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)
03/2014
03/05/2014CN101923126B Automatic closed loop test method
03/05/2014CN101915751B Simulation test device of transmittance of battery pack euphotic layer and test method thereof
03/04/2014US8666688 High speed digital transient waveform detection system and method for use in an intelligent electronic device
03/04/2014US8666561 Method and apparatus for determining a corrected monitoring voltage
03/04/2014US8664936 Electronic motor vehicle control system with current measuring circuit
03/04/2014US8664935 Magnetic shield for current transformer in electronic watt-hour meter
02/2014
02/27/2014WO2014030860A1 Malfunction diagnostic circuit of cell balancing circuit
02/27/2014US20140058691 Method and apparatus for discrimination of sources in stray voltage detection
02/27/2014US20140055151 Self-Powered Current Sensor With A Linear Adjustment
02/27/2014US20140055124 Peak detector and auto gain controller using the same
02/27/2014DE102012215186A1 Batterie sowie Verfahren zum sicheren Betreiben der Batterie Battery and methods for the safe operation of the battery
02/27/2014DE102012215155A1 Verfahren zum Regeln der Stromstärke des durch einen induktiven Verbraucher fließenden elektrischen Stroms sowie entsprechende Schaltungsanordnung Method for regulating the current intensity of the current flowing through an inductive load electric current as well as corresponding circuitry
02/27/2014DE102012215061A1 Battery system has multiple interconnected batteries, where monitoring electronics of batteries have units for checking plausibility to execute mutual plausibility check of current values determined by current measuring unit of batteries
02/27/2014DE102012214956A1 Half bridge circuit for battery of motor car, has two switching units for connecting or disconnecting battery cell with respect to battery line, which measure current flowing through battery cell
02/27/2014DE102012214896A1 Batterie und Kraftfahrzeug Battery and motor vehicle
02/26/2014EP2700966A1 Battery state estimation device and method
02/26/2014EP2700965A2 Semiconductor device and battery voltage monitoring device
02/26/2014EP2700958A1 Switch circuit, selection circuit, and voltage measurement device
02/26/2014EP2700951A1 Variable reluctance sensor interface with integration based arming threshold
02/26/2014EP2700156A1 Method and apparatus for measuring current
02/26/2014EP2699915A2 System of intelligent sensors in an electrical panelboard
02/26/2014EP2699914A1 Measurement system and method for a series connection of energy storage devices
02/26/2014EP2699913A1 A system and method to calculate rms current and true power in a multidrop sensor network
02/26/2014DE202013011690U1 Messwiderstand Measuring resistance
02/26/2014CN203456336U Multifunctional?isolation switch
02/26/2014CN203455436U Electric leakage alarm apparatus
02/26/2014CN203455403U Battery voltage detection circuit based on Zener diode
02/26/2014CN203455402U Battery detection system
02/26/2014CN203455401U Instant high voltage power transmission signal acquisition system
02/26/2014CN203455400U Current detection circuit
02/26/2014CN203455399U A CVT transient overvoltage sensor
02/26/2014CN203455398U Current starting circuit used for fault indicator
02/26/2014CN203455397U Voltage surge detection circuit for food processing machine and soybean milk machine using voltage surge detection circuit
02/26/2014CN203455396U Intelligent electric energy?metering?anti-electricity stealing?monitoring system
02/26/2014CN203455395U Electroscope with high-voltage generator
02/26/2014CN203455394U Electroscope
02/26/2014CN203455393U Sampling circuit for alternate current effective voltage
02/26/2014CN203455392U Medium voltage division-based integrated photoelectric voltage sensor
02/26/2014CN203455391U Logic pulse signal detection device
02/26/2014CN203455390U An openable DC leakage current sensor
02/26/2014CN203455389U Simulation test stand for power transmission line insulator leakage current
02/26/2014CN203455388U Current and temperature monitoring system applied to industrial environment
02/26/2014CN203455373U Nanoammeter waterproof box
02/26/2014CN203455024U Early warning apparatus for secure operation of switch cabinet
02/26/2014CN203449952U Car electric quantity monitoring warning device
02/26/2014CN103606867A A concealed-type metal conjunction box with a current monitor
02/26/2014CN103606717A Anti-electric shock charging method and detection adapter with floating voltage detection function
02/26/2014CN103605040A GIS-equipment built-in lightning-arrester alternating current leakage current test method
02/26/2014CN103604984A Method for improving AD acquisition accuracy based on least square method
02/26/2014CN103604983A System for controlling operation parameters of wind power current transformer based on DSP and ARM
02/26/2014CN103604982A PXI micro-current detection device
02/26/2014CN103604981A Remote control zero clearing device of arrester counters
02/26/2014CN103604980A Battery car low-voltage detection and alarm circuit
02/26/2014CN103604979A Detector based on capacitor voltage distribution and detecting method thereof
02/26/2014CN103604978A On-line monitor device of lightning current of overhead transmission line based on PCI collection card
02/26/2014CN103604977A Lightning current monitoring system based on atmospheric humidity
02/26/2014CN103604976A Power transmission line insulator internal resistive current measuring method
02/26/2014CN103604975A An anti-interference low-voltage detection circuit
02/26/2014CN103604974A Low-power current detection circuit for current mode DC/DC converter
02/26/2014CN103604973A All-fiber current sensor using optical loop mirror as reflection element
02/26/2014CN103604972A All-optical fiber current sensor adopting fiber bragg grating as reflecting element
02/26/2014CN102565580B Measurement method of coefficient of uniformity of current distribution of multi-column parallel resistance chip columns
02/26/2014CN102539962B Method for measuring non-uniform current distribution coefficient range of parallel multi-resistor piles
02/26/2014CN102508018B Stray current monitoring and protecting device and method
02/26/2014CN102395890B Current-sensing circuit and air-conditioning device provided therewith
02/26/2014CN102288802B Method and circuit for measuring voltage
02/26/2014CN102175908B Method for detecting current by wiring parasitic resistors by using power tube
02/26/2014CN102135558B Acquisition and hierarchical identification system of overvoltage data and hierarchical pattern identification method of overvoltage types
02/26/2014CN102037367B RMS detector with automatic gain control
02/26/2014CN101741245B Dc-dc converter control system
02/25/2014US8660810 System and method to calculate RMS current and true power in a multidrop sensor network
02/25/2014US8659321 Semiconductor device having sense amplifier
02/25/2014US8659285 Current sensor and current sensing method
02/25/2014US8659284 Load current detection in electrical power converters
02/25/2014CA2691270C Method and apparatus for measuring current output of low-voltage pad-mount distribution power transformers
02/20/2014WO2014028727A1 Switch mode power converter current sensing apparatus and method
02/20/2014WO2014027423A1 Electric quantity measuring device and electric quantity measuring method
02/20/2014US20140052888 Method and apparatus for providing two way control and data communications to and from transportation refrigeration units (TRUs)
02/20/2014US20140052397 Inrush current measuring device
02/20/2014US20140049255 Coreless current sensor structure, coreless current sensor, and current detection method
02/20/2014US20140049250 On The Enhancements of Planar Based RF Sensor Technology
02/20/2014US20140049248 Spark detection device capable of detecting characteristics of a spark signal
02/20/2014US20140049238 Switch mode power converter current sensing apparatus and method
02/20/2014DE102013108819A1 Strahlungsanalysator und Verfahren zur Strahlungsanalyse Radiation analyzer and method for radiation analysis
02/20/2014DE102011056266B4 Verfahren und Schaltungsanordnung zur Erfassung von Messwerten mit einem digitalen Signalprozessor mit integriertem Analog/Digital-Wandler Method and circuit arrangement for detecting measurement values ​​with a digital signal processor with an integrated analog / digital converter
02/19/2014EP2697659A1 Device for the contactless determination of an electrical potential of an object, current probe, and method
02/19/2014CN203445267U Inductive grounding rod
02/19/2014CN203444081U Monitoring and control system for permanent magnetic mechanism breaker
02/19/2014CN203444063U Inspection and alarm apparatus for AC mixing and DC grounding
02/19/2014CN203444046U Electric energy quality monitoring apparatus
02/19/2014CN203444034U Fault diagnosis system of coal mining machine frequency converter
02/19/2014CN203444018U Online monitoring system of transformer bushing
02/19/2014CN203444012U High accuracy and rapid speed measurement circuit of wide range current in power system
02/19/2014CN203444011U Synchronous signal acquisition device of rectifier
02/19/2014CN203444010U Detection tooling for single-phase intelligent electric meter circuit board
02/19/2014CN203444009U Flexible decorative brick production line motor current alarm device
02/19/2014CN203444008U High-voltage charge display locking device
02/19/2014CN203444007U Electronic test pencil with voice prompt function
02/19/2014CN203444006U Battery meter pen capable of measuring voltage under reverse-polarity condition
02/19/2014CN203444005U Multifunctional voltage monitoring instrument
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