| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 11/30/2011 | CN202057716U 一种高电压警示器 A high-voltage warning device |
| 11/30/2011 | CN202057715U 一种用于电能计量芯片的双电流比较电路 An energy metering chip dual current comparator circuit |
| 11/30/2011 | CN202057714U 一种电压快速异常波动检测电路 A voltage-detection circuit rapid abnormal fluctuations |
| 11/30/2011 | CN202057713U 无线避雷器在线监测装置 Wireless arrester line monitoring device |
| 11/30/2011 | CN202057712U 音频功率放大器输出电流检测装置 Audio power amplifier output current detection device |
| 11/30/2011 | CN202057711U 闭环磁平衡式霍尔电流式传感器 Closed-loop Hall current magnetic balance sensors |
| 11/30/2011 | CN202057710U 一种红外发光二极管聚焦定位静电电压检测仪 An infrared light-emitting diodes focused positioning electrostatic voltage detector |
| 11/30/2011 | CN202057292U 一种压电式电流传感器 A piezoelectric-type current sensor |
| 11/30/2011 | CN102262180A 无线二次压降测试装置 Wireless secondary voltage drop test device |
| 11/30/2011 | CN102262179A 单极式电流电压一体化传感器 Monopolar current and voltage sensor integration |
| 11/30/2011 | CN102262178A 电压检测和测量电路 Voltage detection and measurement circuit |
| 11/30/2011 | CN102262177A 一种全光纤脉冲电流传感器 An all-fiber-optic current sensor pulse |
| 11/30/2011 | CN102262176A 一种用于测量电力系统馈线终端的通道数据的方法 A method for measuring the power system feeder channel data terminal |
| 11/30/2011 | CN102262175A 分体式漏电信息采集装置 Split leakage of information acquisition device |
| 11/30/2011 | CN102262174A 电压传感器 Voltage sensor |
| 11/30/2011 | CN102262173A 埋地管道埋深及杂散电流大小方向和地磁方位角的测量方法 Measurement of stray buried pipeline depth and direction of the current size and magnetic azimuth |
| 11/30/2011 | CN102262172A 电力监测方法和装置 Power monitoring method and apparatus |
| 11/30/2011 | CN102262171A 一种基于gps同步的moa带电检测系统 Moa charged a synchronous detection system based gps |
| 11/30/2011 | CN102261922A 设备、传感器电路以及用于操作设备或传感器电路的方法 Device, and a method for operating the sensor circuit device or sensor circuit |
| 11/30/2011 | CN101576430B 泄漏检测设备 Leak detection equipment |
| 11/30/2011 | CN101571558B 电流感应电路、方法以及系统 Current sensing circuit, the method and system |
| 11/30/2011 | CN101526561B 一种高频单极性大电流脉冲检测电路 A high frequency large current unipolar pulse detection circuit |
| 11/29/2011 | US8068404 Signal value holding apparatus, signal value holding method, signal value control system, signal value control method, playback apparatus, and playback method |
| 11/29/2011 | US8067963 Sense-amplifier control circuit and controlling method of sense amplifier |
| 11/29/2011 | US8067932 Advanced real-time grid monitoring system and method |
| 11/29/2011 | CA2542724C Single-sensor microcontroller-based approach for ground fault circuit interrupters |
| 11/24/2011 | WO2011144052A1 Method and apparatus for assessing protection performance of surge protection device |
| 11/24/2011 | WO2011094477A3 Effective current sensing for high voltage switching regulators |
| 11/24/2011 | US20110285403 Sensor circuit |
| 11/23/2011 | EP2388599A2 Motor current detecting IC and motor current detector or motor control apparatus using the same |
| 11/23/2011 | EP2388598A2 Motor current detecting IC and motor current detector or motor control apparatus using the same |
| 11/23/2011 | EP2387737A1 Method and measurement device for determining a condition of an electric igniter of a gas turbine burner and an ignition device for a gas turbine burner |
| 11/23/2011 | CN202049229U Voltage detecting device |
| 11/23/2011 | CN202049194U Electrical parameter testing device for oil well |
| 11/23/2011 | CN202049193U Multifunctional electricity integration data measuring and acquiring device |
| 11/23/2011 | CN202049192U High-sensitivity passive direct lightning flash induction counter |
| 11/23/2011 | CN202049191U Overvoltage undervoltage detection circuit |
| 11/23/2011 | CN202049190U Input voltage detecting circuit for power supply unit |
| 11/23/2011 | CN202049189U Multifunctional double-tube test pencil |
| 11/23/2011 | CN202049188U Leakage current sampling device for end shield of high-voltage bushing |
| 11/23/2011 | CN202049187U Voltage sensor |
| 11/23/2011 | CN102257395A Method of monitoring the voltage of an electrical energy generating element of a battery |
| 11/23/2011 | CN102257394A Current sensor having field screening arrangement including electrical conductors sandwiching magnetic permeability layer |
| 11/23/2011 | CN102255330A Device and method for detecting island of micro power grid system |
| 11/23/2011 | CN102254400A Marine engine room monitoring and alarming system with redundant CAN (control area network) bus |
| 11/23/2011 | CN102253333A Life tester for alternating-current contactor and control method thereof |
| 11/23/2011 | CN102253323A Variable temperature microscopic measurement system for measuring related electron-spin transportation |
| 11/23/2011 | CN102253298A PFC (Power Factor Correction) fault detection method for direct-current variable frequency air conditioner controller |
| 11/23/2011 | CN102253276A Real-time detection method for phase potential of motor under control of PWM |
| 11/23/2011 | CN102253275A Data sampler being universally used by voltage-type sensor and inductively coupled plasma (ICP) sensor |
| 11/23/2011 | CN102253274A Current detection method and device |
| 11/23/2011 | CN102253273A High-voltage electrified display with electricity checking and phase detection functions |
| 11/23/2011 | CN102253272A Current measurement and protective sensor for high-voltage alternating current |
| 11/23/2011 | CN102253271A Real-time measurement device and method for current of electrified overhead line |
| 11/23/2011 | CN102253270A Electronic AC (Alternating Current) nanovoltmeter |
| 11/23/2011 | CN102253269A Integrated processing system for real-time data of electric power based on cloud computing and designing method |
| 11/23/2011 | CN102253268A Arc intensity sensing piece |
| 11/23/2011 | CN102253267A Motor current detecting IC and motor current detector or motor control apparatus using the same |
| 11/23/2011 | CN102253266A Linear filter-based harmonic current detection method in three-phase four-wire system |
| 11/23/2011 | CN102253265A Method for compensating voltage measurement errors of voltage transformer with neutral point grounded via equivalent impedance device |
| 11/23/2011 | CN102253264A Multi-chip hybrid packaged Hall effect current sensing module |
| 11/23/2011 | CN102251012A Effects of total flavonoids extracted from Chinese dragon blood on two sodium channel currents of primary sensory neurons |
| 11/23/2011 | CN102248254A Data processing system and method |
| 11/23/2011 | CN101799485B Core holder and zeta electric potential measuring system and method using same |
| 11/23/2011 | CN101609116B New method for detecting input phase failure |
| 11/22/2011 | US8065542 Distributed table-driven power mode computation for controlling optimal clock and voltage switching |
| 11/22/2011 | US8063667 Peak hold circuit |
| 11/21/2011 | DE202011106436U1 Schaltung zur Messung zweier Quellspannungen Circuit for measuring two source voltages |
| 11/17/2011 | US20110280597 Voltage detection device and image heating device |
| 11/17/2011 | US20110279812 Test apparatus, test method, and device interface |
| 11/17/2011 | US20110279280 Device for Verifying the Electrical Output of a Microcurrent Therapy Device |
| 11/17/2011 | US20110279108 Ac voltage measurement circuit |
| 11/17/2011 | US20110278921 Adaptive Power Bus |
| 11/17/2011 | DE19950137B4 Spannungssprung-Erfassungsvorrichtung Voltage step-detecting device |
| 11/17/2011 | DE102010013322B4 Detektionsschaltung und Verfahren zum Betreiben einer Detektionsschaltung Detection circuit and method of operating a detection circuit |
| 11/16/2011 | EP2386907A1 Voltage detection device and image heating device |
| 11/16/2011 | CN202043164U Mobile phone with function of test pencil |
| 11/16/2011 | CN202042949U Electrified displaying and temperature monitoring device for ring main unit and junction box |
| 11/16/2011 | CN202042904U Automatic on-line tracking and monitoring device for capacitance and current of power grid |
| 11/16/2011 | CN202042890U Current detection circuit applicable to overcurrent protection |
| 11/16/2011 | CN202042351U Capacitor voltage transformer component system with transient overvoltage monitoring unit |
| 11/16/2011 | CN202041599U Fault indicator for line arrester with gaps |
| 11/16/2011 | CN202041580U Digital electricity meter device based on electrical link bus |
| 11/16/2011 | CN202041579U DC (Direct Current) electric energy metering device |
| 11/16/2011 | CN202041578U Stray current sensor with automatic calibration function |
| 11/16/2011 | CN202041577U Current sampling circuit of servo motor |
| 11/16/2011 | CN202041576U Wireless DC high-voltage digital microammeter |
| 11/16/2011 | CN202041575U Condition monitoring system for zinc oxide lightning arrester |
| 11/16/2011 | CN202041574U Electric detector capable of realizing wireless energy supplying and wireless electric signal transmission |
| 11/16/2011 | CN202041573U Pulse current sensor |
| 11/16/2011 | CN202041572U Off-line detector for current of high-voltage direct current switch oscillation loop |
| 11/16/2011 | CN202041571U Online high-voltage direct-current switch oscillation circuit current detection device based on GPRS (general pack radio service) |
| 11/16/2011 | CN202041570U Step following detecting device |
| 11/16/2011 | CN102243287A Method for monitoring multipoint grounding failure of magnetic suspension stator coil |
| 11/16/2011 | CN102243286A Apparatus for detecting and displaying grounding state of equipment or socket |
| 11/16/2011 | CN102243282A Direct current thread break detection device of fully automatic gold thread bonder |
| 11/16/2011 | CN102243279A Apparatus for monitoring fault current in power system |
| 11/16/2011 | CN102243266A Voltage detection device and image heating device |
| 11/16/2011 | CN102243265A Current detector and method of manufacturing same |
| 11/16/2011 | CN102243264A Measurement device with an electric voltage divider |