| 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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| 05/23/1990 | EP0369554A2 Apparatus for automatically scrubbing a surface |
| 05/23/1990 | EP0369530A2 Temperature sensing circuit |
| 05/23/1990 | EP0369273A1 Method for comparing the quality of HF absorbers |
| 05/23/1990 | EP0369112A1 Adapter for electronic test devices for printed-circuit boards and the like |
| 05/23/1990 | DE3900756C1 Method and device for monitoring electrical contact terminals |
| 05/23/1990 | DE3839289C1 Circuit for the operation of an integrated circuit of which it is a component, optionally in a test operation mode or a functional operation mode |
| 05/23/1990 | DE3839211A1 IO interface for digitial function tests |
| 05/23/1990 | CN2057514U Apparatus for calibrating cables |
| 05/22/1990 | US4928278 IC test system |
| 05/22/1990 | US4928066 Continuity coupling in a harness making machine |
| 05/22/1990 | US4928061 Multi-layer printed circuit board |
| 05/22/1990 | US4928058 Electro-optic signal measurement |
| 05/22/1990 | US4928002 Method of recording test results of die on a wafer |
| 05/22/1990 | US4927692 Antistatic mask for use with electronic test apparatus |
| 05/17/1990 | WO1990005311A1 Method and means for testing insulation integrity on low-voltage, unshielded electrical cables |
| 05/17/1990 | DE3903115C1 Arrangement for simulating the consequences of an electrostatic discharge |
| 05/17/1990 | DE3838657A1 Device for detecting the inadvertent loosening of the two plug parts of an electrical connector |
| 05/16/1990 | EP0368557A2 Compressor system comprising a surge detection system |
| 05/16/1990 | EP0368030A1 Measuring method and circuitry for the determination of the trip current of residual current breakers |
| 05/16/1990 | EP0368029A1 Measuring method and circuitry for testing protective measures in AC networks |
| 05/15/1990 | US4926452 Automated laminography system for inspection of electronics |
| 05/15/1990 | US4926425 System for testing digital circuits |
| 05/15/1990 | US4926424 Test auxiliary circuit for testing semiconductor device |
| 05/15/1990 | US4926363 Modular test structure for single chip digital exchange controller |
| 05/15/1990 | US4926352 Diagnostic system for control apparatus of a motor vehicle |
| 05/15/1990 | US4926330 Diagnosis system for a motor vehicle |
| 05/15/1990 | US4926285 Electrostatic discharge simulator with highly reproducible wave-front |
| 05/15/1990 | US4926234 Semiconductor device operating in high frequency range |
| 05/15/1990 | US4926118 Test station |
| 05/15/1990 | US4926117 For performing multiple tests on semiconductor devices |
| 05/15/1990 | US4925089 Environmental response control apparatus and method |
| 05/15/1990 | US4924589 Method of making and testing an integrated circuit |
| 05/11/1990 | CA2002324A1 Method for comparing the quality of rf absorbers |
| 05/10/1990 | DE3937120A1 Test adaptor with bushings for electronic circuit board - has plated through holes in bushing plate for short-circuit plugs connecting tracks of underlying conductor plate |
| 05/10/1990 | DE3929735A1 Finely controlling point of scanning tunnelling microscope - exerting electrostatic forces on metallised oxide diaphragm deflected vertically by tensions in two directions |
| 05/10/1990 | DE3922204C1 Non-contact voltage measurement method - has optically transparent plate in contact with liquid crystal coated IC with optical alignment and constant potential measurement |
| 05/10/1990 | DE3905856C1 Method and device for testing cable access connections |
| 05/10/1990 | DE3837821A1 High-precision CMOS Schmitt trigger |
| 05/09/1990 | EP0367728A1 A system for the automatic testing, preferably on a bench, of electronic control systems which are intended to be fitted in vehicles |
| 05/09/1990 | EP0367710A2 Diagnostics of a board containing a plurality of hybrid electronic components |
| 05/09/1990 | EP0367688A1 Process and appliance for detecting an open circuit in a transmission line |
| 05/09/1990 | EP0367379A1 Extended ion source apparatus and method for detecting insulation defects |
| 05/09/1990 | EP0367345A1 Logic analyser with double triggering |
| 05/09/1990 | EP0367115A1 Integrated circuit device having signal discrimination circuit and method of testing the same |
| 05/09/1990 | EP0366702A1 Integrated circuits. |
| 05/09/1990 | CN1042012A Power source device (system) for asynchronous motor experiment |
| 05/09/1990 | CN1007950B Torque determination for control of an induction motor apparatus |
| 05/08/1990 | US4924468 Logic analyzer |
| 05/08/1990 | US4924398 Fault diagnosis system for automotive electronic devices |
| 05/08/1990 | US4924391 Trouble-diagnosable multifunction testing apparatus |
| 05/08/1990 | US4924212 Temperature threshold detection circuit |
| 05/08/1990 | US4924177 Tester for solid state electronic components |
| 05/08/1990 | US4924175 Apparatus for displaying analog signatures of an electronic component |
| 05/08/1990 | US4924096 Non-contact testing of photovoltaic detector arrays |
| 05/08/1990 | CA1268820A1 Circuit testing |
| 05/08/1990 | CA1268818A1 Test system with shared test instruments |
| 05/08/1990 | CA1268813A1 Insulation testing device for gas insulated apparatus |
| 05/03/1990 | WO1990004792A1 Testing electrical circuits |
| 05/02/1990 | EP0366553A2 Test device and method for testing electronic device and semiconductor device having the test device |
| 05/02/1990 | EP0366453A2 Variable gain current-to-voltage amplifier with gain independent test mode operation |
| 05/02/1990 | EP0366220A1 Positive retention chip carrier |
| 05/02/1990 | EP0365874A1 Optical inspection system for solder joints and inspection method |
| 05/02/1990 | EP0365697A1 Circuit for detecting an open circuit composed by a load in series with an electronic switch |
| 05/02/1990 | EP0365649A1 Apparatus and method for mapping the connectivity of communications systems with multiple communications paths |
| 05/01/1990 | US4922492 Architecture and device for testable mixed analog and digital VLSI circuits |
| 05/01/1990 | US4922196 Beam-blanking apparatus for stroboscopic electron beam instruments |
| 05/01/1990 | US4922195 Extraneous frequency detector |
| 05/01/1990 | US4922190 Adaptor device for an arrangement for testing printed-circuit boards |
| 05/01/1990 | US4922185 Diagnostic meter base |
| 05/01/1990 | US4922184 Apparatus and process for the simultaneous continuity sensing of multiple circuits |
| 05/01/1990 | US4922183 Methods, systems and apparatus for detecting changes in variables |
| 05/01/1990 | US4922172 Motor test apparatus, system and method |
| 05/01/1990 | US4922097 Potential measurement device |
| 05/01/1990 | US4921810 Method for testing semiconductor devices |
| 05/01/1990 | CA1268550A1 Apparatus providing improved diagnosability |
| 04/25/1990 | EP0364925A1 Semiconductor integrated circuit having i/o terminals allowing independent connection test |
| 04/25/1990 | EP0364577A1 Disconnection detection apparatus for lamps |
| 04/25/1990 | EP0364536A1 Burn-in pads for tab interconnect structures |
| 04/25/1990 | EP0218791B1 Weighted random pattern testing apparatus and method |
| 04/25/1990 | CN2056545U Single phase power supply plug with electric leakage alarming |
| 04/25/1990 | CN2056517U Inspector for electric circuit on/off |
| 04/25/1990 | CN2056514U Safty electricity test pen |
| 04/24/1990 | US4920515 Programmable logic array having an improved testing arrangement |
| 04/24/1990 | US4920496 Apparatus and method for calculating signal level in decibels |
| 04/24/1990 | US4920310 Voltage detector |
| 04/24/1990 | US4919623 Burn-in socket for integrated circuit device |
| 04/24/1990 | US4918928 Apparatus for testing IC devices at low temperature and cooling bag for use in testing IC devices at low temperature |
| 04/24/1990 | CA1268214A1 Method and apparatus for analyzing errors in integrated circuits |
| 04/24/1990 | CA1268213A1 Fault detector for detecting faults in a dc capacitor circuit |
| 04/19/1990 | WO1990004233A1 Method of using electronically reconfigurable gate array logic and apparatus formed thereby |
| 04/19/1990 | WO1990004228A1 Pattern generator |
| 04/19/1990 | WO1990004188A1 Automotive battery status monitor |
| 04/19/1990 | WO1990004187A1 Dc/dc converter |
| 04/18/1990 | EP0363465A1 Test programme generation assisting apparatus for digital circuits. |
| 04/18/1990 | EP0198861B1 Control installation for batteries |
| 04/18/1990 | EP0067556B1 Digital data processing system |
| 04/17/1990 | US4918691 Testing of integrated circuit modules |
| 04/17/1990 | US4918390 Method and system for monitoring the condition of a plurality of electrical devices |
| 04/17/1990 | US4918385 Method and process for testing the reliability of integrated circuit (IC) chips and novel IC circuitry for accomplishing same |
| 04/17/1990 | US4918380 System for measuring misregistration |