| 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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| 03/02/1988 | EP0258023A2 Method and apparatus for testing electrical equipment |
| 03/02/1988 | EP0257911A2 Memory pointer with clustering |
| 03/02/1988 | EP0257870A2 A semiconductor device, making and testing thereof |
| 03/02/1988 | EP0257833A2 Wideband high impedance card-mountable probe |
| 03/02/1988 | EP0257832A2 Telescoping pin probe |
| 03/02/1988 | EP0257137A1 Device for measuring and controlling the spring contents of a connector block |
| 03/01/1988 | US4728898 Method and apparatus for detecting and locating faults in an AC transmission line using two indicators |
| 03/01/1988 | US4728885 Method and apparatus for duplicating electrical environmental conditions |
| 03/01/1988 | US4728883 Method of testing electronic circuits |
| 03/01/1988 | US4728823 Logic circuit testable as an inverter pair and operable as a flip-flop |
| 03/01/1988 | US4728790 Low-abberation spectrometer objective with high secondary electron acceptance |
| 03/01/1988 | US4728615 Method for producing thin-film photoelectric transducer |
| 02/25/1988 | WO1988001242A1 Circuit and process for checking electronic sensors |
| 02/25/1988 | WO1988001241A1 Driving and monitoring element for ingnition circuits |
| 02/25/1988 | DE3727549A1 Fault diagnosis system for electronic devices in motor vehicles |
| 02/25/1988 | DE3628068A1 Function tester for central processing system - has address and data operating fields for generating and verifying all bus signals |
| 02/24/1988 | EP0256378A1 Apparatus for reading a two-dimensional charge image |
| 02/24/1988 | EP0256341A1 Fast short-circuit detector device |
| 02/24/1988 | CN87208528U Multi-purpose test pencil |
| 02/24/1988 | CN87206881U Pocket type line output transformer breakdown detector |
| 02/24/1988 | CN85107886B Screening method of mosfet by gate-voltage and temp. |
| 02/23/1988 | US4727545 Method and apparatus for isolating faults in a digital logic circuit |
| 02/23/1988 | US4727320 Method and apparatus for motor size determination |
| 02/23/1988 | US4727318 Apparatus for measuring characteristics of electronic devices |
| 02/23/1988 | US4727317 Device orientation test method suitable for automatic test equipment |
| 02/23/1988 | US4727313 Fault simulation for differential cascode voltage switches |
| 02/23/1988 | US4727312 Circuit tester |
| 02/23/1988 | US4727306 Portable battery charger |
| 02/23/1988 | US4726661 Flexible resistive heat battery tester and holder |
| 02/18/1988 | DE3627802A1 Monitoring circuit for lines in alarm systems |
| 02/18/1988 | DE3627241A1 Schaltung und verfahren zur ueberpruefung elektronischer sensoren Circuit and method for verifying electronic sensors |
| 02/18/1988 | DE3627239A1 Schaltung zur ansteuerung und ueberwachung von zuendkreisen Circuit for controlling and monitoring of firing circuits |
| 02/17/1988 | CN86105804A Protable set of tools for vehicles |
| 02/16/1988 | US4725913 Residual current detector |
| 02/16/1988 | US4725784 Method and apparatus for determining the state-of-charge of batteries particularly lithium batteries |
| 02/16/1988 | US4725778 Field testing insulation between two conducting bodies subject to leakage |
| 02/16/1988 | US4725775 Resistor isolated burn-in socket board |
| 02/16/1988 | US4725773 Cross-contact chain |
| 02/16/1988 | US4725772 Electrical circuit tester selectively responsive to either presence or absence of AC power |
| 02/16/1988 | CA1232975A1 Noncontact full-line dynamic ac tester for integrated circuits |
| 02/11/1988 | WO1988001081A1 Transformer life consumption indicator |
| 02/11/1988 | WO1988001060A1 Integrated circuits and method of testing same |
| 02/11/1988 | WO1988001055A1 Apparatus and method for measuring battery condition |
| 02/11/1988 | DE3627114A1 Circuit arrangement for testing the turn-on characteristic of a thyristor valve |
| 02/11/1988 | DE3626034A1 Method for automatically testing pot-core coils |
| 02/10/1988 | EP0255659A1 Electronic overcurrent tripping relay |
| 02/10/1988 | EP0255658A1 Device for influencing a switching apparatus |
| 02/10/1988 | CN86209203U Automatic self-checking electroscope |
| 02/10/1988 | CN86206840U Electrical safety cut-off with distinguishing capacity between live wire and zero line |
| 02/09/1988 | US4724528 Battery charge level monitor in a computer system |
| 02/09/1988 | US4724380 Integrated circuit having a built-in self test design |
| 02/09/1988 | US4724379 Relay multiplexing for circuit testers |
| 02/09/1988 | US4724378 Calibrated automatic test system |
| 02/09/1988 | US4724377 Apparatus for testing electrical printed circuit boards |
| 02/09/1988 | US4724376 Low voltage AC ohmeter |
| 02/09/1988 | US4723656 Battery package with battery condition indicator means |
| 02/09/1988 | CA1232635A1 Motor monitor signal analysis system |
| 02/04/1988 | DE3625194A1 Test device and method for testing the electric strength of high-voltage cables |
| 02/03/1988 | EP0255449A1 Semiconductor integrated circuit having a test circuit |
| 02/03/1988 | EP0255362A2 Semiconductor integrated circuit |
| 02/03/1988 | EP0255247A2 Hot chuck assembly for integrated circuit wafers |
| 02/03/1988 | EP0255204A2 Electrical test connector |
| 02/03/1988 | EP0255118A2 Pattern generator |
| 02/03/1988 | EP0254981A2 Diagnostic circuit |
| 02/03/1988 | EP0254804A2 Electrical continuity sensing circuit |
| 02/03/1988 | CN87208823U Hammer for measurement |
| 02/03/1988 | CN87205848U Induction electricity meter |
| 02/03/1988 | CN87204046U Folding electrician's knife with electricity test |
| 02/03/1988 | CN87200266U Isolate voltage measuring bar |
| 02/03/1988 | CN87104748A Dielectric detecting apparatus for gas dielectric equipment |
| 02/02/1988 | US4722226 Acoustic monitor for rotary electrical machinery |
| 01/28/1988 | WO1987007968A3 Multi-mode counter network |
| 01/28/1988 | DE3624367A1 Chargeable hand or pocket lamp and/or on-board lamp for operations on the electrical motor vehicle system with integrated system voltage monitoring and charging control |
| 01/28/1988 | DE3622916A1 Arrangement for testing different cables, wiring matrices and circuit boards with the aid of an automatic test device |
| 01/27/1988 | EP0254691A2 Method and apparatus for testing eprom type semiconductor devices during burn-in |
| 01/27/1988 | EP0254085A2 Method of testing a stepping motor |
| 01/27/1988 | EP0254017A2 Calibrated automatic test system |
| 01/27/1988 | EP0254012A2 Active load network |
| 01/27/1988 | EP0254011A2 Adjustable impedance driver network |
| 01/27/1988 | EP0253822A1 Wrist strap ground monitor |
| 01/27/1988 | EP0140206B1 Method and circuit for oscillation prevention during testing of integrated circuit logic chips |
| 01/27/1988 | EP0120087B1 Noncontact electrostatic hoop probe for combustion engines |
| 01/26/1988 | US4721917 Coating continuity detector |
| 01/26/1988 | US4721916 Method for diagnosing an insulation deterioration of a power cable |
| 01/26/1988 | US4721910 High speed circuit measurements using photoemission sampling |
| 01/26/1988 | US4721909 Apparatus for pulsing electron beams |
| 01/26/1988 | US4721908 Apparatus for electronically testing printed cirucit boards or the like |
| 01/26/1988 | US4721907 Apparatus for automated testing of surface mounted components |
| 01/26/1988 | US4721899 Combined air-direct testing simulator |
| 01/26/1988 | US4721894 Temperature monitor system for an intermittent duty wound field motor |
| 01/26/1988 | US4721855 Method and apparatus for rapid measurements of electrical signals at circuit nodes of integrated circuits in which noise signals are also detected |
| 01/20/1988 | EP0253746A1 Method and apparatus for dynamic testing of thin-film conductor |
| 01/20/1988 | EP0253098A1 Measuring arrangement for the evaluation of a sequence of signals generated by corpuscular radiation |
| 01/20/1988 | EP0253085A1 Method for detecting and obtaining information about changes in variables |
| 01/20/1988 | EP0253015A1 Transport system for a testing device for electronic components |
| 01/20/1988 | CN87203996U Photoelectric halo measurer |
| 01/20/1988 | CN87203993U Withstanding ac voltage testing instrument for capacitor |
| 01/20/1988 | CN87103447A Ring belt for lifting heavy load |
| 01/19/1988 | US4720672 Testability system |
| 01/19/1988 | US4720671 Semiconductor device testing device |