| Patents for G01R 19 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof (29,850) |
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| 06/13/2013 | US20130147463 Current sensor and assembled battery |
| 06/13/2013 | DE102012221929A1 Zählergerät und Verfahren zum Betreiben eines Zählergerätes Counter apparatus and method for operating a counter device |
| 06/13/2013 | DE102012110550A1 Regelalgorithmus für einen Batterieladezustandsmagnetsensor Control algorithm for a battery charge state magnetic sensor |
| 06/13/2013 | DE102011120695A1 Control device for on-board power supply system of motor car, verifies voltage value which is detected by analog to digital converter based on input signal at input unit to which voltage is supplied directly or over resistor/regulator |
| 06/13/2013 | DE102011088411A1 Schaltungsanordnung und Verfahren zum Erkennen einer Schalterstellung Circuit arrangement and method for detecting a switch position |
| 06/13/2013 | DE102011056266A1 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 |
| 06/12/2013 | EP2602629A1 Distributed power supply system and control method thereof |
| 06/12/2013 | EP2601533A1 Method and system of measuring current in an electric meter |
| 06/12/2013 | CN202997520U Current sampling and over-current protection circuit for electric vehicle controller |
| 06/12/2013 | CN202997305U Distribution box capable of giving out electricity leakage warning |
| 06/12/2013 | CN202995524U Output conditioning circuit of current sensor |
| 06/12/2013 | CN202995329U Single battery monitoring device |
| 06/12/2013 | CN202995019U Multifunctional alternating current and direct current measuring instrument |
| 06/12/2013 | CN202994950U Leak current test instrument for three-phase equipment |
| 06/12/2013 | CN202994943U 架空线型故障检测器 Overhead line fault detector |
| 06/12/2013 | CN202994915U Super-capacitor discharge curve acquisition device |
| 06/12/2013 | CN202994914U Variable-temperature and controllable magnetic field dynamic magnetoelectric effect testing device used in film |
| 06/12/2013 | CN202994897U Digital medium-high frequency lead wire current detection module |
| 06/12/2013 | CN202994896U Portable high-precision sub-nanoampere level current measuring instrument |
| 06/12/2013 | CN202994895U Voltage acquisition device of multiple-voltage-level automatic change-over switch controller |
| 06/12/2013 | CN202994894U High-precision isolated measurement device for high-voltage signals |
| 06/12/2013 | CN202994893U Transformer iron-core grounding current monitoring device |
| 06/12/2013 | CN202994892U Power supply failure detection unit |
| 06/12/2013 | CN202994891U Step voltage off-limit alarm device |
| 06/12/2013 | CN202994890U Connectiondisconnection device connected with passive component in parallel |
| 06/12/2013 | CN202994889U True RMS direct current volt ammeter |
| 06/12/2013 | CN202994888U Current-detecting double-circuit double-time AC (alternating current) floating type amplifying circuit module |
| 06/12/2013 | CN202994887U Atom current sensor |
| 06/12/2013 | CN202994886U Hall current measurement tool device |
| 06/12/2013 | CN202994885U Telescopic tong-type ammeter |
| 06/12/2013 | CN202994884U Passive DC voltage sensor |
| 06/12/2013 | CN202994883U Voltage measuring device of electrode slagbonding recovery system |
| 06/12/2013 | CN202994882U Current detecting device |
| 06/12/2013 | CN202994881U Relative error voltage detection circuit |
| 06/12/2013 | CN202994880U Capacitance-resistance voltage reduction type AC digital display ammeter |
| 06/12/2013 | CN202994879U Electric signal measurement device and device for on-line monitoring of storage-battery float-charging current |
| 06/12/2013 | CN103154758A Active and passive monitoring system for installed photovoltaic strings, substrings, and modules |
| 06/12/2013 | CN103154750A Method for determining proper wiring of multiple three-phase motors in a single system |
| 06/12/2013 | CN103154749A Voltage measurement device for plurality of assembled batteries |
| 06/12/2013 | CN103154748A Voltage monitoring device of plural assembly battery |
| 06/12/2013 | CN103154670A Disaggregation apparatus, method and program |
| 06/12/2013 | CN103152955A Light emitting diode (LED) current detection and control circuit and controller thereof |
| 06/12/2013 | CN103151655A Extension socket with power parameter monitoring function |
| 06/12/2013 | CN103149890A Current convergence monitoring device |
| 06/12/2013 | CN103149500A Method for locating current consumer points, processing device, current sensor and associated current meter |
| 06/12/2013 | CN103149495A Comprehensive test instrument for testing multi-path conducting wire\connector |
| 06/12/2013 | CN103149466A Electrolytic machining spark detection device |
| 06/12/2013 | CN103149463A System and method for heating ventilation and air conditioning component detection |
| 06/12/2013 | CN103149436A Inter-harmonic detection system of three-phase active power distribution network |
| 06/12/2013 | CN103149431A Multifunction watt-hour meter |
| 06/12/2013 | CN103149422A Current detection circuit |
| 06/12/2013 | CN103149421A High voltage cable metal sheath grounding current online monitoring system |
| 06/12/2013 | CN103149420A Battery separating device self-correcting voltage and current sampling method |
| 06/12/2013 | CN103149419A Alternating voltage inducing warning device |
| 06/12/2013 | CN103149418A Electroscope provided with alarm device |
| 06/12/2013 | CN103149417A Circuit measuring module and method for measuring voltage difference of power source device |
| 06/12/2013 | CN103149416A Three-phase shortcircuit current peak calculating method suitable for induction generator switching on distribution network |
| 06/12/2013 | CN103149415A High precision high frequency sin wave virtual value real-time detection method |
| 06/12/2013 | CN103149414A Current signal collector |
| 06/12/2013 | CN103149413A Piezoelectric actuation type optical fiber Bragg grating current sensor based on LPCT (low-power current transducer) and use method thereof |
| 06/12/2013 | CN103149412A Electric current transducer capable of being installed on line and manufacturing method |
| 06/12/2013 | CN103149411A Electric transmission line grounding fault point voltage transient value extracting method |
| 06/12/2013 | CN103149410A Distributed precision resistor with low load coefficient and implementation method thereof |
| 06/12/2013 | CN103149409A High-precision electrical signal measurement device and method |
| 06/12/2013 | CN103149408A Microcomputer protection device and current sampling circuit thereof |
| 06/12/2013 | CN103149407A Circuit arrangement |
| 06/12/2013 | CN103149405A Sensing head of all-fiber current transformer |
| 06/12/2013 | CN103149404A Clamp-on optical current transformer and anti-external magnetic field interference method and temperature drift inhibition method thereof |
| 06/12/2013 | CN102426286B Polarization voltage detection circuit used in electromagnetic flow meter |
| 06/12/2013 | CN102313836B Power switching circuit and overcurrent detection circuit |
| 06/12/2013 | CN102162833B Method and circuit for detecting working condition of relay in high voltage loop of electric automobile |
| 06/12/2013 | CN102109579B Signal monitoring system for controlling electric light source and signal monitoring method |
| 06/12/2013 | CN101907604B Semi-automatic AC/DC fluorescence magnetic prospecting set dedicated for connecting rod |
| 06/12/2013 | CN101772708B Voltage transformation circuit |
| 06/11/2013 | US8463571 Performing reliability analysis of signal wires |
| 06/11/2013 | US8463567 Presentation of unbalance information for electrical asset management |
| 06/06/2013 | WO2013079997A1 Adaptable voltage level detection with resistive ladder |
| 06/06/2013 | WO2013079686A1 System for measuring a load current and for diagnosing an absence of load or an overload |
| 06/06/2013 | WO2013078615A1 Devices, methods, and systems for sensing current |
| 06/06/2013 | WO2012126029A3 Method and apparatus for correcting phase currents of a three-phase machine |
| 06/06/2013 | US20130144768 Reporting circuit breaker and system |
| 06/06/2013 | US20130141077 Current meter |
| 06/06/2013 | DE102012109952A1 Steuerungs-Kommunikationssystem Control communication system |
| 06/06/2013 | DE102011121902A1 Widerstand, insbesondere Strommesswiderstand Resistance, in particular a current sensing resistor |
| 06/06/2013 | DE102011087832A1 Method for operating electromagnetic actuator e.g. injection valve, involves evaluating operating variable by evaluation unit using variable derived discrete wavelet transform (DWT) |
| 06/06/2013 | DE102011087678A1 Vorrichtung zur Erfassung des Zustands eines zu prüfenden Akkumulators An apparatus for detecting the condition of a battery to be tested |
| 06/06/2013 | DE102011087676A1 Verfahren und Vorrichtung zur Überprüfung einer Lautsprecheranordnung Method and apparatus for verifying a speaker assembly |
| 06/05/2013 | EP2598898A1 Determination of the fundamental frequency of a periodic signal including harmonic components |
| 06/05/2013 | EP2598897A2 Rectified sine wave detection for power factor correction circuit |
| 06/05/2013 | CN202978742U Inverter with display screen |
| 06/05/2013 | CN202975658U Family power supply monitoring device |
| 06/05/2013 | CN202975293U Intelligent power supply quality monitor system |
| 06/05/2013 | CN202975280U Measurement and control system for storage batteries |
| 06/05/2013 | CN202975239U Cable operation fault monitoring device |
| 06/05/2013 | CN202975217U Insulator monitoring device based on wireless transmission |
| 06/05/2013 | CN202975176U Electrical load monitoring device and electrical load monitoring system |
| 06/05/2013 | CN202975151U Manganese-copper sampler with anti-power frequency interference property |
| 06/05/2013 | CN202975144U Digital display electricity measurer applied to port mobile loading and unloading machine |
| 06/05/2013 | CN202975143U Detection circuit of automatic change-over switch electric appliance |
| 06/05/2013 | CN202975142U Measuring system based on analog to digital converter |