chip performance using the LSSD scan path |
| 07/04/1990 | EP0375908A2 Method and structure for implementing dynamic chip burn-in |
| 07/04/1990 | CN2058995U Low-frequency testing device for dc system grand connecting position |
| 07/04/1990 | CN2058994U Multi-function testing pen for circuit discontinuities |
| 07/04/1990 | CN1043571A Current sensing |
| 07/03/1990 | US4939677 Timing-signal delay equipment |
| 07/03/1990 | US4939621 Devices for regulating the temperature of an element by blowing a gas at appropriate temperature |
| 07/03/1990 | US4939505 Monitoring and warning system for series-fed runway visual aids |
| 07/03/1990 | US4939502 Device and method of fail-safe control for electronically controlled automatic transmission |
| 07/03/1990 | US4939469 Non-destructive method for evaluation of printed wiring boards |
| 07/03/1990 | US4939458 Method and apparatus for quantifying superconductivity |
| 07/03/1990 | US4939453 Probe for use with circuitry for monitoring signals emanating from heated tip of soldering iron or solder extractor or the like |
| 07/03/1990 | US4939452 Arrangement for testing printed-circuit boards |
| 07/03/1990 | US4939446 Voltage transmission link for testing EMI susceptibility of a device or circuits |
| 07/03/1990 | US4939396 Detector circuit |
| 07/03/1990 | US4939391 Programmable logic device with observability and preload circuitry for buried state registers |
| 07/03/1990 | US4939389 VLSI performance compensation for off-chip drivers and clock generation |
| 07/03/1990 | CA1271265A1 Lead sense system for component insertion machine |
| 07/03/1990 | CA1271263A1 Mounting bracket for test probes |
| 06/28/1990 | WO1990007229A1 Process and installation for the control of electro-mechanical converters |
| 06/28/1990 | WO1990007214A1 Method and apparatus for protecting electrical systems |
| 06/28/1990 | WO1990007153A1 Redundancy and testing techniques for ic wafers |
| 06/28/1990 | WO1990007127A1 Device for automatically ascertaining capacitance, dissipation factor and insulation resistance of a plurality of capacitors |
| 06/28/1990 | DE3843507A1 Method for measuring a pulsed current in an inductive load and device for carrying out the method |
| 06/27/1990 | EP0375285A2 Extraneous frequency detector |