| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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| 05/18/2000 | DE19952265A1 Electric potential measurement method using Pockel's effect |
| 05/18/2000 | DE19946665A1 Elektrooptische Sonde Electro-optical probe |
| 05/18/2000 | DE19848930A1 Four-pole calibration resistor for micro-ohm range below 10 micro-ohm has voltage poles on axis that is at oblique angle to axis of current poles |
| 05/17/2000 | EP1001268A2 Method and apparatus for measuring an electric voltage using Pockels-effect |
| 05/17/2000 | EP0853765B1 Verdet constant temperature-compensated current sensor |
| 05/16/2000 | US6064192 Revenue meter with integral current transformer |
| 05/16/2000 | US6064191 Current transducer and current-monitoring method |
| 05/16/2000 | CA2038545C Faraday effect current sensor |
| 05/11/2000 | WO2000026682A1 Fiber optic current sensor |
| 05/11/2000 | WO2000007032A3 Polarimetric sensor for optical detection of a measured variable and utilization of said polarimetric sensor |
| 05/10/2000 | EP0999455A2 Optical electric field sensor |
| 05/10/2000 | CN1252909A Arrangement in a subscriber line interface circuit |
| 05/10/2000 | CN1052304C Method of measure of voltage and/or intensity of field and sensor |
| 05/10/2000 | CN1052303C DC current sensor |
| 05/10/2000 | CN1052302C DC current sensor |
| 05/09/2000 | US6061006 Apparatus for sensing RF current delivered to a plasma with two inductive loops |
| 05/04/2000 | DE19946664A1 Elektrooptische Sonde Electro-optical probe |
| 05/03/2000 | EP0998003A1 Differential protection device with multiple-voltage test circuit |
| 05/03/2000 | EP0997738A2 Optical electric field sensor |
| 05/03/2000 | CN2376662Y Current transformer |
| 05/03/2000 | CN2376661Y Current transformer |
| 05/03/2000 | CN1252130A Current measurement, current sensor and IC tester using the sensor |
| 05/03/2000 | CN1052100C Current transformer for metal-enclosed gas-insulated high voltage installation |
| 05/03/2000 | CN1052073C Current measuring circuit comprising mutually couples transformer and integration circuit |
| 05/03/2000 | CN1052072C 电场传感器 Electric field sensor |
| 05/03/2000 | CN1052071C 电场传感器 Electric field sensor |
| 05/03/2000 | CN1052070C 电场传感器 Electric field sensor |
| 05/02/2000 | US6057678 Optical sensor apparatus and signal processing circuit used therein including initialization and measuring modes |
| 04/27/2000 | WO2000023811A1 Methods and apparatus for optically measuring polarization rotation of optical wave fronts using rare earth iron garnets |
| 04/27/2000 | DE19944061A1 Closed loop current transformer has bias adjustment circuit to control application of fixed operating voltage to the Hall element for adjusting the variation in the operation of the Hall element |
| 04/27/2000 | CA2360606A1 Methods and apparatus for optically measuring polarization rotation of optical wave fronts using rare earth iron garnets |
| 04/20/2000 | WO2000022447A1 Magnetic sensor, current sensor, and magnetic sensor element |
| 04/20/2000 | WO2000022393A1 Interferometer coupler using multiple input ports for improved stabiblity |
| 04/20/2000 | DE19908652C1 Measuring device to specify current passing along electrical conductor; has magnetic field sensors to measure magnetic field created by current as it passes along conductor |
| 04/20/2000 | DE19847179A1 Circuit arrangement for detecting galvanically separated input voltage, comprising arrangement for providing operating voltage of comparator, and arrangement for producing reference signal |
| 04/20/2000 | CA2340643A1 Interferometer coupler using multiple input ports for improved stabiblity |
| 04/19/2000 | EP0993395A1 Current measurement module for an internal combustion engine starter device |
| 04/19/2000 | EP0829013A4 Fibre optic transducer |
| 04/19/2000 | CN2374958Y 电流互感器 Current Transformer |
| 04/19/2000 | CN1251171A Magnetic current sensor |
| 04/13/2000 | WO2000020822A2 High linearity, low offset interface for hall effect devices |
| 04/13/2000 | DE19845778A1 Verfahren zur Abbildung von Gleichströmen und Gleichstromwandler zur Durchführung des Verfahrens A method for imaging of direct currents and DC-DC converter for carrying out the method |
| 04/13/2000 | DE19844726A1 Current probe operating according to compensation principle has compensation coil to ensure that magnetic field in measurement coil remains at or near zero |
| 04/13/2000 | CA2345647A1 High linearity, low offset interface for hall effect devices |
| 04/12/2000 | EP0992800A1 Apparatus and method for measuring the resonance frequency of an electric circuit |
| 04/12/2000 | EP0992798A1 Current transformer arrangement for measuring an alternating current |
| 04/12/2000 | EP0991950A1 Electric current pick-up shoe |
| 04/12/2000 | EP0991913A2 Element comprising a layer structure and a current-directing means |
| 04/11/2000 | CA2100653C Phase-to-phase voltage monitor for three-phase power distribution system |
| 04/11/2000 | CA2100652C Voltage monitor for alternating current power system |
| 04/06/2000 | WO2000019217A1 In-line electro-optic voltage sensor |
| 04/06/2000 | WO1999057578A3 Ac current sensor having high accuracy and large bandwidth |
| 04/05/2000 | EP0990184A1 Integrated optical waveguide system |
| 04/05/2000 | CN1249435A Failure recorder of electric power system |
| 04/04/2000 | US6046582 Self-powered digital clamp meter |
| 03/30/2000 | WO2000017663A2 Method for reproducing direct currents and direct current transformers for carrying out said method |
| 03/28/2000 | US6043641 Method and apparatus for rapid determinations of voltage and current in wires and conductors |
| 03/28/2000 | US6043640 Multimeter with current sensor |
| 03/22/2000 | CN2370543Y Current mutual inductor of preventing fraudulent use of electricity |
| 03/21/2000 | US6041149 Grooved optical fiber for use with an electrode and a method for making same |
| 03/21/2000 | US6040690 Electricity measurement using two conductors |
| 03/21/2000 | US6040688 Electrical current supply device with incorporated electrical current sensor |
| 03/16/2000 | WO2000014551A1 Toroidal coil without magnetic core comprising two superposed windings |
| 03/16/2000 | DE19841164A1 Voltage divider for measuring high direct current voltages in areas subject to high frequency interference; has tuning capacitor to balance capacitive divider voltages with those of resistive divider |
| 03/15/2000 | CN2369336Y Quick current saturated mutual inductor |
| 03/09/2000 | WO2000013033A1 Electro-optic voltage sensor |
| 03/08/2000 | EP0865610B1 Optical measurement method and optical measurement device for measuring an alternating magnetic field with intensity normalization |
| 03/08/2000 | EP0861442B1 Current measurement in turbogenerators |
| 03/08/2000 | CN1050236C Excess current detecting device |
| 03/07/2000 | US6034523 Method and arrangement for measuring a magnetic field using the Faraday effect, with compensation for intensity changes |
| 03/07/2000 | US6034522 Fibre optic transducer incorporating an extraneous factor compensation referencing system |
| 03/07/2000 | US6034521 Active optical current measuring system |
| 03/02/2000 | WO2000011482A1 Device and method for creating one or more magnetic field gradients through a straight conductor |
| 03/02/2000 | DE19838536A1 Vorrichtung und Verfahren zur Bildung eines oder mehrerer Magnetfeldgradienten durch einen geraden Leiter Apparatus and method for forming one or more magnetic field gradients through a straight conductor |
| 03/01/2000 | EP0981756A1 Generator and method for measuring the voltage of same |
| 03/01/2000 | CN1050001C Current signal correction process and device |
| 02/29/2000 | US6031368 Sensing apparatus for cable termination devices in power distribution systems |
| 02/24/2000 | DE19838354A1 High-voltage (HV) potential differences measurement device for HV equipment |
| 02/23/2000 | EP0980528A1 Voltage detector for measurement and protection purposes for use in medium-voltage switch gear |
| 02/23/2000 | CN2365747Y 220 (KV) combined optical power mutual inductor |
| 02/23/2000 | CN2365675Y Hall assembly using for Hall direct measuring current sensor |
| 02/23/2000 | CN1049777C 30 deg. stepping phase-shifting circuit |
| 02/17/2000 | DE19923211A1 Kapazitiver Spannungsteiler zur Messung von Hochspannungsimpulsen mit Millisekunden-Impulsdauer Capacitive voltage divider for measuring high-voltage pulses with a millisecond pulse duration |
| 02/16/2000 | EP0980003A1 RC voltage divider |
| 02/16/2000 | EP0979419A2 Magnetic current sensor |
| 02/16/2000 | CN1244924A Method of measuring current while applying a voltage and apparatus therefor |
| 02/15/2000 | CA2021092C Electronic watthour meter |
| 02/10/2000 | WO2000007032A2 Polarimetric sensor for optical detection of a measured variable and utilization of said polarimetric sensor |
| 02/10/2000 | DE19842487C1 Alternating magnetic field measuring method |
| 02/09/2000 | EP0978169A2 An arrangement in a subscriber line interface circuit |
| 02/09/2000 | CN2363365Y Ceramic sleeve dry type current transformer |
| 02/08/2000 | US6023331 Fiber optic interferometric sensor and method by adding controlled amounts of circular birefringence in the sensing fiber |
| 02/08/2000 | US6023160 Electrical metering system having an electrical meter and an external current sensor |
| 02/03/2000 | WO2000005590A1 Method and device for measuring an electric voltage using the pockels effect |
| 02/03/2000 | WO2000005589A1 Capacitative voltage divider for measuring high voltage pulses with a millisecond pulse duration |
| 02/03/2000 | WO1999056074A3 Element comprising a layer structure and a current-directing means |
| 02/03/2000 | DE19836082A1 Wandlereinrichtung für Schutzgeräte und Leistungsschaltereinrichtungen Transducer means for protection devices and circuit breakers facilities |
| 02/03/2000 | DE19836080A1 Voltage divider for measuring operating voltage |
| 02/02/2000 | EP0977043A1 Broad dynamic range RMS measurement method |
| 02/02/2000 | EP0977041A2 Transducer arrangement for protection apparatus and power breakers |