Patents
Sitemap › G01 - Measuring; Testing › G01R - Measuring electric variables; Measuring magnetic variables › 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)
03/2012
03/21/2012CN202171613U 一种转换开关的电压检测装置 A voltage detecting means to convert the switch
03/21/2012CN202171612U Power failure fault alarm of microwave therapeutic apparatus
03/21/2012CN202171611U 一种用于动力充电器的辅助报警系统 A power charger for auxiliary alarm system
03/21/2012CN202171610U 一种微弱电流检测感应器 One kind of weak current detection sensor
03/21/2012CN202171609U 一种电流感应探测电路 A current sensor detection circuit
03/21/2012CN202171470U 数字型涡流信号监测保护表 Digital Vortex signal monitoring and protection table
03/21/2012CN202168486U 一种带有鞋头可拆卸式照明灯及电压报警的劳保鞋 A toe removable voltage alarm lights and safety shoes with
03/21/2012CN102386023A Circuit-breaker with rogowski current transformers for measuring the current in the conductors of the circuit-breaker
03/21/2012CN102385000A Zero crossing detection circuit of electric meter system
03/21/2012CN102384999A High-speed transmission event detection method and circuit
03/21/2012CN102384998A Lightning-stroke sensor system adopting Hall switch element
03/21/2012CN102384997A Lightning-striking sensor system adopting Hall linear element
03/21/2012CN102384937A High-voltage wire detector for engines
03/21/2012CN102384715A Piezoelectric current sensor
03/21/2012CN102380677A Wire electric discharge machine capable of detecting machining state
03/21/2012CN101672866B Comprehensive detecting and marking system of Faraday magneto-optical effect current mutual inductor
03/21/2012CN101487870B Apparatus and systems for common mode voltage-based AC fault detection, verification and/or identification
03/21/2012CN101317097B Comparator circuit
03/21/2012CN101194171B Device for collecting and processing multiple measure value in HVDC power transmission device
03/20/2012US8140283 Independent frequency measurement and tracking
03/15/2012WO2012032428A1 Method and cell monitoring unit for monitoring a rechargeable battery
03/15/2012US20120062249 Distributed Electricity Metering System
03/15/2012US20120062212 Zero Bias Power Detector
03/15/2012DE102011000661A1 Stromsensor Current sensor
03/14/2012EP1247304B1 Shunt resistance device for monitoring battery state of charge
03/14/2012CN202168028U 老年代步车的过流检测电路 Elderly scooter overcurrent detection circuit
03/14/2012CN202167825U 一种三相过压检测保护装置 A three-phase overvoltage protection device detection
03/14/2012CN202166729U 嵌入式太阳能光伏组件状态实时监测模块 Solar photovoltaic modules embedded real-time status monitoring module
03/14/2012CN202166699U 一种电力监测装置 A power monitoring device
03/14/2012CN202166691U 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 monolithic fuel cell stack voltage inspection system
03/14/2012CN202166690U 一种带大屏幕的地铁杂散电流监控装置 Stray current monitoring device with a large screen
03/14/2012CN202166689U 一种数字潜油电泵电流记录仪 A digital submersible pump current loggers
03/14/2012CN202166688U Overvoltage acquisition circuit
03/14/2012CN202166687U Overcurrent detecting circuit
03/14/2012CN202166686U 一种测试设备向负载供电的指示电路 A test device for powering the load indicator circuit
03/14/2012CN202166685U 一种方便卸换指示灯的带电指示器 A convenient charging indicator lights change unloading
03/14/2012CN202166684U 继电保护出口测试仪 Relay outlet tester
03/14/2012CN202166683U 矿用三相电流传感器 Mine three-phase current sensor
03/14/2012CN202166673U 带语音报警功能的实验电源箱 Experimental power box with voice alarm function
03/14/2012CN102377416A Power supply resetting circuit
03/14/2012CN102377232A Emergency power supply circuit
03/14/2012CN102376991A Battery pack for practical low-power mode current detection and method of detecting excessive current
03/14/2012CN102376412A Coil node voltage outputs for superconducting magnets
03/14/2012CN102375465A Linear voltage regulator and current sensing circuit thereof
03/14/2012CN102375129A Power supply testing circuit
03/14/2012CN102375108A Reliability analysis method for transformer neutral current suppression device
03/14/2012CN102375107A Method and device for detecting fault electric arc based on time-frequency comprehensive analysis
03/14/2012CN102375089A Data acquisition system
03/14/2012CN102375088A Data collection system
03/14/2012CN102375087A Low-voltage detection circuit for logic device
03/14/2012CN102375086A High-voltage live displaying and testing device
03/14/2012CN102375085A Method for monitoring sudden rising or falling of voltage and monitoring device applying method
03/14/2012CN102375084A Voltage stabilizing diode detection circuit
03/14/2012CN101893656B Voltage detection circuit and voltage detection and correction method thereof
03/14/2012CN101839941B Signal sensing amplifier
03/14/2012CN101614761B Current-sensing circuit
03/13/2012US8134371 Signal generating circuit for detecting ground status
03/13/2012CA2527681C Current sense circuit in a line powered network element
03/08/2012WO2012030773A1 Solar array recombiner box with wireless monitoring capability
03/08/2012WO2012029437A1 Current sensor
03/08/2012WO2012029231A1 Voltage detection circuit and battery system equipped with same, electric vehicle, moving body, electric power storage device, and power supply device
03/08/2012WO2012028304A1 Process for auto-testing a fully discharged battery, such as double-layer capacitor battery, and circuit for doing the same
03/08/2012US20120056645 Analog to Digital Acquisition Eliminating Uncertainty of Level Test in High Noise Environments
03/08/2012US20120056614 Multi-State Indicator
03/08/2012US20120056611 Connection detection circuit
03/08/2012DE102011112860A1 Device for testing e.g. insulated gate bipolar transistor, in power circuit, has control circuit changing threshold value of comparing circuit and/or detection time point for detecting characteristic value
03/08/2012DE102011053065A1 Method for measuring alternating current (AC), involves intending correction value from totality of measured instantaneous values of AC fluent for correcting instantaneous values of individual AC and to determine corrected values of AC
03/08/2012DE102010044440A1 Method for function control of uninterruptible power supply unit for computer, involves supplying main voltage parallel to components of unit, and controlling function of unit, without connecting components with load at output side
03/07/2012CN202159973U 一种电压检测保护电路 A voltage-detection circuit protection
03/07/2012CN202159601U Unlocking key used for forced locking device
03/07/2012CN202159475U 一种基于dsp控制的数据采集存储通讯液晶显示装置 A data acquisition and storage dsp-based communication control liquid crystal display device
03/07/2012CN202159397U 电动机动力电缆防盗割监测装置 Motor power cables cut anti-theft monitoring device
03/07/2012CN202159107U 一种电热水器内外漏电多功能测控装置 An electric heater inside and outside the multi-function monitoring device leakage
03/07/2012CN202159104U 金属氧化物避雷器在线检测系统 MOA-line detection system
03/07/2012CN202159094U 手持式高压峰值脉冲测试仪 Handheld peak pulse high voltage tester
03/07/2012CN202159093U 输电线路故障行波电流全波采集装置 Transmission line fault line wave current full-wave acquisition device
03/07/2012CN202159092U 反应釜电机报警装置 Reactor Motor alarm device
03/07/2012CN202159091U 安全电流预警装置 Current safety warning device
03/07/2012CN202159090U 一种有相序颜色指示的带电指示器 A phase sequence indicator has charged the color indicated
03/07/2012CN202159089U 电缆在线监测仪交直流判断电路 Cable line monitor AC and DC circuit judge
03/07/2012CN202159088U 输电线路避雷器远程在线监测系统 Transmission line arrester remote online monitoring system
03/07/2012CN202159087U 局部放电试验电容分压式测量阻抗 Partial discharge test capacitive voltage divider impedance measurement
03/07/2012CN202159086U 双模式220v用户侧电网相量测量及发送装置 Dual-mode user side 220v power phasor measurement and transmission means
03/07/2012CN202159085U 汽车直流无刷电动燃油泵控制器中的电源电压检测电路 Brushless DC electric fuel pump controller automotive power supply voltage detection circuit
03/07/2012CN102368679A Peak detection circuit used for oscillator stabilization output
03/07/2012CN102368085A Combined detection device for electrical variables
03/07/2012CN101788601B Signal detector and detection method thereof
03/07/2012CN101551430B Method and apparatus for measuring capacitor leakage current
03/06/2012US8130735 Method and system for a software defined power amplifier for multi-band, multi-standard applications
03/06/2012US8130032 Systems and methods for high-sensitivity detection of input bias current
03/06/2012US8129980 AC electric quantity measuring device
03/06/2012DE202011109734U1 Widerstand, insbesondere Strommesswiderstand Resistance, in particular a current sensing resistor
03/02/2012DE202011052532U1 Schaltung zum Messen von Spannungen Circuit for measuring voltages
03/01/2012WO2012027147A2 Active and passive monitoring system for installed photovoltaic strings, substrings, and modules
03/01/2012WO2012026064A1 Detection circuit, battery module, battery system, electrically-driven vehicle, moving body, power storage device, and power supply device
03/01/2012WO2012003426A3 Apparatus for calibrated non-invasive measurement of electrical current
03/01/2012US20120053872 System and method for determining humidity based on determination of an offset voltage shift
03/01/2012US20120049837 Method And Arrangement To Determine The Cell Capacitor Voltage Of A Cell Of A Multi-Cell Power Converter
03/01/2012US20120048327 Systems and Methods of Preparation of Photovoltaic Films and Devices
03/01/2012DE102011081474A1 Dünnwafer-Stromsensoren Thin wafer flow sensors
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