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)
12/2013
12/05/2013	DE102012209177A1 Batteriesystem mit separat angeschlossener Bestimmungsschaltung sowie Batterie und Kraftfahrzeug mit Batteriesystem Battery system with separately attached determining circuit, battery and motor vehicle battery system
12/05/2013	DE102012209174A1 Battery connected with propulsion system of motor vehicle, has battery control unit which is provided with current sensor that is connected between battery modules for detecting current of battery
12/05/2013	DE102012209138A1 Method for aging determination of fuse in battery system connected to propulsion system of e.g. motor car, involves measuring flowing stream of fuse of battery system by battery control device
12/05/2013	DE102010023810B4 Verfahren, System, Computerprogramm und Computerlesbares Speichermedium zum Messen und Steuern von Energie in lokalen Verteilnetzen Method, system, computer program and computer-readable storage medium for measuring and controlling energy in local distribution
12/04/2013	EP2669693A1 Parallel operation wire fault detection device and system
12/04/2013	EP2669690A1 Wireless system for measuring voltage distribution of arrester
12/04/2013	EP2669688A1 Device for measuring electrical current isolated from the current to be measured
12/04/2013	EP2668604A2 Signal identification methods and systems
12/04/2013	EP2668513A1 Device for detecting an earth connection fault of an electrical connector system
12/04/2013	EP2668512A1 Method for the contactless determination of an electrical potential of an object using two different values for the electric flux, and device
12/04/2013	CN203326662U Storage battery discharge undervoltage identification circuit
12/04/2013	CN203326557U Under-voltage and over-voltage safety protection circuit of modem
12/04/2013	CN203324477U Big Dipper positioning telemetric terminal
12/04/2013	CN203324451U Serial port communication-based wind turbine generator operation data acquisition device
12/04/2013	CN203324422U Device for detecting leakage current of resistance temperature detector
12/04/2013	CN203324368U Alternating-current parameter detection system for power system
12/04/2013	CN203324367U Voltage detection circuit
12/04/2013	CN203324366U Power supply voltage detection circuit
12/04/2013	CN203324365U Charge/discharge current detection device for storage battery
12/04/2013	CN203324364U Leakage-current early warning system for low-voltage distribution network
12/04/2013	CN203324363U Power failure detection system
12/04/2013	CN203324362U Test pencil
12/04/2013	CN203324361U Induction-type high-voltage voltage display
12/04/2013	CN203324360U Electrification protective and alarm circuit for on-off test of universal meter
12/04/2013	CN203324359U Wind turbine generator current acquisition device
12/04/2013	CN203324358U Household single-phase protector with power indicator
12/04/2013	CN203324357U Electronic voltage transformer used for detecting high voltage resistor current
12/04/2013	CN203324356U AC electricity testing indicator
12/04/2013	CN203324355U Microwave-system diverse self-checking circuit
12/04/2013	CN203324354U High-voltage suspended measuring instrument
12/04/2013	CN203324353U Current transformer with voltage sensor
12/04/2013	CN203324352U Electric measurement transducer screen current loop
12/04/2013	CN203324351U Array current sensor device for measuring dispersed grounding current
12/04/2013	CN203324350U Guide-rail type power supply detection host
12/04/2013	CN203324349U Novel current clamp capable of preventing fall and fastening
12/04/2013	CN203324346U Improved electric meter
12/04/2013	CN203317955U Special-purpose pen for substation
12/04/2013	CN103427810A 信号发生器电路 Signal generator circuit
12/04/2013	CN103427604A Switching circuits
12/04/2013	CN103426592A 电流变压器单元 Current transformer unit
12/04/2013	CN103424696A Ground fault detection methods on variable frequency drive systems
12/04/2013	CN103424666A Overhead line fault indicator with voltage detection function
12/04/2013	CN103424647A Soil body electrical response measuring device under lightning impulse action
12/04/2013	CN103424642A Multifunctional electric power meter with functions of multi-device dynamic intelligent identification and energy consumption division
12/04/2013	CN103424621A Artificial neural network detecting method of harmonic current
12/04/2013	CN103424609A Current sampling circuit based on sectional drive
12/04/2013	CN103424608A Low cost rapid high precision alternating voltage signal sampling system
12/04/2013	CN103424607A Optical current sensor and high-frequency signal measurement system
12/04/2013	CN103424606A Frequency-adaptive low-voltage power carrier communication zero-crossing detection circuit
12/04/2013	CN103424605A Zero-current detection circuit and method, and voltage conversion circuit
12/04/2013	CN103424604A Non-contact electrical inspection device
12/04/2013	CN103424603A Electrosurgery output power detection device
12/04/2013	CN103424602A Secondary winding current detection circuit based on source electrode drive
12/04/2013	CN103424601A Voltage detecting circuit
12/04/2013	CN103424600A Voltage sag source identification method based on Hilbert-Huang transformation and wavelet packet energy spectra
12/04/2013	CN103424599A Improved thermally stimulated current measuring device
12/04/2013	CN103424598A Output voltage detection circuit for inverter system and inverter system
12/04/2013	CN103424597A Current detecting mechanism capable of detecting ground fault for direct current circuit breaker
12/04/2013	CN103424596A Acquiring and amplifying device of passive AC micro-current
12/04/2013	CN103424595A Mining explosion-proof type volt-ammeter structure
12/04/2013	CN103424592A Mixed current sensor and method for fitting said sensor
12/04/2013	CN102539920B Multipurpose induction conductivity measuring electrode
12/04/2013	CN102508015B Three-in-one real-time load curve construction method for railway power supply system
12/04/2013	CN102445592B Vacuum switch and cable connection electricity testing device
12/04/2013	CN102445584B Method for testing working voltage of electronic tag
12/04/2013	CN102053199B Digital optical fiber current sensor
12/03/2013	US8599029 Electrical circuit identification means
12/03/2013	US8598912 Transistor voltage threshold mismatch compensated sense amplifiers and methods for precharging sense amplifiers
12/03/2013	US8598865 Measuring device with a measuring- and operating electronics for monitoring a measurement signal
11/2013
11/28/2013	WO2013176348A1 Apparatus and method for diagnosis of fault of 3-level t type inverter switch
11/28/2013	WO2013175620A1 Power conversion device
11/28/2013	WO2013174198A1 Method for dynamically processing abnormal sampling value of digital protection, measurement and monitoring device
11/28/2013	WO2013021179A3 A controller for a voltage converter
11/28/2013	WO2013016382A3 System for measuring current and method of making same
11/28/2013	US20130314108 Ac voltage measurement circuit
11/28/2013	US20130314083 Mixed current sensor and method for fitting said sensor
11/28/2013	DE102013008882A1 Signalerzeugungseinrichtung und Signalerzeugungsverfahren Signal generating means and signal generating method
11/28/2013	DE102012010487A1 Verfahren und Vorrichtung zum Bewerten eines Alterungszustands einer Batterie Method and apparatus for evaluating an aging condition of a battery
11/28/2013	DE102012010486A1 Verfahren und Vorrichtung zum Bewerten eines Alterungszustands einer Batterie Method and apparatus for evaluating an aging condition of a battery
11/27/2013	EP2667208A1 Electronic integrated sensor system, method of estimating the value of a functional physical quantity and a corresponding computer program
11/27/2013	EP2667206A1 Transient recovery voltage measuring device, transient recovery voltage measuring method, and transient recovery voltage measuring program
11/27/2013	EP2666027A2 Differential current monitoring for parallel-connected batteries
11/27/2013	EP2666023A1 Current measuring device
11/27/2013	CN203313118U A frequency conversion compressor driver
11/27/2013	CN203312195U Circuit breaker with alarm device
11/27/2013	CN203312053U Electrical inspection type column switch operation tool
11/27/2013	CN203311764U LED display screen with current-monitoring and temperature-monitoring device
11/27/2013	CN203310982U Device for detecting filament current
11/27/2013	CN203310950U Power supply detector of water heater
11/27/2013	CN203310906U Frequency converter voltage detection circuit
11/27/2013	CN203310905U Signal acquisition assembly for electronic capacitive voltage divider
11/27/2013	CN203310904U Novel wireless electricity testing system
11/27/2013	CN203310903U Transformer iron core earth current online monitor
11/27/2013	CN203310902U Overvoltage surge current tester for secondary system of transformer station
11/27/2013	CN203310901U Circuit for measuring bridge current of three-phase bridge-type rectification circuit
11/27/2013	CN203310900U Current detection circuit for DC motor
11/27/2013	CN203310899U Integration testing board assembly for battery module testing
11/27/2013	CN203310898U Optical communication data acquisition module
11/27/2013	CN203310897U Portable transformer neutral point direct current measuring instrument having wireless transmission function
11/27/2013	CN203310896U Solar energy cell sheet reverse leakage current detection device

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