| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 08/31/2011 | CN102170122A Power grid capacitive current online automatic tracking and monitoring device and tuning method thereof |
| 08/31/2011 | CN102170121A Resonance eliminator with correcting potential transformer |
| 08/31/2011 | CN102169161A Method for testing capacitive touch chip |
| 08/31/2011 | CN102169155A Method and apparatus for monitoring electrical ground isolation in a powertrain system |
| 08/31/2011 | CN102169152A Novel zinc oxide arrester tester |
| 08/31/2011 | CN102169139A Independently packaged ammeter sensor |
| 08/31/2011 | CN102169137A Signal processing method and measuring device for high-voltage frequency converter |
| 08/31/2011 | CN102169136A Method and system for monitoring brush current of generator on line |
| 08/31/2011 | CN102169135A Resistive current remote online monitoring system for power transmission line arrester |
| 08/31/2011 | CN102169134A A hardware-based transient voltage recording method |
| 08/31/2011 | CN102169133A Current measurement device |
| 08/31/2011 | CN101762740B Overvoltage comparison circuit |
| 08/31/2011 | CN101738553B Universal testing system of frequency transformer and current transformer |
| 08/31/2011 | CN101561479B Simple motor detector provided with LED display and RS485 network interface |
| 08/31/2011 | CN101487869B Method for remotely detecting system response time and current/voltage threshold value |
| 08/31/2011 | CN101324641B Flow field plate for measuring fuel battery local current density |
| 08/31/2011 | CN101213460B A peak or zero current comparator |
| 08/31/2011 | CN101163979B Test prepared integrated circuit with an internal power supply domain and test method |
| 08/30/2011 | US8010823 Power supply with integrated uninterruptible power control |
| 08/30/2011 | US8010318 System and method to determine electric motor efficiency nonintrusively |
| 08/30/2011 | US8008948 Peak voltage detector circuit and binarizing circuit including the same circuit |
| 08/26/2011 | DE202011050021U1 Kabel-Buchsenaufteilungsmodul Cable socket splitter module |
| 08/26/2011 | CA2732549A1 Enhanced lossless current sense circuit |
| 08/25/2011 | WO2011101097A1 A method of subsynchronous resonance detection |
| 08/25/2011 | WO2011101017A1 Electricity system configuration method and computer program performing the method |
| 08/25/2011 | US20110208456 Apparatus, systems and methods for learning a critical voltage of a microprocessor control unit |
| 08/25/2011 | US20110205822 Bitline sense amplifier, memory core including the same and method of sensing charge from a memory cell |
| 08/25/2011 | US20110204965 Apparatus and Method Pertaining to Facilitating a Measurement with Respect to Field Effect Transistor |
| 08/25/2011 | US20110204877 Output circuit of charge mode sensor |
| 08/25/2011 | US20110204876 Modular measuring device with distributed data and algorithms |
| 08/25/2011 | US20110204875 Adaptive filters for fiber optic sensors |
| 08/25/2011 | DE102011004480A1 Stromsensoren und Verfahren Current sensors and methods |
| 08/25/2011 | DE102010055225A1 Motoransteuereinrichtung mit Spannungsausfall-Detektionsfunktion Motor driver with power failure detection function |
| 08/25/2011 | DE102010054413A1 Method for locating insulation fault in electrical system of car, involves determining whether insulation fault is present in direct current-portion or alternating current portion based on measurement results |
| 08/25/2011 | DE102010050572A1 Device for simulating high volt buses of e.g. hybrid car, has current sensor connected to pole of voltage source, and load connected to voltage source, and switching device switching current source at current sensor in direction |
| 08/25/2011 | DE102010009235A1 Device for measuring interference voltages of high frequencies and low amplitudes in power electronic components of electrical systems, has measurement circuit whose transfer function is determined using parameter estimating algorithm |
| 08/25/2011 | DE102010009080A1 Verfahren und Vorrichtung zum Auffinden leistungsschwacher PV-Module in einer PV-Anlage Method and apparatus for detecting low-power PV modules in a PV system |
| 08/25/2011 | DE102010009079A1 Verfahren und Vorrichtung zum Auffinden leistungsschwacher PV-Module in einer PV-Anlage mittels des Einsatzes von Trennschaltern Method and apparatus for detecting low-power PV modules in a PV system through the use of circuit breakers |
| 08/24/2011 | EP2360806A2 Protection circuit and electronic device |
| 08/24/2011 | EP2360483A1 Method and device for electricity measurement in a multi-phase electricity network |
| 08/24/2011 | EP2359151A1 Grid monitoring system and related method |
| 08/24/2011 | EP2359150A1 Current measuring device |
| 08/24/2011 | EP1126282B1 Battery voltage detector |
| 08/24/2011 | CN201946981U 模拟典型非线性负载电气特性的发生装置 Nonlinear load generator to simulate a typical electrical characteristics |
| 08/24/2011 | CN201946979U 基于dsp的级联式有源电力滤波器改进瞬时检测与控制装置 Dsp-based Cascade instantaneous active power filter to improve detection and control devices |
| 08/24/2011 | CN201946947U 电源开关保护装置 Power switch protection device |
| 08/24/2011 | CN201946539U 智能断路器信号收发装置 Intelligent circuit breaker signal transmitting and receiving device |
| 08/24/2011 | CN201946423U 基于罗氏线圈的电子式电流互感器用积分器电路 Rogowski coil-based electronic integrator circuit current transformer |
| 08/24/2011 | CN201946099U 太阳能zigbee无线输电线路综合监测数据采集设备 Solar zigbee wireless transmission line integrated monitoring data acquisition devices |
| 08/24/2011 | CN201946085U 一种电气火灾监测传输装置 An electrical fire monitoring transmission device |
| 08/24/2011 | CN201945871U 远距离输电线路避雷器阻性电流在线监测装置 Long-distance transmission line arresters resistive current online monitoring device |
| 08/24/2011 | CN201945675U Zero current detecting circuit for series resonance charge power supply |
| 08/24/2011 | CN201945648U 电能计量质量实时监测分析仪 Measuring the quality of real-time monitoring of power analyzer |
| 08/24/2011 | CN201945647U 光纤差动保护测试仪 Fiber differential protection tester |
| 08/24/2011 | CN201945643U 一种电阻器监控装置 A resistor monitoring device |
| 08/24/2011 | CN201945641U 变配电站分布式电能计量装置 Transformation and distribution stations distributed energy metering device |
| 08/24/2011 | CN201945640U 可测传导电流的pea空间电荷测试装置 Pea measurable space charge conduction current test device |
| 08/24/2011 | CN201945629U 光伏逆变器交流电压采样电路 PV inverter AC voltage sampling circuit |
| 08/24/2011 | CN201945628U 一种带导光柱的高压带电显示器 A high-pressure monitors charged with guiding light beam |
| 08/24/2011 | CN201945627U 一种新型高压带电显示装置 A new high-voltage electric display device |
| 08/24/2011 | CN201945626U 多功能电笔 Multifunctional electric pen |
| 08/24/2011 | CN201945625U 近电报警保安线 Near electric alarm security lines |
| 08/24/2011 | CN201945624U 井下折叠式试电笔 Underground folding test pencil |
| 08/24/2011 | CN201945623U 面向钢铁行业的800吨级轨道称重组合传感器 For the steel industry, weighing 800 ton rail combined sensor |
| 08/24/2011 | CN201945622U 一种电流检测电路 A current detection circuit |
| 08/24/2011 | CN201945621U 高端电流检测电路 High-side current sensing circuit |
| 08/24/2011 | CN201945620U 一种钳形电流表 One kind of clamp meter |
| 08/24/2011 | CN201945619U 一种钳形电流表 One kind of clamp meter |
| 08/24/2011 | CN201945618U 电流检测器 Current detector |
| 08/24/2011 | CN201945616U 多功能计量转换座 Multifunction measure conversion seat |
| 08/24/2011 | CN102165323A Isolated current sensor |
| 08/24/2011 | CN102162837A Voltage detection device of nickel-metal hydride battery |
| 08/24/2011 | CN102162834A Battery voltage detecting device in serially-connected battery pack and method of battery voltage detecting device |
| 08/24/2011 | CN102162833A Method and circuit for detecting working condition of relay in high voltage loop of electric automobile |
| 08/24/2011 | CN102162823A Method and device for detecting state of overcurrent protector of battery |
| 08/24/2011 | CN102162822A Direct-current detection circuit and variable-frequency air conditioner using same |
| 08/24/2011 | CN102162821A Capacitive voltmeter |
| 08/24/2011 | CN102162819A Current measuring device |
| 08/24/2011 | CN101788597B Three-phase three-wire system phase voltage measuring method |
| 08/24/2011 | CN101655695B System and method for improving reliability of electronic device |
| 08/24/2011 | CN101598749B Three-phase midline-free alternating current zero crossing detection device |
| 08/24/2011 | CN101526563B Motoring device for current input voltage output |
| 08/24/2011 | CN101267120B Method for identifying power device and its circuit |
| 08/23/2011 | US8005632 Method and apparatus for detecting faults in a current sensing device |
| 08/23/2011 | US8004377 Indicator for a fault interrupter and load break switch |
| 08/23/2011 | US8004285 Leakage detection device of vehicle mounted power supply system |
| 08/23/2011 | US8004268 Signal measuring device |
| 08/18/2011 | US20110202295 Current measuring device |
| 08/18/2011 | US20110202289 System and method for remote sensing and wireless energy transfer on conductive body |
| 08/18/2011 | US20110199102 Chemical sensors and methods for making and using the same |
| 08/18/2011 | US20110199078 Linear-with-magnetic field magnetoresistance device |
| 08/18/2011 | DE102011004050A1 System zum Bereitstellen eines geschalteten Ausgangssignals und eines hochauflösenden Ausgangssignals A system for providing a switched output signal and a high-resolution output signal |
| 08/18/2011 | DE102010002081A1 LED-Spannungsmessung LED voltage measurement |
| 08/18/2011 | DE102010002060A1 Netzfilter für ein Hausgerät und Hausgerät mit Netzfilter Mains filter for a household appliance and home appliance with Filter |
| 08/17/2011 | EP2357483A1 A method of subsynchronous resonance detection |
| 08/17/2011 | EP2356474A1 Circuit for measuring the efficient current of a signal to be monitored |
| 08/17/2011 | CN201937458U 具有谐波抑制装置的逆变器 The inverter has a harmonic suppression device |
| 08/17/2011 | CN201937014U 一种10kV多功能验电接地装置 The 10kV electrical grounding inspection multifunction device |
| 08/17/2011 | CN201936442U 电容式电压互感器在线监测系统 Capacitive Voltage Transformer Online Monitoring System |
| 08/17/2011 | CN201936159U 网络采样器 Network Sampler |