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)
10/1986
10/28/1986US4620156 Condition indicator
10/28/1986CA1213325A1 Digital circuit testing arrangement
10/28/1986CA1213311A1 Self testing system for reproduction machine
10/23/1986WO1986006176A1 Target keys for wafer probe alignment
10/23/1986WO1986006173A1 Battery tester and method for making the tester
10/23/1986WO1986006138A1 Injector driver fault detect and protection device
10/22/1986EP0198647A2 Method and apparatus for detecting a dead zone in the transfer function of a signal processing system
10/22/1986EP0198568A2 Data capture logic system
10/22/1986EP0100313B1 Device and method for automatically checking microprocessor-controlled electric apparatus, particularly in motor vehicles
10/22/1986CN85203769U Electronic voltage-detecting unit
10/21/1986US4618954 Method of detecting abnormality in input and output units
10/21/1986US4618819 Measurement of electrical signals with subpicosecond resolution
10/21/1986US4618208 Circuit test clip
10/21/1986CA1213071A1 Memory-based digital word sequence recognizer
10/21/1986CA1213005A1 Lssd-testable d-type edge-trigger-operable latch with overriding set/reset asynchronous control
10/15/1986EP0197636A1 Electrical connector for electrical circuit test probe and connector
10/15/1986EP0197362A1 Method making use of a scanning microscope to determine the points on a sample conducting a signal of a predetermined frequency
10/15/1986EP0094966B1 Ebulliometric hot spot detector
10/15/1986CN86102660A Printed circuit board function testing system and method of using said system
10/15/1986CN86101150A Torque determination for control of an induction motor apparatus
10/14/1986US4617648 Semiconductor integrated circuit device
10/14/1986US4617519 Testing device for a fluorescent lamp and lamp holder
10/14/1986US4617513 Measurement device for use in high-voltage gas-insulated switch gear
10/14/1986US4617510 Testing installation for electric circuits of a motor vehicle
10/09/1986WO1986005888A1 Device to control electrical consumers in powered vehicles
10/08/1986EP0196958A2 Electron beam test probe for integrated-circuit testing
10/08/1986EP0196885A2 Method for monitoring a heater
10/08/1986EP0196804A1 Method and apparatus for testing integrated electronic device
10/08/1986EP0196771A2 Improved programmable logic device
10/08/1986EP0196692A1 Card holder
10/08/1986EP0196556A1 Method for measuring the distance of an insulating fault on a line, and device for the realisation of this method
10/08/1986EP0196540A1 Waveform data display
10/08/1986EP0196534A1 Method and device making use of it to determine the signal frequencies at at least one point of a sample with the use of a scanning microscope
10/08/1986EP0196531A1 Method for indirectly determining the intensity distribution of pulsed particle beams produced in a particle beam measuring instrument
10/08/1986EP0196508A1 Apparatus for simulating staticelectricity discharges
10/08/1986EP0196496A1 Printed circuit conductor test system
10/08/1986EP0196475A1 Noncontact testing of integrated circuits
10/08/1986EP0196310A1 Integrated circuit tester and remote pin electronics therefor
10/08/1986CN85101415A Static leonard unit
10/07/1986US4616179 Method of measuring torque of an AC motor
10/07/1986US4616178 Pulsed linear integrated circuit tester
10/07/1986CA1212416A1 Device for measuring at a distance the phase in an electrical network transmission line and/or feeder
10/01/1986EP0196171A2 Digital integrated circuits
10/01/1986EP0196167A2 Method for adjusting a time delay
10/01/1986EP0196158A1 Apparatus and methods for resistivity testing
10/01/1986EP0196152A2 Testing digital integrated circuits
10/01/1986EP0196083A2 Logic circuit
09/1986
09/30/1986US4614386 Adaptor for changing the pitch of a contact array used with a printed circuit board testing apparatus
09/30/1986CA1212147A1 Method and device for locating a fault point on a three-phase power transmission line
09/25/1986WO1986005604A1 Voltage/current source
09/24/1986EP0195556A1 Test clip for PLCC
09/24/1986EP0195164A1 Integrated circuits
09/23/1986US4613970 Integrated circuit device and method of diagnosing the same
09/23/1986US4613814 Method of measuring a frequency domain characteristic
09/23/1986US4613777 Binary signal comparator using two d flip-flops for precise triggering
09/23/1986US4612805 Adhesion characterization test site
09/23/1986CA1211853A1 Multimode scan apparatus
09/17/1986EP0194805A1 Test clip for PLCC
09/17/1986EP0194788A2 Automatic test equipment and method for operating it
09/17/1986EP0194755A1 Method and apparatus for detection of AC power failure conditions
09/17/1986CN85108028A Circuit of checking abnormality for inverted amplifier
09/16/1986US4612639 Apparatus and method for reading switches
09/16/1986US4612638 Diagnostic protection circuit and method using tri-state control and positive feedback
09/16/1986US4612499 Test input demultiplexing circuit
09/16/1986US4612498 Induction furnace fault locator
09/16/1986US4612453 Integrated circuit device having a circuit means for detecting a disconnection of input signal line
09/16/1986CA1211508A1 Digital signal sampling system with two unrelated sampling timebases
09/12/1986WO1986005277A1 Method and circuit for detecting a fault condition
09/10/1986EP0194104A2 Apparatus for automatically inspecting electrical connecting pins
09/10/1986EP0193811A2 Method for transforming switch level representation of a MOS circuit to a Boolean representation and method of simulating faults in a switch level representation of a MOS circuit by using its boolean representation
09/10/1986EP0193761A2 Method for testing DC motors
09/10/1986EP0193724A2 Method and apparatus for the calibration of a time-measuring device
09/10/1986CN85108601A Apparatus and method for automatic lead fail detection in electrocardiography
09/09/1986US4611116 Light emitting diode intensity tester
09/09/1986US4610710 Automobile heated back lights for defrosting; "hall effect" probe
09/09/1986CA1211225A1 Relay multiplexing for circuit testers
09/09/1986CA1211224A1 Relay multiplexing for circuit testers
09/03/1986EP0192981A1 Circuit for measuring characteristics of a device under test
09/03/1986CN85107867A Dynamic analytic device semiconductor rectifying element and its analytic method
09/02/1986US4610012 Signal transmission system featuring bidirectional transmission of different signal types over a common transmission line connecting a central unit and a plurality of terminal units
09/02/1986US4609867 Method for measuring electrical potentials at buried solid state matter
09/02/1986US4609866 Electrical systems interference locator
09/02/1986US4609865 Grounding system test apparatus
09/02/1986US4609291 Photoelectric element characteristic measuring apparatus
09/02/1986CA1210814A1 Apparatus for detecting ground fault in variable- voltage variable-frequency power system
08/1986
08/28/1986WO1986004995A1 Logic circuit having improved testability for defective via contacts
08/27/1986EP0192563A1 Device for induction measuring in the air gap of a magnetic bearing
08/27/1986EP0192456A2 Semiconductor integrated circuit
08/27/1986EP0192345A1 Apparatus for automated testing of surface mounted components
08/27/1986EP0192121A2 Test circuit for a cross-coupled transistor storage cell
08/27/1986EP0191899A2 Sensor for measuring electrical properties in an electric field
08/26/1986US4608669 Self contained array timing
08/26/1986US4608647 Method and apparatus for determining the noise power ratio (NPR) of a unit under test
08/26/1986US4608531 Test set for testing as a unit an amplifier system having several modules
08/26/1986US4607932 Battery checking device
08/26/1986CA1210451A1 Method and apparatus utilizing magnetic field sensing for detecting discontinuities in a conductor member associated with a glass sheet
08/20/1986EP0191478A2 Measurement circuit for evaluating a digital-to-analog converter
08/20/1986EP0096033B1 Insulation analyzer apparatus and method of use
08/20/1986CN85205685U Domestic protecting device with function of preventing consuming electric power illegally for watthour meter
08/20/1986CN85204284U Spirally thrusting null indicator for insulator