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)
06/2012
06/28/2012DE102010056235A1 Verfahren zum Testen einer Prüfeinrichtung A method for testing a testing device
06/28/2012DE102010055626A1 Circuit arrangement for detecting battery voltage produced by battery for e.g. starting engine of motor car, has voltage sensor detecting voltage on resistors that lie between end of series connections and electrical connection part
06/27/2012EP2467937A1 Protection circuit for power amplifier
06/27/2012CN202285028U 一种过零检测电路 One kind of zero-crossing detection circuit
06/27/2012CN202285027U 输电线路验电器 Transmission line electroscope
06/27/2012CN202285026U 一种电压跌落发生器 A voltage-drop generator
06/27/2012CN102523650A Light-emitting diode (LED) current detection and control circuit
06/27/2012CN102523272A Electric energy measuring, controlling and protecting system
06/27/2012CN102521107A Mobile terminal and power consumption information display method and device thereof
06/27/2012CN102520351A Methods and systems for diagnosing faults for rotors of electric motors
06/27/2012CN102520300A Circuit short-circuit fault detection method and system
06/27/2012CN102520277A Method and system for detecting supercapacitor of variable pitch system of wind driven generator
06/27/2012CN102520266A Electricity-stealing prevention method of distribution transformer and system thereof
06/27/2012CN102520240A Magnetic bias current monitoring and early-warning system for large-scale transformer
06/27/2012CN102520239A Power consumption testing system for communication module of electricity information acquisition system
06/27/2012CN102520238A Intelligent programmable-control microcurrent measurement display system
06/27/2012CN102520237A Device and method for measuring digital AC/DC (Alternating Current/Direct Current) current conversion
06/27/2012CN102520236A Multifunctional wind power quality monitor
06/27/2012CN102520235A Zero detection circuit
06/27/2012CN102520234A External detection type coaxial bipolar high-low voltage alternating current acousto-optic electroscope
06/27/2012CN102520233A Alternating ratio signal acquisition calculation method
06/27/2012CN102520232A Current sampling device
06/27/2012CN102520231A Detection circuit of switch magnetic resistance motor winding voltage and detection method thereof
06/27/2012CN102520230A Zinc oxide lightning arrester operation state detection method
06/27/2012CN102520229A Measuring device for streaming potential on surface of fiber membrane
06/27/2012CN102519670A Electric parameter verification device for vacuumometers
06/27/2012CN102518514A Ionic current detection circuit based on automotive ignition system
06/27/2012CN102012451B Light-emitting diode-based insulator leakage current fiber sensor system
06/27/2012CN101943733B Primary power supply scrambler
06/27/2012CN101876474B Method for automatically detecting lack of refrigerant in air-conditioner
06/27/2012CN101871967B Metering method of electric energy meter
06/27/2012CN101871959B Optical fiber Fabry-perot current sensor and preparation method thereof
06/27/2012CN101846615B Device and method for monitoring corrosion of buried steel pipelines
06/27/2012CN101840458B Method for extracting carrier mobility
06/27/2012CN101771401B Oscillator circuit
06/27/2012CN101707344B Signal acquisition controller
06/27/2012CN101509881B On-line electrical leakage detecting method for enameled wire
06/27/2012CN101494431B Controller of multi-phase electric motor
06/27/2012CN101082649B Method for testing three phases power supply of flying vehicle and tool set
06/26/2012US8207726 Determining electric grid endpoint phase connectivity
06/26/2012CA2621538C Method and system for through fault detection in electrical devices
06/21/2012WO2012082648A1 Method and system for measuring the integrity of a power converter
06/21/2012WO2012081242A1 Portable electronic device
06/21/2012WO2012079821A1 Device for measuring a cell voltage of a battery
06/21/2012US20120158331 Power Input Efficiency Measurement Method
06/21/2012US20120154957 Capacitance check and current monitoring circuit for use with a circuit protection device
06/21/2012US20120154140 Wireless remote detector systems and methods
06/21/2012US20120153994 Methods and Implementation of Low-Power Power-On Control Circuits
06/21/2012US20120153945 Hall Effect Sensor with Reduced Offset
06/21/2012US20120153934 Voltage and current sampling device
06/21/2012US20120152733 Apparatus for use with metallic structures
06/21/2012DE19810826B4 Meßvorrichtung zum digitalen Erfassen analoger Meßgrößen Measuring apparatus for detecting digital analog process variables
06/21/2012DE112010003387T5 Glasfasersystem und Verfahren zur Temperatursteuerung und zum Kompensieren für Glasfaserstromerfassungssysteme Fiber optic system and method for temperature control and for compensating for fiber optic current detection systems
06/21/2012DE112010001638T5 Vorrichtung und Verfahren für Stromverbrauchsmessungen an Trennschalterpunkten Apparatus and method for power consumption measurements on circuit breaker points
06/21/2012DE102010063790A1 Charging station for e.g. charging energy storage of electric vehicle, has communication interface communicating charging parameter and/or monitoring parameter, where station produces and changes parameter based on preset requirements
06/21/2012DE102010063761A1 Degradationsbestimmung Degradationsbestimmung
06/21/2012DE102010063422A1 Verfahren und Vorrichtung zum Detektieren eines Störlichtbogenereignisses in einem Wechselspannungsnetz Method and apparatus for detecting an alternating-voltage network in a Störlichtbogenereignisses
06/21/2012DE102010063421A1 Schaltungsanordnung und Verfahren zum Detektieren eines Lichtbogens Circuit arrangement and method for detecting an arc
06/21/2012DE102010063419A1 Verfahren zum Detektieren von Störlichtbogenereignissen durch einen Fehlerzähler und Vorrichtung A method for detecting Störlichtbogenereignissen by an error counter device and
06/21/2012DE102010063408A1 Sensor arrangement for use as e.g. alternating current sensor arrangement for determining current in home, has conductor, where sum of angle encloses straight line and sensor with another straight line with certain value
06/21/2012DE102010063258A1 Vorrichtung zum Messen einer Zellspannung einer Batterie A device for measuring a cell voltage of a battery
06/21/2012DE102010061433A1 Spannungsregelung für Ausgangstransistor einer Signalausgangsstufe Voltage control for a signal output transistor output stage
06/21/2012DE102010055581A1 Method for visualizing ignition pulse of ignition module for internal combustion engine of vehicle e.g. motor car, involves controlling light unit to radiate light, based on detected electrical values so as to visualize ignition pulse
06/21/2012DE102010054885A1 Schaltereinheit für Flurförderzeug Switch unit for truck
06/20/2012EP2466319A1 Capacitance check and voltage monitoring circuit for use with a circuit protection device
06/20/2012EP2464984A1 Mixed mode fluxgate current transducer
06/20/2012CN202281819U 高压试验测试装置 High voltage test test device
06/20/2012CN202281798U 电池组电压采样电路 Battery voltage sampling circuit
06/20/2012CN202281797U 光敏管条测测试仪 Article photodiode measurement tester
06/20/2012CN202281796U 电压存在指示系统 Voltage presence indicating system
06/20/2012CN202281795U Pt二次压降测试系统 Pt secondary voltage drop test system
06/20/2012CN202281794U 电流采样装置 Current sampling device
06/20/2012CN202281787U 一种交流信号发生系统 An AC signal generating system
06/20/2012CN202281782U 一种灌封型电流传感器 One kind of potting type current sensor
06/20/2012CN202281617U 霍尔传感器 Hall sensor
06/20/2012CN102510636A Current detection IC for driving white-light LED
06/20/2012CN102510081A Zero-cross control circuit, method and system of photovoltaic network disconnection relay
06/20/2012CN102509440A Remote meter reading system and remote meter reading method
06/20/2012CN102508145A Method for measuring CCD (Charge Coupled Device) chip dark current and double temperature constant
06/20/2012CN102508128A Switch cabinet local discharge transient-to-ground voltage detection system based on wireless network
06/20/2012CN102508117A Disturbance area negative-sequence current judgment method
06/20/2012CN102508097A Segmented detection device and detection method of line fault
06/20/2012CN102508094A Leakage current sensor of lightning arrester
06/20/2012CN102508078A Automatic storage battery charging/discharging collector
06/20/2012CN102508032A Method for measuring attenuation and phase shift of detection signal
06/20/2012CN102508030A Data processing system and message method based on IPC (industrial personal computer) synchronized phasor measurement unit
06/20/2012CN102508026A Harmonic wave analysis method for electric energy quality harmonic wave analyzer
06/20/2012CN102508020A Measuring method and measuring device for power consumption duration of battery pack of mobile terminal power supply
06/20/2012CN102508019A Health condition diagnosing method for protective layer of buried metal pipeline
06/20/2012CN102508018A Stray current monitoring and protecting device and method
06/20/2012CN102508017A Secondary voltage drop test system of potential transformer (PT)
06/20/2012CN102508016A Voltage detection circuit of motor controller for electric vehicle
06/20/2012CN102508015A Three-in-one real-time load curve construction method for railway power supply system
06/20/2012CN102508014A Power line carrier communication zero-crossing detection system and method thereof
06/20/2012CN102508013A Current alarm signal processing method for improved mathematical morphology filter
06/20/2012CN102508012A Alternating-current high-voltage wire monitoring device and method
06/20/2012CN102508011A Overvoltage and no-voltage detection circuit and testing device
06/20/2012CN102508010A Electricity testing method of high voltage switch cabinet
06/20/2012CN102508009A Multifunctional test pencil
06/20/2012CN102508008A System and method for detecting amplitude-phase of voltage dip of grid-connected bus of wind power generation system
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