Patents
Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups ,  or (13,411)
05/2003
05/21/2003EP1311864A1 Circuit for detecting a current passing through a consumer
05/21/2003CN1419250A Dry type high-voltage capacitor core and making method thereof
05/21/2003CN1419130A High-voltage multi-point synchronous measuring circuit and measuring method thereof
05/21/2003CN1419129A 光纤电场传感器 Fiber optic electric field sensor
05/20/2003US6566994 Coil for an AC current sensor
05/20/2003US6566856 Closed-loop magnetoresistive current sensor system having active offset nulling
05/20/2003US6566854 Apparatus for measuring high frequency currents
05/15/2003US20030090356 Current transformer
05/14/2003EP1310802A2 Optical sensor for sensing of a magnetic field or a voltage
05/14/2003EP1171338B1 Current sensor
05/14/2003CN2550766Y 手机式万用表 Phone multimeter
05/14/2003CN1418313A Instrument transformer
05/14/2003CN1418312A 电压传感器 Voltage sensor
05/14/2003CN1417814A Compensation method of current sensor and zero-flux microcurrent sensor
05/13/2003US6563589 Reduced minimum configuration fiber optic current sensor
05/13/2003US6563296 Closely-coupled multiple-winding magnetic induction-type sensor
05/13/2003CA2201968C A current ratio device for use in forming a current transformer
05/08/2003WO2003038452A1 Current sensor and current sensor manufacturing method
05/07/2003CN1415970A 变流器 Converter
05/07/2003CN1415969A Detector for measuring voltage/current of distribution low voltage line
05/06/2003US6560246 Brillouin/erbium fiber laser current monitor using elliptically polarizing fiber
05/06/2003US6559782 Method of determining measuring time for an analog-digital converter
05/06/2003US6559648 Method for operating an electronic overcurrent trip of a power circuit breaker
05/02/2003EP1306678A1 On-board microelectromechanical system (MEMS) sensing device for power semiconductor
05/02/2003EP1306677A2 Current sensor
05/02/2003EP1306350A2 Microelectrical mechanical system with improved beam suspension
05/02/2003EP1151309B1 Polarization transformer and current sensor using the same
05/01/2003WO2003036732A2 Compact vertical hall sensor
05/01/2003US20030080754 On-board microelectromechanical system (MEMS) sensing device for power semiconductors
05/01/2003US20030080722 Probe for measuring voltage/current of low voltage power distribution cable
05/01/2003US20030080628 Electric circuit shielding
05/01/2003US20030080627 Electric circuit shielding
04/2003
04/29/2003US6556003 Computer multimeter
04/29/2003US6555999 Insulator support current sensor
04/29/2003CA2239722C Electro-optic voltage sensor
04/24/2003US20030076086 Electrical quantity sensor
04/24/2003US20030075732 Shunt resistor configuration
04/24/2003DE20302423U1 Insulated hand tool has detection system providing warning of proximity of source of alternating voltage
04/23/2003EP1183543B1 Electrical current sensor
04/23/2003EP0834078B1 High voltage measuring device
04/23/2003CN2546882Y Induction load indicator
04/23/2003CN2546851Y Compound type sensor
04/23/2003CN1412568A D.C. current sensing device
04/23/2003CN1412567A Capacitive divided voltage sensor
04/23/2003CN1412566A Voltage and current combined sensor
04/23/2003CN1106577C 电场传感器 Electric field sensor
04/17/2003WO2003032461A1 Overload current protection apparatus
04/17/2003US20030071616 Device for measuring the strength of a vector component of a magnetic field, current-measuring device and use of a field-effect transistor
04/17/2003US20030071609 Magnetic flux sensor and method
04/16/2003EP1302774A1 Sagnac interferometer current sensor
04/16/2003EP1302773A1 Screening device for Rogowski current measuring apparatus
04/16/2003CN2545613Y AC current transducer
04/15/2003US6548998 Electric current sensor with wide passband
04/15/2003CA2233879C Ac current sensor
04/10/2003US20030069705 Range recognizer employing a single range internally partitioned by monotonically increasing boundary values
04/10/2003US20030067736 Power supply arrangement
04/10/2003US20030067295 Voltage detector with improved accuracy
04/10/2003DE20301824U1 High voltage cable leakage measurement coupler has rigid coupling capacitor link
04/09/2003EP1300686A2 Method and device for determining current value using a current transformer which operates in the saturation region
04/09/2003EP1299736A1 Fiber-optic current sensor
04/09/2003CN2544287Y Telescopic folding type high-voltage detector
04/09/2003CN1409120A 电流传感器组件 The current sensor assembly
04/09/2003CN1105307C Monitoring device secured to power distribution system conductors
04/08/2003US6545457 Current detector utilizing hall effect
04/08/2003US6545456 Hall effect current sensor package for sensing electrical current in an electrical conductor
04/08/2003US6544078 Battery clamp with integrated current sensor
04/08/2003CA2197716C Optical interferometric current sensor and a method for measuring an electrical current
04/03/2003US20030062911 Apparatus and method for detecting the AC component of a signal
04/03/2003US20030062887 Method and device for current value determination using a current transformer which operates in the core saturation region
04/03/2003US20030062886 Current sensor assembly
04/02/2003CN1408066A Electrical quantity sensor
04/02/2003CN1407343A Compensating method and device for interfere variable of optical sensor
04/01/2003US6542838 System and method for performing autoranging in a measurement device
03/2003
03/27/2003WO2003025604A1 Circuit configuration for a gradiometric current sensor and a sensor chip equipped with this circuit configuration
03/27/2003WO2003025591A1 Device indicating voltage presence and electrical appliance comprising same
03/27/2003WO2003025590A1 Measuring transformer
03/27/2003WO2002097455A9 Current transformer based high voltage measurement method and apparatus
03/27/2003US20030058596 Two winding resonating arc fault sensor which boosts arc fault signals while rejecting arc mimicking noise
03/26/2003EP1295304A1 Current transformer for measurement of alternating current
03/26/2003EP1295133A1 Capacitor coupled voltage transformers
03/26/2003CN2541850Y Optical fiber electric field sensor
03/26/2003CN2541849Y Calipers pulse current detector
03/26/2003CN2541848Y Kilowatt-meter
03/26/2003CN1104013C Improved coil for AC current sensor
03/26/2003CN1103923C Electric current sensor
03/25/2003US6538422 Voltage sensor bushing assembly with integral capacitance screen
03/19/2003CN2540637Y Electronic current voltage combined sensor
03/19/2003CN1404073A Antijamming signal transferring cable and high-speed high-amplitude pulse current sensor
03/18/2003US6535186 Multicolor display element
03/18/2003US6535097 Transformer system provided with a decoupling system
03/18/2003US6534977 Methods and apparatus for optically measuring polarization rotation of optical wavefronts using rare earth iron garnets
03/18/2003US6534967 Dual totem current sensor for measuring load current in an H-bridge power stage
03/13/2003WO2003021547A1 Power management method and system
03/13/2003WO2002059629A3 Device, current measurer and motor vehicle
03/13/2003WO2000072339A8 Current sensor with two assembly positions
03/13/2003CA2458654A1 Power management method and system
03/12/2003EP1145020B1 Method and arrangement for optically detecting an electric current using light signals that have different wavelengths
03/12/2003CN2539969Y 电子式电流传感器 Electronic Current Sensor
03/12/2003CN2539968Y Electronic type voltage sensor
03/11/2003US6531880 Non-invasive cable tester
1 ... 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 ... 135