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)
02/2014
02/19/2014CN203436454U Automatically-dimmable welding filter (GX-600S)
02/19/2014CN103597731A 功率转换装置 Power conversion means
02/19/2014CN103592606A Probe testing device for battery piece and battery piece current measuring method using probe testing device
02/19/2014CN103592603A Circuit, system and method for measuring a battery
02/19/2014CN103592540A High-accuracy direct current collecting method under wide-temperature environment
02/19/2014CN103592508A Current detection device used for coulomb measurement
02/19/2014CN103592507A Voltage loop alarm for metering devices of transformer station
02/19/2014CN103592506A On-line monitoring device for lightning current of overhead transmission line
02/19/2014CN103592505A Self-protective voltage detection circuit
02/19/2014CN103592504A Portable bearing current measuring device
02/19/2014CN103592503A Method for determining zero-crossing of an AC input voltage to a power supply, controller, and power supply
02/19/2014CN103592502A MOA resistive current and CT capacitive current joint monitoring system
02/19/2014CN103592501A Low-voltage current measuring bar
02/19/2014CN103592500A Power grid synchronous signal real-time detection method and system based on reference frequency
02/19/2014CN103592499A High-reliability multi-channel nA-level micro-current transmission design method
02/19/2014CN103592498A 电流检测电路 A current detecting circuit
02/19/2014CN103592497A Broadband voltage collector
02/19/2014CN103592496A Safe contact rail voltage monitoring device with warning light
02/19/2014CN103592495A All optical-fiber current sensor based on magnetic fluid and multi-mode interference and detection method
02/19/2014CN103592494A Enhancement of planar based RF sensor technology
02/19/2014CN103592493A Power-down detection circuit
02/19/2014CN103592492A A battery voltage monitoring and self-correcting apparatus
02/19/2014CN103592038A High-voltage wire temperature wireless detection device
02/19/2014CN103063903B Overvoltage computing method of modular multi-level converter
02/19/2014CN102508002B Plasma density measuring equipment of high temperature resistant embedded double-probe type
02/19/2014CN102445583B Voltage signal monitoring device of power energy quality monitoring device and circuit as well as application thereof
02/19/2014CN102435815B Operating method of resistive current on-line monitoring system of metal oxide arrester (MOA)
02/19/2014CN102426301B Early warning method of overhead transmission line lightning strike flashover
02/19/2014CN102353825B Resistor sampling isolation current detection circuit
02/19/2014CN102253271B Real-time measurement device and method for current of electrified overhead line
02/19/2014CN102193021B 电流传感器 Current Sensors
02/19/2014CN102128974B Implementing method of digital ray imaging voltage sensor
02/19/2014CN101907653B Signal acquisition and transmission device for high-voltage DC transmission converter valve
02/19/2014CN101893655B Digital optical current sensor
02/17/2014CA2821627A1 Indicator system for an energized conductor including an electret and an electroluminescent indicator
02/13/2014US20140046607 Method and system for signal generation via a temperature sensing crystal integrated circuit
02/13/2014US20140043562 Comparator, oscillator using the same, dc/dc converter, control circuit thereof, and electronic apparatus
02/13/2014US20140043016 System including a magnetoelectric device for powering a load or visually indicating an energized power bus
02/13/2014US20140043013 Sensor circuit
02/13/2014US20140043012 Apparatus and method for sampling a signal
02/13/2014DE10324875B4 Störimpuls-Detektionsschaltung und intelligente Karte The impulse noise detection circuit and smart card
02/13/2014DE102013215467A1 Verfahren und system zum isolieren von fehlern bei spannungssensoren und schützen in einem elektrischen system Method and system for isolating faults in voltage sensors and protect an electric system
02/13/2014DE102013013080A1 Verfahren und System zur Ermittlung von elektrischen Spannungen A method and system for the determination of electrical voltages
02/13/2014DE102013006022B3 Verfahren zur Zündung eines aluminothermischen Gemisches und Gerät zur Durchführung dieses Verfahrens A method for igniting a aluminothermic mixture and device for performing this method
02/13/2014DE102012214115A1 Device for balancing charge between battery cells used in e.g. vehicle e.g. hybrid car, has current path with separating device that is opened, when compensation current during load input between cells falls below threshold value
02/13/2014DE102012212946A1 Stromerfassungssystem Current detection system
02/13/2014DE102012211924B4 Halbleitermodul mit einem in einer Anschlusslasche integrierten Shunt-Widerstand und Verfahren zur Ermittlung eines durch einen Lastanschluss eines Halbleitermoduls fließenden Stromes A semiconductor module with a built-in a connecting bracket shunt resistor and method for determining a current flowing through a load terminal of a semiconductor module current
02/13/2014DE102012111285B3 Signal isolator for isolating measuring signals, has auxiliary energy feeder connected in series with output and clamps of direct current to direct current converter, and measuring circuit measuring voltage lying at clamps
02/13/2014DE102011107721B4 Verfahren und Vorrichtung zur Messung elektrischer Ströme mit Hilfe eines Stromwandlers Method and apparatus for measuring electric currents with the aid of a current transformer
02/13/2014DE102011083710B4 Prüfmittel für einen Schalter, insbesondere Leistungsschalter für Niederspannungen Test equipment for a switch, in particular circuit breakers for low voltages
02/12/2014EP2694991A1 Method and apparatus for measuring charging current
02/12/2014EP2694985A1 Shunt resistance type current sensor
02/12/2014CN203434901U Contrary-potential detection circuit of DC motor
02/12/2014CN203434310U Low-voltage grounding wire operating lever
02/12/2014CN203433037U Electrical data tester for electronic fuel injection automobile throttle assembly
02/12/2014CN203433036U Triode zero-crossing detection circuit used in resistive and capacitive voltage reduction
02/12/2014CN203433035U Resistor zero-crossing detection circuit used in resistive and capacitive voltage reduction
02/12/2014CN203433034U Current sampling circuit
02/12/2014CN203433033U Simple safe high-voltage electroscope
02/12/2014CN203433032U 高压验电器 Pressure electroscope
02/12/2014CN203433031U Signal measurement circuit of voltage regulator of small-sized general gasoline engine generator
02/12/2014CN203433030U 10kV clip-on ammeter
02/12/2014CN103582822A Apparatus for current measurement
02/12/2014CN103582821A Device for the contactless determination of an electrical potential of an object, current probe, and method
02/12/2014CN103579991A 过流保护电路 Overcurrent protection circuit
02/12/2014CN103579647A Redundancy for improved stack health monitoring reliability
02/12/2014CN103578706A Power inductance device and method for realizing shunting measurement through inductive winding
02/12/2014CN103578218A Circuit driving circuit of fire alarm system and corresponding fire alarm system
02/12/2014CN103576091A Cell open-circuit voltage compensation system and cell open-circuit voltage compensation method
02/12/2014CN103576065A Test circuit of transistor threshold voltage
02/12/2014CN103576038A Wireless insulator detection device
02/12/2014CN103576032A On-line detection device and method of power device
02/12/2014CN103576016A USB interface detection system and method
02/12/2014CN103575977A Power test circuit
02/12/2014CN103575972A Internal resistive current measurement system of electric transmission line insulator
02/12/2014CN103575971A Intelligent substation universal data collection method
02/12/2014CN103575970A Transformer grounding current monitoring device and system
02/12/2014CN103575969A Device and method for measuring voltage and resistance of communication line
02/12/2014CN103575968A Non-contact direct current detection device
02/12/2014CN103575967A Method and system for isolating voltage sensor errors from contactor errors in an electrical system
02/12/2014CN103575966A Power supply monitoring circuit and control method thereof, AC/DC conversion apparatus
02/12/2014CN103575965A Direct current system monitoring device and method
02/12/2014CN103575964A Over-current detection circuit and method for power switch tube
02/12/2014CN103575963A Remote safety electroscope for high voltage transmission line
02/12/2014CN103575962A 无源峰值跟随电路 Passive peak follower circuit
02/12/2014CN103575961A Current sampling circuit of boost rectifier transformer
02/12/2014CN103575960A Giant magnetoresistance effect current sensor
02/12/2014CN103575959A Novel non-contact three-phase current measuring method
02/12/2014CN103575958A Device for measuring the direct component of alternating current
02/12/2014CN103575957A High efficiency energy harvester and methods thereof
02/12/2014CN103575956A Detection circuit and detection method
02/12/2014CN103575955A Electric power information obtaining method
02/12/2014CN103575954A Power source monitoring system
02/12/2014CN103575953A Motherboard output voltage measuring machine platform and measuring method thereof
02/12/2014CN103575401A System for testing temperature distribution characteristics of power semiconductor module
02/12/2014CN102901584B Temperature detection device for detecting temperature of rotor of motor
02/12/2014CN102608394B Line corona current measurement system and method
02/12/2014CN102508145B Method for measuring CCD (Charge Coupled Device) chip dark current and double temperature constant
02/12/2014CN102411084B Online monitoring device and method of grounding current of iron core of transformer
02/12/2014CN102346211B Alternating-current (AC) real current detection apparatus and detection method thereof
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