Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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06/23/2011 | US20110148440 Parasitic capacitance cancellation in capacitive measurement applications |
06/23/2011 | US20110148439 Capacitance discrimination circuit and touch switch equipped with the same |
06/23/2011 | US20110148438 System and method for determining a number of objects in a capacitive sensing region using a shape factor |
06/23/2011 | US20110148437 Nailer With Integrated Stud Finder |
06/23/2011 | US20110148436 System and method for determining a number of objects in a capacitive sensing region using signal grouping |
06/23/2011 | US20110148435 Transcapacitive sensor devices with ohmic seams |
06/23/2011 | US20110148428 Method for monitoring insulation faults in an electric network and vehicle comprising an insulation fault monitor |
06/23/2011 | US20110148394 Fluid Conductivity Sensor for Actuating and Testing an Electroexploding Device |
06/22/2011 | EP2336794A2 Apparatus and method for sensing a current leakage of a battery, and battery driving apparatus and battery pack including the apparatus |
06/22/2011 | DE102009054834A1 Connector cable for use in e.g. distribution socket, has coupling connected with counter piece of electric device so that resistance of measuring circuit is measured and warning signal is output during resistance exceedance |
06/22/2011 | CN201877993U 25Hz power supply device with real-time monitoring function of resonance capacitor |
06/22/2011 | CN201876502U Small inductance testing device |
06/22/2011 | CN201876501U Grounding resistance online tester |
06/22/2011 | CN201876500U Self-checking earth resistance tester |
06/22/2011 | CN201876499U Tower impact grounding resistance measuring instrument |
06/22/2011 | CN201876498U Detecting device of polymer lithium ion battery bearing plate |
06/22/2011 | CN201876497U Five-path-scanning electrical property comprehensive test device |
06/22/2011 | CN102103179A Distance-measuring and positioning method and device for failure of power transmission line |
06/22/2011 | CN102103167A Cascaded-based de-embedding methodology |
06/22/2011 | CN102103166A Method for lossless detection on performance evaluation of ZnO piezoresistor |
06/22/2011 | CN101718800B Haplopore dilution method for determining seepage direction by electrical conductivity |
06/22/2011 | CN101581752B Power transmission line parameter online measurement method based on fault wave recording |
06/21/2011 | US7966152 System, method and algorithm for data-driven equipment performance monitoring |
06/21/2011 | US7965090 Method for identifying connected device and electronic device using the same |
06/21/2011 | US7965089 Chemical impedance detectors for fluid analyzers |
06/21/2011 | US7965087 Method for ascertaining and monitoring fill level of a medium in a container |
06/21/2011 | CA2536083C Method and apparatus for measuring impedance of electrical component under high interference conditions |
06/16/2011 | US20110140724 System and method for performing a continuity test on a lightning conduction system of a wind turbine |
06/16/2011 | US20110140723 Seating sensing device and method of the same |
06/16/2011 | US20110140722 Object-sensing device |
06/16/2011 | US20110140721 Contactless conductivity detector |
06/16/2011 | US20110140720 Electrostatic capacitance-type input device, method of testing electrostatic capacitance-type input device, and driving device for electrostatic capacitance-type input device |
06/16/2011 | US20110140719 Method of monitoring semiconductor process |
06/16/2011 | US20110140718 Inductive Conductivity Sensor |
06/16/2011 | US20110140717 Method and device for inductive conductivity measurements of a fluid medium |
06/16/2011 | US20110140716 Input circuit for inductive measurements of the conductivity of a fluid medium |
06/16/2011 | DE102009058387A1 Method for measurement of line resistors of connecting lines from resistance thermometers in three wire switch to spatially remote power supply, involves calculating resistances of conductive wires from measured resistances |
06/16/2011 | DE102009058173A1 Method for measuring technical determination of impedance of passive radio frequency identification-chip in transponder to e.g. localize articles, involves calculating impedance of chip from imaginary parts of verification impedances |
06/16/2011 | DE102009054547A1 Method for determining inner resistance of cell of traction battery in e.g. hybrid vehicle, involves considering neutral voltage change of battery cell related to existing charging conditions of cell, before and after charging process |
06/16/2011 | DE102009054546A1 Ermittlung des Innenwiderstands einer Batteriezelle einer Traktionsbatterie, die mit einem steuerbaren Motor/Generator verbunden ist Determining the internal resistance of a battery cell of a traction battery which is connected to a controllable motor / generator |
06/15/2011 | EP2333568A1 Determination of insulation resistance of an electric DC circuit |
06/15/2011 | EP2331977A1 Method for monitoring insulation faults in an electric network and vehicle comprising an insulation fault monitor |
06/15/2011 | EP2270523A9 Estimation of parameters of an induction machine |
06/15/2011 | EP1665543B1 Multi-phase measurement system with synchronized sigma delta converters |
06/15/2011 | CN201867452U Grounding resistance detection system for power battery pack |
06/15/2011 | CN201867265U Multi-parameter oil liquid on-line measurement sensor |
06/15/2011 | CN102099694A A multi-point probe for testing electrical properties and a method of producing a multi-point probe |
06/15/2011 | CN102099693A Measurement probe |
06/15/2011 | CN102096057A Calibration method and device of capacitance measurement circuit |
06/15/2011 | CN102095999A Measuring device for diagnosing connecting state of grounding network |
06/15/2011 | CN102095954A Preventive test method for capacitance voltage transformer free from dismounting lead |
06/15/2011 | CN102095949A Method for representing performance parameters of piezoelectric materials |
06/15/2011 | CN102095942A Analysis and calibration method for characteristic parameters of topological structure of V mold line impedance stabilization network |
06/15/2011 | CN102095941A Method for measuring equivalent inductance of coupling capacitance loop under lightning over-voltage and system thereof |
06/15/2011 | CN102095940A Method and device for measuring dielectric loss angle |
06/15/2011 | CN102095939A Method for measuring specific capacitance of 3003 cathode electronic aluminum foil |
06/15/2011 | CN102095938A High-precision signal processing method for insulation online monitoring of high-voltage electric-power capacitive equipment |
06/15/2011 | CN102095911A Single-phase smart meter based on impedance identification technology |
06/15/2011 | CN101710134B Vehicle hub rotation speed sensor electrical parameter test device and test method |
06/15/2011 | CN101706533B Method for measuring zero sequence impedance parameters of transmission lines by utilizing current of line ends |
06/15/2011 | CN101699302B Circuit structure for measuring ground resistance of each branch circuit of direct current system by full direct current |
06/15/2011 | CN101566667B MOS component testing method |
06/15/2011 | CN101526569B Method for measuring substance dielectric constant by using monopole antenna |
06/15/2011 | CN101517420B Corrosion measurement field device |
06/15/2011 | CN101228609B Determining layer thickness using photoelectron spectrum |
06/14/2011 | US7962811 Scan chain disable function for power saving |
06/14/2011 | US7960979 Universal resistance testing device for electrical components |
06/14/2011 | US7960978 Method for providing leak detection in pre-insulated piping |
06/14/2011 | US7960189 Method of manufacturing a system in package |
06/09/2011 | WO2011068506A1 Signal sensing devices and circuit boards |
06/09/2011 | US20110135540 Apparatus and method for specimen suitability testing |
06/09/2011 | US20110133762 Cartridge device for blood analysis |
06/09/2011 | US20110133760 Systems and Methods for Minimizing Stray Current In Capacitive Sensor Data |
06/09/2011 | US20110133759 Quick connect sensor apparatus |
06/09/2011 | US20110133758 High resolution circuit for converting capacitance-to-time deviation |
06/09/2011 | US20110133757 Apparatus and method for evaluating capacitor |
06/09/2011 | US20110133756 Apparatus for capacitively measuring changes |
06/09/2011 | US20110133755 System and Method of Occupant Detection with a Resonant Frequency |
06/09/2011 | US20110133753 Electronic device and method for testing a circuit board |
06/09/2011 | US20110133752 Electronic device and method for testing a circuit board |
06/09/2011 | DE102010043870A1 Innenwiderstand-Schätzvorrichtung für eine Energiespeichervorrichtung, Verschlechterungsbestimmungsvorrichtung für eine Energiespeichervorrichtung, Energieversorgungssystem und Innenwiderstand-Schätzverfahren für eine Energiespeichervorrichtung Internal resistance estimating device for an energy storage device, the deterioration determining apparatus for a power storage device, power supply system internal resistance and estimation method for an energy storage device |
06/08/2011 | CN201859879U Chip for measuring ohm contact degradation of semiconductor device |
06/08/2011 | CN201859182U On-line measurement instrument for measuring water capacitance of cable |
06/08/2011 | CN201859181U Remote water quality monitoring system |
06/08/2011 | CN201859180U Testing system for electrical contact impedance of neutral electrodes |
06/08/2011 | CN201859179U Printed circuit board (PCB) fast impedance test system |
06/08/2011 | CN201859159U Electric leading device for testing high-temperature resistance of charcoal/charcoal heating elements of high-temperature furnaces |
06/08/2011 | CN102087346A Phase response calibration method of nonlinear vector network analyzer based on fine frequency grid calibration |
06/08/2011 | CN102087331A Pilot frequency heavy-current multifunctional grounding parameter testing system based on variable frequency power supply |
06/08/2011 | CN102087318A Capacitance value measuring circuit and measuring method thereof |
06/08/2011 | CN102087317A Linear real-time estimation method of conductivity resistance-capacitance network parameter |
06/08/2011 | CN102087316A Online monitoring method for short-circuit impedance of V/X connection traction transformer |
06/08/2011 | CN102087315A Uninterrupted-power test method for insulation resistance of 330 kV metal zinc oxide arrester |
06/08/2011 | CN101634673B Method for measuring dielectrostrictive coefficient based on micro-cantilever structure |
06/08/2011 | CN101427143B Method and circuit arrangement for measuring a capacitance |
06/08/2011 | CN101387674B Expanding device of test passage |
06/08/2011 | CN101069333B Automobile circuit |
06/07/2011 | US7958286 Resistor identification configuration circuitry and associated method |
06/07/2011 | US7956624 Method and system for monitoring growth characteristics |
06/07/2011 | US7956623 Container filling machine |