| 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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| 11/27/1990 | CA1276981C Contact on test switch |
| 11/22/1990 | EP0398824A1 Numerical insulation tester for powder system |
| 11/22/1990 | EP0398816A2 Testing method, testing circuit and semiconductor integrated circuit having testing circuit |
| 11/22/1990 | EP0398605A2 Metal-interconnected integrated circuit chip |
| 11/22/1990 | EP0398594A2 Means to detect and locate pinching and chafing of conduits |
| 11/22/1990 | EP0398593A2 Apparatus for detecting excessive chafing of a cable arrangement against an electrically grounded structure |
| 11/22/1990 | EP0398481A2 Method and apparatus for diagnosing an electronic automotive control system by means of pattern recognition |
| 11/22/1990 | EP0398357A2 Test circuit in semiconductor memory device |
| 11/22/1990 | EP0397937A2 Control system and method for automated parametric test equipment |
| 11/22/1990 | EP0397933A1 Bit stream machine |
| 11/22/1990 | EP0397846A1 Electrographic process for generating an electrical image signal |
| 11/22/1990 | EP0397711A1 Fault detection |
| 11/21/1990 | CN2066147U 时间继电器测试仪 Time Relay Tester |
| 11/21/1990 | CN2066146U Multi-functional phase-sequence test pencil |
| 11/21/1990 | CN2066144U Multi-functional electronic test pencil |
| 11/21/1990 | CN2066141U Low-voltage test pencil |
| 11/21/1990 | CN1010537B Protective relaying apparatus for providing fault-resistance correction |
| 11/20/1990 | US4972414 Method and apparatus for detecting oscillator stuck faults in a level sensitive scan design (LSSD) system |
| 11/20/1990 | US4972413 Method and apparatus for high speed integrated circuit testing |
| 11/20/1990 | US4972372 Programmable device and method of testing programmable device |
| 11/20/1990 | US4972144 Testable multiple channel decoder |
| 11/20/1990 | US4972142 Automatic frequency follow-up in particle beam metrology upon employment of a modulated primary beam |
| 11/20/1990 | US4972138 Oscilloscope-like user-interface for a logic analyzer |
| 11/20/1990 | US4970890 Electric generator inspection system |
| 11/20/1990 | CA1276702C Event location using a multiwire system |
| 11/19/1990 | CA2016979A1 Digital isolation monitor for an electrical power system |
| 11/15/1990 | WO1990013823A1 Process and device for determining physical variables of rechargeable electric accumulators |
| 11/15/1990 | WO1990013821A1 A method and an apparatus for testing the assembly of a plurality of electrical components on a substrate |
| 11/15/1990 | WO1990011533A3 Detecting cable faults |
| 11/15/1990 | DE4014737A1 Physical value determn. for accumulator - measures process input values of energy storage which are processed in computer |
| 11/15/1990 | DE3915475A1 Sensor measuring charge of accumulator with moving float - dependent on acid density and float on surface of electrolyte and sensor for measuring temp. |
| 11/14/1990 | EP0396956A2 Display system for instruments |
| 11/14/1990 | EP0396654A1 Milliohm impedance monitoring apparatus and method |
| 11/14/1990 | CN2065766U Universal programable ic and microcomputer testing instrument |
| 11/14/1990 | CN2065765U Air-pressure automatic keeping machine for long distance cable |
| 11/14/1990 | CN2065764U Sound/light dual-display multi-function ac electricity testing pen |
| 11/14/1990 | CN2065763U High-voltage switch parameter automatic testing instrument |
| 11/14/1990 | CN2065761U Liquid crystal ad/dc induction electricity testing device |
| 11/13/1990 | US4970727 Semiconductor integrated circuit having multiple self-test functions and operating method therefor |
| 11/13/1990 | US4970725 Automated system testability assessment method |
| 11/13/1990 | US4970724 Redundancy and testing techniques for IC wafers |
| 11/13/1990 | US4970466 TDR cable testing apparatus with pulse timing manipulation to automatically compensate for diverse cable characteristics |
| 11/13/1990 | US4970461 Method and apparatus for non-contact opens/shorts testing of electrical circuits |
| 11/13/1990 | US4970454 Packaged semiconductor device with test circuits for determining fabrication parameters |
| 11/13/1990 | US4970410 Semiconductor integrated circuit device having improved input/output interface circuit |
| 11/13/1990 | US4970352 Multiple core coaxial cable |
| 11/13/1990 | CA1276254C Method for detecting and obtaining information about changes in variables |
| 11/13/1990 | CA1276253C Event location using a locating member containing discrete impedances |
| 11/13/1990 | CA1276233C Method and apparatus for locating leaks in a multiple layer geomembrane |
| 11/07/1990 | EP0396423A2 Circuit board carriers |
| 11/07/1990 | EP0396310A2 Signature analysis in physical modeling |
| 11/07/1990 | EP0396272A2 IC device including test circuit |
| 11/07/1990 | CN2065326U Instrument for quick-finding electrical equipment fault of automotive vehicle |
| 11/06/1990 | US4969148 Serial testing technique for embedded memories |
| 11/06/1990 | US4969116 Method of generating discretization grid for finite-difference simulation |
| 11/06/1990 | US4969104 Diagnosis arrangement for vehicle engine controller |
| 11/06/1990 | US4968943 Open battery bank detector circuit |
| 11/06/1990 | US4968942 Method for monitoring aircraft battery status |
| 11/06/1990 | US4968941 Apparatus for monitoring the state of charge of a battery |
| 11/06/1990 | US4968932 Evaluation method for semiconductor device |
| 11/06/1990 | US4968931 Apparatus and method for burning in integrated circuit wafers |
| 11/06/1990 | US4968929 Plug connector coding system for electric cables |
| 11/01/1990 | WO1990013043A1 Method for automatic isolation of functional blocks within integrated circuits |
| 11/01/1990 | WO1990013042A1 Method and device for accelerated determining of ageing of one or more elements with an electromagnetic ageing parameter |
| 11/01/1990 | WO1990013041A1 Method and apparatus for localizing from above the ground or water the position of or cable fault in a cable buried underground or underwater |
| 10/31/1990 | EP0395209A2 Method and apparatus for testing a binary counter |
| 10/31/1990 | EP0395149A1 Method and device for accelerated determining of ageing of one or more elements with an electromagnetic ageing parameter |
| 10/31/1990 | EP0394626A2 Removable thermocouple template for monitoring temperature of multichip modules |
| 10/31/1990 | EP0394611A2 Logic performance verification and transition fault detection |
| 10/31/1990 | EP0394525A1 Method and apparatus for the contactless checking of the insulation of insulated electric conductors and for the detection and classification of insulation faults |
| 10/31/1990 | DE4008984A1 Test data compression in function tester - applying digital signal train to tested sample and receiving reply signals for testing |
| 10/31/1990 | DE3914021A1 Optimisation of asynchronous motors - measuring current and rotation of unloaded motor at rotation speed suitable for detecting slot effect |
| 10/31/1990 | CN2064890U Detecting pen for measuring whether or not electric wire being broken and location of breakage |
| 10/31/1990 | CN1010257B Technical embodiment for a test equipment of solar cells using short pulse |
| 10/30/1990 | US4967158 Portable detector device for detecting partial electrical discharge in live voltage distribution cables and/or equipment |
| 10/30/1990 | US4967152 Apparatus including a focused UV light source for non-contact measurement and alteration of electrical properties of conductors |
| 10/30/1990 | US4967151 Method and apparatus for detecting faults in differential current switching logic circuits |
| 10/30/1990 | US4967149 Drive device for an apparatus for electrical function testing of wiring matrices |
| 10/30/1990 | US4967148 Apparatus for electrical function testing of wiring matrices, particularly of printed circuit boards |
| 10/30/1990 | US4967146 Semiconductor chip production and testing processes |
| 10/30/1990 | US4967143 System for diagnosing anomalies or breakdowns in a plurality of types of electronic control systems installed in motor vehicles |
| 10/30/1990 | US4967142 Electronic module comprising a first substrate element with a functional part, and a second substrate element for testing an interconnection function, socket, substrate element and electronic apparatus therefor |
| 10/30/1990 | US4966520 Method of positioning objects to be measured |
| 10/30/1990 | CA1275698C Device and method for signal transmission and optical communications |
| 10/25/1990 | DE4018705A1 Analyser for ignition system of vehicle internal combustion engine - has near field inductive detector probe in housing, self-adapting amplifier and microcontroller |
| 10/24/1990 | EP0393828A2 A method and apparatus for testing the response of a stress wave sensor |
| 10/24/1990 | EP0393587A2 Device for testing electronic elements with loading station, test station and unloading station for the elements |
| 10/24/1990 | EP0393205A1 Pattern generator |
| 10/24/1990 | CN2064510U Portable, digital mega-ohmmeters with multi purposes |
| 10/24/1990 | CN1010152B Improved current fault detection method |
| 10/23/1990 | US4965800 Method of triggering an electronic device |
| 10/23/1990 | US4965768 Semiconductor device having programmable read only memory cells for specific mode |
| 10/23/1990 | US4965738 Intelligent battery system |
| 10/23/1990 | US4965516 System for digitizing and displaying analog signatures of integrated circuits |
| 10/23/1990 | US4965515 Apparatus and method of testing a semiconductor wafer |
| 10/23/1990 | US4965513 Motor current signature analysis method for diagnosing motor operated devices |
| 10/23/1990 | US4965511 Test circuit for logic ICS |
| 10/23/1990 | US4965208 Inspection of multipattern circuit boards |
| 10/23/1990 | US4964737 Removable thermocouple template for monitoring temperature of multichip modules |
| 10/23/1990 | CA1275507C Method and apparatus for measuring the speed of an integrated circuit device |