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

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)
12/1987
12/05/1987	CN86210102U Microcomputerized battery internal resistance tester
12/05/1987	CN86209694U Megohm/voltage meter
12/05/1987	CN86203004U Led circuit test pen
12/03/1987	WO1987007388A1 Process for checking load resistor circuits
12/03/1987	DE3618365A1 Device for testing DC electrical connections and the rotating field direction
12/03/1987	DE3617741A1 Handling device
12/02/1987	EP0247994A2 Method and device for establishing the standstill of an electric motor
12/02/1987	EP0247927A1 Apparatus and method for high temperature environmental testing of a semiconductor device
12/02/1987	EP0247809A2 Programmable logic device
12/02/1987	EP0247651A1 Electron-beam probe system utilizing test device having interdigitated conductive pattern and associated method of using the test device
12/02/1987	EP0247544A1 A monitoring device for overhead power transmission system
12/02/1987	EP0247502A1 Programmable logic array
12/02/1987	EP0247308A2 Method for automated optical inspection of printed circuits
12/02/1987	EP0247141A1 System for testing and repairing printed circuit boards.
12/02/1987	CN87200862U Indicator lamp for displaying electric source polarity
12/01/1987	US4710933 Parallel/serial scan system for testing logic circuits
12/01/1987	US4710932 Method of and apparatus for fault detection in digital circuits by comparison of test signals applied to a test circuit and a faultless reference circuit
12/01/1987	US4710931 Partitioned scan-testing system
12/01/1987	US4710930 Method and apparatus for diagnosing a LSI chip
12/01/1987	US4710927 Diagnostic circuit
12/01/1987	US4710751 Ground fault monitor circuit
12/01/1987	US4710720 Arrangement for testing fuses
12/01/1987	US4710707 High voltage electronic component test apparatus
12/01/1987	US4710705 Noise removal circuit for use in a partial discharge measuring device of a high voltage apparatus
12/01/1987	US4710704 Connected to receive a reference voltage
11/1987
11/26/1987	DE3617452A1 Method for monitoring an asynchronous machine
11/26/1987	DE3617271A1 Method and device for testing the correct arrangement of an integrated circuit in a holder
11/26/1987	DE3616975A1 Verfahren zur ueberpruefung von lastwiederstandskreisen Process for Review of load again stood circuits
11/25/1987	EP0246544A1 Device for the EMI testing of electronic equipments
11/25/1987	EP0246433A1 Current attenuator useful in a very low leakage current measuring device
11/25/1987	CN87203638U Multifunction equipment for checking electric appliances
11/25/1987	CN87103529A Device for indicating charge status of battery
11/25/1987	CN87102776A Instrument with electronic brain for mechanical property of asynchronous motor
11/24/1987	US4709386 Subscriber line monitoring circuit
11/24/1987	US4709366 Computer assisted fault isolation in circuit board testing
11/24/1987	US4709341 Self-monitoring system for detecting error at output port during cold start of microprocessor system
11/24/1987	US4709202 Battery powered system
11/24/1987	US4708484 Projection alignment method and apparatus
11/19/1987	WO1987007071A1 In-system programmable logic device
11/19/1987	WO1987007055A1 Automated test apparatus for use with multiple equipment
11/19/1987	WO1987007054A1 Universal programmable counter/timer and address register module
11/19/1987	WO1987007028A2 High speed laser probe
11/19/1987	EP0246034A2 Method of testing electronic assemblies while they are being produced
11/19/1987	EP0245915A2 Logic signal state and timing display
11/19/1987	EP0245591A2 Method and apparatus for transferring information into electronic systems
11/19/1987	EP0245563A1 Optico-electronic level detector with double pick-up elements
11/19/1987	EP0245463A1 Built-in self-test system for vlsi circuit chips
11/19/1987	EP0130982B1 Diagnostic display apparatus
11/19/1987	DE3616506A1 Method and device for monitoring electrical loads
11/17/1987	US4707834 Computer-based instrument system
11/17/1987	US4707795 Battery testing and monitoring system
11/17/1987	US4707686 Over temperature sensing system for power cables
11/17/1987	US4707657 Connector assembly for a circuit board testing machine, a circuit board testing machine, and a method of testing a circuit board by means of a circuit board testing machine
11/17/1987	US4707656 Circuit test fixture
11/17/1987	US4707654 Integrated circuit having input and output terminals for testing
11/17/1987	US4707620 Adjustable impedance driver network
11/17/1987	CA1229425A1 Contact array assembly for a computer-controlled printed circuit board testing apparatus
11/17/1987	CA1229384A1 Test circuit for differential cascode voltage switch
11/12/1987	DE3249770C2 Device for testing electrical circuit boards
11/11/1987	EP0245115A1 Method of and apparatus for testing semiconductor devices
11/11/1987	EP0244926A2 Register and stack monitoring logic analyzer
11/11/1987	CN86210870U Dc electroscope mounded in screw assemblage
11/10/1987	US4706208 Technique for the operational life test of microprocessors
11/10/1987	US4706186 Integrated circuit devices
11/10/1987	US4706157 Semiconductor intergrated circuit
11/10/1987	US4706019 Electron beam test probe system for analyzing integrated circuits
11/10/1987	US4706018 Noncontact dynamic tester for integrated circuits
11/10/1987	US4706015 Method and circuit for reducing contact resistance of the potential probes of a four-point-probe in contact with a III-V compound semiconductor wafer
11/10/1987	US4705954 Method and apparatus for automatically positioning a particle beam
11/10/1987	US4705447 Electronic test head positioner for test systems
11/10/1987	US4705329 Apparatus for electrical function checking of wiring matrices
11/10/1987	US4704906 Dynamic air gap measuring device for use with rotating electrical machinery
11/10/1987	US4704872 Thermally controlled T/R module test apparatus
11/09/1987	EP0217812A4 Injector driver fault detect and protection device.
11/04/1987	EP0244259A1 Method of detecting the presence or absence of defect of transparent circuit board having fine transparent electric conductive circuit
11/04/1987	EP0244053A2 Dual channel time domain reflectometer
11/04/1987	EP0243812A1 Test circuit
11/04/1987	EP0243705A1 A connecting device for easily locating a short circuit between two terminals of a printed circuit
11/04/1987	EP0081966B1 Scan-out circuitry
11/04/1987	CN87200720U Phase sequence monitor of three-phase supply
11/04/1987	CN87200381U Multifunction test pencil
11/04/1987	CN86100560A Defect monitor for capacitive storage circuit
11/03/1987	US4704599 Auxiliary power connector and communication channel control circuit
11/03/1987	US4704576 Microwave measuring and apparatus for contactless non-destructive testing of photosensitive materials
11/03/1987	US4704551 Low voltage/high voltage field effect transistor (FET) switching circuit for printed circuit board tester
10/1987
10/31/1987	CN86210921U Withstand voltage testing apparatus for cable shielding layer
10/31/1987	CN86210714U Seven-functional test pencil
10/31/1987	CN86210125U Colour changing test pencil
10/31/1987	CN86207465U Multi-functional portable leak detector
10/29/1987	DE3614080A1 Demodulator
10/29/1987	DE3613896A1 Device and method for input and output of binary data, particularly test data of digital test items
10/28/1987	EP0243045A1 Apparatus for testing semiconductor devices
10/28/1987	EP0243021A1 Impedance matching means
10/28/1987	EP0242779A1 Device to identify the disconnection of an electric apparatus from the electric mains
10/28/1987	EP0242707A1 Test circuit
10/28/1987	EP0242700A2 AC level calibration method and apparatus
10/27/1987	US4703484 Programmable integrated circuit fault detection apparatus
10/27/1987	US4703483 Chip on chip type integrated circuit device
10/27/1987	US4703436 Wafer level integration technique
10/27/1987	US4703410 Power failure indicator

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