Patents
Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286)
02/2014
02/26/2014CN103605004A Resonator and system for testing complex dielectric constant of slice medium
02/26/2014CN103605003A High precision method for measuring zero sequence capacitance of super/extra high voltage same-tower quadruple power transmission lines
02/26/2014CN103605002A Harmonic impedance measurement apparatus of electric power system
02/26/2014CN103605001A Charged-state current secondary circuit test coupling device
02/26/2014CN103605000A Method for online detecting internal resistance of storage batteries connected in parallel
02/26/2014CN103604999A Method for measuring IGBT module structural impedance
02/26/2014CN103604998A Method for measuring electric conduction loop resistance of circuit breaker
02/26/2014CN103604997A Resistance measurement system of strain gages for spacecraft
02/26/2014CN103604996A Device and method for measuring overhead stranded wire resistance temperature coefficient
02/26/2014CN103604995A Electrode polarization correction method applied to liquid impedance measurement
02/26/2014CN103604994A Test method of electrode impedances of electrochemical power supply and electrochemical energy storage device and apparatus thereof
02/26/2014CN103604993A Measuring device and measuring method for dynamic contact resistors of conductive devices
02/26/2014CN102565600B Method for determining and testing ohmic contact between black silicon material and metal electrode
02/26/2014CN102507996B Probe card lifting mechanism
02/26/2014CN102446900B Electromigration reliability test structure for multilayer of metal interconnected metal wires
02/26/2014CN102385009B Measuring device for capacitance and method thereof
02/26/2014CN102193061B Checking method of circuit substrate and checking device thereof
02/25/2014US8661285 Dynamically calibrated DDR memory controller
02/25/2014US8659407 Sensor device for capacitively ascertaining distance
02/25/2014US8659307 Capacitive sensors for monitoring load bearing on pins
02/25/2014US8659306 Parasitic capacitance cancellation in capacitive measurement applications
02/25/2014US8659305 Detection device for detecting impedance of sensor element in gas sensor and sensor unit equipped with detection device
02/25/2014US8659304 High frequency characteristic measuring device
02/25/2014US8659303 Occupant detection sensor testing apparatus and method
02/20/2014WO2014028684A1 Capacitive sensor
02/20/2014US20140049275 Compensating circuit having programmable capacitance array for measuring ac voltage
02/20/2014US20140049274 System for measuring material levels using capacitance and time domain reflectometry sensors
02/20/2014US20140049273 Capacitive Sensor
02/20/2014US20140049272 Dual electrode occupant detection system and method
02/20/2014US20140049271 Self-shielding co-planar touch sensor
02/20/2014US20140049270 Method and device for analyzing positions
02/20/2014US20140049269 System for measuring electrical charge
02/20/2014US20140049268 Method And Apparatus For For Monitoring Physical Properties
02/19/2014EP2697879A1 Monitoring device for an isolated network of a photovoltaic system
02/19/2014EP2697661A1 Method and apparatus for determining a fault current portion in a differential current
02/19/2014CN203444281U Water quality detection and control circuit of electric water heater
02/19/2014CN203444018U Online monitoring system of transformer bushing
02/19/2014CN203444017U Circuit applied to high-speed capacitance meter and used for contact detecting of measured piece and initiating of measurement
02/19/2014CN203444016U Resistance measuring device for circuit breaker comprising varistor
02/19/2014CN203444015U Test system for conductivity of metal conductive wire
02/19/2014CN203444014U Device for detecting resistivity
02/19/2014CN203444013U Direct-current resistance tester
02/19/2014CN203439852U Quick take-up and pay-off reel for grounding resistance meter
02/19/2014CN103597364A Device for detecting a defect in insulation
02/19/2014CN103592563A Direct current system insulation on-line monitoring device
02/19/2014CN103592537A Electric line fault alternating-current impedance fast tracking and judging method
02/19/2014CN103592518A Method for measuring capacitor dielectric loss and capacitance of capacitor voltage transformer
02/19/2014CN103592517A Method and system for testing antenna impedance
02/19/2014CN103592516A Portable insulation resistance tester for hand-held electric tool
02/19/2014CN103592499A High-reliability multi-channel nA-level micro-current transmission design method
02/19/2014CN103591991A Electromagnetic flow meter with fluid impedance measurement
02/19/2014CN102508179B Device and method for detecting force electromagnetic coupling behavior of giant magneto resistive film
02/18/2014US8654931 Communication channel capacity estimation
02/18/2014US8654090 Touch panel and display device
02/18/2014US8653839 Zinc oxide sulfur sensors and method of using said sensors
02/18/2014US8653838 Soot sensor
02/18/2014US8653837 Sensor system for monitoring surroundings on a mechanical component and a method for activating and evaluating the sensor system
02/18/2014US8653836 Coordinate detecting device
02/18/2014US8653835 Device for measuring distance between headrest and head, method for measuring distance between headrest and head, headrest position adjusting device, and headrest position adjusting method
02/18/2014US8653834 Input device with floating electrodes having at least one aperture
02/18/2014US8653833 Self calibrating high throughput integrated impedance spectrometer for biological applications
02/18/2014US8653830 Optically stimulated differential impedance spectroscopy
02/18/2014US8653828 Apparatus for treating tissue with microwave radiation and antenna calibration system and method
02/13/2014WO2014024692A1 Derivation method for equivalent circuit model of power supply smoothing lc filter
02/13/2014WO2014023656A1 Method of measuring parameters s in pulsed mode
02/13/2014US20140046611 Grain bin capacitive moisture sensor system
02/13/2014US20140043048 Grain bin capacitive moisture sensor system and method
02/13/2014US20140043046 Electromagnetic scanning imager
02/13/2014US20140043043 Method of analyzing patching panels
02/13/2014US20140043039 Impedance measurement system, impedance measurement method and program
02/13/2014DE102011107721B4 Verfahren und Vorrichtung zur Messung elektrischer Ströme mit Hilfe eines Stromwandlers Method and apparatus for measuring electric currents with the aid of a current transformer
02/13/2014DE102007020882B4 Einrichtung zur Überprüfung der Befestigung einer Leiterbahnplatte an einem Träger Means for checking the attachment of a printed-circuit board to a support
02/12/2014EP2694988A1 Method and system for detecting a short-circuit affecting a sensor
02/12/2014EP2694986A1 Transmission line parameter determination
02/12/2014CN203433046U Electric power line parameter identification device based on steady state remote sensing technology
02/12/2014CN203433045U Ground resistance test device
02/12/2014CN203433044U Detonator resistance sorter
02/12/2014CN203433043U Megger improved structure
02/12/2014CN203433042U Embedded digital megohmmeter
02/12/2014CN203432997U Conductive asphalt concrete test block and experiment apparatus
02/12/2014CN103580556A Motor control device and insulation degradation detection method of motor
02/12/2014CN103580555A Motor controlling device and method of detecting insulation degradation in a motor
02/12/2014CN103579957A Wire stripper
02/12/2014CN103576311A Variable wavelength interference filter, optical filter device, optical module, electronic apparatus
02/12/2014CN103576068A General electric derivative tester for semiconductor laser
02/12/2014CN103576002A Method for calculating dielectric loss angle of compatible insulating device
02/12/2014CN103576001A Detection method of filter capacitor of input circuit of automobile electronic module
02/12/2014CN103576000A Inductance test circuit
02/12/2014CN103575999A Real-time loss on-line monitoring and early warning system of transformer
02/12/2014CN103575998A Method for testing resistance of non-junction transistors
02/12/2014CN103575997A High-voltage digital insulation resistance tester
02/12/2014CN103575996A Antenna detection device
02/12/2014CN103575995A Detection system for detecting impedance variation in a neutral conductor, and transformer station comprising such a system
02/12/2014CN103575994A Portable automatic resistance tester
02/12/2014CN103575969A Device and method for measuring voltage and resistance of communication line
02/12/2014CN103575955A Electric power information obtaining method
02/12/2014CN102353845B Self-compensated dual-circuit conductivity detection monitor with symmetrical leads
02/12/2014CN102353844B Detecting and monitoring method of two-way electrical conductivity detecting and monitoring device with symmetrical lead self-compensation
02/12/2014CN101975892B Loss computing method of saturation resistor for converter valve
02/11/2014US8650447 Apparatus and methods for controlled error injection
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