| 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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| 06/06/1989 | US4837519 Fault detection |
| 06/06/1989 | US4837508 Process and device for checking the operational state of a variable reluctance magnetic sensor and their application to automobile electronics |
| 06/06/1989 | US4837506 Apparatus including a focused UV light source for non-contact measuremenht and alteration of electrical properties of conductors |
| 06/06/1989 | US4837505 Test mode activation circuit |
| 06/06/1989 | US4837502 Computer-aided, logic pulsing probe for locating faulty circuits on a printed circuit card |
| 06/06/1989 | US4837488 Portable identifier and tester units for computer communication cables |
| 06/06/1989 | US4837454 Vehicle control apparatus |
| 06/06/1989 | US4835855 Method and apparatus for crimping |
| 06/06/1989 | CA1255359A1 Control apparatus for the electronic detection in alternating current transmission lines of fault locations causing power losses |
| 06/01/1989 | WO1989004970A1 Procedure and device for locating a cable fault |
| 05/31/1989 | EP0318140A2 Pseudo-random generator and check sum circuitry for VLSI chip |
| 05/31/1989 | EP0317626A1 High speed hybrid digital driver |
| 05/31/1989 | EP0317578A1 Tri-state circuit tester |
| 05/31/1989 | CN2038672U Plug (socket) with current leakage alarming function |
| 05/31/1989 | CN2038633U Load-on type screw-driver with voltage tester |
| 05/31/1989 | CN2038632U Current meter with double pointer for monitoring leakage current |
| 05/30/1989 | US4835774 Semiconductor memory test system |
| 05/30/1989 | US4835736 Data acquisition system for capturing and storing clustered test data occurring before and after an event of interest |
| 05/30/1989 | US4835729 Single instruction multiple data (SIMD) cellular array processing apparatus with on-board RAM and address generator apparatus |
| 05/30/1989 | US4835513 Method and apparatus for testing an airbag restraint system |
| 05/30/1989 | US4835479 Apparatuses for testing multi-core cables for leakage between cores |
| 05/30/1989 | US4835478 Method and apparatus for acoustic detection of faults in underground cables |
| 05/30/1989 | US4835476 Voltage measuring sheet |
| 05/30/1989 | US4835475 Battery tester including a thermochromic material |
| 05/30/1989 | US4835469 Integrated circuit clip for circuit analyzer |
| 05/30/1989 | US4835466 Apparatus and method for detecting spot defects in integrated circuits |
| 05/30/1989 | US4835465 Testing apparatus for plated through-holes on printed circuit boards, and probe therefor |
| 05/30/1989 | US4835458 Signature analysis technique for defect characterization of CMOS static RAM cell failures |
| 05/30/1989 | US4835453 Battery-powered device |
| 05/30/1989 | US4834663 Device for testing cables provided with plugs |
| 05/30/1989 | US4834659 Adaptor in apparatus for electronically testing printed circuit boards |
| 05/30/1989 | US4834540 Projection exposure apparatus |
| 05/24/1989 | EP0317440A1 Device for controling a soldering joint by electronic mesurement of the soldering joint area |
| 05/24/1989 | EP0317014A1 Random access memory unit with plural test modes and computer equipped with such units |
| 05/24/1989 | EP0316973A2 Automatic testing of position sensing devices |
| 05/24/1989 | DE3838032A1 Method and apparatus for structure testing |
| 05/24/1989 | DE3837800A1 Circuit arrangement for monitoring the condition of fusible conductor connections |
| 05/24/1989 | DE3738644A1 Digital circuit arrangement |
| 05/24/1989 | CN2038247U Coaxial cable line-mixing failure positioning apparatus for road way non-excavated |
| 05/24/1989 | CN2038246U Circuit on-off display unit |
| 05/24/1989 | CN2038245U Portable high pressure characteristic test apparatus |
| 05/23/1989 | US4833676 Interleaved method and circuitry for testing for stuck open faults |
| 05/23/1989 | US4833563 Molded case circuit breaker actuator-accessory module |
| 05/23/1989 | US4833459 Circuit arrangement for continually monitoring the quality of a multicell battery |
| 05/23/1989 | US4833415 Apparatus and method for detecting current leakage through insulating structure |
| 05/23/1989 | US4833414 Method and apparatus for the identification of a faulty conductor in a multiple supply line |
| 05/23/1989 | US4833403 Method and apparatus for measuring settling characteristics of a device under test by using a measurement system for measuring an input signal by sampling and digitizing said input signal |
| 05/23/1989 | US4833402 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 |
| 05/23/1989 | US4833398 Electric water heater analyzer |
| 05/23/1989 | US4833397 Tester for verification of pulse widths in a digital system |
| 05/23/1989 | US4833396 Lead frame short tester |
| 05/23/1989 | US4833395 Semiconductor device having a test circuit |
| 05/23/1989 | US4833324 Nondestructive readout of a latent electrostatic image formed on an insulating material |
| 05/23/1989 | US4832621 Probe for in-circuit emulator |
| 05/23/1989 | CA1254670A1 Method and apparatus for identifying points on a specimen having a defined time-dependent signal |
| 05/23/1989 | CA1254669A1 Flexible imbedded test system for vlsi circuits |
| 05/18/1989 | WO1989004519A1 Integrated circuit signature analyzer for testing digital circuitry |
| 05/18/1989 | WO1989004493A1 Process and arrangement for measuring the variation of a signal at a measuring point of a probe |
| 05/18/1989 | WO1989004477A1 Automated laminography system for inspection of electronics |
| 05/18/1989 | DE3828856A1 Abstimmverfahren und -einrichtung fuer kapazitaetsmessbruecken Capacitance bridges tuning and setup for |
| 05/18/1989 | DE3828343A1 Anordnung zur messung kleinster kapazitaetsaenderungen Arrangement for the measurement of very small kapazitaetsaenderungen |
| 05/18/1989 | DE3738199A1 Device for testing and sorting electronic components |
| 05/18/1989 | DE3737713A1 Method for carrying out a test and acceptance of an electronic device |
| 05/18/1989 | DE3737445A1 Circuit arrangement for monitoring a low-resistance electrical component for interruption |
| 05/17/1989 | EP0315792A2 Interconnection system for integrated circuit chips |
| 05/17/1989 | EP0315707A1 Adapter for a device for electronic testing of printed circuit boards |
| 05/16/1989 | US4831623 Swap scan testing of digital logic |
| 05/16/1989 | US4831560 Method for testing auto electronics systems |
| 05/16/1989 | US4831328 Measurement processing arrangement |
| 05/16/1989 | EP0299060A4 High impedance fault analyzer in electric power distribution. |
| 05/16/1989 | CA1254271A1 Synchronization detection circuit |
| 05/11/1989 | DE3736340A1 Method for stroboscopically imaging a periodic process in a scanning microscope |
| 05/10/1989 | EP0315475A2 Global event qualification system |
| 05/10/1989 | CN2037479U Noncontact electrometrical unit |
| 05/09/1989 | US4829521 Test circuit for detecting short duration pulses |
| 05/09/1989 | US4829520 In-place diagnosable electronic circuit board |
| 05/09/1989 | US4829289 Static grounding and monitoring accessory |
| 05/09/1989 | US4829284 Procedure for monitoring of an object using a signal line, together with a pulse measuring apparatus to carry out this procedure |
| 05/09/1989 | US4829256 Insulation testing device for gas insulated apparatus |
| 05/09/1989 | US4829255 Probe for sealed connector |
| 05/09/1989 | US4829243 Electron beam testing of electronic components |
| 05/09/1989 | US4829241 Apparatus for testing printed circuit boards |
| 05/09/1989 | US4829240 Secondary electron measuring circuit |
| 05/09/1989 | US4829238 Method and apparatus for monitoring electromagnetic emission levels |
| 05/09/1989 | US4829237 Circuit device having a self-testing function and a testing method thereof |
| 05/09/1989 | US4829236 Digital-to-analog calibration system |
| 05/09/1989 | US4829234 Method and apparatus for measuring the resistance of the winding of a converter-fed single- or three phase machine during operation |
| 05/09/1989 | US4829014 Discretionary interconnection of acceptable devices only |
| 05/09/1989 | CA1253918A1 Method and apparatus for testing electrical equipment |
| 05/05/1989 | WO1989004000A1 Process and device for determining the energy content of an electrochemical storage battery |
| 05/03/1989 | EP0314560A1 Adjustable generator for successive voltage ramps of different slopes |
| 05/03/1989 | EP0314481A1 A temperature control instrument for electronic components under test |
| 05/03/1989 | EP0314375A2 Telecommunications wiring test apparatus and method |
| 05/03/1989 | DE3835647A1 Schaltungsanordnung mit eingangsleitungen und einer ausgangsleitung Circuit with input lines and one output line |
| 05/03/1989 | CN2037073U Memory type logical oscilloscope interface |
| 05/03/1989 | CN2037072U Multifunctional electronic test pencil (apparatus) |
| 05/03/1989 | CN2037071U Contactless type electric tester with audio and vidio alarm |
| 05/02/1989 | US4827476 Scan test apparatus for digital systems having dynamic random access memory |
| 05/02/1989 | US4827437 Auto calibration circuit for VLSI tester |
| 05/02/1989 | US4827220 Method and apparatus for testing batteries |