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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06/27/1990 | EP0374998A1 Method and apparatus for diagnosing defects on electric or electronic casings in a motor vehicle |
06/27/1990 | EP0374476A2 Connector for connecting flexible film circuit carrier to board or card and use thereof |
06/27/1990 | EP0374466A1 In-line process monitors for thin film wiring |
06/27/1990 | EP0374434A1 Electrical test fixture |
06/27/1990 | EP0374274A1 Method for verification of VLSI-chip data |
06/27/1990 | EP0374228A1 Control and monitoring circuit for electrical seat heaters, in particular in motor vehicles |
06/27/1990 | CN1043394A Computerized pulse remote-detector for line failure |
06/27/1990 | CA2006389A1 Ic socket |
06/26/1990 | US4937826 Method and apparatus for sensing defects in integrated circuit elements |
06/26/1990 | US4937765 Method and apparatus for estimating fault coverage |
06/26/1990 | US4937700 Semiconductor integrated circuit with a circuit limiting an input voltage to a predetermined voltage |
06/26/1990 | US4937698 System for foreseeing deterioration in interrupting performance of vacuum interrupter |
06/26/1990 | US4937659 Interconnection system for integrated circuit chips |
06/26/1990 | US4937658 Interconnection system for integrated circuit chips |
06/26/1990 | US4937529 Electrical conductor identifying assembly |
06/26/1990 | US4937528 Method for monitoring automotive battery status |
06/26/1990 | US4937519 Apparatus and method for identifying conductors |
06/26/1990 | US4937203 Providing temporary connections for high speed testing |
06/26/1990 | CA1270962A1 Adjustable quick-mount test probe assembly |
06/23/1990 | CA2006367A1 Method of testing connecting and/or switching devices and/or lines |
06/22/1990 | CA2006602A1 Device for automatically ascertaining capacitance, dissipation factor and insulation resistance of a plurality of capacitors |
06/21/1990 | DE3942165A1 Fehlererfassungseinrichtung fuer elektrische schaltungen Error detection means for electrical circuits |
06/21/1990 | DE3942164A1 Fehlererfassungeinrichtung fuer elektrische schaltungen Error detection means for electrical circuits |
06/21/1990 | DE3941495A1 Measurement and test arrangement of electromechanical transducer - has programmable voltage-current supply and measurement and storage devices under automatic control for testing motor or generator |
06/20/1990 | EP0373794A2 Driver circuit for in circuit tester |
06/20/1990 | CN2058498U Testing device for circuit fault of motor vehicle |
06/20/1990 | CN2058496U Multifunctional safety device for electric measurement |
06/20/1990 | CN2058495U Multipurpose test pencil |
06/20/1990 | CN1043202A Automatic alarm for leakage danger voltage |
06/20/1990 | CN1008504B Method for detecting and correcting failure in mounting of electronic parts on substrate and apparatus therefor |
06/19/1990 | US4935929 Diagnostic circiut for digital systems |
06/19/1990 | US4935839 Electrostatic discharge testing device |
06/19/1990 | US4935699 Means to detect and locate pinching and chafing of conduits |
06/19/1990 | US4935695 Board alignment system |
06/19/1990 | US4935694 Probe card fixture |
06/19/1990 | US4934677 Holder for electronic devices |
06/19/1990 | US4934064 Alignment method in a wafer prober |
06/19/1990 | CA2004136A1 Extraneous frequency detector |
06/19/1990 | CA1270523A1 Phase identifier |
06/14/1990 | WO1990006522A1 State-of-charge indications |
06/14/1990 | WO1990006521A1 Testing of analogue circuits in semiconductor devices |
06/14/1990 | WO1990006520A2 Electrographic process for generating an electrical image signal |
06/14/1990 | WO1990006519A1 Apparatus and method for current sensing |
06/13/1990 | EP0373069A1 Checking process for a completed printed-circuit board, in particular for checking the components of the circuit board, and apparatus to carry out this process |
06/13/1990 | EP0372812A2 Method and apparatus for inspecting solder joints |
06/13/1990 | EP0372349A1 Functional locking cabinet for a medium tension switchgear |
06/13/1990 | EP0372226A2 Parallel pseudorandom pattern generator with varying phase shift and method for simulating such a generator |
06/13/1990 | EP0372168A2 Defect detection using intermodulation signals |
06/13/1990 | DE3900370C1 Synthetic circuit for testing the breaking power of high-voltage circuit breakers |
06/13/1990 | CN1043002A Double-freq and double-fed analog thermometry technology for wire-winding asynchronous motors |
06/13/1990 | CN1043001A Analog measurement technology of operation characteristics of asynchronous motors |
06/13/1990 | CN1043000A Double -freq. feeding and negative-phase sequence analog thermometry technology for stators of asynchronous motors |
06/12/1990 | US4933962 Continuity test set with voice communication |
06/12/1990 | US4933635 In-line process monitors for thin film wiring |
06/12/1990 | US4933628 Voltage detecting device |
06/12/1990 | US4933552 For analyzing a sample |
06/12/1990 | US4932246 Diagnostic fault test system and circuit |
06/12/1990 | CA1270312A1 Appliance system |
06/07/1990 | DE3841769C1 Circuit for ensuring the provision of starting energy in motor vehicles with internal combustion engines |
06/06/1990 | EP0371672A1 Antistatic mask for use with electronic test apparatus |
06/06/1990 | EP0371662A2 Remote testing of metallic loops with a trans hybrid signal |
06/06/1990 | EP0371656A2 Sequence of events detector for one or more digital signals |
06/06/1990 | EP0371336A2 Method and apparatus for electrostatic discharge testing of machines which repetitively execute a stored program with a plurality of program steps |
06/06/1990 | EP0371087A1 Apparatus for inspecting wafers |
06/05/1990 | US4931791 Shorted-coaxial-cable detector for local-area networks |
06/05/1990 | US4931741 Branched sensor system |
06/05/1990 | US4931738 Battery monitoring system of cell groups and display |
06/05/1990 | US4931737 Circuit for measuring the capacity of a battery |
06/05/1990 | US4931723 Automatic test system having a "true tester-per-pin" architecture |
06/05/1990 | US4931722 Flexible imbedded test system for VLSI circuits |
06/05/1990 | US4931721 Device for automatically ascertaining capacitance, dissipation factor and insulation resistance of a plurality of capacitors |
06/05/1990 | US4931684 Digitally scanned extended electron source in vacuum |
06/05/1990 | US4930890 Method and apparatus for detecting through-hole voids in multi-layer printed wiring board |
06/05/1990 | US4930874 Liquid crystal display device |
06/05/1990 | CA1270069A1 Probe card with reconfigurable circuitry |
05/31/1990 | WO1990005919A1 Coupling unit for monitoring high-voltage installations by means of partial discharges |
05/31/1990 | DE3939630A1 System zur erfassung von anormalitaeten bei elektrischen schaltungen System for detecting abnormalities in electrical circuits |
05/31/1990 | DE3916924C1 Testing electro-optical qualities of semiconductor components - combining several edge-emitting components on wafer and detecting emitted light by opto-electric transducer |
05/31/1990 | DE3840225A1 Test structure and method for measuring the dynamic loading of transistors contained in an integrated circuit |
05/31/1990 | DE3839790A1 Test set for determining the breakdown strength of insulation media |
05/30/1990 | EP0370647A1 Microcomputer controlled resistance fault locator circuit |
05/30/1990 | EP0370322A2 Method and apparatus for alignment of images |
05/30/1990 | EP0370194A2 Reconfigurable register bit slice |
05/30/1990 | EP0214239B1 Method and circuit for detecting a fault condition |
05/30/1990 | CN1008218B Dynamic analytic device of semiconductor rectifying element and its analytic method |
05/29/1990 | US4929932 Solid state relay having visual contact monitor |
05/29/1990 | US4929931 Battery monitor |
05/29/1990 | US4929903 Method of and apparatus for assessing insulation conditions |
05/29/1990 | US4929902 Multiple size cable testing device |
05/29/1990 | US4929901 DC ground fault detection |
05/29/1990 | US4929900 Method for locating conductive faults in telephone and similar cables |
05/29/1990 | US4929893 Wafer prober |
05/29/1990 | US4929889 Data path chip test architecture |
05/29/1990 | US4929888 Pin electronics device having a phase adjustment function for IC testers and phase adjustment method therefor |
05/29/1990 | US4929887 Electrical outlet monitor |
05/29/1990 | US4929831 Electron beam apparatus for testing infrared detectors in a cryogenically shielded environment |
05/29/1990 | CA1269758A1 Electronic test fixture with cassette system |
05/29/1990 | CA1269704A1 Fault diagnosis system for rotor winding of rotary electric machine |
05/29/1990 | CA1269547A1 Remote measurement of conditions |
05/23/1990 | EP0369921A2 Identification of defects in emitter-coupled logic circuits |