G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof

Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850)
12/2011
12/28/2011	CN102298082A 防窃电电能表 Tamper Meter
12/28/2011	CN101825655B 矿热炉负荷自动检测记录仪 Automatic detection of submerged arc furnace load logger
12/28/2011	CN101750545B 电推进系统的电磁兼容性试验方法 Electromagnetic compatibility test methods for electric propulsion system
12/28/2011	CN101738530B 一种变频洗衣机电解电流检测电路 One kind of frequency washing machine electrolysis current detection circuit
12/28/2011	CN101706524B 数据采集装置及其数据采集方法 Device and data collection methods of data collection
12/28/2011	CN101696987B 用于检测带高频引弧tig焊电压的装置 Tig welding voltage detection with frequency arc means for
12/28/2011	CN101388185B 源极驱动器及其压降检测器 Its source driver drop detector
12/28/2011	CN101201388B 片内电流测量方法和半导体集成电路 Chip current measurement methods and semiconductor integrated circuit
12/27/2011	DE202011102000U1 Testgerät für Steuergeräte einer Sitzbelegungsmatte in Fahrzeugen Test device for control devices of a seat occupancy mat in vehicles
12/22/2011	WO2011157047A1 Capacitive sensor calibration system for measuring fast transient over-voltages
12/22/2011	US20110309830 Current detecting and indicating device
12/22/2011	US20110309822 Sensitivity sensor system
12/22/2011	US20110309721 Small Scale Smart Material Actuator and Energy Harvesting Apparatus
12/22/2011	DE102010030317A1 Schaltungsanordnung mit Shuntwiderstand Circuit arrangement with shunt resistor
12/21/2011	EP2372376A9 Method and arrangement for estimating angular frequency
12/21/2011	CN202085382U Street lamp monitoring system capable of realizing networking test for service life of lamp tube
12/21/2011	CN202085097U 光伏汇流箱用智能控制器 PV combiner box with intelligent controller
12/21/2011	CN202083803U 配电安全侦测模块 Distribution Safety detection module
12/21/2011	CN202083764U 无线电气检测模块 Wireless electrical testing module
12/21/2011	CN202083745U 变频器功能检测装置 Inverter function detection device
12/21/2011	CN202083741U 超声波脉冲防除垢设备的数显电压表 Anti-cleaning equipment ultrasonic pulse number of voltmeter
12/21/2011	CN202083740U Isolating voltage sensor
12/21/2011	CN202083739U 直流无刷电动燃油泵控制器中反电动势采集电压检测电路 DC brushless electric fuel pump controller back-EMF voltage detection circuit collection
12/21/2011	CN202083738U 一种过零检测电路 One kind of zero-crossing detection circuit
12/21/2011	CN202083737U 一种交流信号测量电路 An AC signal measurement circuit
12/21/2011	CN202083736U 超声波脉冲防除垢设备的监控单元 Monitoring unit cleaning equipment ultrasonic pulse anti-
12/21/2011	CN202083735U Graphite oven power supply protective circuit
12/21/2011	CN202083734U 一种在线检测绝缘瓷瓶漏电的装置 A porcelain insulator leakage line detection device
12/21/2011	CN202083733U 一种监测轴电流轴电压装置 A method of monitoring the shaft axis current-voltage device
12/21/2011	CN202083732U 一种具有电压监测功能的汽车仪表 Having a voltage monitoring function car dashboard
12/21/2011	CN102291018A 带有apfc电路的单相整流器及其交流输入电压幅值检测方法 Single-phase rectifier circuit with apfc its AC input voltage amplitude detection method
12/21/2011	CN102288932A 一种输电线路雷击故障波形精确测量方法 One kind of transmission line lightning fault waveform accurate measurement method
12/21/2011	CN102288919A 用于电池的电压测量系统及其方法 Voltage measurement system and method for battery
12/21/2011	CN102288916A 用于测量电源电压的方法和装置 Method and apparatus for measuring the supply voltage
12/21/2011	CN102288915A 干电池电量检测装置 Battery power detection device
12/21/2011	CN102288890A 一种芯片故障检测方法及装置 A chip fault detection method and device
12/21/2011	CN102288866A 一种输配电线路单相接地故障检测方法及检测设备 One kind of transmission and distribution lines of single-phase ground fault detection methods and testing equipment
12/21/2011	CN102288865A 一种输配电线路短路接地故障检测方法及检测设备 One kind of transmission and distribution lines shorted to ground fault detection methods and testing equipment
12/21/2011	CN102288854A 开关柜故障电流采集装置 Switchgear fault current collection device
12/21/2011	CN102288850A 氧化锌避雷器监测装置 MOA monitoring device
12/21/2011	CN102288848A 恒温晶体振荡器自动电流测试分析系统及方法 OCXO automatic current measurement and analysis system and method
12/21/2011	CN102288828A 数字高压多功能绝缘子检测设备 High voltage insulator multifunction digital testing equipment
12/21/2011	CN102288819A 一种基于fpga的电力谐波分析仪 An fpga based power harmonic analyzer
12/21/2011	CN102288815A 一种用于巨磁电阻效应电流传感器的温度补偿器 A giant magnetoresistance effect current sensor temperature compensator
12/21/2011	CN102288814A 一种电压跌落的实时检测方法 Real-time detection of a voltage drop
12/21/2011	CN102288813A 一种可检测正负电压的燃料电池堆单片电压巡检系统 A detectable positive and negative voltage of the fuel cell stack voltage chip inspection system
12/21/2011	CN102288812A 一种具有实时测试技术的静电动态电位智能测试装置 Static dynamic potential of intelligent test device having a real-time testing technology
12/21/2011	CN102288811A 信号电平交点检测器电路及其集成电路 Signal level crossing detector circuit and IC
12/21/2011	CN102288810A 电压检测电路 Voltage detection circuit
12/21/2011	CN102288809A 一种用于测量发电机组的电压表 A system for measuring turbine voltmeter
12/21/2011	CN102288808A 一种led过电流检测电路及一种led驱动控制电路 One kind of led overcurrent detection circuit and one kind of led driver control circuit
12/21/2011	CN102288807A 一种测量电网电压闪变的方法 A grid voltage flicker measurement method
12/21/2011	CN102288806A 脉冲高电压峰值及时间参量测量装置及测量方法 Pulsed high voltage spikes and time parameters of the measuring device and measurement method
12/21/2011	CN102288805A 潜油电泵井电能计量装置 Well submersible pump energy metering device
12/21/2011	CN102288804A 一种基于正交变换的避雷器阻性电流计算方法 An arrester resistive current calculation method based on orthogonal transformation
12/21/2011	CN102288803A 一种电能质量暂态扰动实时检测方法 One kind of real-time power quality transient disturbance detection method
12/21/2011	CN102288802A 测量高压ac信号的方法以及电路 The method of measuring high voltage ac signal and a circuit
12/21/2011	CN102288801A 接地故障电流的测量 Measurement of the ground fault current
12/21/2011	CN102288800A 可同时测量电压与电流的勾表及其方法 Simultaneous measurement of voltage and current meter and hook method
12/21/2011	CN101799488B 一种标定电压的产生装置和方法 An apparatus and method for generating calibration voltage
12/21/2011	CN101791986B 一种在线监测电气化铁道钢轨传播常数的方法 A method of monitoring the electrified railway line rail propagation constant
12/21/2011	CN101697005B 一种燃料电池电堆氢氧串气快速检测方法 A fuel cell stack string hydrogen gas rapid detection method
12/20/2011	US8081015 Differential amplifier with a feedback unit
12/20/2011	US8081014 Apparatus for detecting presence or absence of oscillation of clock signal
12/15/2011	WO2011156403A1 Systems and methods for power line event zone identification
12/15/2011	WO2011153581A1 Method for detection of leakage or fault currents from equipment in an electrical power system
12/15/2011	US20110304327 Magnetic field current sensors
12/15/2011	US20110304317 Virtual semiconductor nanowire, and methods of using same
12/15/2011	US20110304316 Feed device for the automatic shifting of objects and method for detecting a movement of a feed unit in a feed device
12/15/2011	US20110304314 Position-Finding Apparatus
12/15/2011	US20110304313 Method and system for patch panel port identification and verification
12/15/2011	US20110304205 Power outlet apparatus with multiple sockets detection, and detection method thereof
12/15/2011	DE102011013795A1 Vorrichtung zum Erfassen von Stromwerten An apparatus for detecting current values
12/15/2011	DE102010030133A1 Schaltungsanordnung zur Bestimmung einer Spannungsschwankung von Leiterpotentialen in einem ungeerdeten elektrischen Netz Circuitry for determining a voltage fluctuation of circuit potentials in an ungrounded electrical network
12/15/2011	DE102010030129A1 Schaltungsanordnung zur Bestimmung einer Spannungsschwankung von Leiterpotentialen in einem ungeerdeten elektrischen Netz Circuitry for determining a voltage fluctuation of circuit potentials in an ungrounded electrical network
12/15/2011	DE102010030083A1 Schaltungsanordnung zur Bestimmung einer Spannungsschwankung von Leiterpotentialen in einem ungeerdeten elektrischen Netz Circuitry for determining a voltage fluctuation of circuit potentials in an ungrounded electrical network
12/15/2011	DE102010030079A1 Verfahren und Vorrichtung zur Überwachung des Isolationswiderstandes in einem ungeerdeten elektrischen Netz Method and apparatus for monitoring the insulation resistance in an ungrounded electrical network
12/15/2011	DE102010023810A1 Energy measuring and controlling method for local area network, involves storing measured data in memory, and attaching measuring devices i.e. energy meters, with each other, and monitoring apparatuses e.g. inverters,
12/15/2011	CA2800584A1 Method for detection of leakage or fault currents from equipment in an electrical power system
12/14/2011	EP2395362A1 Distributed power supply system
12/14/2011	EP2394179A1 Current measuring shunt
12/14/2011	EP2291665B1 Current sensor array for measuring currents in a primary conductor
12/14/2011	CN202077091U 一种移动终端的预写电压装置 Pre-write voltage of a mobile terminal apparatus
12/14/2011	CN202076781U 带温度监测的保护器 With temperature monitoring protection
12/14/2011	CN202076775U 电磁式剩余电流保护器 Electromagnetic residual current protection
12/14/2011	CN202076575U 一种智能保护型插座/开关 An intelligent protection socket / switch
12/14/2011	CN202075399U 一种电池组电压模拟设备 A battery pack voltage analog devices
12/14/2011	CN202075350U 工业安全栅、隔离器产品老化监测系统 Industrial safety barrier isolator product aging monitoring systems
12/14/2011	CN202075342U 三相soc智能电表 Three-phase smart meters soc
12/14/2011	CN202075339U 一种过零检测电路 One kind of zero-crossing detection circuit
12/14/2011	CN202075338U 一种超低功耗交流电过零检测电路 An ultra-low-power AC zero-crossing detection circuit
12/14/2011	CN202075337U 避雷器在线监测器 Arrester line monitor
12/14/2011	CN202075336U 近电预警器 Near electric warning device
12/14/2011	CN202075335U 验电装置 Examine the electrical device
12/14/2011	CN202075334U 峰值电压数显表 Peak voltage DRO
12/14/2011	CN202075333U 浪涌电流测试仪 Surge Current Tester
12/14/2011	CN202075332U 一种电动球阀工作电流的检测装置 An electric valve operating current detection device
12/14/2011	CN202075331U 一种电流检测电路 A current detection circuit
12/14/2011	CN202075330U 基于等电位大电流屏蔽的电流测量装置 Based on other potential large current shielding current measurement device
12/14/2011	CN202075329U 一种连续通断测试系统 A continuous-off test system

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