Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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10/26/2010 | US7821303 Comparator and A/D converter |
10/26/2010 | US7821271 Method for testing a communication connection |
10/21/2010 | WO2010119619A1 Current-sensing circuit and air-conditioning device provided therewith |
10/21/2010 | WO2010119332A1 Apparatus and methods thereof for power consumption measurement at circuit breaker points |
10/21/2010 | WO2010118952A1 Method of diagnosing the failure of a photovoltaiic generator: |
10/21/2010 | US20100268496 Sensor for use in automation technology and method for transferring configuration data from an external computer to a sensor |
10/20/2010 | EP2241897A2 DC voltage threshold detector |
10/20/2010 | CN201611386U 一种多通道电池电压采样装置 A multi-channel battery voltage sampling device |
10/20/2010 | CN201611383U 发电机轴电压轴电流在线检测装置 Generator shaft axis current line voltage detection device |
10/20/2010 | CN201611381U 变频器驱动多电机系统中的电机过均载报警器 Inverter-driven multi-motor system are contained alarm Motor |
10/20/2010 | CN201611369U 一种氧化锌避雷器直流特性的测试装置 An MOA DC characteristics of the test device |
10/20/2010 | CN201611365U 一种小信号峰压检测电路 A small-signal peak voltage detection circuit |
10/20/2010 | CN201611364U 1000kV特高压交流非接触多通道测距式验电器 1000kV UHV AC non-contact multi-channel ranging electroscope |
10/20/2010 | CN201611363U 双通道油量表放大器试验器 Dual fuel gauge amplifier tester |
10/20/2010 | CN201611362U 单比较器半桥电压过零检测电路 Single half-bridge voltage comparator zero-crossing detection circuit |
10/20/2010 | CN201611361U 过电流检测电路 Overcurrent detection circuit |
10/20/2010 | CN201611360U 一种感应式有电告警器 An inductive electric alarm device |
10/20/2010 | CN201611359U 一种信号检测仪 A signal detector |
10/20/2010 | CN201611358U 基于单位功率因数的有源电力滤波器谐波电流检测系统 Active power filter harmonic current detection system based on unity power factor |
10/20/2010 | CN101865987A Capacitance sensor calibration system for measuring very fast transient overvoltage (VFTO) |
10/20/2010 | CN101865979A Circuit for detecting voltage of batteries |
10/20/2010 | CN101865971A Method and structure for testing semiconductor field effect transistor |
10/20/2010 | CN101865963A New quick detection method for relay protective device |
10/20/2010 | CN101865958A System and method for testing power supply adapter |
10/20/2010 | CN101865947A AC input detection circuit and detection method of power supply of flat television |
10/20/2010 | CN101865946A Alternating current parameter testing system and method of programmable digital integrated circuit |
10/20/2010 | CN101865945A Mechanical scanning type method and device for detecting voltage of serial battery |
10/20/2010 | CN101865944A Method of health status diagnosis, early warning and fault location for protective layer of buried metal pipeline |
10/20/2010 | CN101865943A Method and structure for detecting current of on-chip metal oxide semiconductor field effect transistor (MOSFET) and switching power supply |
10/20/2010 | CN101865942A Voltage itinerant measurement circuit of low-power methanol fuel cell |
10/20/2010 | CN101865941A Voltage detection circuit |
10/20/2010 | CN101865715A Method for oil mass signal synchronous compensation of on-vehicle positioning terminal |
10/20/2010 | CN101377540B Battery test system and method |
10/19/2010 | US7816903 Single-phase 3-wire power line connection determination apparatus and connection determination method |
10/14/2010 | WO2010115681A1 Current monitor for sensing the current in a current path and corresponding control device |
10/14/2010 | US20100259255 Assembling structure of current detection apparatus |
10/14/2010 | US20100259246 Split shape closed loop current transducer |
10/14/2010 | US20100258682 System and method for interfacing wayside signal device with vehicle control system |
10/14/2010 | DE202010010152U1 Strommessmodul Current measuring module |
10/14/2010 | DE19904060B4 Einrichtung mit einer Spannungsüberwachungsschaltung und Verfahren zum Überwachen der Spannung einer wiederaufladbaren Batterie Means having a voltage monitoring circuit and method for monitoring the voltage of a rechargeable battery |
10/14/2010 | CA2757765A1 Non-intrusive electric alternating current sensor |
10/13/2010 | EP2239591A1 Current monitor for sensing the current in a current path and corresponding control device |
10/13/2010 | EP2239588A1 Voltage surveillance circuit |
10/13/2010 | EP2238464A1 Analog input module for automatism equipment |
10/13/2010 | EP2156203B1 Method and device to predict a state of a power system in the time domain |
10/13/2010 | CN201608631U 一种用于高压变频器的功率单元直流电压监控系统 Power unit DC voltage monitoring system for high-voltage inverter |
10/13/2010 | CN201608507U 智能型恶性负载识别器 Intelligent load identifier of malignant |
10/13/2010 | CN201607680U 电压侦测电路、电源供应器和计算机装置 Voltage detection circuit, power supplies and computer equipment |
10/13/2010 | CN201607633U 一种超低功耗红外线感应垃圾桶控制器 An ultra-low-power infrared sensor trash Controller |
10/13/2010 | CN201607522U 电压法干电池电量检测装置 Battery charge voltage method detection device |
10/13/2010 | CN201607508U 带通讯功能的线路测试仪 Line tester with communication function |
10/13/2010 | CN201607501U 避雷器泄漏电流远程在线监测装置 Arrester leakage current remote online monitoring device |
10/13/2010 | CN201607484U 家庭用电监控装置 Household electricity monitoring device |
10/13/2010 | CN201607483U 具远端环境侦控电度表 Scouting meter with distal environment |
10/13/2010 | CN201607482U 一种高压电容器组支路电流监测装置 A high voltage capacitor bank branch current monitoring device |
10/13/2010 | CN201607481U 避雷器雷击测量装置 Measuring device of lightning arrester |
10/13/2010 | CN201607480U 电源信号测试装置 Power signal testing device |
10/13/2010 | CN201607479U 一种电网过电压无接触在线监测与识别一体化装置 One kind of over-voltage grid line monitoring and identification contactless integrated device |
10/13/2010 | CN201607478U 滤油器的流动带电测试装置 Charged flow oil filter testing device |
10/13/2010 | CN201607477U 800kV特高压直流非接触多通道测距式验电器 800kV UHVDC non-contact multi-channel ranging electroscope |
10/13/2010 | CN201607476U 高位刹车灯组件电流检测电路 CHMSL assembly current detection circuit |
10/13/2010 | CN201606058U 一种微球聚焦测井仪电压测量与电流测量的电路 A micro ball logging tool focusing voltage measurement and current measurement circuit |
10/13/2010 | CN201606056U 一种微球聚焦测井仪电压与电流测量线路的厚膜电路 A micro ball logging tool focusing voltage and current measurement circuit Houmodianlu |
10/13/2010 | CN101860080A Distribution network metering and protection integral device suspended at high-voltage side |
10/13/2010 | CN101860017A Control device for high-voltage and high-power power electronic converter system |
10/13/2010 | CN101860013A 马达保护装置 Motor protection devices |
10/13/2010 | CN101860001A Switch power supply current detection circuit |
10/13/2010 | CN101859482A Broadband signal transmission system of high-potential environment based on wireless transmission |
10/13/2010 | CN101859466A Anti-theft device for storage battery |
10/13/2010 | CN101859114A Control system for domestic appliance |
10/13/2010 | CN101858946A Method for testing single crystal boundary impact aging characteristic of zinc oxide pressure-sensitive resistor |
10/13/2010 | CN101858937A Anti-inadvertent touch type electricity-testing device of high voltage switch cabinet |
10/13/2010 | CN101858935A Radical anti-electricity stealing and reactive management monitoring device |
10/13/2010 | CN101856232A Method for identifying abnormal measurement in sole pressure distribution measurement automatically |
10/13/2010 | CN101382573B Induction voltage testing method |
10/13/2010 | CN101299315B Test system for display panel |
10/13/2010 | CN101290332B Voltage up-down detection circuit and method |
10/13/2010 | CN101278452B Method and system for through fault detection in electrical devices |
10/13/2010 | CN101082648B Method and apparatus for testing flying vehicle electric systemic |
10/12/2010 | US7813885 Method and apparatus for measurement of AC voltages in an HVAC system |
10/12/2010 | US7813818 Medium voltage integrated switchgear |
10/12/2010 | US7812877 I/F conversion device and photo-detection device |
10/12/2010 | US7812591 High-speed signal detect for serial interface |
10/12/2010 | US7812590 Method for detection of the presence of a load and drive circuit |
10/07/2010 | WO2010112131A1 Monitoring a microgenerator circuit of a rotary encoder device |
10/07/2010 | WO2010065598A3 Primary-side based control of secondary-side current for a transformer |
10/07/2010 | US20100257492 On-chip leakage current modeling and measurement circuit |
10/07/2010 | US20100256934 Reporting circuit breaker and system |
10/07/2010 | US20100253349 Parametric amplifier device |
10/07/2010 | DE202010009630U1 Überwachungseinrichtung zur unterbrechungsfreien Stromversorgung Monitoring device for uninterruptible power supply |
10/06/2010 | EP2237054A1 Method of detecting repetitive frequency of measured signal, sampling apparatus using the same, and waveform observation system |
10/06/2010 | EP2237053A1 Control method for a three-phase machine with a corresponding three-phase alternating current controller |
10/06/2010 | EP1652160B1 Process device with loop override |
10/06/2010 | CN201601772U 一种具有漏电检测功能的电视机 Having a leakage detection function TV |
10/06/2010 | CN201600761U 剩余电流式电气火灾监控探测器 Residual current electric fire detectors |
10/06/2010 | CN201600410U 高位刹车灯组件电流和led亮度检测电路 CHMSL assembly current detection circuit and led brightness |
10/06/2010 | CN201600409U 风电测控装置 Wind power and control devices |
10/06/2010 | CN201600408U 电气火灾监控装置 Electrical fire monitoring device |
10/06/2010 | CN201600407U 一种改进型直流监控装置 An improved current monitoring device |
10/06/2010 | CN201600406U 高压声光验电器 High-pressure sound and light electroscope |