Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups , or (13,411) |
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05/16/2012 | CN102455191A Optical fiber sensing device based on optical fiber bending deformation |
05/15/2012 | US8179122 Current/voltage detection printed board and current/voltage detector |
05/10/2012 | WO2012060181A1 Current sensor |
05/10/2012 | WO2012060069A1 Current sensor |
05/10/2012 | DE102010050785A1 Verfahren zur Verifizierung einer elektrischen Verbindung eines Generators mit einem Wechselrichter Process for the verification of an electrical connection of a generator to an inverter |
05/09/2012 | EP2449389A2 Current passage indicator |
05/09/2012 | CN202217015U Three-phase electric energy metering device |
05/09/2012 | CN202217005U Passive anti-frequency-conversion interference signal isolation converter |
05/09/2012 | CN102445588A Short-time slowly-varying high-current measuring device based on (printed circuit board) PCB type Rogowski coil |
05/09/2012 | CN102445587A Current sampling circuit and current range judging device thereof |
05/09/2012 | CN102445586A Optical fiber sensor and method for monitoring stray currents of subway |
05/09/2012 | CN102445583A Detection method for voltage signals of power energy quality monitoring device and circuit as well as application thereof |
05/09/2012 | CN102445582A Primary current sensor structure suitable for high-voltage direct current measurement |
05/09/2012 | CN102445581A Capacitive voltage-division type self-calibration optical voltage transducer |
05/09/2012 | CN102445580A Electronic indicator |
05/09/2012 | CN101881789B Secondary side output signal cable transmission device of voltage transformer |
05/08/2012 | US8175824 Circuit testing apparatus |
05/08/2012 | US8174268 Protective relay monitoring system and method of comparing behavior patterns |
05/03/2012 | WO2012056307A1 Method of identifying a current transformer and associated metering device |
05/03/2012 | WO2012056296A1 Method of enabling calibration of a current transformer, and associated apparatus |
05/03/2012 | WO2012055357A1 Isolated voltage sensor and isolated voltage sensor using mtj device |
05/03/2012 | US20120105052 Method for measuring the current level of an alternating current |
05/03/2012 | DE102010049816A1 Use of apparatus as e.g. strain gauge sensor simulator, using reset knob to fix multi-gear potentiometer in position, electrical-bridge detuned by multi-gear potentiometer and LCD-display measuring detuned voltage of bridge |
05/03/2012 | DE102010043254A1 Messsystem zur Überwachung mindestens einer Phase eines Systems Measurement system for monitoring at least one phase of a system |
05/03/2012 | DE102007040399B4 Vorrichtung zur galvanisch getrennten Messung der elektrischen Leistungsaufnahme eines Zweipols Apparatus for electrically isolated measurement of electrical power consumption of a dipole |
05/03/2012 | CA2812216A1 Method of identifying a current transformer and associated metering device |
05/03/2012 | CA2812200A1 Method of enabling calibration of a current transformer, and associated apparatus |
05/02/2012 | CN202210465U Collecting current transformer |
05/02/2012 | CN202210464U Current transformer |
05/02/2012 | CN202210463U Indoor bus-type current transformer with fixing device |
05/02/2012 | CN202210127U Data acquisition analyzer of inverter air conditioner |
05/02/2012 | CN202210118U Current measurement circuit of wide-range electric energy meter |
05/02/2012 | CN202210117U Large-range peak voltage digital display table |
05/02/2012 | CN202210113U Digital display multifunctional instrument |
05/02/2012 | CN102436921A Hollow coil shaft current transformer |
05/02/2012 | CN102436897A Flexible Rogowski coil used for detecting direct-current system short-circuit current and method for designing same |
05/02/2012 | CN102435847A High-precision electrical parameter analyzer |
05/02/2012 | CN102435829A Optical voltage sensor and self-calibration method for realizing sensor |
05/02/2012 | CN102435828A Isolated type circuit-voltage zero-crossing detecting circuit |
05/02/2012 | CN102435827A Rogowski coil-based method and Rogowski coil-based device for detecting direct-current short-circuit current fault |
05/02/2012 | CN102435821A Detection method of three-phase inverter output line voltage |
05/02/2012 | CN102435810A Method and device for detecting direct-current component in alternating current |
05/02/2012 | CN101728852B Battery equilibrium charging and detecting and repairing device |
05/01/2012 | US8170815 RF fingerprinting for location estimation |
05/01/2012 | US8170814 Systems and methods to determine an impedance mismatch |
04/26/2012 | WO2012053296A1 Current sensor |
04/26/2012 | WO2011152921A3 Apparatus and method for current sensing using a wire bond |
04/26/2012 | DE19542899B4 Wechselstromsensor auf der Basis einer Parallelplattengeometrie und mit einem Shunt zur Selbstspeisung AC current sensor based on a parallel plate geometry and a shunt for self-supply |
04/25/2012 | CN202205570U 一种户内电流互感器 Within a household current transformer |
04/25/2012 | CN202205569U 一种电压互感器 A voltage-transformer |
04/25/2012 | CN202205568U 一种户内式具有熔断器保护的电压互感器 Type within a household with a voltage transformer fuse protection |
04/25/2012 | CN202204868U 纯电动及混合动力汽车充电控制器的峰值电流检测装置 Pure electric and hybrid electric vehicle charging controller peak current detection device |
04/25/2012 | CN202204864U 一种液晶多功能仪表 A liquid crystal multi-function instrument |
04/25/2012 | CN202204863U 一种基于蓝牙接口的数字万用表 Bluetooth interface based digital multimeter |
04/25/2012 | CN202204862U 电力专用钳形万用表 Dedicated power clamp multimeter |
04/25/2012 | CN202204861U 电子式电容分压器 Electronic capacitive voltage divider |
04/25/2012 | CN202204860U 一种串并联组合磁场线圈分流电路 One kind of series and parallel combinations of field coil shunt circuit |
04/25/2012 | CN102426287A 一种电力变压器偏磁直流的在线监测装置 A power transformer DC magnetic bias line monitoring device |
04/25/2012 | CN102426281A 纵向调制光学电压传感器 Longitudinal modulation optical voltage sensor |
04/25/2012 | CN102426280A 反射式萨格奈克干涉型光纤电流传感器 Reflective Sagnac interferometric fiber optic current sensors |
04/25/2012 | CN102426279A All-optical high-voltage voltage transformer |
04/25/2012 | CN101958191B 一种零序电流互感器 A zero-sequence current transformer |
04/25/2012 | CN101919009B 气密的测量穿通装置 Airtight measuring feedthroughs |
04/25/2012 | CN101901681B 一种10kv无源电子式电压互感器 One kind of passive electronic voltage transformer 10kv |
04/25/2012 | CN101901679B 同心度自动补偿型同轴电容分压电子式电压互感器及其补偿方法 Concentricity automatic compensation type coaxial capacitive divider electronic voltage transformer and compensation methods |
04/25/2012 | CN101877273B 电压互感器 Voltage transformer |
04/25/2012 | CN101680917B 用于测量在电导体中流动的电流的装置 Measuring the current flowing in the electrical conductor means for |
04/19/2012 | WO2012050626A1 Dynamic randomized controlled testing with consumer electronics devices |
04/19/2012 | WO2012050048A1 Current sensor |
04/19/2012 | WO2012049565A1 Current measuring device for electric lines |
04/18/2012 | EP2442118A1 Magnetic balance current sensor |
04/18/2012 | EP2442117A1 Magnetic balance current sensor |
04/18/2012 | CN202196659U 一种电子式电流互感器及其外屏蔽罩 An electronic current transformers and outer shield |
04/18/2012 | CN202196658U 一种电子式电流互感器 An electronic current transformer |
04/18/2012 | CN202196656U 户内引进技术智能箱变专用支柱式电压互感器 The introduction of technology smart box becomes a dedicated indoor voltage transformer pillar |
04/18/2012 | CN202196110U 一种感应式高压支柱绝缘子带传感器 An inductive sensor with high voltage post insulators |
04/18/2012 | CN202196109U 数字万用表 Digital Multimeter |
04/18/2012 | CN202196108U 一种实现自动量程的数据采集设备 An implementation of automatic data capture equipment range |
04/18/2012 | CN202196107U 一种现场用高压直流标准分压器的自举式安装装置 A field with a high-voltage direct current voltage divider bootstrap standard mounting apparatus |
04/18/2012 | CN102422168A Electric current measuring instrument |
04/18/2012 | CN102419390A 一种防铁磁谐振自供电的3pt三相三线电子式互感器高压电能计量柜或计量箱 An anti-ferromagnetic resonance self-powered 3pt phase three-wire electronic transformer high-voltage energy metering cabinet or metering box |
04/18/2012 | CN101852823B 无接触式电压测量装置及无接触式电压测量方法 Non-contact voltage measurement apparatus and method for non-contact voltage measurement |
04/18/2012 | CN101680915B 用于分析快速电流变化的方法和装置 Methods and apparatus for the analysis of fast current variation |
04/18/2012 | CN101535818B 用于测量导线上的电压的方法和设备 Method and apparatus for measuring the voltage on the conductor |
04/18/2012 | CN101248358B 用于电流检测的装置及操作这种装置的方法 Current detection apparatus and method of operating such a device for |
04/18/2012 | CN101231312B 用于提高互感器准确度的设备及方法 Apparatus and method for improving the accuracy of the transformer |
04/17/2012 | US8160829 Current measuring device and processing unit comprising one such device |
04/17/2012 | US8159211 Clamp jaw assembly |
04/12/2012 | WO2012047460A1 Smart transformer |
04/12/2012 | WO2012046547A1 Current sensor |
04/12/2012 | WO2012046537A1 Current sensor |
04/12/2012 | WO2012045873A1 Lightning detection system |
04/12/2012 | WO2012045287A1 Multifunctional measuring device |
04/12/2012 | US20120086435 Manipulation assembly for online electrical system test probe installation |
04/12/2012 | US20120086433 Mems-based current sensing apparatus |
04/12/2012 | DE102011000396A1 Stromerfassungsvorrichtung Current detecting device |
04/12/2012 | CA2813850A1 Smart transformer |
04/11/2012 | EP2439562A1 Lightning detection system |
04/11/2012 | EP2439544A2 MEMS current sensing apparatus |
04/11/2012 | CN202189673U Electromagnetism-electron mixing current transformer |