Patents
Patents for G01R 15 - Details of measuring arrangements of the types provided for in groups ,  or (13,411)
04/2014
04/02/2014CN103698585A Multi-range optical current sensor
04/02/2014CN103698583A Flake film pasting optical current sensor
04/02/2014CN103698572A All-fiber photoelectric current transformer
04/02/2014CN103698571A Current transformer equipment with effects of self energy supply and low consumption and bus current detecting method
04/02/2014CN102270534B Clamp-type current transformer
04/01/2014US8688393 Techniques for approximating a difference between two capacitances
04/01/2014US8686716 Electrical current and/or voltage sensor with a screening element for a source electrode and electrical field sensor
04/01/2014US8686713 In-water voltage gradient detector
03/2014
03/27/2014WO2014046246A1 Shunt resistance-type current sensor
03/27/2014WO2014045786A1 Resistor for detecting current
03/27/2014WO2014045559A1 Current sensor
03/27/2014DE112012002325T5 Verteiltes Elektrizitätszählersystem Distributed Electricity metering system
03/27/2014DE102012203753B4 Ein auf dem elektro-optischen Effekt basierender optischer Spannungswandler That is based on the electro-optical effect of optical voltage transformer
03/26/2014CN203502489U Improved circuit capable of expanding measurement scope of voltmeter
03/26/2014CN203502475U Switchable variable-ratio current transformer for off-grid electricity amount metering of wind power farm
03/26/2014CN203502474U Analog-type electronic-type voltage transformer
03/26/2014CN203502473U Digital-type electronic-type voltage transformer
03/26/2014CN203502472U Universal meter having remote display
03/26/2014CN203502471U Integrated electrical parameter detection circuit for monitoring terminal
03/26/2014CN203502470U Adaptive circuit for transformer area relation test host and transformer area relation test host
03/26/2014CN103681601A 半导体器件 Semiconductor devices
03/26/2014CN103680901A Double-shielded dry type mutual inductor
03/26/2014CN103680900A Double-shielded gas insulation mutual inductor
03/26/2014CN103680898A Fixed three-phase gas-insulated transformer
03/26/2014CN103675479A Fast-installation device for microwave module testing
03/26/2014CN103675445A Capacitive voltage mutual inductor with high-voltage harmonic measurement function and measurement method
03/26/2014CN103675441A Watt hour meter for DC600V train power supply device
03/26/2014CN103675432A Signal amplitude converting system applied to paper recorder
03/26/2014CN103675400A Sampling structure for current signal
03/26/2014CN103675392A FPGA implementation method of all-fiber current transformer harmonic division algorithm
03/26/2014CN103675391A Radial analyzer type optical voltage sensor
03/26/2014CN103675390A Radial analyzer type magneto-optical film current sensor
03/26/2014CN103675389A Alternating-current and direct-current dual-purpose voltage transformer
03/26/2014CN103675388A Multifunctional multimeter probe
03/26/2014CN103675387A Software control method and system of digital multimeter
03/26/2014CN103675386A Upflow transformer for low-voltage energization
03/26/2014CN103675385A Multi-channel sensing single-channel constant current measuring device
03/26/2014CN102565488B High-voltage AC (alternate current) and DC (direct current) voltage divider with heat dissipation structure
03/25/2014US8682602 Event recognition
03/25/2014US8680856 Arrangement for the potential-free measurement of currents
03/25/2014US8677607 Method of manufacturing magnetoresistive element
03/20/2014DE102012216712A1 Verfahren zur Ermittlung eines durch einen elektrischen Leiter fließenden Stromes A method for detecting a current flowing through an electrical conductor current
03/20/2014DE102012216554A1 Direct current measurement device for measurement system for measuring direct current component, has alternating current compensation winding, and primary core with alternating current to direct current compensation winding and pick-up coil
03/20/2014DE102012216553A1 Method for current measurement in primary conductor for e.g. long overhead lines for distributing electrical energy, involves adjusting compensation current based on regulating signal, and determining current based on adjusted current
03/19/2014EP2707655A1 Printed circuit board for a domestic appliance, domestic appliance, and a method for operating a domestic appliance
03/19/2014CN203490880U High-sensitivity electric meter used for experiments
03/19/2014CN203490280U Electric signal measuring circuit
03/19/2014CN203490272U High-voltage capacitor voltage divider
03/19/2014CN103649762A Current sensor substrate and current sensor
03/19/2014CN103645368A Transformation method of lightning arrester on-line monitoring type capacitive voltage transformer
03/19/2014CN103645367A Transformation method of lightning arrester outer leading type capacitive voltage transformer
03/19/2014CN103645366A Independent pillar combined type optical mutual inductor
03/19/2014CN103645365A A voltage divider unit used for a voltage transformer, and a capacitor element and a resistor element thereof
03/19/2014CN103645364A Multipath analog signal summation transmitter
03/19/2014CN102662097B Broadband online measurement sensor for DC extra-high voltage corona current
03/18/2014US8676523 Method of detecting the position, in a signal received by a detector, of a wavefront corresponding to an event
03/18/2014US8675005 Waveform observing apparatus and system thereof
03/18/2014US8674682 Monitoring system and current transformers for partial discharge detection
03/13/2014WO2014038372A1 Current detection resistor
03/13/2014WO2014038027A1 Current probe, current measuring system, and current measuring method
03/13/2014WO2014037032A1 Measuring device, use of the measuring device, and method for measuring an alternating voltage
03/13/2014US20140070819 Technique for Determining Performance Characteristics Of Electronic Devices And Systems
03/13/2014DE102012109869B3 Montageanordnung mit einem Stromwandler und Messanordnung Mounting arrangement with a current transformer and measurement arrangement
03/13/2014DE10135924B4 Amplitudendetektierverfahren und Schaltung Amplitudendetektierverfahren and circuit
03/12/2014CN203481031U High-voltage transformer
03/12/2014CN203481030U Multifunctional high-voltage transformer
03/12/2014CN203481029U High voltage mutual inductor
03/12/2014CN203479903U Universal spectrum analyzer tracking source system
03/12/2014CN203479888U Overvoltage on-line detector
03/12/2014CN203479876U Digital multimeter based on PXI/PCI bus
03/12/2014CN203479875U Hot plugging device of GPRS module of three-phase multi-functional table
03/12/2014CN203479874U Instrument positioning tray
03/12/2014CN203479873U Resettable incremental magnetic field elimination apparatus
03/12/2014CN203479872U Measuring head for measuring internal resistance and voltage of lithium battery
03/12/2014CN103635818A Current sensor
03/12/2014CN103635817A Current detection device
03/12/2014CN103635816A Current detection device
03/12/2014CN103632826A Current transformer and current detecting device
03/12/2014CN103632824A Annular symmetrical shunting type current transformer
03/12/2014CN103632823A Double-air-gap core electronic current transformer
03/12/2014CN103630814A Insulating dielectric loss angle tendency online monitoring method of high-voltage cables under cross interconnection
03/12/2014CN103630764A Multi-application wireless phase detector unit
03/12/2014CN103630732A Isolation passive high-voltage electrified indication device
03/12/2014CN103630727A Load checking ammeter
03/12/2014CN103630725A Rail vehicle high-voltage transformer and transformer circuit module power supply method
03/12/2014CN103630724A Self-calibration harmonic current transformer based on gapped iron core coil
03/12/2014CN103630723A Rogowski coil sensing head suitable for Rogowski coil current sensor
03/12/2014CN103048534B Modular multi-level flexible direct-current sub-module voltage acquiring circuit and realizing method thereof
03/12/2014CN102737826B Mutual inductor
03/12/2014CN102590576B Active photoelectric current transformer with wireless induction power supply function
03/12/2014CN102419390B Self-powered 3PT (Potential Transformer) three-phase three-line high-voltage electric energy measurement cabinet or measurement box capable of preventing ferromagnetic resonance for electronic type mutual inductor
03/12/2014CN101907652B Damping circuit current measuring device of high-voltage direct-current power transmission thyristor
03/12/2014CN101907651B Main circuit current measuring device for high-voltage DC transmission converter valve
03/11/2014US8669756 Test apparatus for a broadband telecommunication network
03/06/2014WO2014033034A1 Electric insulating arrangement
03/06/2014WO2014032395A1 Anti-interference switching value transmission circuit
03/06/2014WO2014032243A1 Current measurement system, optical current transformer and fixing device, and optical signal sampler and method therefor
03/06/2014US20140062459 Flexible current and voltage sensor
03/06/2014DE112012002142T5 Stromsensor Current sensor
03/06/2014DE102012215619A1 Lithium ion battery system for vehicle i.e. power train, has series arrangements fixed with measurement unit in network and provided with switches and measuring resistors, where resistors and terminals are connected with measurement unit
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