| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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| 03/19/1985 | US4506214 Measuring transformer |
| 03/13/1985 | EP0134187A2 Measuring arrangement for detecting partial discharge within metal-shielded, pressure gas-isolated high-voltage commutator arrangements |
| 03/12/1985 | CA1183956A1 Process variable transmitter having a non-interacting operating range adjustment |
| 03/06/1985 | EP0133695A1 Sensing system for measuring a parameter |
| 02/26/1985 | US4502004 Current pulse monitor |
| 02/19/1985 | US4500838 Current sensor |
| 02/13/1985 | EP0132745A2 Device for measuring direct currents |
| 02/13/1985 | EP0132728A1 Device for controlling alternating high voltages |
| 02/12/1985 | CA1182537A1 Dynamic current sensor |
| 01/29/1985 | US4496932 Current divider for current measurement in conjunction with a measurement transducer |
| 01/16/1985 | EP0131229A1 Circuit arrangement for the emission of analogous signals |
| 01/15/1985 | US4494183 Process variable transmitter having a non-interacting operating range adjustment |
| 01/15/1985 | US4494068 Measurement shunt with compensation for induced error voltages |
| 01/09/1985 | EP0130706A1 Electronic circuitry with self-calibrating feedback for use with an optical current sensor |
| 01/08/1985 | US4493045 Test vector indexing method and apparatus |
| 01/08/1985 | US4492919 Current sensors |
| 01/08/1985 | US4492918 High voltage power line phase angle and current measuring instrument |
| 01/08/1985 | CA1180759A1 Conductivity detector and method |
| 01/02/1985 | EP0129817A1 Circuit with a Hall generator |
| 01/02/1985 | CA1180388A Method and circuit arrangement for non-contacting measurement of direct and alternating currents more particularly instantaneous current-values |
| 12/11/1984 | US4488301 System for analyzing complex signals |
| 12/11/1984 | US4488112 Hall effect device test circuit |
| 12/05/1984 | EP0127347A2 Wide bandwidth signal coupling circuit having a variable DC voltage-level shift from input to output |
| 12/04/1984 | US4486707 Gain switching device with reduced error for watt meter |
| 11/21/1984 | EP0125796A1 System and apparatus for monitoring and control of a bulk electric power delivery system |
| 11/21/1984 | EP0125329A1 Measuring transducer based on the magneto-optical effect |
| 11/14/1984 | EP0125050A1 Apparatus for measuring the temperature and other parameters of an electric power conductor |
| 11/14/1984 | EP0124967A1 D.C. current transformer circuits |
| 11/13/1984 | US4482967 Ionic conductivity detector |
| 11/13/1984 | US4482862 Current sensor |
| 10/31/1984 | EP0123062A1 Current divider for a measuring transformer for the measurement of a current |
| 10/23/1984 | US4479088 Wafer including test lead connected to ground for testing networks thereon |
| 10/16/1984 | US4477770 Noise field intensity measuring apparatus |
| 10/16/1984 | US4477723 Fiber optic electric field sensor/phase modulator |
| 10/09/1984 | US4476540 Non-linear function generator |
| 10/02/1984 | US4475099 Voltage divider |
| 09/25/1984 | US4473810 Device for measuring the current which flows in a conductor |
| 09/12/1984 | EP0118147A1 Measuring and damping resistance arrangement for a high-voltage apparatus |
| 09/11/1984 | US4471355 Method and apparatus for sensing current in high voltage conductors |
| 09/11/1984 | US4471333 Current transformer with a ring-shaped core for use in a high voltage switching device enclosed in a metallic casing |
| 09/11/1984 | US4471300 LDC Hook-on digital ammeter |
| 08/28/1984 | CA1173265A1 Photothermal measurement cell for study of light absorption by a sample substance |
| 08/22/1984 | EP0116509A1 Dynamic-current sensor |
| 08/14/1984 | US4465969 Voltage and electric field measuring device using light |
| 08/01/1984 | EP0114536A1 Multi-probe measuring apparatus |
| 07/24/1984 | US4461987 Current sensing circuit for motor controls |
| 07/17/1984 | US4460867 Method and circuit for measuring of current |
| 07/17/1984 | CA1171135A1 Power circuit for an electronic device submitted to a high electric potential |
| 07/04/1984 | EP0112757A1 Electro-magnetic clip-on current measuring device with pivoting arms |
| 06/26/1984 | USRE31613 Measuring transformer |
| 06/26/1984 | US4456943 Current sensing relay |
| 06/26/1984 | US4456873 Cable mounted magnetic core assembly |
| 06/20/1984 | EP0111063A1 Current divider for a measuring transformer |
| 06/13/1984 | EP0070861A4 Wafer and method of testing networks thereon. |
| 06/12/1984 | US4454557 Non-linear alternating current transducer |
| 06/12/1984 | CA1169153A1 Programmable signal analyzer |
| 05/16/1984 | EP0108671A1 Apparatus for measuring temperature and/or electric intensity using the Faraday effect |
| 05/16/1984 | EP0108325A1 Device to measure temperature |
| 05/15/1984 | CA1167528A1 Multimeter with tone indicator |
| 05/09/1984 | EP0108012A1 Apparatus for measuring electric intensity using the Faraday effect |
| 05/08/1984 | CA1167096A1 Device for rapidly eliminating trapped charges in a capacitive divider bridge used to monitor high alternating voltages |
| 05/02/1984 | EP0107059A1 Current sensor |
| 05/01/1984 | US4446425 Measurement of electrical signals with picosecond resolution |
| 04/25/1984 | EP0106345A2 Measuring and linearizing circuit for a capacitive sensor |
| 04/10/1984 | CA1165398A1 Adjustable flux generator for a magnetically activated electronic switch |
| 04/04/1984 | EP0104999A2 Gain switching device with reduced error for watt meter |
| 04/04/1984 | EP0104354A1 Capacitive display for the function control of a medium-voltage connector construction |
| 03/20/1984 | US4438406 Signal processing means acting as a frequency range translator and as a filter |
| 03/20/1984 | US4438396 Low cost volt/ampere meter with liquid crystal display |
| 03/20/1984 | US4438395 Current transformer high voltage probe utilizing copper sulfate water resistor |
| 03/20/1984 | US4438394 Capacitively-coupled inductive sensor |
| 03/14/1984 | EP0102623A1 A current sensing circuit for motor controls |
| 03/13/1984 | US4437134 Discharge circuit for rapidly eliminating charge trapped in a capacitor voltage divider used for monitoring high voltage AC |
| 02/29/1984 | EP0101483A1 A device for measurement of the temperature at power lines |
| 02/21/1984 | US4433287 Range switching device for electric meter |
| 02/01/1984 | EP0099539A1 Optical electric-field measuring apparatus |
| 01/31/1984 | US4429416 Multistage cascade/cascode limiting IF amplifier and meter circuit |
| 01/25/1984 | EP0099290A2 Highly insulated automatic switch using little consumption and space |
| 01/24/1984 | US4428017 For monitoring the current flow in an electrical load |
| 01/24/1984 | US4427900 Supply circuit for electronic apparatus at a high electric potential |
| 01/18/1984 | EP0098695A1 Improvements in or relating to multimeters |
| 01/10/1984 | US4425596 Electric circuit breaker |
| 01/04/1984 | EP0097559A1 Autofunction voltmeter |
| 01/04/1984 | EP0097479A2 Adjustable process variable transmitter |
| 01/03/1984 | US4424490 High voltage probe for gas insulated high voltage switching insulation |
| 01/03/1984 | US4424481 Apparatus for measuring an electrical field |
| 12/07/1983 | EP0095998A1 Fibre-optical measuring arrangement |
| 12/07/1983 | EP0095881A1 A method for analyzing complex signals |
| 12/07/1983 | EP0095673A1 Optical-fibre sensor for measuring physical quantities |
| 12/06/1983 | US4419620 Linearizing circuits for a semiconductor pressure transducer |
| 12/06/1983 | CA1158316A1 Two terminal hall-sensor |
| 11/16/1983 | EP0093727A1 Current transformer. |
| 11/02/1983 | EP0092746A1 Electronic measuring device |
| 11/02/1983 | EP0092653A1 Current transformer for measuring apparatuses |
| 11/01/1983 | CA1156312A1 Interferometric optical fiber electric current measuring device |
| 10/26/1983 | EP0092486A1 Display unit of speedometer for automobile |
| 10/26/1983 | EP0092335A1 Apparatus for monitoring current levels in an A.C. transmission line |
| 10/25/1983 | US4412173 Apparatus using leakage current for measuring resistivity |
| 10/18/1983 | CA1155498A1 Peak detection and electronic compensation of d.c. saturation magnetization in current transformers used in watt hour meter installations |
| 10/18/1983 | CA1155497A1 Electromagnetic device utilizing a pair of magnetically activated electronic switches |