| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 03/01/2012 | DE102010040031A1 Electronic circuit for use in circuit arrangement for monitoring cell voltage of battery-energy storage, comprises galvanic separating element having input stage and output stage |
| 03/01/2012 | DE102010039820A1 Leistungsschalter mit Rogowski-Stromwandlern zum Messen des Stroms in den Leitern des Leistungsschalters Circuit breaker with Rogowski current transducers for measuring the current in the conductors of the circuit breaker |
| 03/01/2012 | DE102010036211A1 Method for detecting e.g. interrupted or short-circuited two-wire line utilized to connect upstream and downstream switches of current distribution system, involves executing preset error action during erroneous current or voltage level |
| 03/01/2012 | DE102010036209A1 Method for monitoring low voltage circuit breaker used in power distribution system, involves determining whether measurement signal is plausible based on lower resolution of secondary measurement signal by microcontroller |
| 03/01/2012 | DE102010036040A1 Device for measuring electric current in current guard of power-electronic arrangement for industrial truck, has current guard, circuit board and magnetic field sensor that are arranged based on surface mount device construction |
| 03/01/2012 | DE102010035485A1 Strommesswiderstand Current sense resistor |
| 02/29/2012 | EP2423694A1 Process for auto-testing a fully discharged battery, such as double-layer capacitor battery, and circuit for doing the same |
| 02/29/2012 | EP2422490A1 Non-invasive device for diagnosing operational defect(s) in at least one communication network |
| 02/29/2012 | CN202153240U 水泵自动流转装配线的自动电参数测试台 Automated assembly line automatic circulation pump electrical parameters of the test station |
| 02/29/2012 | CN202153237U Motor over-current detection circuit |
| 02/29/2012 | CN102364809A Random battery polarity access charger circuit |
| 02/29/2012 | CN102364533A Full monitoring type residual-current electrical fire monitoring detector |
| 02/29/2012 | CN102364351A Engineering machinery rotation brush performance test apparatus and method thereof |
| 02/29/2012 | CN102364345A Circuit arrangement with shunt resistor |
| 02/29/2012 | CN101950476B Multiway voltage signal monitoring device |
| 02/29/2012 | CN101750562B Non-PMU measure point dynamic process estimation method based on flow equation sensitiveness analysis |
| 02/29/2012 | CN101339209B Method for on-load detection in boosted circuit using impulse width |
| 02/28/2012 | US8125212 Rotating coherent electromagnetic emission instrumentation apparatus |
| 02/28/2012 | US8125210 Detector for calculating the depth of a buried conductor |
| 02/23/2012 | WO2012023754A1 Voltage detection assembly and battery module including same |
| 02/23/2012 | WO2012022377A1 Measurement input circuit of a measuring or protective device |
| 02/23/2012 | US20120044079 Measurment based voltage stability monitoring and control |
| 02/23/2012 | US20120043958 Electronic protection module |
| 02/23/2012 | US20120043957 Analog Input Module for a Programmable Logic Controller |
| 02/23/2012 | DE102011077281A1 Magnetfeldstromsensoren Magnetic current sensors |
| 02/22/2012 | EP2421110A1 Directional detection of an earth fault with a single sensor |
| 02/22/2012 | EP2420850A1 Current-sensing circuit and air-conditioning device provided therewith |
| 02/22/2012 | EP2419749A1 Method of diagnosing the failure of a photovoltaiic generator: |
| 02/22/2012 | CN202150982U 一种双通道互感型航标状态监控终端装置 A dual-channel mutual-type beacon status monitoring terminal device |
| 02/22/2012 | CN202150686U Electrified detection circuit used for forced blocking device |
| 02/22/2012 | CN202150684U 电磁铁电流过流检测保护电路 Solenoid current protection circuit overcurrent detection |
| 02/22/2012 | CN202149915U 一种电力系统失电报警器 A power system power failure alarm |
| 02/22/2012 | CN102361525A 发光二极管电路及其方法 Light-emitting diode circuit and method |
| 02/22/2012 | CN102361319A IGBT (Insulated Gate Bipolar Translator) short circuit protection detection circuit based on driving chip |
| 02/22/2012 | CN102360887A Electronic current mutual inductor measuring system based on IEC (International Electrotechnical Commission) 61850 |
| 02/22/2012 | CN102360065A Battery detection method and device |
| 02/22/2012 | CN102360049A Virtual zero point detector for magnetic modulators |
| 02/22/2012 | CN102360038A Multi-loop current type detection module |
| 02/22/2012 | CN102360037A Monitoring device for electric leakage of power supply and protection system for electric leakage of power supply |
| 02/22/2012 | CN102360036A Multi-channel current collecting and superposing device |
| 02/22/2012 | CN102360035A Method for realizing detected current on off-grid wind and light supplementary generation system |
| 02/22/2012 | CN101871813B 一种对带雪崩光电二极管输入光功率监控的方法及装置 A method with an avalanche photodiode input optical power monitoring and device |
| 02/22/2012 | CN101852825B 一种高压输电线路电晕电流的宽频在线测量系统 A high voltage transmission line corona current broadband line measurement system |
| 02/22/2012 | CN101806868B 绝缘、湿漏电流测试装置 Insulation, wet leakage current test device |
| 02/22/2012 | CN101793931B 高压变频器测试系统 High-voltage inverter test system |
| 02/22/2012 | CN101353237B 微电流检测电路、微电流切换电路 Micro-current detection circuit, micro-current switching circuit |
| 02/21/2012 | US8120421 Circuit structure free from test effect and testing method thereof |
| 02/21/2012 | US8120385 Reduction in kickback effect in comparators |
| 02/16/2012 | WO2012020473A1 Power conversion device |
| 02/16/2012 | WO2012019784A1 Current-sensing resistor |
| 02/16/2012 | DE102010034510A1 Schaltung zur Überwachung von in Reihe geschalteten Akkumulatorzellen Circuit for monitoring series-connected battery cells |
| 02/16/2012 | DE102010034265A1 Current exploring coil for current measurement in conductor, has coil winding made of conductive material, particularly conduit wire |
| 02/16/2012 | DE102010034102A1 Electrical installation device for monitoring electric circuit, has primary housing whose side wall is provided with aperture into which projection of secondary housing is inserted |
| 02/15/2012 | EP2103194B1 Lamp driver for operating a gas discharge lamp |
| 02/15/2012 | CN202145228U 高电压强电流动力电池的高速高精度采集装置 High voltage high current power battery high speed and precision acquisition device |
| 02/15/2012 | CN202145220U 一种过电压保护器的检测计数装置 An over-voltage protection device detection count |
| 02/15/2012 | CN202145219U 一种电火花检测装置 A wire electric discharge detection device |
| 02/15/2012 | CN202145218U 架空线路电流带电实时测量装置 Overhead line current live real-time measurement device |
| 02/15/2012 | CN102356326A Apparatus for measuring ground leakage current in ungrounded direct current power system, and method for same |
| 02/15/2012 | CN102354427A method and device for flexibly identifying residual current-type electrical fire on line |
| 02/15/2012 | CN102354249A Semiconductor integrated circuit apparatus |
| 02/15/2012 | CN102353908A Voltage acquisition system for battery pack |
| 02/15/2012 | CN102353859A Multi-path multifunctional power communication detection equipment and detection method for same |
| 02/15/2012 | CN102353858A Intelligent tester for semi-hardware-in-large-loop simulation test system of cabinet air conditioner |
| 02/15/2012 | CN102353833A Annular cavity all-fiber current sensor capability of eliminating temperature sensitivity |
| 02/15/2012 | CN102353832A Multi-way direct current voltage detection system of cascade inverter |
| 02/15/2012 | CN102353831A Geomagnetic storm detection and early warning system for protecting safe running of power grid |
| 02/15/2012 | CN102353830A Peak voltage digital display meter |
| 02/15/2012 | CN102353829A Warning system for high-tension wire derrick |
| 02/15/2012 | CN102353828A Combination instrument for measuring single-phase voltage and single-phase current as well as measuring method thereof |
| 02/15/2012 | CN102353827A Generation method of display module working voltage 2D code and generation system thereof |
| 02/15/2012 | CN102353826A Circuit for acquiring tiny voltage variation on high-direct-current-voltage bus |
| 02/15/2012 | CN102353825A Resistor sampling isolation current detection circuit |
| 02/15/2012 | CN101871960B 一种变压器的试验方法 Test Method for Transformer |
| 02/15/2012 | CN101592687B 逆变器输出输入电压高速检测装置 Output of the input voltage of the inverter speed detecting means |
| 02/15/2012 | CN101515001B 电场感应式高电压智能电压测量仪表 High voltage electric field induced intelligent voltage measuring instruments |
| 02/14/2012 | US8117469 Automatically determining operating parameters of a power management device |
| 02/14/2012 | US8116999 Control of delivery of current through one or more discharge lamps |
| 02/14/2012 | US8115471 Methods for measurement and characterization of interferometric modulators |
| 02/10/2012 | DE202012000508U1 Vorrichtung zur Erfassung von natürlichen und künstlich erzeugten elektrischen Potentialen und elektrischen Feldern im Frequenz- und Zeitbereich ohne Bodenkontakt für alle Raumrichtungen in der Luft oberhalb der Erdoberfläche Device for detecting natural and artificially generated electrical potentials and electric fields in the frequency and time domain without ground contact for all directions in the air above the earth's surface |
| 02/10/2012 | CA2747468A1 Diagnostics using sub-metering device |
| 02/09/2012 | WO2012018488A1 Method and system of measuring current in an electric meter |
| 02/09/2012 | WO2012017638A1 Distributed power supply system and control method thereof |
| 02/09/2012 | US20120033685 Serial link voltage margin determination in mission mode |
| 02/09/2012 | US20120032667 Current sensor structure |
| 02/09/2012 | US20120032666 Method and system of measuring current in an electric meter |
| 02/09/2012 | DE102011080348A1 Aufbau für einen Stromsensor Structure for a current sensor |
| 02/09/2012 | DE102010038894A1 Messsystem Measuring system |
| 02/09/2012 | DE102010038851A1 Electrical detector for detecting high voltages in high voltage transmission system of electrical operable vehicle e.g. hybrid electric car, has potential divider including high and low impedance resistor portions on substrate |
| 02/09/2012 | DE102010036847A1 Verfahren und Vorrichtung zur Fremdstromdetektion Method and apparatus for detecting foreign power |
| 02/09/2012 | DE102010033813A1 Anschluss- und Messvorrichtung für den Anschluss einer Stromversorgung an eine Leiterplatte Connection and measuring device for connecting a power supply to a printed circuit board |
| 02/09/2012 | CA2804010A1 Method and system of measuring current in an electric meter |
| 02/08/2012 | EP2414852A2 Statistical formal activity analysis with consideration of temporal and spatial correlations |
| 02/08/2012 | EP2414780A1 Monitoring a microgenerator circuit of a rotary encoder device |
| 02/08/2012 | CN202142913U 一种超级电容组储能巡检控制系统 A super capacitor energy storage Patrol Group Control System |
| 02/08/2012 | CN202142836U 过流信号检测电路 Overcurrent signal detection circuit |
| 02/08/2012 | CN202141796U 带电显示装置的在线监视装置及在线验电装置 Live shows online monitoring device and online means electrical inspection device |
| 02/08/2012 | CN202141758U 数字电压表 Digital voltmeter |
| 02/08/2012 | CN202141757U 一种周期性大电流的智能型测量仪表 A cyclical high current intelligent measurement instruments |
| 02/08/2012 | CN202141756U Voltmeter used for measuring generator set |