| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 05/15/2013 | CN103105520A Electrification testing device of capacitive equipment |
| 05/15/2013 | CN102243274B Method for measuring and calculating interface resistivity of Pb-Sn-Al laminated composite material |
| 05/15/2013 | CN102175920B Medical electrode plate quality identification and display device and method thereof |
| 05/15/2013 | CN102116802B Device and method for rapidly detecting electric resistivity of molten metal |
| 05/15/2013 | CN102033207B Automatic test equipment of Motorola lithium battery BP protection board |
| 05/15/2013 | CN101871975B System and method for testing cable transfer impedance time domain |
| 05/15/2013 | CN101629923B Method and device for electromagnetically measuring solution conductivity |
| 05/15/2013 | CN101438175B Microwave sensing for determination of loading of filters |
| 05/14/2013 | US8441270 AC detection circuit for power supply |
| 05/14/2013 | US8441269 Determining formation properties while drilling |
| 05/14/2013 | US8441268 Non-contact detection of surface fluid droplets |
| 05/14/2013 | US8441267 Inductive conductivity-measuring cell and method for operating such |
| 05/10/2013 | WO2013065734A1 Power supply apparatus |
| 05/10/2013 | WO2013025429A3 Contact-independent electrical conductance measurement |
| 05/09/2013 | US20130116956 Capacitance measurement circuit |
| 05/09/2013 | US20130113552 Offset compensation for sense amplifiers |
| 05/09/2013 | US20130113507 Voltage measurement |
| 05/09/2013 | US20130113506 System and method for sensing human activity by monitoring impedance |
| 05/09/2013 | US20130113502 Randomizing One or More Micro-Features of a Touch Sensor |
| 05/09/2013 | US20130113499 Method and apparatus for determining planar impedance tomography |
| 05/08/2013 | EP2588991A1 Field-portable impedance reader and method for quantitating parameters in an environment |
| 05/08/2013 | EP2588872A1 Apparatus and method for measuring the dissipation factor of an insulator |
| 05/08/2013 | EP2588871A1 Apparatus and method for measuring the dissipation factor of an insulator |
| 05/08/2013 | CN202929166U Power source assembly circuit board test equipment |
| 05/08/2013 | CN202929152U On-site testing device for secondary loop null line of voltage transformer |
| 05/08/2013 | CN202929125U Adjustable mutual induction experiment measurement apparatus |
| 05/08/2013 | CN202929124U Substation high-voltage shunt capacitor intelligent online monitoring system |
| 05/08/2013 | CN202929123U Circuit for measuring earth impedance of electrodes through transformer coupling and high-frequency excitation |
| 05/08/2013 | CN202929122U Online internal resistance instrument for series battery |
| 05/08/2013 | CN202929121U Discharge-type internal resistance instrument |
| 05/08/2013 | CN202929120U Self-checking precise battery internal resistance instrument |
| 05/08/2013 | CN202929119U Superimposed-type precise battery internal resistance instrument |
| 05/08/2013 | CN202929118U Voltammetry resistance measurement experimental device |
| 05/08/2013 | CN202929117U Positive-sequence impedance parameter measure apparatus for transmission line |
| 05/08/2013 | CN202929116U Battery tester |
| 05/08/2013 | CN202929115U Apparatus for rapid testing of PCB impedance |
| 05/08/2013 | CN202929114U Micro-powder conductivity test board |
| 05/08/2013 | CN202929113U On-line continuous testing apparatus for direct-current resistance of cable production line stranded conductor |
| 05/08/2013 | CN202929112U Apparatus for testing resistivity of solar cell material under low temperature |
| 05/08/2013 | CN202929111U Resistance detection equipment for surface mount inductor |
| 05/08/2013 | CN202929110U Metal clamp and equipment for measuring insulation resistance of dielectric |
| 05/08/2013 | CN202929108U Electric energy meter with function of energy saving |
| 05/08/2013 | CN103094477A Zirconium oxide resistance memorizer film preparation method and test method of resistance change property of zirconium oxide resistance memorizer film |
| 05/08/2013 | CN103091596A Balancing double-switching circuit and insulation detection device and method based on the same |
| 05/08/2013 | CN103091563A Calculation method of dielectric power factors of high-voltage electrical equipment |
| 05/08/2013 | CN103091562A Capacitance capacity measurement circuit |
| 05/08/2013 | CN103091561A Device obtaining direct current signals from alternative current and direct current superposition signals and method thereof |
| 05/08/2013 | CN103091560A Double line photovoltaic input insulation resistance detection circuit and detection method |
| 05/08/2013 | CN103091559A Amendatory international telecommunication union (ITU)-radio-photography (RP).1546-3 proposal |
| 05/08/2013 | CN103091558A Drawing circuit for resistance in photovoltaic grid-connected inverter direct current side noise source and method |
| 05/08/2013 | CN103091557A Insulation resistance monitoring for vehicles with high-voltage power net |
| 05/08/2013 | CN103091556A Measuring method and system of electronic tag matching impedance |
| 05/08/2013 | CN103091555A Method for measuring silicon epitaxy resistivity lateral distribution inside super junction deep groove |
| 05/08/2013 | CN102353480B Normal pressure applying device |
| 05/08/2013 | CN102156235B Short circuit test device and short circuit test method for inductor in radio-frequency circuit |
| 05/08/2013 | CN102135573B Device and method for measuring dielectric constant of low-loss medium |
| 05/08/2013 | CN102128986B Method and device for detecting standing-wave ratio of radio frequency front-end product |
| 05/08/2013 | CN101970166B Plasma unconfinement sensor and methods thereof |
| 05/08/2013 | CN101964377B Thin film characteristic measuring apparatus and method and thin film processing apparatus and method |
| 05/08/2013 | CN101846691B Reagent preparing apparatus and sample analyzer |
| 05/07/2013 | US8437976 Gas density transducer with a microprocessor executing an algorithm solving Van Der Waal's equation |
| 05/07/2013 | US8436936 Circuits and methods for calibrating actuator displacement |
| 05/07/2013 | US8436629 Device for the capacitive measurement of the quality and/or deterioration of a fluid, including a capacitive sensor that is mechanically uncoupled from the element in which it is encapsulated |
| 05/07/2013 | US8436628 Door position sensor |
| 05/07/2013 | US8436627 Serpentine touch sensor pattern |
| 05/07/2013 | US8436626 Cascaded-based de-embedding methodology |
| 05/02/2013 | WO2013062784A2 Rf power measurement with bi-directional bridge |
| 05/02/2013 | WO2013061363A1 Impedance detecting apparatus and impedance adjusting apparatus |
| 05/02/2013 | US20130110435 Self-bias calculation on a substrate in a process chamber with bias power for single or multiple frequencies |
| 05/02/2013 | US20130107410 Apparatus and method for measuring the dissipation factor of an insulator |
| 05/02/2013 | US20130106449 Current detection apparatus |
| 05/02/2013 | US20130106448 Test key structure and method for measuring step height by such test key structure |
| 05/02/2013 | US20130106446 Method for determining the roughness of an internal surface |
| 05/02/2013 | US20130106444 Capacitive measurement system and method |
| 05/02/2013 | US20130106443 Sensor having a transistor and imprint sites |
| 05/02/2013 | US20130106442 Apparatus and method for measuring the dissipation factor of an insulator |
| 05/02/2013 | US20130106441 Flexible Touch Sensor |
| 05/02/2013 | US20130106440 RF Power Measurement With Bi-Directional Bridge |
| 05/02/2013 | US20130106438 System and method for examining asymetric operations |
| 05/02/2013 | US20130106437 Insulation resistance monitoring for vehicles with high-voltage power net |
| 05/02/2013 | US20130106434 Electrostatic field interference testing apparatus and method using the same |
| 05/02/2013 | DE102012219563A1 Isolationswiderstandsüberwachung für Fahrzeuge mit Hochspannungs-Leistungsnetz Insulation resistance surveillance for vehicles with high-voltage power network |
| 05/01/2013 | CN202916365U Power source filter electrical performance parameter multifunctional testing device |
| 05/01/2013 | CN202916355U High-speed electromagnetic valve performance detection system |
| 05/01/2013 | CN202916347U Insertion loss test device of filtering and shielding integrated assembly |
| 05/01/2013 | CN202916346U Device for measuring internal resistance of batteries |
| 05/01/2013 | CN202916345U 电阻测量装置 The resistance measuring apparatus |
| 05/01/2013 | CN202916344U A high-temperature molten glass resistivity testing system |
| 05/01/2013 | CN202916343U Automatic detecting tool for anti-clamping induction strip for automobiles |
| 05/01/2013 | CN202915963U Electromagnetic flowmeter blank pipe detection circuit |
| 05/01/2013 | CN103081292A Solar combiner with integrated string current monitoring |
| 05/01/2013 | CN103080758A Ground fault detection circuit for ungrounded power source |
| 05/01/2013 | CN103080757A Device and method for detecting a ground fault |
| 05/01/2013 | CN103076501A Method for measuring dielectric properties of diamond anvil cells in situ |
| 05/01/2013 | CN103076500A Conductivity sensor in cofiring structure and manufacturing method thereof |
| 05/01/2013 | CN103076499A Volume resistivity detection device and detection method under coexistence of refrigerating machine oil and refrigerant |
| 05/01/2013 | CN103076498A Method of detecting conductivity of moist solid cable |
| 05/01/2013 | CN103076497A Insulation detection method based on low frequency impulse signal injection |
| 05/01/2013 | CN102156225B Capacitance tomography sensor with powder dielectric coefficient variation measurement electrode |
| 05/01/2013 | CN102135580B Capacitor detector |