| Patents for G01R 1 - Details of instruments or arrangements of the types covered by groups or (27,269) |
|---|
| 04/15/1981 | EP0026824A1 Adaptes for a device for electronically testing printed circuit boards |
| 04/07/1981 | US4259965 Skin electrode |
| 04/07/1981 | CA1098984A1 Low-profile test clip adapter |
| 03/31/1981 | US4259635 Electrical continuity and voltage testing device having a pair of probes spaced for insertion into an electrical socket |
| 03/24/1981 | US4258317 Combination analog-digital indicator |
| 03/24/1981 | US4258313 Socket test device for testing three way lamp sockets |
| 03/19/1981 | WO1981000792A1 Modular connector and protector |
| 03/17/1981 | CA1097598A1 Pen recorder driving mechanism |
| 02/24/1981 | US4253057 Compensation indicator for attenuation probe |
| 02/17/1981 | US4251772 Probe head for an automatic semiconductive wafer prober |
| 02/10/1981 | US4250448 Voltmeter apparatus for cascaded transformers |
| 01/20/1981 | CA1094161A1 Shrouded jaws for hook-on type instrument |
| 01/13/1981 | US4245189 Probe assembly for measuring conductivity of plated through holes |
| 01/07/1981 | EP0021697A2 Electrode probe |
| 01/07/1981 | EP0021181A1 Measuring instrument with a magnetic rotor |
| 12/30/1980 | US4242188 Method for controlling plasma chemical reactions |
| 12/16/1980 | US4240059 Current divider for a current sensing transducer |
| 12/09/1980 | US4238730 Magnetic brake-damper of electric measuring instrument |
| 12/09/1980 | US4238728 Voltage tester housing with prod retaining channels |
| 12/09/1980 | CA1091297A2 Compact moving coil meter |
| 12/02/1980 | US4237418 Electrical current indicating meter |
| 11/27/1980 | WO1980002599A1 Universal test fixture employing interchangeable wired personalizers |
| 11/25/1980 | US4236112 Power measuring apparatus |
| 11/25/1980 | US4235347 Air-tight molded resin enclosure with a safety membrane for electric devices |
| 11/18/1980 | US4234863 Inductive pickup clip |
| 11/13/1980 | WO1980002492A1 Pulse motor driving apparatus for automatic testing system |
| 11/13/1980 | WO1980002461A1 Automatic testing system for printed circuit boards |
| 11/11/1980 | US4232928 Apparatus employing flexible diaphragm for effecting substantially uniform force, individual couplings with multiple electrical contacts or the like |
| 10/29/1980 | EP0017876A1 Multiple purpose electrical measuring instrument |
| 10/28/1980 | US4230985 Fixturing system |
| 10/28/1980 | US4230984 Method and apparatus for driving an air core gage |
| 10/28/1980 | US4229874 Method of mounting a pivot insert |
| 10/07/1980 | US4227149 Sensing probe for determining location of conductive features |
| 10/01/1980 | EP0016210A1 Portable and foldable universal measuring instrument. |
| 10/01/1980 | EP0016087A1 Probe and interface device for integrated circuit wafers |
| 09/30/1980 | US4225819 Circuit board contact contamination probe |
| 09/30/1980 | CA1086828A1 Probe assembly for an electric meter |
| 09/23/1980 | US4224529 Automatic polarity changing device |
| 09/17/1980 | EP0015579A1 Test station |
| 09/16/1980 | US4223266 Adjustable spring regulator for setting indicating instrument pointer |
| 09/16/1980 | CA1085926A1 Circuit board testing apparatus |
| 08/26/1980 | US4219771 Four-quadrant, multiprobe-edge sensor for semiconductor wafer probing |
| 08/19/1980 | US4218651 Apparatus for detecting longitudinal and transverse imperfections in elongated ferrous workpieces |
| 08/12/1980 | US4217194 Instrument for polarographic potentiometric, thermal and like measurements and a method of making the same |
| 08/12/1980 | CA1083700A1 Programmable electrical apparatus containing a battery |
| 07/22/1980 | US4214201 Integrated circuit testing probe |
| 07/15/1980 | US4213088 Voltage measuring circuit |
| 07/15/1980 | US4213086 Selector device for the determination of the type of electroconductivity in semiconductor wafers |
| 07/08/1980 | US4211972 Self contained filar suspended meter rotor |
| 07/08/1980 | US4211911 Sandy fraction obtained as waste from combustion of brown coal as filler, lime as binder, cement |
| 07/01/1980 | US4210863 Extendible probe for use with test instruments |
| 07/01/1980 | US4210862 Test device for indicating an electric voltage and/or the polarity thereof, and the passage of current through an electric conductor |
| 07/01/1980 | US4210383 Circuit test clamp |
| 06/24/1980 | US4209745 Interchangeable test head for loaded test member |
| 06/24/1980 | US4209742 Modular probe system |
| 06/24/1980 | US4209154 Device for securing an apparatus in a wall |
| 06/11/1980 | EP0012065A1 Radiation detector for a tomographic apparatus |
| 06/03/1980 | US4206406 Means for adjusting the zero point setting of a meter |
| 05/13/1980 | US4202351 Identification means for electrocardiographic monitoring instruments or the like |
| 05/13/1980 | CA1077571A1 Sealing device for electrical meter |
| 05/13/1980 | CA1077570A1 Test pin |
| 05/06/1980 | US4201374 Substrate carrier |
| 05/06/1980 | US4201148 Pointer and scale indicating assembly |
| 04/29/1980 | US4200351 Straight through electrical spring probe |
| 04/29/1980 | CA1076648A1 Apparatus for measuring electric current |
| 04/22/1980 | US4198863 Electromagnetic torsional stiffness element |
| 03/25/1980 | US4195259 Multiprobe test system and method of using same |
| 03/20/1980 | WO1980000495A1 Portable and foldable universal measuring instrument |
| 03/05/1980 | EP0008404A2 Photometer with interchangeable calibration scales |
| 02/26/1980 | US4190311 Low-profile test clip adapter |
| 01/29/1980 | US4186339 Method and apparatus for measuring current, especially useful in multi-ampere systems |
| 01/29/1980 | US4186332 Limited rotation moving iron motor with novel velocity sensing and feedback |
| 01/29/1980 | US4185722 Magnetic clutch and brake assembly |
| 01/24/1980 | WO1980000101A1 Probe and interface device for integrated circuit wafers |
| 01/23/1980 | EP0007088A1 Device for operating contacts |
| 01/15/1980 | US4183609 Insulator board for spring probe fixtures |
| 01/15/1980 | CA1070006A2 Electrometer apparatus for reproduction machines |
| 12/25/1979 | US4180774 Regenerative method and apparatus to control an elastic reset torque in movable apparatus |
| 12/18/1979 | US4179652 Analyzing electrical circuit boards |
| 12/18/1979 | CA1068390A1 Instrument assembly |
| 12/12/1979 | EP0005727A1 Sensing probe for determining location of conductive spots |
| 12/11/1979 | US4178544 Electrical measurement circuitry for low level AC signals |
| 12/11/1979 | US4178543 Analyzing electrical circuit boards |
| 12/04/1979 | US4177497 Instrument cluster assembly |
| 12/04/1979 | US4177425 Multiple contact electrical test probe assembly |
| 11/28/1979 | EP0005557A2 Regulation system with novel velocity sensing and feedback for a limited rotation moving iron motor |
| 11/27/1979 | US4176315 Miniature electrical voltage and continuity tester with circuit compartment and test lead compartment casing |
| 11/27/1979 | US4175813 Tamper-proof adaptor for an electric meter |
| 11/13/1979 | US4174500 Scale plate for measuring instruments |
| 11/06/1979 | CA1065966A1 Temperature dependent voltage reference circuit |
| 10/16/1979 | US4171512 Circuit for preventing breakdown of a load resulting from wrong connection of a power source |
| 10/03/1979 | EP0004510A1 Measuring device for physiological signals to be placed on or inside a part of the body |
| 09/25/1979 | US4168870 Cabinet for electronic apparatus |
| 09/25/1979 | CA1063253A1 Integrated circuit substitution device |
| 09/05/1979 | EP0003933A1 Apparatus for establishing temporary test-contact connexions to electric circuits and its use. |
| 09/05/1979 | EP0003776A1 Needle-shaped centering device for a magnetically supported rotating shaft of a measuring device, in particular of an electricity meter |
| 08/14/1979 | US4164704 Plural probe circuit card fixture using a vacuum collapsed membrane to hold the card against the probes |
| 08/14/1979 | US4164145 Self-powered electrical meter for display of a liquid-level or the like measurement |
| 07/17/1979 | US4161692 Probe device for integrated circuit wafers |
| 07/10/1979 | US4161012 High voltage protection apparatus |