Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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05/21/2003 | EP1311864A1 Circuit for detecting a current passing through a consumer |
05/21/2003 | CN1419250A Dry type high-voltage capacitor core and making method thereof |
05/21/2003 | CN1419130A High-voltage multi-point synchronous measuring circuit and measuring method thereof |
05/21/2003 | CN1419129A 光纤电场传感器 Fiber optic electric field sensor |
05/20/2003 | US6566994 Coil for an AC current sensor |
05/20/2003 | US6566856 Closed-loop magnetoresistive current sensor system having active offset nulling |
05/20/2003 | US6566854 Apparatus for measuring high frequency currents |
05/15/2003 | US20030090356 Current transformer |
05/14/2003 | EP1310802A2 Optical sensor for sensing of a magnetic field or a voltage |
05/14/2003 | EP1171338B1 Current sensor |
05/14/2003 | CN2550766Y 手机式万用表 Phone multimeter |
05/14/2003 | CN1418313A Instrument transformer |
05/14/2003 | CN1418312A 电压传感器 Voltage sensor |
05/14/2003 | CN1417814A Compensation method of current sensor and zero-flux microcurrent sensor |
05/13/2003 | US6563589 Reduced minimum configuration fiber optic current sensor |
05/13/2003 | US6563296 Closely-coupled multiple-winding magnetic induction-type sensor |
05/13/2003 | CA2201968C A current ratio device for use in forming a current transformer |
05/08/2003 | WO2003038452A1 Current sensor and current sensor manufacturing method |
05/07/2003 | CN1415970A 变流器 Converter |
05/07/2003 | CN1415969A Detector for measuring voltage/current of distribution low voltage line |
05/06/2003 | US6560246 Brillouin/erbium fiber laser current monitor using elliptically polarizing fiber |
05/06/2003 | US6559782 Method of determining measuring time for an analog-digital converter |
05/06/2003 | US6559648 Method for operating an electronic overcurrent trip of a power circuit breaker |
05/02/2003 | EP1306678A1 On-board microelectromechanical system (MEMS) sensing device for power semiconductor |
05/02/2003 | EP1306677A2 Current sensor |
05/02/2003 | EP1306350A2 Microelectrical mechanical system with improved beam suspension |
05/02/2003 | EP1151309B1 Polarization transformer and current sensor using the same |
05/01/2003 | WO2003036732A2 Compact vertical hall sensor |
05/01/2003 | US20030080754 On-board microelectromechanical system (MEMS) sensing device for power semiconductors |
05/01/2003 | US20030080722 Probe for measuring voltage/current of low voltage power distribution cable |
05/01/2003 | US20030080628 Electric circuit shielding |
05/01/2003 | US20030080627 Electric circuit shielding |
04/29/2003 | US6556003 Computer multimeter |
04/29/2003 | US6555999 Insulator support current sensor |
04/29/2003 | CA2239722C Electro-optic voltage sensor |
04/24/2003 | US20030076086 Electrical quantity sensor |
04/24/2003 | US20030075732 Shunt resistor configuration |
04/24/2003 | DE20302423U1 Insulated hand tool has detection system providing warning of proximity of source of alternating voltage |
04/23/2003 | EP1183543B1 Electrical current sensor |
04/23/2003 | EP0834078B1 High voltage measuring device |
04/23/2003 | CN2546882Y Induction load indicator |
04/23/2003 | CN2546851Y Compound type sensor |
04/23/2003 | CN1412568A D.C. current sensing device |
04/23/2003 | CN1412567A Capacitive divided voltage sensor |
04/23/2003 | CN1412566A Voltage and current combined sensor |
04/23/2003 | CN1106577C 电场传感器 Electric field sensor |
04/17/2003 | WO2003032461A1 Overload current protection apparatus |
04/17/2003 | US20030071616 Device for measuring the strength of a vector component of a magnetic field, current-measuring device and use of a field-effect transistor |
04/17/2003 | US20030071609 Magnetic flux sensor and method |
04/16/2003 | EP1302774A1 Sagnac interferometer current sensor |
04/16/2003 | EP1302773A1 Screening device for Rogowski current measuring apparatus |
04/16/2003 | CN2545613Y AC current transducer |
04/15/2003 | US6548998 Electric current sensor with wide passband |
04/15/2003 | CA2233879C Ac current sensor |
04/10/2003 | US20030069705 Range recognizer employing a single range internally partitioned by monotonically increasing boundary values |
04/10/2003 | US20030067736 Power supply arrangement |
04/10/2003 | US20030067295 Voltage detector with improved accuracy |
04/10/2003 | DE20301824U1 High voltage cable leakage measurement coupler has rigid coupling capacitor link |
04/09/2003 | EP1300686A2 Method and device for determining current value using a current transformer which operates in the saturation region |
04/09/2003 | EP1299736A1 Fiber-optic current sensor |
04/09/2003 | CN2544287Y Telescopic folding type high-voltage detector |
04/09/2003 | CN1409120A 电流传感器组件 The current sensor assembly |
04/09/2003 | CN1105307C Monitoring device secured to power distribution system conductors |
04/08/2003 | US6545457 Current detector utilizing hall effect |
04/08/2003 | US6545456 Hall effect current sensor package for sensing electrical current in an electrical conductor |
04/08/2003 | US6544078 Battery clamp with integrated current sensor |
04/08/2003 | CA2197716C Optical interferometric current sensor and a method for measuring an electrical current |
04/03/2003 | US20030062911 Apparatus and method for detecting the AC component of a signal |
04/03/2003 | US20030062887 Method and device for current value determination using a current transformer which operates in the core saturation region |
04/03/2003 | US20030062886 Current sensor assembly |
04/02/2003 | CN1408066A Electrical quantity sensor |
04/02/2003 | CN1407343A Compensating method and device for interfere variable of optical sensor |
04/01/2003 | US6542838 System and method for performing autoranging in a measurement device |
03/27/2003 | WO2003025604A1 Circuit configuration for a gradiometric current sensor and a sensor chip equipped with this circuit configuration |
03/27/2003 | WO2003025591A1 Device indicating voltage presence and electrical appliance comprising same |
03/27/2003 | WO2003025590A1 Measuring transformer |
03/27/2003 | WO2002097455A9 Current transformer based high voltage measurement method and apparatus |
03/27/2003 | US20030058596 Two winding resonating arc fault sensor which boosts arc fault signals while rejecting arc mimicking noise |
03/26/2003 | EP1295304A1 Current transformer for measurement of alternating current |
03/26/2003 | EP1295133A1 Capacitor coupled voltage transformers |
03/26/2003 | CN2541850Y Optical fiber electric field sensor |
03/26/2003 | CN2541849Y Calipers pulse current detector |
03/26/2003 | CN2541848Y Kilowatt-meter |
03/26/2003 | CN1104013C Improved coil for AC current sensor |
03/26/2003 | CN1103923C Electric current sensor |
03/25/2003 | US6538422 Voltage sensor bushing assembly with integral capacitance screen |
03/19/2003 | CN2540637Y Electronic current voltage combined sensor |
03/19/2003 | CN1404073A Antijamming signal transferring cable and high-speed high-amplitude pulse current sensor |
03/18/2003 | US6535186 Multicolor display element |
03/18/2003 | US6535097 Transformer system provided with a decoupling system |
03/18/2003 | US6534977 Methods and apparatus for optically measuring polarization rotation of optical wavefronts using rare earth iron garnets |
03/18/2003 | US6534967 Dual totem current sensor for measuring load current in an H-bridge power stage |
03/13/2003 | WO2003021547A1 Power management method and system |
03/13/2003 | WO2002059629A3 Device, current measurer and motor vehicle |
03/13/2003 | WO2000072339A8 Current sensor with two assembly positions |
03/13/2003 | CA2458654A1 Power management method and system |
03/12/2003 | EP1145020B1 Method and arrangement for optically detecting an electric current using light signals that have different wavelengths |
03/12/2003 | CN2539969Y 电子式电流传感器 Electronic Current Sensor |
03/12/2003 | CN2539968Y Electronic type voltage sensor |
03/11/2003 | US6531880 Non-invasive cable tester |