Patents
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)
06/1986
06/03/1986US4593276 Overcurrent display device
06/03/1986US4592138 Method for examining circuit boards
06/03/1986CA1205568A1 Miniature circuit processing device and matrix test heads for use therein
05/1986
05/28/1986EP0182488A1 Remote measurement of conditions
05/28/1986EP0182388A2 Logic circuit test probe
05/28/1986EP0182358A2 Scan control apparatus and method for a data processing apparatus
05/28/1986EP0182197A2 Apparatus and method for automatic lead fail detection in electrocardiography
05/27/1986US4591392 Forming an ordered array for visual inspection
05/27/1986CA1205176A1 Digital random error generator supplying burst error signals of random duration starting at random times
05/27/1986CA1205135A1 Continuity detecting apparatus
05/27/1986CA1205133A1 Voltage controlled current switch with short circuit protection
05/21/1986EP0181775A1 Motor monitor signal analysis system
05/21/1986EP0181774A1 Motor monitor synchronisation system
05/21/1986EP0181729A1 Apparatus for use in testing circuit boards
05/21/1986EP0181619A2 Logic analyzer
05/20/1986US4590581 Method and apparatus for modeling systems of complex circuits
05/20/1986US4590430 Apparatus for monitoring cell capacity in a storage battery
05/20/1986US4590423 For subjecting a test specimen
05/20/1986US4590422 Automatic wafer prober having a probe scrub routine
05/20/1986US4590369 Method of detecting sensitivities of photomultipliers
05/20/1986US4589815 Electronic test head positioner for test systems
05/20/1986US4589401 Injector driver fault detect and protection device
05/20/1986US4589275 Pipe coating
05/20/1986CA1204820A1 Diode failure detecting device in rotary rectifier
05/14/1986EP0181011A2 A method and circuit detecting the logic state of internal nodes in sequential logic circuits
05/14/1986EP0180780A1 Noncontact dynamic tester for integrated circuits
05/14/1986EP0180776A2 Chip-on-chip semiconductor device
05/13/1986US4589140 Method of and apparatus for real-time high-speed inspection of objects for identifying or recognizing known and unknown portions thereof, including defects and the like
05/13/1986US4589139 Apparatus for detecting defects in pattern
05/13/1986US4589074 Multiple channel power line monitor
05/13/1986US4589073 Apparatus for determining prospective short circuit current
05/13/1986US4589048 Apparatus for detecting ground fault in variable-voltage variable-frequency power system
05/13/1986US4588952 Arc discharge abnormality detecting system
05/13/1986US4588950 Test system for VLSI digital circuit and method of testing
05/13/1986US4588946 Method for measuring current at a p-n junction
05/13/1986US4588945 High throughput circuit tester and test technique avoiding overdriving damage
05/13/1986US4588944 Fully scan-set testable embedded edge-triggered dual D and J-K flip-flops through testing as inverter strings
05/13/1986US4588907 Integrated digital MOS semiconductor circuit
05/13/1986US4588346 Positioner for maintaining an object in a substantially weightless condition
05/13/1986CA1204501A1 Method and system for automatically detecting camera picture element failure
05/10/1986CN85104809A Test device for wide band integrated circuit
05/09/1986WO1986002738A1 Control installation for batteries
05/07/1986EP0180501A1 Apparatus for the detection and location of a fault in a cable railway installation
05/07/1986EP0180322A1 Partial discharge measuring device
05/07/1986EP0180277A1 Nondestructive testing of multilayers ceramic capacitors
05/07/1986EP0180072A1 Method for fault-analyse of integrated circuit
05/07/1986EP0180013A1 Test probe system
05/06/1986US4587481 Arrangement for testing micro interconnections and a method for operating the same
05/06/1986US4586830 Combination rotary gas bearing and seal apparatus
05/06/1986US4586370 Tester for electric and pneumatic systems of vehicular trailers
05/06/1986US4586242 Operations on a semiconductor integrated circuit having two kinds of buffers
04/1986
04/30/1986EP0179438A2 A projection aligner of a lithographic system
04/30/1986EP0179403A2 Apparatus for producing thin-film photoelectric transducer
04/29/1986US4586181 Test pattern generating apparatus
04/29/1986US4586129 Apparatus and method for testing and verifying the timing logic of a cathode ray tube display
04/29/1986US4585991 Solid state multiprobe testing apparatus
04/23/1986EP0178431A1 Counterfield spectrometer for electron beam measurement
04/23/1986EP0178425A1 Method and arrangement for localizing errors within an electrical circuit by means of light beam irradiation
04/23/1986EP0178419A2 Dynamically selectable polarity latch
04/23/1986EP0178336A1 Vacuum transfer device
04/22/1986US4584683 Logic circuit test system
04/22/1986US4584642 Logic simulation apparatus
04/22/1986US4584555 Fault indicating circuit for a current consuming load connected to an electronic switching device
04/22/1986US4584545 Single section circuit breaker having a metering shunt
04/22/1986US4584531 Noncontact electrostatic hoop probe for combustion engines
04/22/1986US4584526 Combination continuity and live circuit path tester
04/22/1986US4584524 Missile control system test apparatus having video signal adapter
04/22/1986US4584521 Method of detecting the defects in a dielectric coating at the surface of an electrically conductive underlayer
04/22/1986US4584515 Re-regulation circuit for automobile tachometer detection circuit
04/22/1986US4583857 Apparatus for automatic optical property testing
04/16/1986EP0177722A1 Method and arrangement for determining the weak points within an electrical integrated circuit
04/16/1986EP0177717A1 Process for the automatic positioning of a curpuscular probe
04/16/1986EP0177495A1 Tracing electrical conductors by high-frequency constant-energy pulse loading
04/16/1986EP0086310B1 Semiconductor integrated circuit device with test circuit
04/15/1986US4583233 Method of monitoring suitability of a transmission path for transmission of digital data signals, and apparatus for use in carrying out the method
04/15/1986US4583223 Testing system
04/15/1986US4583179 Semiconductor integrated circuit
04/15/1986US4583075 Method and apparatus for analyzing an analog-to-digital converter with a nonideal digital-to-analog converter
04/15/1986US4583042 Capacitive circuit board testing system and method using a conductive pliant elastomeric reference plane
04/15/1986US4583041 Logic circuit test system
04/15/1986US4583040 Testing apparatus for electrical characteristics of sheet-like insulating materials
04/15/1986US4583039 Electrical testing device for insulating gloves
04/15/1986US4583038 Electrical testing
04/15/1986US4583036 Charging system diagnostic device
04/15/1986CA1203325A1 Apparatus for measuring carrier lifetimes in a semiconductor wafer
04/10/1986WO1986002167A1 Integrated circuit tester and remote pin electronics therefor
04/10/1986WO1986002166A1 Automated circuit tester
04/09/1986EP0177210A1 Electric circuit testing equipment
04/09/1986EP0176854A2 Method and apparatus for improved monitoring and detection of improper device operation
04/09/1986EP0176745A1 Device and method to measure lengths in a scanning corpuscular microscope
04/09/1986EP0176532A1 Improvement to automatic control benches for groups of conductors
04/08/1986US4581740 Transfer circuit for defect inspection of an integrated circuit
04/08/1986US4581578 Apparatus for measuring carrier lifetimes of a semiconductor wafer
04/08/1986US4581577 Continuity detecting apparatus
04/08/1986US4581576 Nondestructive method for profiling imperfection levels in high resistivity semiconductor wafers
04/08/1986US4581534 Image display system for a stroboscopic scanning electron microscope
04/02/1986EP0175995A1 Arrangement for testing integrated circuits
04/02/1986EP0175932A1 Method for determination of optimum parameters for stress screening of electronic components and circuit boards
04/02/1986EP0175870A2 Wafer scale integrated circuit device
04/02/1986EP0175765A1 Automated keyboard testing