Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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06/12/2013 | EP2602695A1 Data input device with potentiometer and control stick for piloting an aircraft, the control stick including the data input device |
06/12/2013 | CN202998053U Interface circuit of conductivity sensor of micro-electro-mechanical system |
06/12/2013 | CN202995015U Movable-type reverse mirror-image method semi-iron core magnetic leakage experiment apparatus |
06/12/2013 | CN202994911U Warping elimination mechanism and SPDR (Split Post Dielectric Resonator) clamp |
06/12/2013 | CN202994910U On-line detector and system for non-contact grounding resistor |
06/12/2013 | CN202994909U Grounding state monitoring device for electrical equipment and grounding network of transformer station |
06/12/2013 | CN202994908U Device for measuring specific resistance of dust in electric field |
06/12/2013 | CN202994907U Insulation impedance detection system of photovoltaic inverter |
06/12/2013 | CN202994906U An apparatus having four probes for measuring resistivity of graphite fibers |
06/12/2013 | CN202994905U Resistance measuring circuit |
06/12/2013 | CN202994904U Apparatus for measuring working condition dust specific resistance |
06/12/2013 | CN103155417A Capacitance measurement circuit, sensor system and method for measuring a capacitance using a sinusoidal voltage signal |
06/12/2013 | CN103154713A Decoder unit for determining a substance or material structure of a detected object based on signals of a capacitive sensor and method for determining a substance or material structure of a detected object based on signals of a capacitive sensor |
06/12/2013 | CN103149483A Lightning arrester on-line monitoring method based on capacitance network |
06/12/2013 | CN103149453A Method for testing quadrature axis inductance and direct axis inductance of permanent magnet synchronous motors |
06/12/2013 | CN103149452A Method for evaluating ageing state of paper oil insulation |
06/12/2013 | CN103149451A Method for acquiring capacitance and inductance of double-frequency alternating current power filter |
06/12/2013 | CN103149450A Self-capacitance sensing circuit using charge compensation and self-capacitance sensing method |
06/12/2013 | CN103149449A Single-port coaxial line complex permittivity measuring device and method based on mode matching |
06/12/2013 | CN103149448A Capacitive sensor having electrodes arranged on substrate and flex circuit |
06/12/2013 | CN103149447A Detecting method of micro-capacitance of human body |
06/12/2013 | CN103149446A Auxiliary device for measuring electrical impedance of paper |
06/12/2013 | CN103149445A Method for measuring direct-current internal resistance |
06/12/2013 | CN103149444A Battery core internal resistance measuring method and battery core matching method |
06/12/2013 | CN103149443A Double-range resistance megohm meter |
06/12/2013 | CN103149442A Automatic testing device for contact resistor made of electrical contact material |
06/12/2013 | CN103149441A Portable impedance spectrum analyzer applied to electrochemical measurement and impedance spectrum analyzing method |
06/12/2013 | CN103149440A Non-contact type concrete resistivity testing instrument |
06/12/2013 | CN103149439A Device and method for testing electric conductivity of powder material and impedance of membrane electrode |
06/12/2013 | CN103149438A Brain electrical contacting resistance detection method and device |
06/12/2013 | CN103149389A Resistivity measuring clamp for silver alloy wires |
06/12/2013 | CN103149180A Detection device of soil spectral reflectivity and specific conductance and detection method thereof |
06/11/2013 | US8463563 Battery management system and driving method thereof |
06/11/2013 | US8461854 Systems and methods for characterizing a molecule |
06/11/2013 | US8461853 High voltage liquid dielectric test vessel |
06/11/2013 | US8461852 Methods and apparatus relating to fluidised beds |
06/11/2013 | US8461851 Systems for transverse electromagnetic mode in-situ soil testing |
06/11/2013 | US8461850 Time-domain measurements in a test and measurement instrument |
06/11/2013 | US8461473 External corrosion protection for underground pipes |
06/06/2013 | WO2013081845A1 High-side current measurement technique for multi-phase fluid |
06/06/2013 | WO2013081689A1 Core/shell structured electrodes for energy storage devices |
06/06/2013 | WO2013081310A1 A detection device of insulation resistance for non-interruption of electric power and hot-line |
06/06/2013 | WO2013079250A1 Method for the inspection of dielectric properties in electrical insulators |
06/06/2013 | WO2013078894A1 Alternating current source for detecting battery internal resistance in alternate current injection method and control method thereof |
06/06/2013 | US20130144548 Tomography of multiphase mixtures |
06/06/2013 | US20130141342 Touch-sensitive button with two levels |
06/06/2013 | US20130141123 Ph-meter capable of measuring conductivity and dissolved oxygen simultaneously |
06/06/2013 | US20130141121 "Robust Capacitive Measurement System", |
06/06/2013 | US20130141119 Substantially Edgeless Touch Sensor |
06/06/2013 | US20130141118 Capacitive Coupling of Bond Pads |
06/06/2013 | US20130141116 Conductivity Sensor |
06/06/2013 | US20130141114 Non-linear kerf monitor and design structure thereof |
06/05/2013 | EP2599173A1 Wire stripper |
06/05/2013 | EP2598895A1 Techniques for approximating a difference between two capacitances |
06/05/2013 | EP2598862A2 Device for determining properties of a fluid by means of a coaxial resonator shorted at one end by a plate through which the fluid flows |
06/05/2013 | CN202975280U Measurement and control system for storage batteries |
06/05/2013 | CN202975225U Misoperation preventive device for power transmission lines |
06/05/2013 | CN202975219U Direct current bus and ground insulation monitoring device |
06/05/2013 | CN202975173U Ground capacitance measuring instrument in transformer substation power distribution system |
06/05/2013 | CN202975172U Conductivity sensor with cofiring structure |
06/05/2013 | CN202975171U Device for detecting dialysate conductivity of hemodialysis machine |
06/05/2013 | CN202975170U Ground wire needle holder |
06/05/2013 | CN202975169U DC system ground insulation detection circuit based on DSP |
06/05/2013 | CN202975168U Transformer rapid DC (Direct-current) resistance demagnetization testing instrument |
06/05/2013 | CN202975167U Test system for synchronously measuring and reading resistivity irregular factor in consolidation experiment |
06/05/2013 | CN202975166U Monitoring circuit for insulation impedance of photovoltaic grid-connected inverter |
06/05/2013 | CN202975165U Constant-temperature crystal oscillator knee point resistance testing system |
06/05/2013 | CN202975164U Device for measuring contact resistance of heavy-current switch |
06/05/2013 | CN202975163U Measuring bridge and protector therefor |
06/05/2013 | CN202975162U 低电阻测试仪 Low resistance tester |
06/05/2013 | CN202975161U Device for automatically measuring impedance of grounding grid |
06/05/2013 | CN202975160U Novel measuring system for air reactor thermal resistance |
06/05/2013 | CN202975159U Device for testing sheet resistance of lithium ion battery diaphragm |
06/05/2013 | CN202975158U Vehicle electric sliding door anti-pinch strip detection circuit |
06/05/2013 | CN202975157U Conductor resistance testing device |
06/05/2013 | CN202975154U Electromagnetic coupling resonance coil parameter measuring system |
06/05/2013 | CN202974929U Wireless-sensor-network-based multi-parameter monitoring device for vertical gradient of soil |
06/05/2013 | CN202974924U Online earth resistivity monitoring system |
06/05/2013 | CN103137606A Resistance test structure and method |
06/05/2013 | CN103137605A Test structure and manufacturing method of monitoring leakage source polycrystalline silicon and pipe side wall stray capacitance |
06/05/2013 | CN103137604A Test structure of resistance penetrating through contacting holes of silicon wafer and test method |
06/05/2013 | CN103135138A Detecting device, power receiving device, contactless power transmission system, and detecting method |
06/05/2013 | CN103135038A Alternative current electric crosstalk and insulation fault monitoring line selection method of direct current system |
06/05/2013 | CN103134996A Mutual capacitance sensing circuit and method using charge compensation |
06/05/2013 | CN103134995A Information fusion method for transformer substation Internet of Things monitoring |
06/05/2013 | CN103134994A Testing circuit based on double level laminated busbar random induction and method thereof |
06/05/2013 | CN103134993A Separating method of capacitance among layers and in layers |
06/05/2013 | CN103134992A Insulation resistance estimation device and estimation method |
06/05/2013 | CN103134991A Equipment with resistance measurement device and method for measuring carbon brush contact resistance |
06/05/2013 | CN103134990A Resistance test method |
06/05/2013 | CN103134989A Measurement structure and method of interconnect wire resistance and capacitance |
06/05/2013 | CN103134988A Multichannel value of resistance automation measuring system |
06/05/2013 | CN103134987A Battery internal resistance state test method based on battery electrode heat effects |
06/05/2013 | CN103134986A Resistance testing structure and method |
06/05/2013 | CN102288826B Impedance probe head with two-in-one characteristic |
06/05/2013 | CN102230948B Active high voltage direct current switch oscillation loop parameter on-line measuring system and method thereof |
06/05/2013 | CN102183693B Electrodes for high pressure in situ resistivity survey and manufacturing method of electrodes |
06/05/2013 | CN102095949B Method for representing performance parameters of piezoelectric materials |
06/04/2013 | US8457919 Process for testing the resistance of an integrated circuit to a side channel analysis |
06/04/2013 | US8456182 Current localization tracker |