G01R 35 - Testing or calibrating of apparatus covered by the other groups of this subclass

Patents for G01R 35 - Testing or calibrating of apparatus covered by the other groups of this subclass (8,105)
12/2009
12/23/2009	EP2135044A1 Diagnosing an electronic sensor
12/23/2009	CN201368913Y Multifunctional meter convention filed detecting system
12/23/2009	CN201368912Y Standard resistor for tracing the value of large-current micro-ohm resistor
12/23/2009	CN101609136A Voltage transformer secondary voltage drop tester and phase-angle difference testing method thereof
12/23/2009	CN101609135A PT load online detector and detecting method
12/23/2009	CN101609134A Voltage calibration method for electro-optical detector
12/23/2009	CN100573184C Regulating method for electrical energy meter accuracy
12/23/2009	CN100573183C Direct-reading instrument full-automatic verification method and device thereof
12/23/2009	CN100573162C Calibration standard
12/23/2009	CN100573049C Azimuth measurement device
12/22/2009	US7636641 Data compaction techniques
12/22/2009	US7635976 Surveying of buried pipelines
12/17/2009	WO2009151648A1 Calibration technique
12/17/2009	US20090312984 System and method for objective self-diagnosis of measurement device calibration condition
12/16/2009	CN201364383Y Automatic metering calibrating device for leakage current instrument
12/16/2009	CN201364382Y Testing device used for relay protection device of zinc oxide lightning arrester
12/16/2009	CN101604009A Method for verifying universal electronic type mutual inductor
12/10/2009	WO2009147199A1 Trl calibration method for a microwave module and a set of standard modules
12/10/2009	WO2009146547A1 Methods and apparatus for battery testing
12/10/2009	US20090302865 Method and device for measuring the thickness of a layer of material
12/10/2009	CA2749334A1 Methods and apparatus for battery testing
12/09/2009	EP2131205A1 Magnetic sensor and its sensitivity measuring method
12/09/2009	CN201359635Y High voltage electroscope-used power frequency sine wave signal generator
12/08/2009	US7630849 Method of automated calibration and diagnosis of laboratory instruments
12/03/2009	US20090295411 Occupant Detection System and Method for Calibrating
12/03/2009	US20090295373 Integrated circuit with tracking logic
12/02/2009	CN101592719A Method and system for testing current transformer
12/02/2009	CN101592718A High-pressure electroscope field detector
12/02/2009	CN101592717A Method and system for automatically calibrating electrical instrument
12/02/2009	CN101592716A Method and system for testing potential transformer test
12/02/2009	CN101592695A Dynamic performance test method for synchronous phasor measurement unit PMU
12/02/2009	CN101592683A Three-phase electronic multi-rate electric energy meter
11/2009
11/26/2009	US20090290686 Artifact reduction system and method for radiological imaging system
11/25/2009	CN101587176A Instrument for lightning arrester monitor test
11/25/2009	CN101587153A New relay protection checking apparatus
11/25/2009	CN101587143A CT charge on-line detection device and detection method
11/25/2009	CN101586958A Azimuth measurement device
11/25/2009	CN100562757C Test passage common and separate calibration method
11/24/2009	US7624323 Method and apparatus for testing an IC device based on relative timing of test signals
11/24/2009	US7623979 Calibration of tester and testboard by golden sample
11/18/2009	CN101581773A Carrier electric energy meter detecting method
11/18/2009	CN101581736A Sampling path self-identifying method of three-phase electric energy meter on-site check gauge
11/18/2009	CN101581735A Sampling path self-identifying method of single-phase electric energy meter on-site check gauge
11/18/2009	CN100561249C Giant magnetoresistance sensor characteristic detection device and method
11/17/2009	US7620514 Method and arrangement for correcting an angle-measuring and/or distance-measuring sensor system
11/17/2009	US7619423 Direct method and apparatus for testing anticorrosion performance of aqueous protective fluids with wire beam electrode sensors
11/12/2009	US20090281739 Magnetic field sensor
11/11/2009	CN201344974Y Automatic connection and test device for electric control or monitoring terminal and measuring instruments
11/11/2009	CN101576611A Method for monitoring current sensor angular difference online based on kernel independent component analysis
11/11/2009	CN101576610A Device and method for improving data sampling precision in oscillograph
11/11/2009	CN101576609A Verifying device for relay protection experimental instrument
11/10/2009	US7617059 Method and apparatus for measuring the duty cycle of a digital signal
11/05/2009	WO2009132437A1 Apparatus and method for improving the accuracy of measurements taken with a capacitance- type sensor
11/05/2009	US20090276177 Network analyzer, network analyzing method, program, and recording medium
11/05/2009	US20090273340 Self-calibrating magnetic field monitor
11/05/2009	US20090273339 Calibration method and calibration apparatus for a hand-held locating device
11/04/2009	CN201340454Y High pressure mutual inductor mobile laboratory
10/2009
10/29/2009	DE112007002891T5 Verfahren zum Korrigieren eines Hochfrequenzcharakteristikfehlers elektronischer Komponenten A method for correcting a high-frequency characteristic error electronic components
10/28/2009	CN101566677A Test result evaluation method of fault recorder
10/27/2009	US7610164 System and method of constant power biasing circuit
10/27/2009	US7609082 System for measuring signal path resistance for an integrated circuit tester interconnect structure
10/27/2009	US7609051 Energy metering system
10/27/2009	CA2393416C Oscillator activated continuity testing switch
10/22/2009	WO2009127472A1 Electrical motor activation method having load torque adaptation
10/22/2009	WO2009127068A1 Electrical anomaly detection method and system
10/22/2009	CA2721250A1 Electrical anomaly detection method and system
10/21/2009	CN201331576Y Automatic meter-connecting device
10/21/2009	CN201331575Y Special machine cabinet for electric energy identification device
10/21/2009	CN101561482A Electric power transformer field calibration vehicle
10/21/2009	CN101561481A Method for calibrating high-frequency electric field probe
10/15/2009	US20090259425 System and method for integrated circuit calibration
10/15/2009	US20090258445 Multi-variable regression for metrology
10/15/2009	US20090256578 Anti-pinch sensor
10/15/2009	US20090256549 Controlling method of calibrating the air-core pointer assembly and device thereof
10/15/2009	DE102008018642A1 Überwachungsschaltung und Verfahren zum Prüfen der Schaltung Monitoring circuit and method for testing the circuit
10/15/2009	DE102008000943A1 Diagnostizierbarer Hallsensor Diagnosable Hall sensor
10/15/2009	CA2720731A1 Transmitter power monitor
10/14/2009	CN201327517Y Integrated detection device of electric power terminal
10/14/2009	CN101556325A Method for quickly verifying electric energy error
10/14/2009	CN101556324A Pressure test device and method thereof for multi-epitope electric energy meter
10/14/2009	CN101556323A Digital electric energy meter checking device with actual loading checking
10/14/2009	CN101556322A Auto-calibration method for single-phase electric energy meter on-site calibrator split-core type current mutual inductor
10/14/2009	CN101556321A Auto-calibration method for split-core type current mutual inductor of three-phase electric energy meter on-site calibrator
10/14/2009	CN101556320A On-site calibrating method and device of capacitor voltage transformer
10/14/2009	CN101556319A Ground fault detection and calibration method and device for direct current system
10/14/2009	CN101556318A Self-adapting combiner delay time and synchronous electronic mutual inductor steady state checking device
10/14/2009	CN101556317A Anti-interference device for on-site calibration device of current transformer
10/14/2009	CN100550631C Pulse width modulating device
10/14/2009	CN100549705C Measurement error correcting method and electronic component characteristic measurement device
10/08/2009	WO2009124073A2 Acquiring phasors outside the frequency tracking range for power protective relays
10/08/2009	WO2009081001A3 Effluent consumption modular meter
10/08/2009	US20090254291 Acquiring Phasors Outside the Frequency Tracking Range for Power Protective Relays
10/08/2009	US20090251130 Multimeter having communications via measurement terminals and communication system for same
10/08/2009	US20090251103 Voltage detecting apparatus with voltage controlled oscillator and battery state control system
10/08/2009	US20090250616 Integrated multi-channel time-to-digital converter for time-of-flight pet
10/08/2009	DE102008016388A1 Vorrichtung zum Testen einer Schutz-, Mess- oder Zähleinrichtung als Bestandteil einer Mittel- oder Hochspannungsanlage, insbesondere eines Netzschutzrelais, einer Generatorschutzeinrichtung, eines Stromzählers etc. in einer Mittel- oder Hochspannungsanlage Apparatus for testing a protection, measuring or counting as part of a medium- or high-voltage system, in particular a power system protection relay, a generator protection system, an electric meter, etc. in a medium or high voltage installation
10/08/2009	DE102004042069B4 Phasenrauschkompensation für Spektralmessungen Phase noise compensation for spectral measurements
10/08/2009	CA2719513A1 Acquiring phasors outside the frequency tracking range for power protective relays
10/07/2009	EP2083278A9 Method and apparatus for determining location of phase-to-phase fault
10/07/2009	CN201322796Y Full-automatic standard apparatus of electric energy meter

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