| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 05/01/2013 | CN102081119B Electrostatic grounding protection device for detecting grounding resistances |
| 05/01/2013 | CN102023257B Semiconductor apparatus and method for detecting working condition of plasma flood gun (PFG) |
| 05/01/2013 | CN101769713B Internal resistance detection method of internal layer line layer copper thickness in multi-layer printing circuit board |
| 04/30/2013 | US8432175 System and method for evaluating vehicle charging circuits |
| 04/30/2013 | US8432174 Interrogation circuit for a nanowire sensor array and a method for interrogating a nanowire sensor array |
| 04/30/2013 | US8432173 Capacitive position sensor |
| 04/30/2013 | US8432172 Measuring apparatus and method for capacitor |
| 04/30/2013 | US8432171 Method and apparatus for measuring the concentration of an analyte in a sample fluid |
| 04/30/2013 | US8432170 Integrated capacitance model circuit |
| 04/30/2013 | US8432169 Proximity sensor |
| 04/30/2013 | US8432150 Methods for operating an array column integrator |
| 04/30/2013 | US8432149 Array column integrator |
| 04/25/2013 | WO2013058464A1 Intensified sensor array for static electricity |
| 04/25/2013 | WO2013057574A1 Cell and method for electrical measurements of highly reactive powder and liquid samples |
| 04/25/2013 | US20130103988 Semiconductor device |
| 04/25/2013 | US20130103335 Apparatus for Measuring the Local Electrical Resistance of a Surface |
| 04/25/2013 | US20130099807 Load impedance detection for static or dynamic adjustment of passive loads |
| 04/25/2013 | US20130099806 Long Range, Battery Powered, Wireless Environmental Sensor Interface Devices |
| 04/25/2013 | US20130099805 Determining actuation of multi-sensor-electrode capacitive buttons |
| 04/25/2013 | US20130099804 Apparatus and method for measuring capacitance in touch sensor |
| 04/25/2013 | US20130099802 Input device with force sensing |
| 04/25/2013 | US20130099801 Diagnostic methods and apparatus for an accelerator using induction to generate an electric field with a localized curl |
| 04/25/2013 | US20130099800 Algorithm and implementation system for measuring impedance in the d-q domain |
| 04/25/2013 | US20130099799 Method for measuring interface state density |
| 04/25/2013 | US20130099798 Measurement device and method thereof |
| 04/25/2013 | US20130098890 Capacitive sensing system configured for using heating element as antenna electrode |
| 04/25/2013 | US20130098842 Method for evaluating performance of a lime softening clarifier |
| 04/25/2013 | DE102012219425A1 Verfahren zur sequentiellen Impedanzmessung, Messvorrichtung und Brennstoffzellensystem A method for sequential impedance measurement, measuring apparatus and fuel cell system |
| 04/25/2013 | DE102012020515A1 Stromsensor und Verfahren zur Detektion eines stromlosen Zustands Current sensor and method for detecting an electroless state |
| 04/25/2013 | DE102011054770A1 Method for continuous real-time detection of unintentional isolated operation during supplying of current signal into low voltage system, involves carrying out detection of frequency range and/or calculation of impedance in real-time |
| 04/24/2013 | CN202903935U A multifunctional portable line detector |
| 04/24/2013 | CN202903917U Test tool for annular inductance |
| 04/24/2013 | CN202903903U Online apparatus of parallel compensation capacitor group of transformer substation |
| 04/24/2013 | CN202903894U Junction capacitance test circuit and device for 62mm power device |
| 04/24/2013 | CN202903893U A capacitance detecting circuit |
| 04/24/2013 | CN202903892U A transformer station capacitance on-line monitoring device based on a wireless mode |
| 04/24/2013 | CN202903891U Portable meter box |
| 04/24/2013 | CN202903890U Ground resistance test device |
| 04/24/2013 | CN202903889U Detection system without switching tube of double-channel photovoltaic inverter insulation resistor to ground |
| 04/24/2013 | CN202903888U Full-automatic digital megohmmeter |
| 04/24/2013 | CN202903887U Nitrogen-oxygen sensor heating detection circuit |
| 04/24/2013 | CN202903886U Convenient and fast test probe for resistivity in well |
| 04/24/2013 | CN202903885U Transformer insulation resistor simulation device |
| 04/24/2013 | CN202903884U Inverter insulation resistance detection circuit |
| 04/24/2013 | CN202903883U Device of testing piezoresistive performance of material |
| 04/24/2013 | CN202903882U Digital insulation resistance tester having protection circuit |
| 04/24/2013 | CN202903881U Singlechip-based multipath insulation resistance tester |
| 04/24/2013 | CN202900238U Electric conductivity sensor for oil field mud |
| 04/24/2013 | CN103069286A Method and device for detecting insulating state of ungrounded power supply |
| 04/24/2013 | CN103064122A Fine retrieval method for judging controlled source audio-frequency magneto-telluric (CSAMT) longitudinal resolution and one-dimensional true resistivity |
| 04/24/2013 | CN103064021A Measuring equipment and method of induction motor excitation parameter |
| 04/24/2013 | CN103063932A Surface mounting microwave component test tool |
| 04/24/2013 | CN103063931A 500 kV constant-voltage transformer (CVT) multiple-project dielectric loss testing system and testing method thereof |
| 04/24/2013 | CN103063930A Measuring system and measuring method for loss and temperature rise of transformer structural components |
| 04/24/2013 | CN103063929A Oil product conductivity tester system |
| 04/24/2013 | CN103063928A System for testing earth grounding resistance, and digital coherent detection method |
| 04/24/2013 | CN103063927A Earth impedance detecting circuit and method of photovoltaic inverter |
| 04/24/2013 | CN103063926A Test method and test device for low-voltage power line narrowband carrier access impedance |
| 04/24/2013 | CN103063925A Measuring method and device of lithium battery protective plate internal resistance |
| 04/24/2013 | CN103063924A Vehicle-mounted integral three-phase direct-current resistance and transformation ratio and load comprehensive testing device and method |
| 04/24/2013 | CN103063923A Volume resistivity test method of ethylene vinyl acetate copolymer (EVA) adhesive film used for photovoltaic module packaging |
| 04/24/2013 | CN103063922A Resistor-capacitor measurement module applied to flying probe tests |
| 04/24/2013 | CN103063921A Testing device for testing wafers for electronic circuits and related method |
| 04/24/2013 | CN103063920A Low frequency impedance measurement with source measure units |
| 04/24/2013 | CN103063908A Method of detecting mobile communication system antenna standing wave ratio by radio frequency identification devices (RFID) |
| 04/24/2013 | CN102279316B Sensor for measuring resistivity of natural gas hydrate in porous medium |
| 04/24/2013 | CN102175922B Phasor measurement unit (PMU) measurement data-based power line parameter identification and estimation method |
| 04/24/2013 | CN102128989B Field effect transistor input/output capacitance measurement circuit and measurement method thereof |
| 04/24/2013 | CN102128985B Method for testing conductivity of medium material |
| 04/24/2013 | CN102095942B Analysis and calibration method for characteristic parameters of topological structure of V mold line impedance stabilization network |
| 04/24/2013 | CN101345553B Cable diagnosis system, method and system for configuring Ethernet port |
| 04/24/2013 | CN101303381B Systems, methods, and apparatus for measuring capacitance in stator component |
| 04/23/2013 | US8428899 Apparatus for testing a conducted energy weapon |
| 04/23/2013 | US8427181 Floating front-end amplifier and one-wire measuring devices |
| 04/23/2013 | US8427180 Multicontact tactile sensor with single-contact idle mode |
| 04/23/2013 | US8427179 Quick connect sensor apparatus |
| 04/23/2013 | US8427178 Detection circuit for use in various types of capacitive transducers and a transducer including such a circuit |
| 04/23/2013 | US8427177 Capacitance sensor |
| 04/23/2013 | US8427176 Pulsed waveguide sensing device and method for measuring a parameter |
| 04/23/2013 | US8427174 Measurement process for determination of the optimum contact pressure among components of a solid oxide fuel cell stack in the packaging process and its measurement apparatus |
| 04/18/2013 | WO2013055082A1 Four point probe |
| 04/18/2013 | WO2013054782A1 Resistance measuring device, connection resistance measuring method |
| 04/18/2013 | US20130096859 Resistance determining system |
| 04/18/2013 | US20130093444 Remote Sensing of PD-Side Voltage in 4-Pair PoE Applications for Estimating Cable Resistance |
| 04/18/2013 | US20130093441 Testing device for testing plates for electronic circuits and relative method |
| 04/18/2013 | US20130093440 Control apparatus and method for detecting a type of load |
| 04/18/2013 | US20130093438 Pressure-sensitive adhesive layer for transparent conductive film, transparent conductive film with pressure-sensitive adhesive layer, transparent conductive laminate, and touch panel |
| 04/18/2013 | US20130093437 Capacitor sensor capable of controlling sensitivity |
| 04/18/2013 | US20130093435 Instrumentation circuit for shunt-based metrology measurement |
| 04/18/2013 | US20130092677 Capacitive sensing system able of using heating element as antenna electrode |
| 04/18/2013 | DE102011115976A1 Measuring method for determining attenuation of electromagnetic fields in screening of e.g. housing in range from sixty to hundred and twenty decibels, involves producing electromagnetic field by transmitter with transmitting antenna |
| 04/18/2013 | DE102011084361A1 Electrical device for monitoring and testing unearthed isolated power supply systems in medical room, has measuring device formed as device for proper execution of technical measurement for initial and periodical testing of supply system |
| 04/17/2013 | CN202887272U Intelligent terminal all-in-one machine for electrostatic protection equipment for human body |
| 04/17/2013 | CN202886893U I/O extended module based on IIC bus in PCB impedance tester |
| 04/17/2013 | CN202886492U A wrist strap on-line automatic detecting system |
| 04/17/2013 | CN202886483U Low-frequency large-capacitance measuring device |
| 04/17/2013 | CN202886482U Rapid detection device for capacity of super-capacitor |
| 04/17/2013 | CN202886481U Capacitor capacity detection circuit of solar energy inverter |
| 04/17/2013 | CN202886480U Grounding resistance detector |
| 04/17/2013 | CN202886479U Insulation resistance-to-ground sampling signal processing circuit for photovoltaic grid-connection system |