| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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| 02/11/1986 | US4569570 Optical sensor having atomically localized luminescence centers |
| 01/29/1986 | CN85200586U Automatic non-contact range converter |
| 01/21/1986 | CA1199696A1 Voltage divider |
| 01/14/1986 | US4564754 Method and apparatus for optically measuring a current |
| 01/14/1986 | US4564289 Single mode optical fiber polarimetric stress sensor having optical common mode rejection |
| 01/14/1986 | CA1199386A1 Proximity detector of electric lines, and method |
| 01/07/1986 | US4563770 Measuring device and method |
| 01/07/1986 | US4563639 Temperature and/or electrical intensity measuring apparatus based on the Faraday effect |
| 01/07/1986 | US4563634 Measuring and linearizing circuit device for a capacitive primary element |
| 01/07/1986 | US4563093 Voltage and electric field measuring device using light |
| 01/07/1986 | CA1199068A1 Voltage and electric field measuring device using light |
| 01/02/1986 | EP0166209A2 Device for checking protective measures in electrical equipment |
| 12/31/1985 | CA1198827A1 Test vector indexing method and apparatus |
| 12/31/1985 | CA1198786A1 Device for the amperemetry of a current in a conductor |
| 12/27/1985 | EP0165835A1 Current sensor with a magnetic core |
| 12/27/1985 | EP0165803A2 A system and an apparatus for locating a grounding fault on electric power equipment |
| 12/27/1985 | EP0165489A1 Device for measuring the electric parameters of a high-voltage line |
| 12/24/1985 | US4560932 Magneto-optical converter utilizing Faraday effect |
| 12/24/1985 | US4560867 Interferometer device for measurement of magnetic fields and electric current pickup comprising a device of this kind |
| 12/24/1985 | US4559954 Electronic clinical thermometer |
| 12/20/1985 | CN85100984A Method for detecting electric source disturbance |
| 12/17/1985 | US4559496 LCD Hook-on digital ammeter |
| 12/17/1985 | US4559495 Transducer free of any magnetic core for contactless current measurement |
| 12/11/1985 | EP0093727B1 Current transformer |
| 12/10/1985 | US4558310 Current sensing device and monitor |
| 12/10/1985 | CA1197900A1 Optical fibre interferometric electric current measuring device |
| 11/26/1985 | US4555640 Automatic high insulation switch |
| 11/19/1985 | US4554513 Replica circuit |
| 11/19/1985 | US4554449 Fiber optic magnetic field sensor |
| 11/12/1985 | US4553099 Electrostatic voltage sensor |
| 11/06/1985 | EP0160404A1 Sensor using photo-elasticity |
| 11/05/1985 | US4551636 Wide bandwidth signal coupling circuit having a variable voltage-level shift from input to output |
| 11/05/1985 | CA1196382A1 Current sensing circuit for motor controls |
| 10/23/1985 | EP0159257A1 Electronic circuit for measuring very weak signals superposed on a high potential |
| 10/23/1985 | EP0158783A1 Digital measurement instrument with a quasi analog display of the measured value |
| 10/16/1985 | EP0157881A1 Current detecting circuit |
| 10/15/1985 | US4547729 Optical fiber measuring devices |
| 10/15/1985 | CA1195382A1 Error-compensated high-voltage transformer |
| 10/09/1985 | EP0157135A1 Display method of a measured value |
| 10/09/1985 | EP0157054A1 Residual current circuit breaker |
| 10/09/1985 | EP0067153B1 Dual core magnetic amplifier sensor |
| 10/08/1985 | US4546487 Auto ranging counter |
| 10/08/1985 | US4546274 Non-linear integration circuit |
| 10/08/1985 | US4546262 Isolated high voltage controller |
| 10/08/1985 | US4545682 Optical gyroscope |
| 10/02/1985 | EP0156659A1 Electric current measuring device using a regularly shaped toroidal solenoid |
| 10/02/1985 | EP0156533A1 Metering system for measuring parameters of high ac electric energy flowing in an electric conductor |
| 09/25/1985 | EP0155627A1 Shunting device |
| 09/25/1985 | EP0155391A1 Device for measuring electrical currents using a magnetic-field sensor |
| 09/24/1985 | CA1194202A1 Non-linear alternating current transducer |
| 09/24/1985 | CA1194123A1 Voltage and electric field measuring device using light |
| 09/18/1985 | EP0155197A1 High-dynamic range small currents measuring device |
| 09/17/1985 | US4542338 Optical fibre interferometric electric current measuring device |
| 09/17/1985 | CA1193666A1 Current sensing relay |
| 09/17/1985 | CA1193663A1 Hall effect device test circuit |
| 09/10/1985 | US4540939 Apparatus for monitoring current levels in an a.c. transmission line |
| 09/10/1985 | US4540937 Electronic circuitry with self-calibrating feedback for use with an optical current sensor |
| 09/03/1985 | US4539521 Magnetic field measuring device |
| 09/03/1985 | US4539520 Remote current detector |
| 09/03/1985 | US4539519 Fiber optics device for measuring the intensity of an electric current utilizing the Faraday effect |
| 09/03/1985 | US4539480 For interconnecting two operationally interrelated subcircuits |
| 08/20/1985 | US4536706 Magnetic current sensor |
| 08/13/1985 | CA1191901A1 Fibre-optical measuring apparatus |
| 07/23/1985 | US4531092 Optoelectronic system for measuring electric or magnetic quantities utilizing a dual light beam of different wavelengths |
| 07/17/1985 | EP0148330A2 Integrable Hall element |
| 07/16/1985 | US4529931 Single-coil current measuring circuit |
| 07/16/1985 | US4529875 Fiber-optical measuring apparatus |
| 07/09/1985 | US4528637 Data acquisition system and analog to digital converter therefor |
| 07/09/1985 | US4528502 Current sensor |
| 07/09/1985 | CA1190285A1 Measurement shunt with compensation for induced error voltages |
| 07/02/1985 | CA1189721A1 Fiber optical measuring device for measuring electrical and magnetic quantities by laterally controlled photo-luminescence |
| 06/25/1985 | US4525874 Device for transmitting measured values to a remote location |
| 06/25/1985 | US4525873 Device for transmitting measured values to a remote location |
| 06/18/1985 | US4524322 Fiber optic system for measuring electric fields |
| 06/18/1985 | CA1189179A1 Automatic cab signal test set |
| 06/18/1985 | CA1189136A1 Active voltage divider |
| 06/12/1985 | EP0143970A2 Measuring circuit for an ionic current |
| 06/11/1985 | US4522495 Optical sensing devices |
| 05/28/1985 | US4520310 Autofunction voltmeter |
| 05/21/1985 | US4518913 Measuring probes |
| 05/21/1985 | CA1187553A1 Remote current detector |
| 05/09/1985 | WO1985002058A1 Divider of electrical signals |
| 05/07/1985 | US4516070 Magnetic current sensor with offset and load correction |
| 05/02/1985 | EP0139068A1 An apparatus for sensing and measuring a current on a power transmission line |
| 04/30/1985 | US4514860 Fiber optical measuring device for measuring electrical and magnetic quantities by laterally controlled photo-luminescence |
| 04/30/1985 | US4514684 Measurement system |
| 04/24/1985 | EP0137942A1 Electronic electricity meter with automatic measuring range extension |
| 04/23/1985 | US4513339 Current detecting apparatus |
| 04/23/1985 | US4513274 For use in electrical AC current |
| 04/23/1985 | US4513273 Transducer for current measurement |
| 04/23/1985 | CA1186054A1 System for analyzing complex signals |
| 04/17/1985 | EP0137347A1 A detector circuit for current measurements |
| 04/09/1985 | US4510444 Digital measuring device with liquid-crystal picture screen |
| 04/09/1985 | US4510443 Voltage measuring device |
| 04/09/1985 | US4510441 Electric field detector |
| 03/28/1985 | WO1985001355A1 Current detecting circuit |
| 03/27/1985 | EP0134943A1 System and method for detecting proximity to electrical power lines |
| 03/26/1985 | US4507740 Programmable signal analyzer |
| 03/26/1985 | US4507618 Compensation method and apparatus for an RC attenuator |
| 03/20/1985 | EP0134541A1 Supporting insulator for high voltage |