| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 05/15/2013 | CN103105517A Device monitoring current disorder of security and protection system pressure-regulating device |
| 05/15/2013 | CN103105516A System for measuring physical quantities, power supply device and configuration method associated with such a measuring system |
| 05/15/2013 | CN103105515A Processing equipment of current sensor, impedance matching device and plasma |
| 05/15/2013 | CN103105181A 半导体器件和传感器系统 Semiconductor devices and sensor systems |
| 05/15/2013 | CN102353858B Intelligent tester for Semi-physical simulation test system of cabinet air conditioner |
| 05/15/2013 | CN102128975B Voltage stabilization online monitoring phasor data measurement device and phasor measurement method |
| 05/15/2013 | CN101865945B Mechanical scanning type method and device for detecting voltage of serial battery |
| 05/14/2013 | US8441364 Inductive power outlet locator |
| 05/14/2013 | US8441247 Continuous critical current measurement apparatus and method of measuring continuous critical current using the same |
| 05/10/2013 | WO2013064560A1 Method and device for measuring voltage in a three-phase power network and external ns-protection |
| 05/10/2013 | WO2013063904A1 Segmented detection device and detection method for line fault |
| 05/10/2013 | WO2013063773A1 Devices and methods for sensing current |
| 05/10/2013 | WO2013025738A3 Apparatus and method for accurate energy device state-of-health (soh) monitoring |
| 05/10/2013 | CA2854190A1 Removable sensor modules |
| 05/09/2013 | US20130113463 Current detection device and method for producing same |
| 05/09/2013 | US20130113459 Method for determining and/or monitoring at least one process variable of a medium, a corresponding electrochemical sensor and a corresponding system |
| 05/09/2013 | US20130113456 Locator for Locating a Current Carrying Conductor |
| 05/08/2013 | EP2590328A1 Method and arrangement for detecting frequency and fundamental wave component of three-phase signal |
| 05/08/2013 | EP2590308A2 Power supply system, image forming apparatus having the same, and low-capacity power supply circuit |
| 05/08/2013 | DE102012110406A1 Stromsensoren Current sensors |
| 05/08/2013 | DE102011118080A1 Vorrichtung und Verfahren zur Detektion eines Magnetspulenstroms Apparatus and method for detection of a magnetic coil current |
| 05/08/2013 | CN202931216U Three-phase grid connection inverter displaying input voltage and current |
| 05/08/2013 | CN202930899U Direct current overcurrent protection device |
| 05/08/2013 | CN202930254U Multifunctional insulation control stick |
| 05/08/2013 | CN202929374U Voltage monitor time calibration circuit |
| 05/08/2013 | CN202929168U Overcharge voltage detection circuit for cell protective circuit |
| 05/08/2013 | CN202929166U Power source assembly circuit board test equipment |
| 05/08/2013 | CN202929163U IGBT failure detection circuit |
| 05/08/2013 | CN202929152U On-site testing device for secondary loop null line of voltage transformer |
| 05/08/2013 | CN202929145U Device and system for aerial line grounding fault detection |
| 05/08/2013 | CN202929140U Remote positioning and monitoring system |
| 05/08/2013 | CN202929130U Energy/resource use status cluster monitoring system |
| 05/08/2013 | CN202929100U Large-aperture pincerlike AC minimal current sensor apparatus |
| 05/08/2013 | CN202929099U Bus shielding layer potential monitoring apparatus |
| 05/08/2013 | CN202929098U Zero-crossing detection circuit |
| 05/08/2013 | CN202929097U Switch cabinet monitoring device |
| 05/08/2013 | CN202929096U Inductive high-voltage live detection device |
| 05/08/2013 | CN202929095U AC over-current detection device |
| 05/08/2013 | CN202929094U Overvoltage online monitoring system for electric grid |
| 05/08/2013 | CN202929093U Multifunctional high-voltage electricity-testing device |
| 05/08/2013 | CN202929092U High-precision Rogowski coil current transformer |
| 05/08/2013 | CN202929091U Positive/back current one-way indicator ammeter |
| 05/08/2013 | CN202929090U Real-time load current and zero-sequence current detection system of three-phase power transmission and distribution circuit |
| 05/08/2013 | CN202929089U Current measure equipment |
| 05/08/2013 | CN202929088U Heavy current detection machine |
| 05/08/2013 | CN202929087U Direct current component detection device |
| 05/08/2013 | CN202929086U Current measuring device |
| 05/08/2013 | CN202929077U Electricity stealing resistant device and its system |
| 05/08/2013 | CN202925113U On-line measurement device for anode current of aluminum electrolysis bath |
| 05/08/2013 | CN202920868U Comprehensive monitoring and fire protecting device for high-voltage cable joint |
| 05/08/2013 | CN103097898A Methods and apparatus to detect voltage conditions of power supplies |
| 05/08/2013 | CN103095160A Power Supply System, Image Forming Apparatus Having The Same, And Low-capacity Power Supply Circuit |
| 05/08/2013 | CN103094908A One fourth sliding window current detecting method based on static var generator |
| 05/08/2013 | CN103094877A Undervoltage-overvoltage protection device and method |
| 05/08/2013 | CN103091644A Energy-saving simple power indicator |
| 05/08/2013 | CN103091637A Battery electric quantity liquid crystal display device of energy storage system |
| 05/08/2013 | CN103091632A Automotive battery sensor and control method thereof |
| 05/08/2013 | CN103091600A Electric power circuit fault indicator |
| 05/08/2013 | CN103091548A Supply voltage detection circuit |
| 05/08/2013 | CN103091547A Full voltage class wireless electroscope |
| 05/08/2013 | CN103091546A Voltage extracting device |
| 05/08/2013 | CN103091545A Sinusoidal signal phasor half-wave computing method irrelevant to frequency |
| 05/08/2013 | CN103091544A Direct current electric leakage detection circuit |
| 05/08/2013 | CN103091543A Current detection circuit, constant current circuit and battery charging and discharging protective system |
| 05/08/2013 | CN103091542A Voltage detection circuit capable of automatically transferring switch |
| 05/08/2013 | CN103091541A Intelligent substation secondary transient voltage measuring device and measuring method |
| 05/08/2013 | CN103091540A Reclosure device power supply voltage detection circuit |
| 05/08/2013 | CN103091539A Systems and methods for use in measuring current through conductor |
| 05/08/2013 | CN103091538A Current detection apparatus |
| 05/08/2013 | CN103091537A Apparatus for measuring current of vehicle battery and resistance member for measuring current of vehicle battery |
| 05/08/2013 | CN103091536A Current detection apparatus |
| 05/08/2013 | CN103091535A Proximity electric current sensing device and method |
| 05/08/2013 | CN103091534A High voltage offset detection circuit |
| 05/08/2013 | CN103091533A Current sampling circuit achieved by laterally diffused metal oxide semiconductor (LDMOS) devices |
| 05/08/2013 | CN103091532A Electric current transducer used for automobile and based on zero magnetic flux compensation |
| 05/08/2013 | CN103091531A Array type Hall current sensing device and automobile power system including the same |
| 05/08/2013 | CN103091529A Voltage transformer based on optical Fabry-Perot cavity and distributed type networking structure |
| 05/08/2013 | CN103091526A Voltage detection circuit |
| 05/08/2013 | CN103091124A Ageing test device of setting-out grass cutter and brush cutter |
| 05/08/2013 | CN102253333B Life tester for alternating-current contactor and control method thereof |
| 05/08/2013 | CN102236041B Voltage detection displaying device |
| 05/08/2013 | CN102207538B 多功能干簧管测试仪 Multifunction reed tester |
| 05/08/2013 | CN102128970B Wide-load range, high-precision and low-power consumption current detection circuit |
| 05/07/2013 | US8436741 Locating device |
| 05/02/2013 | WO2013062706A1 Method and apparatus for detecting a lightning strike |
| 05/02/2013 | WO2013061200A1 Auto recovering protection of electromechanical components in a high magnetic field |
| 05/02/2013 | WO2012173937A3 Cell modeling |
| 05/02/2013 | US20130110434 Method and arrangement for detecting frequency and fundamental wave component of three-phase signal |
| 05/02/2013 | US20130110433 Wireless Multi-Scan Wire Identifier |
| 05/02/2013 | US20130110432 Pre-charging filters to reduce settling time |
| 05/02/2013 | US20130106402 Power Source Arrangement and Method of Diagnosing a Power Source Arrangement |
| 05/02/2013 | US20130106400 Proximity electric current sensing device and method |
| 05/02/2013 | DE102012219690A1 Spannungsquellenanordnung und verfahren zur diagnose einer spannungsquellenanordnung Voltage source means and methods to diagnose a voltage source arrangement |
| 05/02/2013 | DE102012218492A1 Aufspannvorrichtung zur Verwendung im Halbleitertest und Verfahren für das Messen einer Durchschlagspannung unter Verwendung der Aufspannvorrichtung Jig for use in semiconductor test and method for measuring a breakdown voltage using the jig |
| 05/02/2013 | DE102012213379A1 Hauptrelais-überwachungsgerät und verfahren für ein umweltfreundliches fahrzeug Main relay monitor and process for an environmentally friendly vehicle |
| 05/02/2013 | DE102012205574B3 Vorrichtung zur Temperaturüberwachung und Batteriesicherheitssystem mit einer solchen Vorrichtung und Fahrzeug A temperature monitoring device and battery safety system comprising such a device and vehicle |
| 05/02/2013 | DE102012110379A1 Stromerfassungsvorrichtung Current detecting device |
| 05/02/2013 | DE102012110280A1 Stromerfassungsvorrichtung Current detecting device |
| 05/02/2013 | DE102011085516A1 Verfahren und Vorrichtung zur Spannungsmessung in einem dreiphasigen Spannungsnetz und externer NA-Schutz Method and apparatus for measuring voltage in a three-phase voltage system and with external protective NA |
| 05/02/2013 | CA2844412A1 Method and apparatus for detecting a lightning strike |