| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 07/11/2012 | CN102565648A DC600V main line on-line insulation monitoring device |
| 07/11/2012 | CN102565647A GIS (Global Information System) withstand voltage testing system |
| 07/11/2012 | CN102565626A On-line positioning method and system of section with low-current ground faults |
| 07/11/2012 | CN102565617A Method for inspecting current loop of main transformer sleeve by using zero lifting flow |
| 07/11/2012 | CN102565614A Alternating voltage loop test method |
| 07/11/2012 | CN102565601A High-voltage charged display device |
| 07/11/2012 | CN102565593A Experimental device for simulating offline of pantograph and control device applied to experimental device |
| 07/11/2012 | CN102565580A Measurement method of coefficient of uniformity of current distribution of multi-column parallel resistance chip columns |
| 07/11/2012 | CN102565578A Method and device for detecting arc faults using fault counter |
| 07/11/2012 | CN102565524A Real-time monitoring method for short-circuit current of near zone of transformer |
| 07/11/2012 | CN102565523A Current harmonic detection system and working method |
| 07/11/2012 | CN102565522A Collecting and synchronizing device for welding current |
| 07/11/2012 | CN102565521A High-precision wide-dynamic-range microwave signal level test device |
| 07/11/2012 | CN102565520A Battery voltage measurement system and battery voltage measurement method |
| 07/11/2012 | CN102565519A Wireless direct-current high-voltage digital microammeter |
| 07/11/2012 | CN102565518A 电流平衡测试系统 Current balance testing system |
| 07/11/2012 | CN102565517A Converter detector |
| 07/11/2012 | CN102565516A Undervoltage detection circuit |
| 07/11/2012 | CN102565515A Overcurrent detection circuit of light emitting module |
| 07/11/2012 | CN102565514A Voltage drop detecting circuit |
| 07/11/2012 | CN102565513A High-voltage presence indication locking device |
| 07/11/2012 | CN102565512A Precision measurement method and device for heavy current |
| 07/11/2012 | CN102565511A Ultrahigh voltage signal acquisition circuit |
| 07/11/2012 | CN102565510A Method for lively testing resistive current of lightning arrester of power transmission line |
| 07/11/2012 | CN102565509A Multi-light-path reflecting optical fiber current sensor |
| 07/11/2012 | CN102565508A 半导体装置 Semiconductor device |
| 07/11/2012 | CN102565507A Magnetic field current sensors |
| 07/11/2012 | CN102565506A Current sensor |
| 07/11/2012 | CN102565505A XMR sensors with high shape anisotropy |
| 07/11/2012 | CN102565504A Sample and hold circuit for voltage measuring |
| 07/11/2012 | CN102565503A Battery testing dynamic delta voltage measurement |
| 07/11/2012 | CN102565502A Power semiconductor device current detector circuit and detection method |
| 07/11/2012 | CN102565501A Pulse current detection circuit |
| 07/11/2012 | CN102565500A Voltage sensor |
| 07/11/2012 | CN102565499A Novel high voltage optical fiber sensing device |
| 07/11/2012 | CN102565498A Optical fiber type high voltage monitoring device |
| 07/11/2012 | CN102565497A C/B(E) interpolar voltage test circuit for semiconductor |
| 07/11/2012 | CN102565496A Two-way transmission optical current sensor |
| 07/11/2012 | CN102565495A Optical fiber type current sensing device |
| 07/11/2012 | CN101881801B Photovoltaic inverter leakage current detection method |
| 07/11/2012 | CN101701978B Current detecting device on high-voltage and ultrahigh-voltage power transmission line and detecting method thereof |
| 07/11/2012 | CN101646951B Method for detecting an electric potential difference on a piezoelectric actuator unit and circuit arrangement for carrying out said method |
| 07/11/2012 | CN101421631B Method for measuring an alternating current which is generated using inverters, and arrangement for carrying out the method |
| 07/11/2012 | CN101361002B Device and method for converting digital signal with high-voltage swinging to digital signal with low-voltage swinging |
| 07/11/2012 | CN101236439B Apparatus and method for self calibration of current feedback |
| 07/10/2012 | US8219336 Arrangement for determining the operational parameters of a high-frequency power amplifier |
| 07/10/2012 | US8219334 Method and apparatus for an electric meter |
| 07/10/2012 | US8217664 Generating a time delayed event |
| 07/10/2012 | US8217640 Method and device for determining the phases in a multi-phase electrical system |
| 07/05/2012 | WO2012091432A2 Method and device for calculating state of health in secondary battery |
| 07/05/2012 | WO2012090558A1 Voltage detecting circuit |
| 07/05/2012 | US20120169378 Differential data sensing |
| 07/05/2012 | US20120169323 Congruent power and timing signals for device |
| 07/05/2012 | US20120169321 Measuring device for hard disk drive |
| 07/05/2012 | US20120167692 Energy intensity transformation |
| 07/05/2012 | DE102011090101A1 Schaltungsanordnung mit einem Messtransistor A circuit arrangement with a sense transistor |
| 07/04/2012 | EP2472273A2 Battery current measuring |
| 07/04/2012 | EP2470918A2 High linear fast peak detector |
| 07/04/2012 | EP1963870B1 Current measurement circuit and method |
| 07/04/2012 | CN202309135U 一种锂电池充电提示器 One kind of lithium rechargeable Reminder |
| 07/04/2012 | CN202309044U Insulated gate bipolar translator (IGBT) module driving circuit applicable to high power inverter |
| 07/04/2012 | CN202306663U 一种用于控制多门的指纹系统 A method for controlling multi-door fingerprint system |
| 07/04/2012 | CN202306256U 物联网电压电流巡检器 Things voltage and current inspection device |
| 07/04/2012 | CN202305729U 一种用于线路失电的告警装置 A power failure alarm circuit means for |
| 07/04/2012 | CN202305717U 交流断电快速检测电路 Rapid detection circuit AC power failure |
| 07/04/2012 | CN202305715U 故障快速识别装置 Fast fault identification device |
| 07/04/2012 | CN202305704U 一种氧化锌避雷器运行状态监测装置 An MOA condition monitoring devices |
| 07/04/2012 | CN202305699U 基于驱动芯片的igbt短路保护检测电路 Igbt driver chip-based detection circuit short-circuit protection |
| 07/04/2012 | CN202305668U 基于can总线的新能源发电电能质量监测装置 Based on new energy generation power quality monitoring devices can bus |
| 07/04/2012 | CN202305663U 一种用于国网三相智能电能表的高精度计量电路 A national network of high-precision measurement circuit for three-phase smart meter |
| 07/04/2012 | CN202305656U Photovoltaic inverter grid-connected intelligent detection device |
| 07/04/2012 | CN202305655U 一种电压采集电路 A voltage-acquisition circuit |
| 07/04/2012 | CN202305654U 一种杂散电流采集装置 One kind of stray current collection device |
| 07/04/2012 | CN202305653U 射频消融信号反馈电路 Radiofrequency signal feedback circuit |
| 07/04/2012 | CN202305652U On-off controllable zero-crossing detection circuit |
| 07/04/2012 | CN202305651U Detection circuit for zero-crossing signal in alternating-current motor speed-regulating device |
| 07/04/2012 | CN202305650U 一种豆浆机输入电压检测电路 One kind of input voltage detection circuit Soymilk |
| 07/04/2012 | CN202305649U Pre-warning device of brush detection tester |
| 07/04/2012 | CN202305648U 交流漏电报警器 AC leakage alarm |
| 07/04/2012 | CN202305647U 电容型低压声光测电器 Capacitive measuring electrical low-voltage sound and light |
| 07/04/2012 | CN202305646U 一种电压指示器插头座 A voltage-indicator plugs and sockets |
| 07/04/2012 | CN202305645U 一种可固定的中高压带电指示器 Can be fixed in one kind of high-voltage electric indicator |
| 07/04/2012 | CN202305644U 用于中高压带电指示的简易电路 Simple circuit is used in high-voltage live instruction |
| 07/04/2012 | CN202305643U 一种指套式试电笔 One kind of finger-type test pencil |
| 07/04/2012 | CN202305642U Ground wire live detecting apparatus |
| 07/04/2012 | CN202305641U 一种高压电压指示器 A high voltage voltage indicator |
| 07/04/2012 | CN202305640U 激光调制高温热电势测量系统 High-temperature thermoelectric power laser modulation measurement systems |
| 07/04/2012 | CN202305639U 一种无刷励磁机励磁电流检测装置 A brushless exciter field current detection device |
| 07/04/2012 | CN202305638U Relay array type conduction and insulation test circuit |
| 07/04/2012 | CN202305637U 交流电流传感器 AC current sensor |
| 07/04/2012 | CN202305636U 一种高过载型霍尔电流传感器 A high-overload Hall current sensors |
| 07/04/2012 | CN202305635U 一种电力无线传感器的主体 A power wireless sensor body |
| 07/04/2012 | CN202305634U 一种电流检测系统 A current detection system |
| 07/04/2012 | CN202305633U 用于汽车电器的小电流霍尔传感装置 Small current Hall sensor devices for automotive electronics |
| 07/04/2012 | CN202305632U 带双霍尔元件的霍尔电流传感器及采用其的汽车电源系统 Hall current sensor with dual Hall elements and the use of its automotive power systems |
| 07/04/2012 | CN202305581U 一种750kV移动式验电平台 One kind of mobile 750kV electrical inspection platform |
| 07/04/2012 | CN202305021U 一种电缆型温度显示器 A cable-type temperature display |
| 07/04/2012 | CN102549919A Protection circuit for power amplifier |
| 07/04/2012 | CN102548131A Power supply device and method for lighting system with light-emitting diodes and lighting assembly comprising one such device |
| 07/04/2012 | CN102545735A Method for processing current static deviation of permanent magnet motor |