Patents
Patents for G01R 35 - Testing or calibrating of apparatus covered by the other groups of this subclass (8,105)
07/2010
07/07/2010CN101770007A Electric energy meter test system and method thereof
07/07/2010CN101770006A Novel method for checking electronic transducer
07/07/2010CN101770005A DC electronic transformer calibration device and method
07/07/2010CN101770004A Automatic detection method for electric instrument
07/07/2010CN101769962A Electric energy meter detecting system and device for detecting contact resistance and method thereof
07/07/2010CN101339222B Current mutual inductor coil excitation characteristic test wire winding tool equipment
07/06/2010US7750622 Method of applying the analysis of scrub mark morphology and location to the evaluation and correction of semiconductor testing, analysis and manufacture
07/01/2010US20100166291 Apparatus for measuring and calibrating error of wafer prober
07/01/2010US20100164511 Diagnosing an electronic sensor
06/2010
06/30/2010EP2202528A1 Method for calibrating a transmission line pulse test system
06/30/2010CN201518057U Electric energy meter detecting device
06/30/2010CN201518056U Metering voltage detection loop of transformer station
06/30/2010CN101763522A Electric energy meter detecting system and method
06/30/2010CN101762801A Device for detecting electric energy meter error under harmonic condition by adopting watt-second method, and detecting method
06/30/2010CN101762800A Battery managing system testing platform
06/30/2010CN101762799A Method and system for online detection of voltage transformer precision
06/29/2010US7747405 Line frequency synchronization
06/24/2010US20100161265 9-term calibration method for network analyzers
06/24/2010US20100156447 Method for Calibrating a Transmission Line Pulse Test System
06/24/2010US20100156396 Device for calibration of a field transmitter
06/24/2010DE102009018703A1 9-Term Kalibrierverfahren für Netzwerkanalysatoren 9-term calibration method for network analyzers
06/23/2010EP2140281B1 Calibration adapter
06/23/2010CN201514474U Parameter test instrument of current transformer
06/23/2010CN201514473U Error positioning device of high-voltage electric power metering device
06/23/2010CN201514455U CT/PT comprehensive test instrument for electric power
06/23/2010CN101750597A Effectiveness calibrating method used for automatic testing equipment
06/23/2010CN101303401B RTC regulating apparatus of electrical energy meter and RTC automatic compensation correcting method
06/23/2010CN101261300B Method for measuring digital storage oscillographs storage depth
06/23/2010CN101213470B Methods and apparatus for optimizing an electrical response to a conductive layer on a substrate
06/23/2010CN101013152B Circuit and method for confirming sensor device and fault sensor element
06/22/2010US7743362 Automatic generation of application domain specific graphical programs
06/22/2010US7742893 Calibration circuit for calibrating an adjustable capacitance of an integrated circuit having a time constant depending on said capacitance
06/22/2010US7741857 System and method for de-embedding a device under test employing a parametrized netlist
06/22/2010US7741855 Calibration circuit for resistance component
06/17/2010US20100148761 Speed filter calibration apparatus and method for radio frequency metal detectors
06/17/2010US20100148757 Method of calibrating an instrument, a self-calibrating instrument and a system including the instrument
06/17/2010DE112008001834T5 Gerät, Verfahren, Programm und Speichermedium für Fehlerfaktormessung und Output-Messgerät und Input-Messgerät, die mit dem Gerät für Fehlerfaktormessung ausgestattet sind Device, method, program and storage medium for measurement error factor measuring device and input and output measuring instrument equipped with the device for measurement error factor
06/16/2010CN101738594A Tail meter processing method for automatic calibration of electric energy meter
06/16/2010CN101738593A Standard energy meter and correcting method of sampled signals thereof
06/16/2010CN101738592A Intelligent integrally calibrating device and system for transformer calibrator
06/16/2010CN101738591A On-site CVT integrated verification system
06/16/2010CN101221843B Double-spiral curve AC/DC difference calculable resistor, its production method, analyzing method and application
06/15/2010US7737712 Probe-testing device and method of semiconductor device
06/10/2010US20100145651 Self-calibration systems and methods
06/10/2010US20100145648 System and method for correcting sampling errors associated with radiation source tuning rate fluctuations in swept-wavelength interferometry
06/10/2010US20100145642 System and Method for Compensating for Potential and Current Transformers in Energy Meters
06/09/2010CN101726716A Method for measuring error of voltage transformer by nomography
06/09/2010CN101726715A Online calibration method for error characteristics of voltage transformer for power system
06/09/2010CN101726679A Detection device of control parameter of transformer iron core
06/09/2010CN101271152B Capacitance type equipment insulation on-line monitoring system calibration method and device
06/09/2010CN101231320B Undervoltage meter system detecting device based on virtual electric energy meter module
06/09/2010CN101144854B Electrical energy metering automatic verification integrative management platform system
06/08/2010US7734848 System and method for frequency offset testing
06/02/2010DE112008001948T5 Gerät, Verfahren, Programm und Speichermedium für Fehlerfaktormessung und Output-Korrekturgerät und Messgerät für einen Reflektionskoeffizienten, welches mit dem Gerät für Fehlerfaktormessung ausgestattet ist Device, method, program and storage medium for measurement error factor and output correction device and the measuring device for a reflection coefficient which is equipped with the device for measurement error factor
06/02/2010CN201498351U Secondary load box of current mutual inductor for metering high voltage
06/02/2010CN201498349U Secondary load box of voltage mutual inductor for metering high voltage
06/02/2010CN201497802U High-voltage three-phase combined mutual inductor testing device
06/02/2010CN201497801U Inspection device for pressure resistant tester
06/02/2010CN201497800U Automatic testing device for meter reading system
06/02/2010CN101718856A Calibration system of digital quantity input type electric energy meter
06/02/2010CN101718855A Time calibrating method and system thereof for ammeter calibration
06/02/2010CN101718854A Management method for ammeter in concentrator
06/02/2010CN101718853A Detecting device and detecting method of single-phase double-loop metering electric energy meter
06/02/2010CN101718852A Online detection and calibration method for Hall current sensor
06/02/2010CN101718851A Calibrating apparatus for electronic transducer calibration instrument based on alternating current bridge balance principle
06/02/2010CN101718850A Automatic online detection device for RTU
06/02/2010CN101718849A Automatic calibration system of charge/discharge detection instrument of storage battery
06/02/2010CN101221225B Calibration method and device for battery voltage sampling
06/02/2010CN101149425B Electronic electric energy meter debugging, checkout automated system
06/01/2010US7728576 Programmable multi-channel amplitude and phase shifting circuit
05/2010
05/26/2010CN201489108U Multifunctional meter connecting device of single-phase kilowatt-hour meter
05/26/2010CN201489107U Automatic crimping meter calibration device
05/26/2010CN201489106U Counting test calibrator of electrical energy meter
05/26/2010CN201489105U Voltage calibration device of frictional static electricity tester
05/26/2010CN201489104U GPIB interface-based automatic test system for power detector
05/26/2010CN201489103U Field detector for high-voltage electroscope
05/26/2010CN201489102U Voltage-withstand test instrument correcting device
05/26/2010CN201489044U High-voltage electroscope
05/26/2010CN101713819A System and method for checking universal meter
05/26/2010CN101713802A Fault on-line repairing method for satellite power supply and distribution test system
05/26/2010CN101713791A Correction method of nonlinear output of DC low-voltage standard source
05/26/2010CN101140320B Electrical energy meter calibration stand and checking method thereof
05/25/2010US7725281 Method for pole-zero adjustment in radiation measurement systems
05/25/2010US7723999 Calibration structures for differential signal probing
05/20/2010WO2010056431A2 Method and system for estimation of source impedence on electrical distribution lines
05/20/2010WO2009126254A4 Transmitter power monitor
05/20/2010CA2743580A1 Method and system for estimation of source impedence on electrical distribution lines
05/19/2010CN201477203U Capacitor type voltage transformer accuracy checking device
05/19/2010CN201477202U Insulating detection equipment maintenance device
05/19/2010CN201477175U Multifunctional test pencil
05/19/2010CN201477128U Portable current generator
05/19/2010CN101710147A Method to estimate the output current of an automotive generator
05/18/2010US7720228 Modulator autocalibration methods for quantum key distribution
05/18/2010US7719261 Methods and systems for calibrating a sensor using a vector field
05/18/2010US7719254 Method for setting a reference potential of a current sensor and arrangement for determining the reference potential of a power semiconductor device
05/13/2010US20100121594 Method and system for estimation of source impedence on electrical distribution lines
05/13/2010US20100121588 Apparatus, system, and method for improving the accuracy of state of health/state of charge battery measurements using data accumulation
05/13/2010US20100118627 Strobe-offset control circuit
05/13/2010US20100117639 Endurance testing system and method
05/12/2010EP2184587A1 Method and apparatus for time synchronization of events for multiple instruments
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