| 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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| 01/19/1988 | US4720670 On chip performance predictor circuit |
| 01/19/1988 | CA1231758A1 Random logic error detecting system for differential logic networks |
| 01/19/1988 | CA1231757A1 Equipment for locating a signal reflection point in a transmission line |
| 01/13/1988 | EP0252753A1 Diagnostic overlay and method of diagnosing electronic circuits |
| 01/13/1988 | EP0252714A2 Semiconducteur integrated circuit device having a tester circuit |
| 01/13/1988 | EP0252697A2 Semiconductor wafer temperature measuring device and method |
| 01/13/1988 | EP0252538A1 Entry circuit for a logic analyser probe, and logic analyser probe provided with such a circuit |
| 01/13/1988 | EP0252416A2 Insulation testing device for gas insulated apparatus |
| 01/13/1988 | EP0252309A1 Monitoring the state of the discharge of a battery |
| 01/13/1988 | EP0252301A1 Method for localizing defective connections between conducting lines and/or voltage planes of multilayer printed circuits |
| 01/13/1988 | EP0252222A1 Circuit for the voltage supply of an electric unit |
| 01/13/1988 | EP0252194A2 Switching module within a signal distribution system |
| 01/13/1988 | EP0252080A1 Arrangement for the measurement of electronic units |
| 01/13/1988 | CN87202251U Wire-checking-pen which shows the connecting and disconnecting of the circuit |
| 01/13/1988 | CN87200703U Switch electrical device stroke character instrumentation |
| 01/13/1988 | CN87200495U Point-survey instrument for checking rubber cable's breakdown |
| 01/12/1988 | US4719580 Detection and location of a fault point based on a travelling wave model of the high voltage transmission line |
| 01/12/1988 | US4719459 Signal distribution system switching module |
| 01/12/1988 | US4719428 Storage battery condition tester utilizing low load current |
| 01/12/1988 | US4719427 Vehicle battery diagnostic device |
| 01/12/1988 | US4719418 Defect leakage screen system |
| 01/12/1988 | US4719411 Addressable test matrix for measuring analog transfer characteristics of test elements used for integrated process control and device evaluation |
| 01/12/1988 | US4718767 Method of inspecting the pattern on a photographic mask |
| 01/12/1988 | US4718271 For testing the control system of a locomotive |
| 01/12/1988 | CA1231453A1 Digital signal transmission cable noise analyzer |
| 01/07/1988 | EP0251500A1 Apparatus and methods for inspection of electrical materials and components |
| 01/07/1988 | EP0251198A2 Apparatus for diagnosing abnormal state of sodium (Na) - sulfur (S) cell |
| 01/07/1988 | EP0250934A2 Device for contacting micro-electronic modules being tested |
| 01/07/1988 | EP0250917A1 Method for signal transmission and optical communications |
| 01/07/1988 | EP0250799A2 Asynchronous machine control process |
| 01/07/1988 | EP0250776A1 Method for detecting and obtaining information about changes in variables |
| 01/07/1988 | EP0250620A1 Method and device for electrically testing printed circuits |
| 01/07/1988 | EP0250495A1 Process for automatically monitoring control devices. |
| 01/07/1988 | EP0119267B1 A diagnostic circuit for digital systems |
| 01/07/1988 | DE3718839A1 Circuit for supplying an electrical chip with voltage |
| 01/07/1988 | DE3621589A1 Circuit for supplying voltage to an electrical module |
| 01/07/1988 | DE3621469A1 Method for localising defective gate elements in a gate matrix group |
| 01/06/1988 | CN87203783U Dangerous voltage distinguishable test pencil |
| 01/06/1988 | CN87202973U Electricity leakage indicator |
| 01/05/1988 | US4718065 In-line scan control apparatus for data processor testing |
| 01/05/1988 | US4718036 Comparator-integrator loop for digitizing a waveform |
| 01/05/1988 | US4718018 Digital method for synthesizing composite video signals |
| 12/31/1987 | CN87206485U Test pencil capable of temp. measurement |
| 12/30/1987 | WO1987007992A1 Look ahead terminal counter |
| 12/30/1987 | WO1987007982A1 A method of proving a battery of alkali metal cells |
| 12/30/1987 | WO1987007968A2 Multi-mode counter network |
| 12/30/1987 | CN87204152U Double-current transducer type earthometer for winding inside slot of core |
| 12/29/1987 | US4716564 Method for test generation |
| 12/29/1987 | US4716519 Method of checking channel connections and detecting heater circuit and temperature sensor malfunctions in multi-channel closed loop hot melt heating systems |
| 12/29/1987 | US4716500 Probe cable assembly |
| 12/29/1987 | US4716354 Automatic voltage regulator means providing a dual low power responsive and output-voltage-controlling regulator signal particularly for a plural source battery powered system |
| 12/29/1987 | US4716351 Motor monitor synchronization system |
| 12/29/1987 | US4715823 Plug-in socket assembly for integrated circuit package |
| 12/29/1987 | US4715501 IC test equipment |
| 12/26/1987 | CN87208508U Sounding test pencil |
| 12/26/1987 | CN87203672U Pocket-size ac circuit measuring meter |
| 12/23/1987 | EP0250292A1 Interference current probe comprising a resonant loop |
| 12/23/1987 | CN87104797A Detecting instrument for contaction sequence of power line connectors |
| 12/23/1987 | CN86209880U Liquid crystal display test pen capable of distinquishing voltage of different levels |
| 12/23/1987 | CN86207568U Digital-displaying electric-measuring sheet |
| 12/23/1987 | CN86204740U Precision fault-locating instrument used for power controlling cable |
| 12/22/1987 | US4714879 Holding and testing device for electronic modules within flat carriers |
| 12/22/1987 | US4714876 Circuit for initiating test modes |
| 12/22/1987 | US4714875 Printed circuit board fault location system |
| 12/22/1987 | US4714843 Semiconductor chip power supply monitor circuit arrangement |
| 12/22/1987 | US4714826 Apparatus and method for testing outputs of logic circuits by modulating optical sequals |
| 12/17/1987 | WO1987007753A1 Programmable logic array |
| 12/17/1987 | WO1987007731A1 Electron-beam probing of photodiodes |
| 12/17/1987 | WO1987007730A1 Cable continuity checker |
| 12/17/1987 | WO1987007028A3 High speed laser probe |
| 12/17/1987 | DE3620179A1 Circuit arrangement for identifying the cores in a multicore cable |
| 12/17/1987 | DE3619835A1 Electronic interface module for extensive measurement point networks |
| 12/16/1987 | EP0249448A1 Defect detector circuit for inductive load driving circuit |
| 12/16/1987 | EP0249325A1 Integrated circuit with channel length indicator |
| 12/15/1987 | US4713819 For determining a malfunction in a photodiode |
| 12/15/1987 | US4713815 Automatic fault location system for electronic devices |
| 12/15/1987 | US4713813 Logic analyzer |
| 12/15/1987 | US4713653 For warning that an exposed member carrying high voltage is live |
| 12/15/1987 | US4713652 Electrical apparatus |
| 12/15/1987 | US4713612 Method and apparatus for determination of junction-to-case thermal resistance for a hybrid circuit element |
| 12/15/1987 | US4713611 Burn-in apparatus for integrated circuits mounted on a carrier tape |
| 12/15/1987 | US4713607 Current sensing circuit |
| 12/15/1987 | US4713606 System for testing the failure or satisfactory operation of a circuit having logic components |
| 12/15/1987 | US4713605 Linear feedback shift register for circuit design technology validation |
| 12/15/1987 | CA1230378A1 Device for indicating the fully charged state of a battery |
| 12/15/1987 | CA1230376A1 Electrical indicating circuit for a battery charger |
| 12/12/1987 | CN86210931U Multi-functional non-contact electricity tester |
| 12/12/1987 | CN86209985U Multi-purpose non-contact electricity tester |
| 12/12/1987 | CN86209284U All-part electricity leakage alarm |
| 12/09/1987 | EP0248705A1 Apparatus for irradiating electronic circuits |
| 12/09/1987 | EP0248521A2 Electrical contactors |
| 12/09/1987 | EP0248461A1 Device for indicating the charge status of a battery |
| 12/09/1987 | EP0248320A1 Fault current detector |
| 12/09/1987 | EP0248137A1 System for accumulating verifiable energy demand data from remote electricity meters |
| 12/09/1987 | CN86103661A Measuring head for inductive measurement of thickness of insulating layer on electric conductor |
| 12/08/1987 | US4712063 Method and apparatus for measuring areas of photoelectric cells and photoelectric cell performance parameters |
| 12/08/1987 | US4712062 Ground shield apparatus for giga-hertz test jig |
| 12/08/1987 | US4712058 Active load network |
| 12/08/1987 | US4712057 Method of examining and testing an electric device such as an integrated or printed circuit |
| 12/08/1987 | US4711024 Method for making testable electronic assemblies |