| Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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| 10/11/2001 | WO2001075775A2 Arc fault current interrupter testing device |
| 10/11/2001 | WO2001075431A1 Current measuring apparatus for battery |
| 10/10/2001 | CN2453530Y Current mutual inductor used for 35KV indoor distrubutor |
| 10/09/2001 | US6301400 Fiber optic current sensor having rotation immunity |
| 10/09/2001 | US6300923 Continuously variable color optical device |
| 10/09/2001 | US6300617 Magnetic digital signal coupler having selected/reversal directions of magnetization |
| 10/04/2001 | WO2001073452A1 Power supply arrangement |
| 10/04/2001 | EP1139105A2 Optical current sensor with optical waveguide sensor unit |
| 10/04/2001 | EP1139104A2 Electrical conductor multilayer arrangement with integrated current detection |
| 10/04/2001 | EP1137950A1 Voltage sensor |
| 10/04/2001 | DE10013143A1 Instrument transformer for use with high voltage or high current meters, especially high current meters, in which the outer primary winding is fixed to the transformer housing to prevent short- circuiting and transformer damage |
| 10/04/2001 | DE10012068A1 Monitoring of a capacitor bushing to detect faults, by comparison of the quotient of electrical measurements with a characterizing value, with any deviation indicating a fault, the invention being independent of operating voltage |
| 10/03/2001 | CN2452110Y Dry type high voltage current mutual inductor |
| 10/03/2001 | CN2452107Y Metering electric power voltage transformer |
| 10/03/2001 | CN2452099Y Resistor box capable of segmental regulating resistance |
| 10/03/2001 | CN2452027Y Electric current sensor |
| 10/02/2001 | US6297625 Method and device for measuring a magnetic field |
| 09/27/2001 | WO2001071367A1 Measurement of quantities of electric line |
| 09/27/2001 | DE10011974A1 Micro-technological current sensor assembly, has conductors arranged closely in line on run-around frame and fixed by insulating plastic cover, after which run-around frame is removed |
| 09/27/2001 | DE10011047A1 Direct imaging current sensor has additional winding that covers certain regions and magnetic flow of the soft magnetic core |
| 09/26/2001 | EP0960341B1 Current detector working in accordance with the compensation principle |
| 09/26/2001 | EP0587708B1 Determination of induced change of polarization state of light |
| 09/26/2001 | CN1314595A 电流传感器 Current Sensors |
| 09/25/2001 | US6294284 Gauge effect battery tester |
| 09/20/2001 | WO2001069272A2 Device and method for monitoring a capacitor bushing |
| 09/20/2001 | WO2001069271A2 Instrument transformer |
| 09/20/2001 | US20010022339 Probe signal outputting apparatus |
| 09/20/2001 | DE10014052A1 Current measurement device has microcontroller and bus coupling that send control commands to bus system according to threshold value |
| 09/19/2001 | EP1133703A1 Fiber optic current sensor |
| 09/19/2001 | EP1133701A1 Method for diagnosing insulation degradation in underground cable |
| 09/19/2001 | EP0910801B1 Process for standardising the intensity of optical sensors used for measuring periodically oscillating electric or magnetic field intensities |
| 09/18/2001 | US6291982 True average wide dynamic range power sensor |
| 09/18/2001 | US6291980 High-resolution measurement of phase shifts in high frequency phase modulators |
| 09/13/2001 | WO2001067117A2 Current transformer for a compensating current sensor |
| 09/12/2001 | EP1131601A1 Brillouin/erbium fibre laser current monitor using elliptically polarizing fibre |
| 09/12/2001 | CN2447922Y Current transformer for metering |
| 09/12/2001 | CN2447795Y Digital instrument with charging and voltage booster circuit |
| 09/11/2001 | US6288625 Current transformer for a metal-enclosed gas-insulated high-voltage installation |
| 09/11/2001 | US6288552 GMR sensor tester for heated window grids |
| 09/11/2001 | US6288530 Apparatus and method for measuring resonance frequency of electric circuit |
| 09/07/2001 | WO2001065653A1 Gas insulated device and failure rating method |
| 09/07/2001 | CA2818672A1 System and method for on-line monitoring and billing of power consumption |
| 09/05/2001 | EP1130404A1 Magnetic sensor and current sensor |
| 09/05/2001 | EP1129360A2 Fiber optic current sensor having rotation immunity |
| 09/05/2001 | EP1129359A1 Apparatus and method for remote current sensing |
| 09/04/2001 | US6285182 Electro-optic voltage sensor |
| 09/04/2001 | US6285095 Automatic compensation of an AC attenuator using a digital to capacitance converter |
| 09/04/2001 | CA2248735C Voltage measurement instrument having transient overvoltage input protection |
| 08/30/2001 | WO2001063580A1 Method and system for monitoring |
| 08/30/2001 | WO2001063302A2 Faraday-effect current sensor with improved vibration response |
| 08/30/2001 | DE10007967A1 Mehrschichtige Anordnung elektrischer Leiter mit integrierter Stromerfassung Multi-layered arrangement of electrical conductors with integrated current detection |
| 08/30/2001 | DE10007539A1 Steuerbarer Spannungsteiler Controllable voltage divider |
| 08/29/2001 | CN2445332Y Digital multimeter mechanical anti-misoperation |
| 08/29/2001 | CN1310801A Magnetic sensor and current sensor |
| 08/28/2001 | US6281864 Digital display system for variable color decimal point indication |
| 08/28/2001 | US6281673 Low error, switchable measurement lead detect circuit |
| 08/28/2001 | US6281672 Optical current transformer |
| 08/28/2001 | US6279336 Assembly for switching electrical power |
| 08/23/2001 | WO2001061365A1 Voltage sensor |
| 08/23/2001 | US20010015915 Programmable voltage divider and method for testing the impedance of a programmable element |
| 08/23/2001 | US20010015708 Display device with variable color background for evaluating displayed value |
| 08/23/2001 | DE10005372A1 Linear current measurement, involves detecting current changes in conductor based on bright and dark sequence determined by photoactive elements |
| 08/22/2001 | EP1125143A2 High linearity, low offset interface for hall effect devices |
| 08/22/2001 | EP0904550B1 Temperature calibration process for an optical magnetic field measurement device and measurement device calibrated by this process |
| 08/22/2001 | CN1309772A Residual current detection device |
| 08/21/2001 | US6278268 Method for controlling scale parameters of an instrument in response to input to an event-generating control sensor |
| 08/16/2001 | WO2001059467A1 Leadthrough with an optical sensor, for a high voltage device |
| 08/15/2001 | CN2443382Y DC High voltage tester |
| 08/15/2001 | CN2443381Y Voltage sensitive type voltage sensor |
| 08/15/2001 | CN1308728A Current detector and current measurement apparatus including such detector |
| 08/15/2001 | CN1308237A Optical fiber current sensor |
| 08/14/2001 | US6275022 Passive voltmeter with partially compressed voltage range display and housing with internal metallic coating |
| 08/09/2001 | WO2001057543A1 High precision rogowski coil |
| 08/09/2001 | DE10041599A1 Stromsensor und elektrischer Schaltkreis, der diesen benutzt Current sensor and electrical circuit that uses this |
| 08/09/2001 | DE10005164A1 Durchführung für eine Hochspannungseinrichtung Bushing for a high voltage device |
| 08/09/2001 | DE10003638A1 Kompensationsstromsensor Compensation current sensor |
| 08/08/2001 | CN2442278Y Voltage current power detector |
| 08/08/2001 | CN2442277Y Combined detector for general safety property |
| 08/08/2001 | CN1307240A High-accuracy high voltage detection method |
| 08/07/2001 | US6271744 Current sensing arrangement with encircling current-carrying line and ferromagnetic sheet concentrator |
| 08/07/2001 | US6271656 Electrical current sensing apparatus |
| 08/07/2001 | US6271655 Planar coil device, method and system for sensing changing currents in a planar conductor path |
| 08/07/2001 | US6271654 Multifunctional meter with dual input channels |
| 08/07/2001 | CA2110700C Determination of induced change of polarization state of light |
| 08/02/2001 | WO2001055740A1 Partial discharge detection test link, partial discharge detection system and methods for detecting partial discharge on a power cable |
| 08/02/2001 | WO2001055734A2 Compensation current sensor |
| 08/01/2001 | EP1119748A1 Interferometer coupler using multiple input ports for improved stabiblity |
| 07/26/2001 | US20010009364 Current measuring method and device |
| 07/26/2001 | DE10000116A1 Direct current measuring sensor uses closed annular magnetic core with areas containing magnetic powder composite for providing linear sensor characteristic |
| 07/24/2001 | US6265862 Process for standardising the intensity of optical sensors used for measuring periodically oscillating electric or magnetic field intensities |
| 07/19/2001 | US20010008375 Current detecting device, impedance measuring instrument and power measuring instrument |
| 07/19/2001 | DE10100816A1 Abtastung integrierter Schaltungen mit differentiell gepulstem Laserstrahl Scanning of integrated circuits with differential pulsed laser beam |
| 07/18/2001 | EP1116040A2 Method for reproducing direct currents and direct current transformers for carrying out said method |
| 07/18/2001 | CN1304491A Electric current sensor with wide passband |
| 07/17/2001 | US6263295 Programmable voltage divider and method for testing the impedance of a programmable element |
| 07/12/2001 | WO2001050308A2 Magneto-resistive signal isolator |
| 07/12/2001 | WO2001050142A1 An improved current sensing device for low-voltage power circuit breakers |
| 07/12/2001 | WO2001050141A1 Sensor for measuring a direct current and a measuring method |
| 07/12/2001 | DE10000306A1 Optical fibre current sensor, uses temperature-dependent phase delay element for compensating temperature dependency of sensor fibre Verdet constant |
| 07/11/2001 | EP1115000A2 Fibre optic current sensor |