| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 08/17/2011 | CN201935958U 电流检测仪 Current Detector |
| 08/17/2011 | CN201935957U 一种基于电压测量的智能数字交流毫伏表 Based on intelligent digital AC voltage measurement Millivoltmeter |
| 08/17/2011 | CN201935956U 一种高压变频器电压信号测量装置 A high voltage inverter voltage signal measuring device |
| 08/17/2011 | CN201935955U 一种电池组总电压检测电路 An assembled battery total voltage detection circuit |
| 08/17/2011 | CN201935954U 过电流检测电路 Overcurrent detection circuit |
| 08/17/2011 | CN201935953U 针头测试电笔 Needle Testers |
| 08/17/2011 | CN201935952U 端子化连接的电流表 Ammeter connected to the terminals of |
| 08/17/2011 | CN201935951U Street lamp tail voltage collection system |
| 08/17/2011 | CN201932009U 磁电机电压正常提示电路 Magneto prompted circuit voltage is normal |
| 08/17/2011 | CN1848582B Electrified wire netting supervisory relay for automatic phase correcting, possessing switch output |
| 08/17/2011 | CN102157965A Charging control device and voltage detecting method for eliminating switch internal resistance by voltage clamping |
| 08/17/2011 | CN102157948A Static var compensation device current detection method based on transient power balance |
| 08/17/2011 | CN102157922A Reactance relay and re-closing method |
| 08/17/2011 | CN102157914A Novel half-wave rapid detection method for relay protection device |
| 08/17/2011 | CN102157051A Stopping alarm for oil well |
| 08/17/2011 | CN102156241A On-line monitoring unit for leakage current of zinc oxide arrester |
| 08/17/2011 | CN102156218A Device and method for measuring voltage of noncontact charge induced high-voltage transmission line |
| 08/17/2011 | CN102156217A Method for detecting voltage drop of three-phase power network based on mean-value filter |
| 08/17/2011 | CN102156216A Method for discriminating magneting inrush current of direct current transmission converter transformer |
| 08/17/2011 | CN102156215A Closed-loop electric test clamp |
| 08/17/2011 | CN102156214A Double-light-path leakage current optical fiber sensor device |
| 08/17/2011 | CN102156213A Fiber bragg grating current measurement method based on birefrigent effect |
| 08/17/2011 | CN102156212A Method and device for measuring heavy current of magnetic coupled fiber grating |
| 08/17/2011 | CN102156211A Full-CMOS (complementary metal-oxide-semiconductor transistor) accurate current sampling circuit |
| 08/17/2011 | CN102156207A Distributed intelligent electric energy recording system and detecting method thereof |
| 08/17/2011 | CN101782602B Transformer inrush current identification method based on suddenly-change sampling value and blocking relay |
| 08/17/2011 | CN101718847B Device for measuring high-voltage pulse power supply of xenon lamp of laser device |
| 08/17/2011 | CN101718813B Method for monitoring voltage acquisition circuit of electric power secondary system |
| 08/17/2011 | CN101667321B Solar generation monitoring and alarming system |
| 08/17/2011 | CN101655530B Method for judging low-frequency oscillation of power grid based on PSS output mutation |
| 08/17/2011 | CN101651084B Electrostatic chuck supply current sampling device, method and plasma device |
| 08/17/2011 | CN101496724B Method and system for distortion compensation |
| 08/17/2011 | CN101454678B Method and device for demodulation of signals |
| 08/16/2011 | US7999558 Systems and methods of overvoltage and undervoltage detection |
| 08/16/2011 | US7999514 Circuit and method of operation for an electrical power supply |
| 08/16/2011 | US7999418 Electrical system and control method |
| 08/11/2011 | WO2011097045A1 Current sensing devices and methods |
| 08/11/2011 | US20110196626 Motion state detecting method and motion state detecting apparatus |
| 08/11/2011 | US20110193589 On-Chip Sensor For Measuring Dynamic Power Supply Noise Of The Semiconductor Chip |
| 08/11/2011 | US20110193558 Passenger scanning systems for detecting contraband |
| 08/11/2011 | US20110193550 Logarithmic mean-square power detector |
| 08/11/2011 | US20110193546 Current sensor and current sensing method |
| 08/11/2011 | DE102011003998A1 Stromsensor, der eine gesinterte Metallschicht umfasst Current sensor which comprises a sintered metal layer |
| 08/10/2011 | EP2354800A1 Method of and apparatus for determining fundamental frequency component of the grid voltage |
| 08/10/2011 | EP2354799A1 Device and method for metering electric energy |
| 08/10/2011 | CN201928016U 一种带信号采集功能的电涌保护器 A surge protector with signal acquisition function |
| 08/10/2011 | CN201927937U 带电感应地线操作绝缘杆 Charged induction ground operations insulating rod |
| 08/10/2011 | CN201927477U 一种电子式光电互感器采集装置 An electronic photoelectric transformer acquisition device |
| 08/10/2011 | CN201926727U 电能质量监测仪 Power quality monitor |
| 08/10/2011 | CN201926717U 保护范围内直接雷击精确预警系统 Accurate direct lightning warning system within the scope of protection |
| 08/10/2011 | CN201926702U 一种交流电子毫伏表 An AC electronic Millivoltmeter |
| 08/10/2011 | CN201926701U Zero crossing detection circuit of ecological house |
| 08/10/2011 | CN201926700U Zero-crossing detection circuit |
| 08/10/2011 | CN201926699U 一种用于掉电检测的低压电路 A low-voltage brownout detection circuit |
| 08/10/2011 | CN201926698U 一种可测电压的简易试电笔 Simple one of its measurable voltage test pencil |
| 08/10/2011 | CN201926697U 电阻型电压传感器 Resistance-type voltage sensor |
| 08/10/2011 | CN201926696U 一种数字电压表 A digital voltmeter |
| 08/10/2011 | CN201926695U 避雷器动作电流幅值监测器 Arrester action current amplitude monitor |
| 08/10/2011 | CN201926694U 多功能防感应电接地装置 Multifunctional Anti-induced electrical grounding device |
| 08/10/2011 | CN201926693U 一种基于以太网的嵌入式电网参数监测仪 Based on Ethernet network parameters monitor |
| 08/10/2011 | CN201926692U 电流电压同步采样相位自动补偿系统 Current and voltage synchronous sampling phase automatic compensation system |
| 08/10/2011 | CN102148897A Earphone detection method and multi-mode terminal |
| 08/10/2011 | CN102148488A Circuit device |
| 08/10/2011 | CN102148293A Laser scribing and repairing method for amorphous silicon solar cell |
| 08/10/2011 | CN102147428A Digital measuring method and device for output voltage of frequency converter |
| 08/10/2011 | CN102147427A Voltage detection device |
| 08/10/2011 | CN101699298B One-phase digital current/voltage measuring instrument and measuring method thereof |
| 08/10/2011 | CN101650403B Current sensor for polluted insulator leakage of AC high-voltage electric transmission line |
| 08/10/2011 | CN101499676B Vehicular power cell diagnosis method and alarm thereof |
| 08/10/2011 | CN101303377B Parameter acquisition method of discharging radiation pulse |
| 08/09/2011 | US7994771 Current measurement circuit, current detection circuit and saturation prevention and recovery circuit for operational amplifier |
| 08/09/2011 | US7994770 Transmitter of a system for detecting a buried conductor |
| 08/09/2011 | US7994660 Supply topology with power limiting feedback loop |
| 08/09/2011 | CA2345561C Fiber-optic current sensor |
| 08/08/2011 | CA2727593A1 Electric power metering device and method |
| 08/04/2011 | WO2011094102A2 Data processing system having brown-out detection circuit |
| 08/04/2011 | WO2011093189A1 Smoothed-current calculating device, smoothed-current calculating method, and battery monitoring module |
| 08/04/2011 | US20110187349 Detector circuit and semiconductor device using same |
| 08/04/2011 | US20110187348 Power strip and electric power measurement system |
| 08/04/2011 | US20110187346 Current detecting device |
| 08/04/2011 | DE102011003279A1 System und Verfahren zum Testen einer Schaltung System and method for testing a circuit |
| 08/03/2011 | EP2350764A1 Power line energy harvesting power supply |
| 08/03/2011 | EP2208077B1 Current integrator with wide dynamic range |
| 08/03/2011 | CN201918929U 具有智能检测的汇流装置 Intelligent detection device having a bus |
| 08/03/2011 | CN201918803U Substation signal acquisition system |
| 08/03/2011 | CN201917797U 家用多功能电路控制装置 Home-circuit control device |
| 08/03/2011 | CN201917646U Overcurrent detection circuit of solar street lamp |
| 08/03/2011 | CN201917621U 变压器智能报警装置 Transformers intelligent alarm device |
| 08/03/2011 | CN201917609U 一种高压带电显示器 A high voltage live display |
| 08/03/2011 | CN201917608U 机车信号测试仪 Cab Signal Tester |
| 08/03/2011 | CN201917607U 一种过电流模拟信号试验电路 An over current analog signal test circuit |
| 08/03/2011 | CN201917606U 一种燃气钉枪高压放电检测保护电路及燃气钉枪 A gas nailer high-pressure gas discharge detection circuit and nail protection |
| 08/03/2011 | CN201917605U 高压带电无源指示器 High-voltage electric passive indicator |
| 08/03/2011 | CN201917604U 三相用电器旋转方向指示表 Three-phase rotation direction indication table appliances |
| 08/03/2011 | CN201917603U 一种监测雷电流波形的线圈装置 A coil device to monitor the lightning current waveforms |
| 08/03/2011 | CN201917602U 新型电压表 The new voltmeter |
| 08/03/2011 | CN201917593U 一种测量电涌保护器残压的分压器装置 A surge protector device for measuring the residual voltage divider |
| 08/03/2011 | CN102142667A Breaker and power monitoring system |
| 08/03/2011 | CN102141595A Operation method of alternating current light-emitting diode |
| 08/03/2011 | CN102141584A Digital electronic fluorescent scanning voltage sensor |