| 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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| 01/24/1989 | US4800336 Battery level indicator supplying data from a memory to a display in a power-off state |
| 01/24/1989 | US4800335 Test fixture for circuit components on circuit boards |
| 01/24/1989 | US4800301 Method and apparatus for sensing signals |
| 01/24/1989 | US4800294 Pin driver circuit |
| 01/24/1989 | US4799362 Modular home ice maker test apparatus |
| 01/24/1989 | CA1249340A1 Electrical connector for electrical circuit test probe and connector |
| 01/24/1989 | CA1249337A1 Line protection |
| 01/19/1989 | DE3722805A1 Method and device for measuring the slip of asynchronous motors |
| 01/18/1989 | EP0299432A2 A voltage detecting device |
| 01/18/1989 | EP0299427A2 Voltage detector |
| 01/18/1989 | EP0299060A1 High impedance fault analyzer in electric power distribution. |
| 01/18/1989 | EP0139638B1 Insulation analyzer and method |
| 01/18/1989 | CN2031104U On-line dual purpose tester for mini-integrated circuit |
| 01/18/1989 | CN2031101U Multi-function test pen |
| 01/17/1989 | US4799220 Dynamic system for testing an equipment |
| 01/17/1989 | US4799175 System for inspecting pattern defects of printed wiring boards |
| 01/17/1989 | US4799130 Use with electrical equipment |
| 01/17/1989 | US4799063 Method and apparatus for isolating faults in an antenna system |
| 01/17/1989 | US4799023 Circuits and apparatus which enable elimination of setup time and hold time testing errors |
| 01/17/1989 | US4799021 Method and apparatus for testing EPROM type semiconductor devices during burn-in |
| 01/17/1989 | US4799019 Electrical continuity load monitoring circuit |
| 01/17/1989 | US4799009 Semiconductor testing device |
| 01/17/1989 | US4799008 AC level calibration apparatus |
| 01/17/1989 | US4799004 Transfer circuit for operation test of LSI systems |
| 01/17/1989 | US4798989 Scanning tunneling microscope installed in electron microscope |
| 01/17/1989 | US4798950 Radiation characteristic measuring apparatus for laser diode |
| 01/17/1989 | US4798082 Control-display device for an engine-equiped apparatus |
| 01/17/1989 | CA1249075A1 Method and apparatus for controlling the throat height of batch fabricated thin film magnetic transducers |
| 01/17/1989 | CA1249024A1 Internal armature current monitoring in large three- phase generator |
| 01/12/1989 | WO1989000296A1 Apparatus for testing printed circuits |
| 01/12/1989 | DE3819235A1 Circuit arrangement for monitoring the serviceability of resistive heating elements |
| 01/11/1989 | EP0298865A1 Automatic system for the endurance-testing of a plurality of electrical conducting elements |
| 01/11/1989 | EP0298625A2 Method of and apparatus for establishing a servicing mode of an electronic apparatus |
| 01/11/1989 | EP0298556A1 Battery-powered device |
| 01/11/1989 | EP0298219A2 Method and apparatus for testing unpackaged integrated circuits in a hybrid circuit environment |
| 01/11/1989 | CN2030730U Transistor on-line test pen |
| 01/11/1989 | CN2030729U High-speed fuse for detecting starting current of electrical appliance |
| 01/11/1989 | CN2030728U Ac electroscope |
| 01/11/1989 | CN2030724U Trouble test instrument for electric cable |
| 01/11/1989 | CN1030301A Dynamic life tester and quality analysis for semiconductor rectifying devices |
| 01/10/1989 | US4797886 Memory test pattern generator |
| 01/10/1989 | US4797838 Procedure for evaluating the metastability characteristics of a synchronizing device |
| 01/10/1989 | US4797805 Fault location in a power supply network |
| 01/10/1989 | US4797627 Programmatically generated in-circuit test for general purpose operational amplifiers |
| 01/10/1989 | US4797623 Tester for fire-suppresion componentry |
| 01/10/1989 | US4797622 Technique for determining the values of circuit elements in a three terminal equivalent circuit |
| 01/10/1989 | US4797610 Electronic test fixture |
| 01/10/1989 | US4797609 LED monitoring without external light detection |
| 01/10/1989 | US4797118 Test adapter for integrated circuit carrier |
| 01/10/1989 | US4796996 Laser temperature modulation and detection method |
| 01/04/1989 | EP0297821A2 Semiconductor integrated circuit device having gate array and memory |
| 01/04/1989 | EP0297719A2 Device for synchronizing the output pulses of a circuit with an input clock |
| 01/04/1989 | EP0297562A2 Voltage detector |
| 01/04/1989 | EP0297398A2 A processing pulse control circuit |
| 01/04/1989 | CN2030328U Induced testing current instrument |
| 01/04/1989 | CN2030327U Fusing capability measuring meter for fuse |
| 01/03/1989 | US4796283 Surge counter for an overvoltage arrester |
| 01/03/1989 | US4796206 Computer assisted vehicle service featuring signature analysis and artificial intelligence |
| 01/03/1989 | US4796080 Semiconductor chip package configuration and method for facilitating its testing and mounting on a substrate |
| 01/03/1989 | US4795983 Method and apparatus for identifying a faulted phase |
| 01/03/1989 | US4795982 Fault indicator having delayed trip circuit |
| 01/03/1989 | US4795977 Interface system for interfacing a device tester to a device under test |
| 01/03/1989 | US4795976 Apparatus and derivative technique for testing devices |
| 01/03/1989 | US4795966 Method and apparatus for measuring the equivalent series resistances of a capacitor |
| 01/03/1989 | US4795964 Method and apparatus for measuring the capacitance of complementary field-effect transistor devices |
| 01/03/1989 | CA1248181A1 Electric device or circuit testing method and apparatus |
| 01/03/1989 | CA1248177A1 Tester for solid state electronic components |
| 01/03/1989 | CA1247840A1 Gauging method and apparatus for components having leads |
| 12/29/1988 | WO1988010528A1 Shorted-coaxial-cable detector for local-area networks |
| 12/29/1988 | WO1988010224A1 Handler for ic packages |
| 12/29/1988 | DE3819386A1 Device for the detection of functional disturbances in sliding contact converters for use in motor vehicles |
| 12/29/1988 | DE3720089A1 Circuit for monitoring short-circuits in a bridge output stage of an electronic system of a motor vehicle |
| 12/29/1988 | DE3719497A1 System zur pruefung von digitalen schaltungen System for digital circuits pruefung |
| 12/29/1988 | DE3719202A1 Method for automatically testing electrical assemblies |
| 12/29/1988 | DE3719148A1 Device for testing and sorting electronic components, particularly ICs |
| 12/28/1988 | EP0296884A2 Method for in-circuit testing of electronic devices |
| 12/28/1988 | CN88211491U Dynamical reliability monitor for electronic elements |
| 12/27/1988 | US4794599 Test apparatus for electronic equipment |
| 12/27/1988 | US4794339 Method and apparatus for electrically testing telecommunications cables |
| 12/27/1988 | US4793189 Thick-film strain gauge for sensing stresses & strains in mechanical members or structures |
| 12/21/1988 | EP0295805A2 Automated burn-in system |
| 12/21/1988 | EP0295800A2 Circuit testing |
| 12/21/1988 | EP0295782A1 In-circuit transistor beta test and method |
| 12/21/1988 | EP0295760A2 Block diagram editor system and method |
| 12/21/1988 | EP0295440A1 Measuring process and appliance for the diffusion length determination of minority charge carriers for the interference-free detection of defects and pollutants in semiconductor crystal bodies |
| 12/21/1988 | EP0295425A2 Improved delay testing for high speed logic |
| 12/21/1988 | EP0295413A1 Mechanical probe for the optical measurement of electrical potentials |
| 12/21/1988 | EP0295388A2 Method of partitioning, testing and diagnosing a VLSI multichip package and associated structure |
| 12/21/1988 | EP0295240A1 Method and device for detecting a fault, e.g. a short circuit, break or leakage, in an electric cable or conductor |
| 12/20/1988 | US4792951 Apparatus and method of stimulating an equipment |
| 12/20/1988 | US4792932 Time measurement in automatic test equipment |
| 12/20/1988 | US4792911 Diagnostic apparatus for an electric generator seal oil system |
| 12/20/1988 | US4792762 Battery check system |
| 12/20/1988 | CA1247258A1 Measuring method of a transistor |
| 12/20/1988 | CA1247225A1 Protective relaying apparatus for providing fault- resistance correction |
| 12/15/1988 | WO1988010060A1 Method and system for configuring, automating and controlling operations performed on pcbs |
| 12/15/1988 | WO1988010028A1 Programmable level shifting interface device |
| 12/15/1988 | WO1988010027A1 High speed hybrid digital driver |
| 12/15/1988 | DE3717528A1 Circuit board tester |
| 12/14/1988 | EP0295046A1 Test socket with improved contact engagement |