| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
|---|
| 07/03/2013 | CN203037711U Electronic detection device, capable of discriminating alternating-current/direct-current voltage, of field-effect building fire-fighting equipment |
| 07/03/2013 | CN203037708U Miniature bipolar fast cutting nondestructive rock coupling intelligent integrated electrode |
| 07/03/2013 | CN203034136U Voltage feedback system for measuring aluminum foil production voltage |
| 07/03/2013 | CN103187776A Voltage balance circuit of super-capacitor module |
| 07/03/2013 | CN103185832A Hall sensor temperature compensation method in automobile and relevant hall sensor |
| 07/03/2013 | CN103185831A Current detection method and device |
| 07/03/2013 | CN103185830A 电压比较电路 Voltage comparison circuit |
| 07/03/2013 | CN103185829A Leakage current testing method and device |
| 07/03/2013 | CN103185828A Current sensor |
| 07/03/2013 | CN103185827A 电流传感器 Current Sensors |
| 07/03/2013 | CN103185826A Bidirectional voltage differentiator circuit |
| 07/03/2013 | CN103185825A 电流监控装置 Current monitoring device |
| 07/03/2013 | CN102323480B Electric energy quality analyzing method based on Hilbert-Huang transform |
| 07/03/2013 | CN102253272B Current measurement and protective sensor for high-voltage alternating current |
| 07/03/2013 | CN102156216B Method for discriminating magneting inrush current of direct current transmission converter transformer |
| 07/03/2013 | CN102045512B Multi-computer switcher, signal stretcher and audio/video signal detection method |
| 07/03/2013 | CN102004186B High-accuracy sinusoidal signal measuring method for removing frequency spectrum leakage |
| 07/03/2013 | CN101887621B Monitoring protector of electrical fire |
| 07/02/2013 | US8479026 Processor power management |
| 07/02/2013 | US8476933 Receiver circuit of semiconductor apparatus and method for receiving signal |
| 07/02/2013 | US8476892 Core recognition system and core recognition method |
| 07/02/2013 | CA2685152C Method and apparatus for communicating loss of alternating current power supply |
| 06/27/2013 | WO2013094148A1 Current detection circuit and semiconductor integrated circuit device |
| 06/27/2013 | WO2013093714A1 Current shunt |
| 06/27/2013 | WO2013093554A1 System and method for monitoring real power consumption |
| 06/27/2013 | WO2013092410A1 Method for determining the absence of voltage in an electrical high-voltage system, and electrical high-voltage system |
| 06/27/2013 | WO2013091745A1 Current sensor |
| 06/27/2013 | WO2013091277A1 Iec61850-based synchronization performance test method for digital relay protection device |
| 06/27/2013 | US20130162297 Peak voltage detector and related method of generating an envelope voltage |
| 06/27/2013 | US20130162296 Peak voltage detector and related method of generating an envelope voltage |
| 06/27/2013 | US20130162269 Current Sensing with Internal ADC Capacitor |
| 06/27/2013 | DE112005000698B4 Messvorrichtung und Messverfahren zur Bestimmung von Batteriezellenspannungen Measuring apparatus and method for the measurement of battery cell voltages |
| 06/27/2013 | DE102011122420A1 Verfahren zur Feststellung der Spannungsfreiheit in einem elektrischen Hochvolt-System und ein elektrisches Hochvolt-System A method for determining the absence of voltage in an electrical high-voltage system and an electrical high-voltage system |
| 06/27/2013 | DE102011122397A1 Bias current measuring device for measuring electrical bias current of electric devices in motor car, has current measurement units comprising transformer with pliers mouth for contactless determination of current value of electric current |
| 06/27/2013 | DE102011121940A1 Debalancierungs-Schutzschaltung für einen Akkupack Debalancierungs protection circuit for a battery pack |
| 06/27/2013 | DE102011121937A1 Schutzschaltung für einen Akkupack Protection circuit for a battery pack |
| 06/27/2013 | DE102011121934A1 Schutzschaltung für einen Akkupack Protection circuit for a battery pack |
| 06/27/2013 | DE102011089976A1 Verfahren und Vorrichtung zur Überwachung einer Energiereserve und Sicherungsvorrichtung für ein Fahrzeug Method and apparatus for monitoring an energy reserve and securing device for a vehicle |
| 06/27/2013 | DE102011089556A1 Vorrichtung und Verfahren zur Überwachung einer Spannungsversorgung für ein Fahrzeugsystem Apparatus and method for monitoring a power supply system for a vehicle |
| 06/26/2013 | EP2608339A1 Sensored cable for a power network |
| 06/26/2013 | EP2608338A1 Terminal connection device for a power cable |
| 06/26/2013 | EP2607914A1 Apparatus and method for compensating offset of current sensor |
| 06/26/2013 | EP2607908A1 Voltage detection assembly and battery module including same |
| 06/26/2013 | CN203026980U Charging promoting device and rechargeable battery circuit |
| 06/26/2013 | CN203026941U Current equalizing circuit at local side of direct-current remote power feeding system |
| 06/26/2013 | CN203026921U Detection circuit for imbalance of parallel output current of inverters |
| 06/26/2013 | CN203025332U Magnetic steel detection device of Hall displacement sensor |
| 06/26/2013 | CN203025299U Device for collecting weak current on surface of insulator |
| 06/26/2013 | CN203025297U Return contact-free fuse blow detection circuit |
| 06/26/2013 | CN203025295U Automobile line detection device |
| 06/26/2013 | CN203025277U Domestic power energy quality monitoring device |
| 06/26/2013 | CN203025246U Voltage measurement device based on singlechip |
| 06/26/2013 | CN203025245U Hot-water electric leakage detection device, shower head and electric water heater |
| 06/26/2013 | CN203025244U Power failure alarm device of power distribution room |
| 06/26/2013 | CN203025243U Electroscope |
| 06/26/2013 | CN203025242U Auxiliary electrical inspection operation tool |
| 06/26/2013 | CN203025241U Test pencil |
| 06/26/2013 | CN203025240U Power distribution line monitoring and acquiring device |
| 06/26/2013 | CN203025239U Current sensor based on polarization-maintaining long-period fiber grating |
| 06/26/2013 | CN203025238U Anode voltage signal acquisition device for aluminium electrolysis cell |
| 06/26/2013 | CN203025237U Sleeve type current meter installation device |
| 06/26/2013 | CN203025236U Device for synchronously measuring short circuit current distribution in transformer station |
| 06/26/2013 | CN203025235U Voltage state detection circuit of output channel |
| 06/26/2013 | CN203025234U +/-800 and 1000KV extra-high voltage photoelectric transformer |
| 06/26/2013 | CN203025233U Three-phase integrated electronic transformer |
| 06/26/2013 | CN103180916A Current-sensing resistor |
| 06/26/2013 | CN103179241A Method and system for automatically testing power consumption of mobile terminal |
| 06/26/2013 | CN103176078A Power quality monitoring apparatus for railway power system |
| 06/26/2013 | CN103176076A Power quality monitoring apparatus and method thereof |
| 06/26/2013 | CN103176037A Alternating-current signal acquisition board for flexible alternating-current transmission device |
| 06/26/2013 | CN103176036A Device and method for monitoring alternating current entering direct current system |
| 06/26/2013 | CN103176035A Online container monitoring and positioning method |
| 06/26/2013 | CN103176034A Data acquisition device with hot plug protection function and channel card thereof |
| 06/26/2013 | CN103176033A Sampling circuit for online detection of parameters of energy storage battery |
| 06/26/2013 | CN103176032A Voltage measuring method for single-phase ground fault point of extra-high-voltage alternating-current transmission line |
| 06/26/2013 | CN103176031A Rogowski-coil-based piezoelectric drive fiber Bragg grating current sensor and application method thereof |
| 06/26/2013 | CN103176030A Method for detecting inter-harmonics of power distribution system |
| 06/26/2013 | CN103176029A Voltage amplitude detection circuit, information storage device, communication device, and voltage amplitude detection method |
| 06/26/2013 | CN103176028A Electric power monitor device |
| 06/26/2013 | CN103176027A Connection detection method and device for secondary circuit of current detection unit |
| 06/26/2013 | CN103176026A Wireless monitoring energy management system for lightning arrester |
| 06/26/2013 | CN103176025A Power source voltage detection circuit and control method thereof |
| 06/26/2013 | CN103176024A Method and system for utilizing source meter to conduct measurement |
| 06/26/2013 | CN103176023A All-fiber current sensor system and current detection method |
| 06/26/2013 | CN103176020A Voltage detection circuit |
| 06/26/2013 | CN102331561B Battery voltage detection circuit and battery management system |
| 06/26/2013 | CN102288919B Voltage measuring system and method for battery |
| 06/26/2013 | CN102269798B Method and device for detecting faulty battery |
| 06/26/2013 | CN102195237B Lightning conductor |
| 06/26/2013 | CN102156215B Closed-loop electric test clamp |
| 06/26/2013 | CN102128972B Sensor device for monitoring transient voltage of broadband integral type power grid |
| 06/26/2013 | CN102109547B Scanning probe system on high field side of Tokamak device |
| 06/26/2013 | CN102098012B Detection and amplification device for micro current |
| 06/26/2013 | CN101617233B Methods and system for utility network outage detection |
| 06/25/2013 | US8471568 Evaluation of a charge impedance at the output of a directional coupler |
| 06/25/2013 | CA2707102C Improved current sensor |
| 06/23/2013 | CA2798795A1 Distributed, multiplexed fiber optic current transducer using optical power division |
| 06/20/2013 | WO2013090587A1 Methods and systems for controlling a power conversion device |
| 06/20/2013 | WO2013089518A1 High voltage measuring apparatus for electric vehicle |
| 06/20/2013 | WO2013087327A1 Method for checking an electrical current measurement, circuit for carrying out the method, battery and motor vehicle |