Patents
Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286)
04/2013
04/17/2013CN202886478U Large-current and direct-current resistor tester
04/17/2013CN202886477U Conductivity monitoring wireless conveyer
04/17/2013CN202886476U Apparatus for testing the single-phase short-circuit impedance of transformer
04/17/2013CN202886475U Direct current resistance measuring meter of three-phase inductive coil
04/17/2013CN202886474U Insulated resistance tester
04/17/2013CN202886473U 750-kV insulator detector for line hot-line work
04/17/2013CN202879643U Walking device of electrical insulator detector for hot-line work of 750 kV circuit
04/17/2013CN103051326A Interface circuit of micro electro mechanical system conductivity sensor
04/17/2013CN103048613A Systems and methods for monitoring electrical contacts
04/17/2013CN103048579A Monitoring device for insulation between direct-current buses and between buses and ground
04/17/2013CN103048550A Test system and test data calibration method of S-parameter of surface mount microwave device
04/17/2013CN103048549A Dielectric loss testing method and device of 500kV current transformer
04/17/2013CN103048548A Corona loss testing system and method of molded wire
04/17/2013CN103048547A Parameter designing method for smoothing reactor used for flexible direct-current power transmission
04/17/2013CN103048546A Input circuit for measuring liquid electricity conductivity
04/17/2013CN103048545A Device for determining the insulation resistance of a high-voltage battery system
04/17/2013CN103048544A Insulation resistance monitoring method of photovoltaic power generation system
04/17/2013CN103048543A Method and system for use with a vehicle battery
04/17/2013CN103048542A Device and system for measuring current calibration resistor
04/17/2013CN103048541A Testing method for conductivity change in service process of grounding material
04/17/2013CN103048538A Method for testing collective frequency of radio frequency card and tester for realizing method
04/17/2013CN103048515A Voltage tester having alternatively attachable or separable probes
04/17/2013CN103048514A Voltage tester having alternatively attachable or separable probes
04/17/2013CN102324808B Hollow cup motor commutator polishing and coil resistance measurement all-in-one machine
04/17/2013CN102279318B Online detection system of insulating resistance to ground of photovoltaic grid-connected inverter
04/17/2013CN102279317B Online detection method of insulating resistance to ground of photovoltaic grid-connected inverter
04/17/2013CN102262185B Test circuit for water resistance of instant heating-type electric water heater
04/17/2013CN102135571B Anti-interference measurement method for zero sequence impedance of super-high-voltage/ultrahigh-voltage multi-loop power transmission line
04/17/2013CN101995197B Interlocked digital display remote control exploder
04/17/2013CN101923114B Resistance phasing method for medium-voltage distribution line looped network
04/17/2013CN101806865B Detection device of internal resistance of cell
04/17/2013CN101680922B Impedance measurement of a power line
04/16/2013US8423851 Measured device and test system utilizing the same
04/16/2013US8421487 Method for extending the diagnostic capability of current regulators
04/16/2013US8421486 Oil-degradation detecting apparatus
04/16/2013US8421485 Detection device and detection system using the same
04/16/2013US8421484 Dielectric spectroscopy assays for screening of ion channel ligands
04/16/2013US8421483 Touch and force sensing for input devices
04/16/2013US8421482 Anti-pinching device
04/16/2013US8421481 Detection and mitigation of particle contaminants in MEMS devices
04/16/2013US8421480 Multidirectional switch member and electronic device having same
04/16/2013US8421479 Pulsed echo propagation device and method for measuring a parameter
04/16/2013US8421477 Resistance variation detection circuit, semiconductor device and resistance variation detection method
04/16/2013US8421438 Apparatus and method for diffusion sensing
04/16/2013US8421437 Array column integrator
04/11/2013WO2013052657A1 Conductivity measurement of fluids
04/11/2013WO2013050572A1 Resistivity meter capable of evaluating the resistivity of a floor using galvanic and electrostatic electric measurement methods
04/11/2013US20130089463 Turbine blade erosion sensor
04/11/2013US20130088248 Determination of series resistance of an array of capacitive elements
04/11/2013US20130088247 Readout apparatus and readout method for sensor array
04/11/2013US20130088246 Microcontroller with Optimized ADC Controller
04/11/2013US20130088245 Capacitive Inspection Of EUV Photomasks
04/11/2013US20130088244 Variable capacitance sensors and methods of making the same
04/11/2013US20130088243 Position sensing head with redundancy
04/11/2013US20130088242 Microcontroller with Sequencer Driven Analog-to-Digital Converter
04/11/2013DE102011115124A1 Measuring device for testing operation of Quartz crystal oscillator used in computer system, compares characteristic size of quartz crystal oscillator with previously measured reference value of reference crystal oscillator
04/11/2013DE102011084219A1 Verfahren und Vorrichtung zur Ermittlung eines Isolationswiderstands in geerdeten IT-Systemen A method and apparatus for determining an insulation resistance in grounded IT systems
04/11/2013DE102011054319A1 Vorrichtung zur Messung einer Normalkraft An apparatus for measuring a normal force
04/11/2013CA2851273A1 Conductivity measurement of fluids
04/10/2013EP2579052A1 Method for measuring resistance value of conversion resistance of current mode analog /digital converter
04/10/2013CN202870255U Molded case circuit breaker mechanical life and loop resistance detection device
04/10/2013CN202870254U Test device specially used for module type circuit breaker
04/10/2013CN202870185U PTC thermistor comprehensive parameter testing device
04/10/2013CN202870179U LCR measuring instrument
04/10/2013CN202870178U Contactless conductivity detector
04/10/2013CN202870177U Detection device
04/10/2013CN202870176U Direct-current grounding resistor detection device
04/10/2013CN202870175U Novel grounding resistance tester
04/10/2013CN202870174U Low energy consumption circuit for detecting insulating resistance of DC bus
04/10/2013CN202870173U High-frequency impedance tester
04/10/2013CN202870172U Control switch contact resistance detector
04/10/2013CN202870171U Measuring device of brush resistivity
04/10/2013CN202870170U Open type Kelvin bridge experimental instrument
04/10/2013CN202870169U Anti-high induced voltage interference actual measurement device for power frequency parameters of high voltage transmission line
04/10/2013CN103038962A Wire stripper
04/10/2013CN103033764A Adjustable integrated device for battery code scanning and testing
04/10/2013CN103033729A Insulation detection circuit and detection method used for battery box
04/10/2013CN103033706A Method utilizing isothermy relaxation current method for evaluating insulated overhead conductor
04/10/2013CN103033689A Direct current insulation monitoring device and method capable of compensating deviation of voltage to earth of positive pole and negative pole
04/10/2013CN103033688A Oven-controlled crystal oscillator inflection point resistance testing system
04/10/2013CN103033687A Cable connection fastening tester and test method thereof
04/10/2013CN103033686A Method for insulation fault monitoring with dynamic response characteristic
04/10/2013CN103033565A Acoustical emitting and resistivity joint monitoring device and monitoring method of fracture process of rock specimen
04/10/2013CN102163738B Method for automatically detecting voltage and internal resistance of battery and spraying code
04/10/2013CN102116801B Circuit and device for measuring protective conductor
04/10/2013CN102053226B Device and method for testing internal resistance of battery
04/10/2013CN102004930B Micro-capacitance measurement-based radio health monitoring system with shape memory alloy (SMA) composite structure
04/10/2013CN101991415B Electromagnetic sensors for tissue characterization
04/10/2013CN101963641B Conductor bundle detection system
04/09/2013US8415962 Transmission line based electric fence with intrusion location ability
04/09/2013US8415961 Measuring sheet resistance and other properties of a semiconductor
04/09/2013US8415960 Capacitance sensing apparatus
04/09/2013US8415959 Single layer transcapacitive sensing
04/09/2013US8415958 Single layer capacitive image sensing
04/09/2013US8415957 Capacitance measurement circuit and method
04/09/2013CA2433493C Low cost, on-line corrosion monitor and smart corrosion probe
04/04/2013WO2013048939A1 Transmitter monitoring and calibration system
04/04/2013WO2013048545A1 Sensor patterns with reduced noise coupling
04/04/2013WO2013048062A2 Method for removing noise through switching of scanning direction in capacitance type touch panel
04/04/2013WO2013016750A8 Method and device for detecting a deterioration in the state of an insulation in an operating electric machine
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