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