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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12/26/1989 | US4889242 Device for testing and sorting electronic components, more particularly integrated circuit chips |
12/26/1989 | US4889000 Electric generator inspection system and motor controller |
12/26/1989 | US4888996 DC motor operated valve remote monitoring system |
12/20/1989 | EP0347162A2 Apparatus and methods for controlling data flow processes by generated instruction sequences |
12/20/1989 | EP0346970A1 Circuit for measuring capacity of battery |
12/20/1989 | EP0346404A1 Process for determining the energy content of an electrochemical storage battery |
12/20/1989 | EP0346386A1 Electro-optic measurement (network analysis) system |
12/20/1989 | CN2049776U Digital display type apparatus for cable wires identifying |
12/20/1989 | CN1038179A Control system and device for contactor appratus |
12/20/1989 | CN1038178A Control and testing system for installation using contactors |
12/20/1989 | CN1038169A Method of and apparatus for detecting short-circuit between sheets of pile sheet cores |
12/19/1989 | US4888716 Life diagnosis apparatus for automotive battery |
12/19/1989 | US4888715 Semiconductor test system |
12/19/1989 | US4888549 System for testing individually a plurality of disk drive units |
12/19/1989 | US4888548 Programmatically generated in-circuit test of digital to analog converters |
12/19/1989 | US4887969 IC socket |
12/14/1989 | WO1989012379A1 System for detecting free particles in a component housing and detection process |
12/14/1989 | WO1989012344A1 Microprocessor based recharger for lithium secondary system |
12/14/1989 | WO1989012289A1 Methods, systems and apparatus for detecting changes in variables |
12/14/1989 | WO1989012273A1 Testing method |
12/14/1989 | WO1989012268A1 Control and monitoring circuit for electrical seat heaters, in particular in motor vehicles |
12/13/1989 | EP0346166A1 Apparatus for the regulation of the temperature of a component by blowing a gas at the appropriate temperature |
12/13/1989 | EP0345702A2 Process for investigating the latch-up extension in CMOS circuits |
12/13/1989 | EP0345701A2 Process for investigating the latch-up extension in CMOS circuits |
12/13/1989 | EP0345390A1 Improvement in or Relating to Jitter Circuits |
12/13/1989 | CN2049365U Tester for low-voltage leakage protective device |
12/12/1989 | US4887279 Timing measurement for jitter display |
12/12/1989 | US4887267 Logic integrated circuit capable of simplifying a test |
12/12/1989 | US4887215 Method of examining operation of electronic control system for internal combustion engines |
12/12/1989 | US4887203 Microcoded processor executing microroutines with a user specified starting microaddress |
12/12/1989 | US4887041 Method and instrumentation for the detection, location and characterization of partial discharges and faults in electric power cables |
12/12/1989 | US4887031 Method and apparatus for detecting and imaging measuring points that have a defined signal progression |
12/12/1989 | US4887030 Testing device for electrical circuit boards |
12/12/1989 | US4887026 Voltage detector for detecting a voltage developing in a selected area of an object |
12/07/1989 | DE3917795A1 Ladegeraet zum wiederaufladen einer sekundaerzelle mit einer li-cucl(pfeil abwaerts)2(pfeil abwaerts)-verknuepfung Charger to recharge a sekundaerzelle with a li-CuCl (Down Arrow) 2 (down arrow) link |
12/06/1989 | EP0344869A1 Regulating circuit for an electrically heated seat, especially one for automotive vehicles |
12/06/1989 | EP0344834A1 Electronic module comprising substrate elements |
12/06/1989 | EP0344558A2 Method and apparatus for detecting short circuits in stacks of iron plates |
12/06/1989 | EP0344271A1 System and method for testing digital electronic circuits |
12/05/1989 | US4885712 Method and apparatus for partial test-cause generation |
12/05/1989 | US4885534 Direct measurement of photodiode impedance using electron beam probing |
12/05/1989 | US4885532 Apparatus for testing multiphase outlet with visual indication of phase energization, phase rotation, and supply voltage |
12/05/1989 | US4885523 Battery conditioning system having communication with battery parameter memory means in conjunction with battery conditioning |
12/05/1989 | US4885465 Spectrum display device for x-ray microanalyzer or the like |
12/05/1989 | US4885463 Method and apparatus for testing infrared detectors |
12/05/1989 | CA1263706A1 Dc ground fault detection |
11/30/1989 | WO1989011748A1 Voltage controlling and indicating device |
11/30/1989 | WO1989011659A1 Novel method of making, testing and test device for integrated circuits |
11/30/1989 | WO1989011650A1 Electronic battery testing device with automatic voltage scaling |
11/30/1989 | DE3915322A1 Method of establishing the packed state of a substrate in a computer system |
11/30/1989 | DE3818034A1 Meter for the display of the internal resistance of a battery |
11/29/1989 | EP0344075A1 Production control of a printed circuit |
11/29/1989 | EP0343828A1 LSI system including a plurality of LSI circuit chips mounted on a board |
11/29/1989 | EP0343610A2 Method of characterizing bistable semiconductor lasers |
11/29/1989 | EP0343579A2 Releasing circuit for actuating vehicular safety device |
11/29/1989 | EP0343578A2 Releasing circuit for actuating vehicular safety device |
11/29/1989 | EP0343537A2 Timing generator |
11/29/1989 | EP0343177A1 Digital-to-time converter. |
11/29/1989 | CN2048591U Contactless electric tester |
11/29/1989 | CN2048589U Tester pen of multitester |
11/28/1989 | US4884228 Flexible instrument control system |
11/28/1989 | US4884122 Method and configuration for testing electronic circuits and integrated circuit chips using a removable overlay layer |
11/28/1989 | US4884056 System for displaying trouble in an electronic control system of a motor vehicle |
11/28/1989 | US4884034 Ground fault detector and locator |
11/28/1989 | US4884033 Diagnostic test apparatus for electrical system of automotive vehicle |
11/28/1989 | US4884032 Trailer/tractor light system tester |
11/28/1989 | US4884027 Manual microcircuit die test system |
11/28/1989 | US4884026 Electrical characteristic measuring apparatus |
11/28/1989 | US4884024 Test pin assembly for circuit board tester |
11/28/1989 | US4884023 Method and apparatus for determining the rotor resistance of a rotating-field machine |
11/28/1989 | US4883054 Optical fiber break detector |
11/28/1989 | CA1263456A1 Adjustable system for skew comparison of digital signals |
11/23/1989 | EP0343056A1 Automatic charger for batteries or accumulators |
11/23/1989 | EP0343055A1 Automatic charger capable of charging several batteries |
11/23/1989 | EP0343021A1 Flex dot wafer probe |
11/23/1989 | EP0342864A2 Wiring pattern detection method and apparatus |
11/23/1989 | EP0342787A2 Search method for generating test vectors for sequential logic circuits |
11/23/1989 | EP0342784A2 Program controlled in-circuit test of analog to digital converters |
11/23/1989 | EP0342597A2 Abnormality system for a high voltage power supply apparatus |
11/23/1989 | EP0342579A1 Apparatus for testing the autonomy of an emergency-lighting unit |
11/23/1989 | EP0342321A1 Circuits for the synthetic testing of high-voltage breakers |
11/22/1989 | CN2048194U Multi-functional check the number appliance for cable |
11/21/1989 | US4882682 Apparatus for detecting position of internal fault of gas insulated bus |
11/21/1989 | US4882486 Electron detection with energy discrimination |
11/21/1989 | US4881863 Apparatus for inspecting wafers |
11/21/1989 | US4881591 Oven for the burn-in of integrated circuits |
11/16/1989 | WO1989011106A1 Portable identifier apparatus for communication cables |
11/16/1989 | WO1989011093A1 Substrate examining apparatus and method of operating same |
11/16/1989 | DE3815001A1 Einrichtung zum laden von akkumulatoren Means for charging batteries |
11/15/1989 | EP0342101A1 Test device for a fuse used in an apparatus for measuring the intensity of a current |
11/15/1989 | EP0342045A2 Electronic device testing system |
11/15/1989 | EP0341806A2 Apparatus for inspecting circuit boards with surface mounted components |
11/15/1989 | EP0341685A2 Image processing apparatus and method for inspecting defects of enclosures of semiconductor devices |
11/15/1989 | EP0341629A2 Printed circuit board and a method of recognizing the position of surface mounted parts |
11/15/1989 | EP0341616A2 Architecture and device for testable mixed analog and digital VLSI circuits |
11/15/1989 | EP0341555A1 Method and apparatus for testing fastener arcing and sparking |
11/15/1989 | CN2047789U Level detector for solution electrolyzer |
11/15/1989 | CN1037243A Arrangement for fault indication |
11/14/1989 | US4881038 Electric battery testing device with automatic voltage scaling to determine dynamic conductance |
11/14/1989 | US4881029 Semiconductor integrated circuit devices and methods for testing same |