Patents
Patents for G01R 35 - Testing or calibrating of apparatus covered by the other groups of this subclass (8,105)
04/2014
04/16/2014CN102654539B Method for evaluating operation state of electronic instrument transformer
04/16/2014CN102650685B Method for assessing technical parameters of TEV (Transient Earth Voltage) partial discharge testing instruments for power systems
04/16/2014CN102621516B Electric energy meter operational abnormity judging method based on large-scale data application background
04/16/2014CN102495384B Transition resistance simulation device of on-load tap-changer of transformer
04/16/2014CN102478385B Probe card detection method and system
04/15/2014US8700550 Adaptive model training system and method
04/10/2014WO2014055285A1 System and method for on-board diagnosis of estimated battery state of charge
04/10/2014US20140100809 Correcting accumulated power in utility meters
04/10/2014US20140097828 Current-Monitoring Apparatus
04/10/2014DE102013204439A1 Device for computing size of electrical power supply i.e. power monitoring device, has controller comprising software that is utilized to calculate size of electrical power supply based on electrical signals and calibration parameters
04/10/2014DE102013200033A1 Verfahren und System zur Bestimmung von Streuparametern eines frequenzumsetzenden Messobjekts Method and system for determining scattering parameters of a frequency-converting DUT
04/09/2014EP2717061A1 Workpiece tray of concentrator or special transformer acquisition terminal
04/09/2014CN203535398U Electric energy meter and automatic-reading load-control terminal integrated debugging device
04/09/2014CN203535215U Electric energy meter calibration board automatic crimping device
04/09/2014CN203535214U Calibration device for electric energy meter
04/09/2014CN203535213U Switchable calibration device for different specifications of electric energy meters
04/09/2014CN203535212U On-site verification reactive power compensation device of capacitor voltage transformer
04/09/2014CN203535211U Novel electronic load box used for current transformer verification
04/09/2014CN203535210U Frequency characteristic testing device for all-fiber electronic current transformer
04/09/2014CN203535209U Detection bench of power quality monitoring device
04/09/2014CN203535208U Verification circuit and verification apparatus for digital electric energy meter calibration instrument
04/09/2014CN203535207U Modularized three-phase instrument calibrating device for smart grid
04/09/2014CN203535206U GIS partial discharging simulation system
04/09/2014CN103713275A Method judging electric energy meter metering inaccuracy abnormities based on multidimensional association rule algorithm
04/09/2014CN103713274A Multi-channel coil test system of magnetic resonance imaging platform
04/09/2014CN103713273A Fault diagnosis device of monitor for arrester leakage current
04/09/2014CN103713272A Offset test method
04/09/2014CN103713271A BMS current detection unit automatic calibration device and calibration method
04/09/2014CN103713270A Test device for logic analyzer forward channel
04/09/2014CN103713167A Electric energy meter terminal base and calibration structure thereof
04/09/2014CN102680931B Calibrating device for grounding connection parameter testing systems
04/09/2014CN102539960B Method for measuring variable ratio nonlinear primary current threshold value of current transformer
04/09/2014CN102426346B Power meter phase detection control system
04/09/2014CN102132166B Interconnect circuit board, skew measuring method and testing device
04/08/2014US8692561 Implementing chip to chip calibration within a TSV stack
04/03/2014WO2014048538A1 Device, arrangement and method for verifying the operation of electricity meter
04/03/2014US20140091784 Artificial Defect for Eddy Current Inspection
04/02/2014CN203520723U Multi-tap transformer device for simulating three-phase voltage source faults
04/02/2014CN203519821U Automation detection system pallet compatible with three-phase electric energy meter and special transformer III.
04/02/2014CN203519820U Automation detection system pallet compatible with three-phase electric energy meter and electricity information acquisition terminal
04/02/2014CN203519819U Automation detection system pallet compatible with three-phase electric energy meter and concentrator
04/02/2014CN203519818U Primary current special-purpose wire duct for field check meter
04/02/2014CN203519817U Portable communication port tester for electric energy meter
04/02/2014CN203519816U Terminal cover opening device
04/02/2014CN203519815U Movable electronic voltage transformer checking system
04/02/2014CN203519814U Multipurpose junction box for secondary voltage drop test line
04/02/2014CN203519813U Standard device for error calibration of electronic-voltage-transformer analog small signal
04/02/2014CN203519812U Current transformer on-site verifying unit
04/02/2014CN203519811U Multiple-position electric energy quality analytical test calibrating device
04/02/2014CN203519810U Electrostatic charge analyzer calibrating device
04/02/2014CN203519772U Automatic voltage withstand calibration device compatible with three-phase electric energy meter and electricity consumption information collection terminal
04/02/2014CN203519678U High-precision three-phrase AC simulation source having zero passage synchronization PPS output
04/02/2014CN103700235A Electricity consumption information gathering fault detection system and remote channel detection method therefor
04/02/2014CN103698737A Automatic demisting and dedusting device of electric energy meter
04/02/2014CN103698736A Automatic combined wiring instrument
04/02/2014CN103698735A Electric energy meter harmonic test device and method thereof
04/02/2014CN103698734A Method for testing virtual failures of intelligent ammeter based on simulation
04/02/2014CN103698733A Test wiring terminal component for metering electric energy
04/02/2014CN103698732A Magnetic-resonance radio-frequency coil performance evaluation method and system
04/02/2014CN103698731A Short-window power frequency component extraction algorithm used in transient saturation calculation of current transformer
04/02/2014CN103698730A Current transformer checking system of alternating current-direct current double power supplies
04/02/2014CN103698729A Method and device for determining balance capacity of battery management system
04/02/2014CN103698728A Tester for testing measurement accuracy of PMU (Pressure Measuring Unit) and testing method thereof
04/02/2014CN103698727A Method for monitoring short-circuit fault of current sensor of electric vehicle
04/02/2014CN103698691A Automatic detection calibration device and automatic detection calibration method of electric car bridge board
04/02/2014CN102508186B Storage device for cylindrical lithium ion cells
04/01/2014US8688399 Strobe-offset control circuit
04/01/2014US8686740 Calibration method for inertial drive actuator, and inertial drive actuator device
03/2014
03/27/2014WO2014044408A1 Current and/or voltage sensor device, and method of operation the same
03/27/2014US20140084956 Probe head test fixture and method of using the same
03/27/2014US20140084899 Precision reference circuit and related method
03/27/2014US20140083163 Electric input key
03/26/2014CN203502582U GIS electronic transformer test system based on disconnecting switch switching-on and switching-off capacitive small current
03/26/2014CN203502581U AIS electronic transformer test system based on disconnecting switch switching-on and switching-off capacitive small current
03/26/2014CN203502580U Checking system for online insulation monitoring device
03/26/2014CN203502579U System used for calibrating light source capable of simulating solar radiation spectrum
03/26/2014CN203502510U Automatic detection device of power distribution feeder terminal
03/26/2014CN203502453U Wireless public network communication module for three-phase intelligent electric energy meter
03/26/2014CN103675752A Electric energy meter rapid detection device and method thereof
03/26/2014CN103675751A Three-phase voltage and current analog power source for site metering device
03/26/2014CN103675750A Method and device to realize measurement chip electricity meter calibration
03/26/2014CN103675749A Performance detector of electric energy meter under direct current and even harmonic conditions
03/26/2014CN103675748A Ammeter detection device
03/26/2014CN103675747A System and method for automatically calibrating electrostatic discharge generator
03/26/2014CN103675746A High-voltage switch tester calibration device and calibration method
03/26/2014CN103675745A Checking system of on-line monitoring device for zinc oxide arrester and capacitive equipment
03/26/2014CN103675744A Calibration device and calibration method for superconducting quantum interference sensor
03/26/2014CN103675743A Electric simulation equipment
03/26/2014CN103675742A Remote measurement real load online detection method and device thereof
03/26/2014CN103675741A Simulated verification method and system for electric measuring instrument
03/26/2014CN103675740A Method and apparatus for measuring inter-axle included angle of three-component magnetometer
03/26/2014CN103675680A Detector and detection method for locomotive motor optical-electricity encoder
03/26/2014CN103675457A Microwave device impedance measurement calibration method
03/26/2014CN102331567B Inspection system and inspection method for optical signal outputting type non-conventional instrument transformer (NCIT)
03/26/2014CN102253355B System and method for inspecting small-signal output type unconventional mutual inductor
03/26/2014CN102087351B Watt-hour meter inspection quality real-time monitoring device and method
03/26/2014CN102043138B System and method for calibrating channel of oscilloscope
03/26/2014CN101975937B Smart card simulator device and using method thereof
03/25/2014US8680846 Circuits and methods for self-calibrating or self-testing a magnetic field sensor
03/20/2014WO2014043406A1 Illuminator for wafer prober
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