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)
10/2013
10/16/2013CN102175971B Relay state detection method and device of electric vehicle high-voltage system
10/16/2013CN102097785B Method for authenticating sympathetic inrush current in traction substation transformer
10/16/2013CN101980029B Voltage sampling method and device
10/16/2013CN101379405B Current sensor
10/15/2013US8558567 Identifying a signal on a printed circuit board under test
10/15/2013US8558532 Sensor circuit
10/10/2013WO2013151457A1 Device for synchronized vectorial voltage and current measurements
10/10/2013US20130265059 System and Method for Verifying a Reference Voltage for Battery Cell Monitoring
10/10/2013US20130265041 High accuracy differential current sensor for applications like ground fault interrupters
10/10/2013US20130265035 System and method for current measurement in the presence of high common mode voltages
10/10/2013US20130265033 Test circuit and semiconductor apparatus including the same
10/10/2013US20130265032 Monitoring and controlling electrical Instrumentation
10/10/2013DE102013205946A1 Aufbau und Verfahren zum Anbringen eines Stromsensors an einem Batteriekabel Construction and method of mounting a current sensor to a battery cable
10/10/2013DE102012205610A1 Method for parameterization of voltage measuring device for detecting voltage at medium- or high voltage systems, involves determining capacitance value of primary capacitance of predetermined medium- or high voltage system
10/10/2013DE102012205401A1 Vorrichtung und Verfahren zur redundanten Bestimmung eines über die Pole einer Batterie fließenden Batteriestroms Apparatus and method for determining a redundant over the poles of a battery battery current flowing
10/10/2013DE102012205383A1 Method for controlling output voltage of battery, involves monitoring generated output voltage of electrochemical modules and performing signaling when predetermined value is reached or exceeded by output voltage
10/10/2013DE102012103037A1 Elektromagnetisch kraftkompensierende Kraftmessvorrichtung Electromagnetic kraftkompensierende force measuring device
10/10/2013DE102007040061B4 Wellendetektorschaltung Wave detector circuit
10/09/2013EP2647962A1 Socket and method for controlling an electrical installation including such a socket
10/09/2013CN203232973U Portable grounding wire with live-wire alarm function
10/09/2013CN203232516U Anti-theft alarm for power transformer
10/09/2013CN203232136U Arc voltage measuring device of high-voltage circuit breaker
10/09/2013CN203232121U Secondary neutral point multipoint grounding monitoring device for voltage transformer of transformer substation
10/09/2013CN203232093U Pen for digital sinusoidal wave current measurement
10/09/2013CN203232092U PCB voltage test circuit and tool
10/09/2013CN203232091U Range automatic switching voltage meter
10/09/2013CN203232090U Alternating-current voltmeter with true root mean square
10/09/2013CN203232089U An electric signal detecting system of the signal lamp output port of a road traffic signal controller
10/09/2013CN203232088U Over-voltage warning device
10/09/2013CN203232087U A PG signal testing apparatus
10/09/2013CN203232086U Integrated active protection type insulated protective ring of high-voltage electroscope
10/09/2013CN203232085U High-voltage live display device
10/09/2013CN203232084U Improved high-voltage electroscope
10/09/2013CN203232083U High-voltage sound and light electroscope
10/09/2013CN203232082U Electroscope for overhead wires
10/09/2013CN203232081U Current sensor
10/09/2013CN203232080U Test bar applied to lightning arrester running persistent current detection
10/09/2013CN203232064U Automatic closed type housing and load monitoring device with same
10/09/2013CN103348256A Wire manager with current and voltage sensing
10/09/2013CN103346443A Safe earth leakage protection plug giving alarm about earth wire electrification abnormity
10/09/2013CN103344876A Water heater power detector
10/09/2013CN103344828A Novel harmonic emission level assessment method
10/09/2013CN103344823A Wavelet network current instantaneous value detection method applied to megawatt converter
10/09/2013CN103344822A Battery voltage monitoring circuit used for battery powered equipment
10/09/2013CN103344821A Transient overvoltage on-line monitoring system based on CVT and provided with built-in low-voltage capacitor
10/09/2013CN103344820A Potential indicator with temperature measuring function
10/09/2013CN103344819A 66-kilovolt voltage collection device
10/09/2013CN103344818A Non-contact electroscope and electroscopy
10/09/2013CN103344817A Chip inner portion voltage drop measuring device and measuring method
10/09/2013CN103344816A Method and circuit for sampling peak value of alternating voltage and switch convector using circuit
10/09/2013CN103344815A Measuring method of electric parameters with wide change range and system
10/09/2013CN103344814A Sensing device for measuring electrification voltage of high-temperature high-speed air flow
10/09/2013CN103344813A Direct current voltage isolation sampling circuit
10/09/2013CN103344812A Magneto-optic current sensor with temperature compensation
10/09/2013CN103344811A Current detecting circuit of direct-current motor
10/09/2013CN103344810A Method for calculating electric shock effects of vehicle on human body under high-voltage alternating current transmission line
10/09/2013CN103344809A Measuring equipment and measuring method for leakage currents of high-voltage holding test of security equipment
10/09/2013CN103344808A Method for detecting transformer neutral point current direct-current component
10/09/2013CN103344807A Drive current monitoring circuit of electromagnetic valve
10/09/2013CN102545262B Method for detecting island of grid-connected photovoltaic power system on basis of electric energy quality constraint
10/09/2013CN102508000B Electroencephalogram (EEG) neural signal detector impedance test and activation matching system
10/09/2013CN102313834B Switching system, method and device of electric power data
10/09/2013CN102243286B Apparatus for detecting and displaying grounding state of equipment or socket
10/09/2013CN102170122B Power grid capacitive current online automatic tracking and monitoring device and tuning method thereof
10/09/2013CN102035370B Charge pump circuit with current detection function and circuit unit thereof
10/09/2013CN102014017B Signal detection circuit, method and system
10/08/2013US8552712 Current measurement method, inspection method of semiconductor device, semiconductor device, and test element group
10/08/2013US8552709 Systems and methods for locating a circuit
10/03/2013WO2013145928A1 Current detection apparatus and current detection method
10/03/2013WO2013143650A1 Time frame measuring method with calibration in the frequency range
10/03/2013US20130262003 Current measurement and comparing assembly for a power distribution system and method for measuring and comparing current
10/03/2013US20130258537 Method for detection of leakage or fault currents from equipment in an electrical power system
10/03/2013US20130257483 Sense amplifier-type latch circuits with static bias current for enhanced operating frequency
10/03/2013US20130257414 System and method to provide talking feature and interactive voice menu in phasing meters
10/03/2013US20130256161 Threshold condition indication in vehicle fuel system
10/02/2013EP2645350A1 Electronic electricity meter with integrated digital-certification mechanism for secure communication
10/02/2013EP2645130A2 Self-heating electrometer for high pressure ion chamber for verification of temperature compensation
10/02/2013EP2645117A1 Battery monitor with alarm activated by voltage or temperature threshold
10/02/2013EP2645114A2 Current measurement and comparing assembly for a power distribution system and method for measuring and comparing current
10/02/2013EP2643705A1 Integrated circuit device and method for detecting an excessive voltage state
10/02/2013DE102012204990A1 Schaltungsanordnung und Verfahren zur Überwachung einer Potentialtrennung Circuit arrangement and method for monitoring a potential separation
10/02/2013DE102012204960A1 Interlockdetektor mit Selbstdiagnosefunktion für einen Interlockkreis und ein Verfahren zur Selbstdiagnose des Interlockdetektors Interlockdetektor with self-diagnosis function for an interlock circuit and a method for self-diagnosis of Interlockdetektors
10/02/2013DE102012204957A1 Verfahren zur Bestimmung eines maximal verfügbaren Konstantstroms einer Batterie, Anordnung zur Ausführung eines solchen Verfahrens, Batterie in Kombination mit einer solchen Anordnung und Kraftfahrzeug mit einer solchen Batterie Method for determining a maximum available constant current of a battery arrangement for carrying out such a method, the battery in combination with such an arrangement and motor vehicle with such a battery
10/02/2013DE102012204935A1 Method for determination of current intensity of electric current in conductor in e.g. electrical driven motor car, involves determining current intensity of electric current in component based on amount of temperature elevation
10/02/2013DE102012204866A1 Verfahren und Vorrichtung zur Diagnose einer Entladeschaltung eines elektrischen Systems Method and apparatus for diagnosis of a discharge circuit of an electrical system
10/02/2013DE102012102672A1 Empfängerschaltung zum Empfang eines Eingangssignals A receiver circuit for receiving an input signal
10/02/2013DE102012102664A1 Warning device for determining and displaying dangerous condition of high voltage battery system of vehicle, has sensor unit for detecting parameter causing dangerous condition, and alarm generating unit for displaying dangerous condition
10/02/2013DE102012006314A1 Zeitbereichsmessverfahren mit Kalibrierung im Frequenzbereich Time domain measurement method with calibration in the frequency range
10/02/2013CN203225775U A voltage detecting apparatus
10/02/2013CN203225140U Compact 10kV voltage monitoring insulator
10/02/2013CN203224580U An apparatus for zinc oxide lightning arrester energized testing
10/02/2013CN203224562U Wireless Hall-current sensing transmitter
10/02/2013CN203224561U Online monitoring device for transient overvoltage of power distribution network
10/02/2013CN203224560U Residual current pre-warning system
10/02/2013CN203224559U Voltage alarm circuit used for traffic light power supply
10/02/2013CN203224558U Relay protection screen direct current power supply monitoring and indicating device
10/02/2013CN203224557U 一种蓄电池电压监视器 A battery voltage monitor
10/02/2013CN203224556U Operation safety wireless prompt apparatus for knife switch of electric power line working at 10 kV and below
10/02/2013CN203224555U Sampling integral jaw-shape AC reactive-current meter
10/02/2013CN203224554U A special-voltage testing system
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