| 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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| 03/21/1984 | EP0103322A1 Bi-directional switching circuit |
| 03/21/1984 | EP0103182A1 Device for monitoring the valves of a power converter of an alternating voltage power converter |
| 03/20/1984 | US4438403 Fault indicator with combined trip and reset winding |
| 03/20/1984 | US4438389 Method for utilizing three-dimensional radiated magnetic field gradients for detecting serving faults in buried cables |
| 03/20/1984 | CA1164067A1 Sensor fault detection by activity monitoring |
| 03/20/1984 | CA1164050A1 Automatic test equipment isolated test point detection method |
| 03/20/1984 | CA1164048A1 Monitoring device for the capacitor battery of a d-c filter circuit |
| 03/20/1984 | CA1164047A1 Method and apparatus for determining the rotor resistance of an asynchronous machine |
| 03/20/1984 | CA1164046A1 Variable impedance circuit |
| 03/15/1984 | WO1984001034A1 Photoluminescence method of testing double heterostructure wafers |
| 03/15/1984 | WO1984001033A1 Test circuit for fault current protection circuits |
| 03/14/1984 | EP0102565A2 Method and device for the electrical testing of micro-wirings |
| 03/14/1984 | EP0102428A1 Method and system for testing and sorting batteries |
| 03/13/1984 | US4437060 Method for deep level transient spectroscopy scanning and apparatus for carrying out the method |
| 03/13/1984 | US4437056 Cab signal test set for automatically testing the pickup coils and checking an amplifier of cab signal equipment |
| 03/13/1984 | US4437054 Adaptor to facilitate testing of a lamp holder |
| 03/13/1984 | US4436699 Carbon filters, detectors |
| 03/13/1984 | US4436619 Method of sorting semiconductor devices and apparatus for performing this method |
| 03/13/1984 | CA1163721A1 Apparatus for the dynamic in-circuit testing of electronic digital circuit elements |
| 03/13/1984 | CA1163465A1 Rapid insulation resistance test for bismuth- containing ceramic capacitor |
| 03/07/1984 | EP0102217A1 Electronic test head positioner for test systems |
| 03/07/1984 | EP0102166A1 Method for terminating phase-matched semirigid coaxial cable |
| 03/07/1984 | EP0101773A1 Method and device for measuring the slip of a motor |
| 03/06/1984 | US4435806 Digital signal processing device |
| 03/06/1984 | US4435805 Testing of logic arrays |
| 03/01/1984 | WO1984000834A1 Method and apparatus for bus fault location |
| 02/28/1984 | US4434489 Automatic test systems |
| 02/28/1984 | US4434488 Logic analyzer for a multiplexed digital bus |
| 02/28/1984 | US4434401 Apparatus for testing semiconductor devices and capacitors |
| 02/28/1984 | CA1163022A1 Apparatus for recording pulse height distribution in a fluorescent x-ray film thickness meter |
| 02/21/1984 | US4433414 Digital tester local memory data storage system |
| 02/21/1984 | US4433295 Process and apparatus for determining the state of charge of a battery |
| 02/21/1984 | US4433294 Method and apparatus for testing a battery |
| 02/21/1984 | US4433293 Method and apparatus for detecting abnormal conditions of circuit breakers |
| 02/21/1984 | US4433288 Method and apparatus for determining minority carrier diffusion length in semiconductors |
| 02/21/1984 | US4433278 Battery state of charge evaluator system |
| 02/21/1984 | CA1162611A1 Diode faults detecting apparatus |
| 02/21/1984 | CA1162610A2 Analyzing electrical circuit boards |
| 02/21/1984 | CA1162609A2 Analyzing electrical circuit boards |
| 02/16/1984 | WO1984000626A1 Function diagnosis system |
| 02/16/1984 | WO1984000625A1 Function diagnosis system |
| 02/15/1984 | EP0100694A1 Insulated cable for conveying electrical energy, especially at a high voltage, and device for detecting faults in such a cable |
| 02/15/1984 | EP0100396A1 Determination of true electrical channel length of surface FET |
| 02/15/1984 | EP0100313A1 Device and method for automatically checking microprocessor-controlled electric apparatus, particularly in motor vehicles. |
| 02/14/1984 | US4432041 Smoke penetrating emergency light |
| 02/14/1984 | US4432037 Multi-layer printed circuit board and method for determining the actual position of internally located terminal areas |
| 02/14/1984 | US4431967 Method of mounting a semiconductor element for analyzing failures thereon |
| 02/14/1984 | US4431961 Turnable electrode |
| 02/14/1984 | CA1162243A1 Test pin |
| 02/07/1984 | US4430683 Ground fault detecting device for use with a DC circuit |
| 02/07/1984 | US4430610 In an electrical apparatus |
| 01/31/1984 | US4429362 Data buffer operating in response to computer halt signal |
| 01/31/1984 | US4429275 Handling and test apparatus for radial lead electronic devices |
| 01/31/1984 | US4429274 Wire locator device having a diode matrix board with light pair indicators |
| 01/31/1984 | US4428224 Apparatus and method for testing of a rotary movement-electrical signal transducer system |
| 01/31/1984 | CA1161521A1 Control circuit and fuel burner incorporating a control circuit |
| 01/31/1984 | CA1161499A1 Testing circuit for fuel burner controls |
| 01/31/1984 | CA1161498A1 Device for determination of the output torque of an asynchronous motor |
| 01/25/1984 | EP0099181A1 Measuring instrument having low charge detector |
| 01/24/1984 | US4428060 Shift register latch circuit means for check and test purposes and contained in LSI circuitry conforming to level sensitive scan design (LSSD) rules and techniques |
| 01/24/1984 | US4427940 Electromagnetic inspecting apparatus for magnetizable wire rope |
| 01/24/1984 | US4427937 Method of measuring time constant using a spectrum analyzer |
| 01/24/1984 | US4427496 Method for improving the inspection of printed circuit boards |
| 01/24/1984 | US4427250 Printed circuit board test fixture with compliant platen |
| 01/24/1984 | US4426773 Array of electronic packaging substrates |
| 01/18/1984 | EP0098399A2 Test circuitry for determining turn-on and turn-off delays of logic circuits |
| 01/17/1984 | US4426619 Electrical testing system including plastic window test chamber and method of using same |
| 01/17/1984 | US4426583 Electron beam potential switching apparatus |
| 01/17/1984 | US4425791 Computer based engine analyzer with hardware cylinder counter |
| 01/11/1984 | EP0097781A1 Testing method for high speed logic designs using low speed tester |
| 01/10/1984 | US4425643 Multi-speed logic analyzer |
| 01/10/1984 | US4425544 Dual-gate deep-depletion technique for carrier-generation-lifetime measurement |
| 01/10/1984 | US4425541 Apparatus for identifying defective electric power distribution capacitors |
| 01/03/1984 | US4424581 Logic circuit with a test capability |
| 01/03/1984 | US4424491 Automatic voltage imbalance detector |
| 01/03/1984 | US4424480 Process for the measurement of the specific capacity of a cable and a device for carrying out the process |
| 01/03/1984 | US4424479 Loop fault location |
| 01/03/1984 | CA1159902A1 Fault indicating circuit for an automotive alternator battery charging system |
| 12/28/1983 | EP0096950A1 Method of investigating electrical components as to structural flaws |
| 12/27/1983 | US4423509 Method of testing a logic system and a logic system for putting the method into practice |
| 12/27/1983 | US4423379 Battery testing techniques |
| 12/27/1983 | US4423378 Automotive battery test apparatus |
| 12/27/1983 | US4423367 Device for determining the parameter values for stator resistance, principal inductance and leakage inductance of an asynchronous machine |
| 12/21/1983 | EP0096167A1 Clock driver |
| 12/21/1983 | EP0096049A1 A device for testing circuit breakers |
| 12/21/1983 | EP0096033A1 Insulation analyzer apparatus and method of use. |
| 12/21/1983 | EP0096027A1 Branched labyrinth wafer scale integrated circuit. |
| 12/20/1983 | US4422040 Method of testing stepping motors |
| 12/20/1983 | CA1159104A1 Programmable power line interrupter |
| 12/13/1983 | US4420207 Socket having means of no-load engaging with and releasing from electronic unit |
| 12/13/1983 | CA1158776A1 Programmable sequence generator for in-circuit digital testing |
| 12/13/1983 | CA1158715A1 Battery testing apparatus |
| 12/08/1983 | WO1983004315A1 Integrated circuit test apparatus |
| 12/07/1983 | EP0095956A1 Method of measuring the distance of a fault on a line, taking into account the distributed capacitances |
| 12/07/1983 | EP0095881A1 A method for analyzing complex signals |
| 12/07/1983 | EP0095864A1 IC tester using an electron beam capable of easily setting a probe card unit for wafers & packaged IC's to be tested |
| 12/07/1983 | EP0095706A1 Programmable logic array according to the ECL technique |
| 12/07/1983 | EP0095517A1 Process and device for an automatic optical inspection |
| 12/06/1983 | US4419625 Determining asynchronous motor couple |
| 12/06/1983 | US4419621 Monitoring system for the capacitor batteries of a three-phase filter circuit |