Patents
Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286)
11/2013
11/21/2013US20130307566 Method and system for tomographic imaging
11/21/2013US20130307565 Touch sensor and method of manufacturing the same
11/21/2013US20130307564 In-process material characterization
11/21/2013US20130307562 Systems and methods for fft-based microwave distance sensing for a plumbing fixture
11/21/2013US20130307561 Test Signal Supplying Device and Semiconductor Integrated Circuit
11/21/2013US20130307559 Intelligent Current Analysis for Resonant Converters
11/21/2013US20130307511 Hysteretic current mode controller for a bidirectional converter with lossless inductor current sensing
11/21/2013DE102012004723A9 Verfahren zum Ermitteln einer Beziehung zwischen zwei sich sinus-periodisch ändernden Größen und Diagnosegerät A method for determining a relationship between two sine-periodically varying sizes and diagnostic tool
11/20/2013EP2664936A1 Measuring device for testing an electrical circuit breaker
11/20/2013EP2664932A1 Pulse generator circuit assembly and method for producing pulse signals for insulation error finding in IT networks
11/20/2013CN203299350U Battery internal resistance on-line measuring instrument
11/20/2013CN203299326U Intelligent digital display type universal online safety earthing detection instrument
11/20/2013CN203299283U An apparatus for measuring the conductivity of high-temperature fused salt
11/20/2013CN203299282U Grounding impedance tester
11/20/2013CN203299281U Insulation detection apparatus for alternating-current power supply
11/20/2013CN203299280U Reception impedance measuring system for electric field measuring electrode
11/20/2013CN203299279U Internal resistance monitoring system of electric vehicle power battery pack
11/20/2013CN203299278U Loudspeaker impedance measuring device
11/20/2013CN203299277U Low energy resistance measuring device
11/20/2013CN203299276U Connecting-piece measurement tool
11/20/2013CN203299275U Local surface conductivity measure probe apparatus for insulator
11/20/2013CN203299229U Resistivity measuring clamp for silver alloy wire
11/20/2013CN103401624A Method for detecting SWR (standing-wave ratio) of PDD (Frequency Division Duplex) LTE (Long Term Evolution) RRU (Remote Radio Unit)
11/20/2013CN103399286A Measurement calibration method for multi-characteristic impedance network
11/20/2013CN103399213A Calculation method for dielectric loss factor of high-voltage electric equipment
11/20/2013CN103399212A Positive sequence capacitance measuring method for parallel circuits
11/20/2013CN103399211A Testing device and testing method for Z interface subscriber loop resistance
11/20/2013CN103399210A Method for measuring zero-sequence impedance of parallel circuits
11/20/2013CN103399209A Method for measuring power frequency parameters of ultra-high voltage bipolar direct current (DC) transmission line
11/20/2013CN103399208A Measuring device and method for impedance between live wire and ground wire of power supply
11/20/2013CN103397402A Preparation method of ionic liquid-doped conductive nanofiber
11/20/2013CN102291656B Static matching fast debugging method for power ultrasonic transducer
11/19/2013US8589886 System and method for automatic hardware and software sequencing of computer-aided design (CAD) functionality testing
11/19/2013US8587330 Electrical resonance detection of particles and analytes in microfluidic channels
11/19/2013US8587329 Circuit arrangement for determination of a measuring capacitance
11/19/2013US8587328 Automatic characterization of an actuator based on capacitance measurement
11/19/2013US8587327 Cable installation using induction
11/19/2013US8587326 Method for energy-saving operation of a magneto-inductive flow measuring device
11/19/2013US8587325 Method and apparatus for measuring bearing currents in an electrical machine
11/19/2013CA2477606C Method and apparatus for measuring impedance across pressure joints in a power distribution system
11/14/2013WO2013169783A1 Variable spacing four-point probe pin device and method
11/14/2013WO2013168971A1 Touch detection method and touch detection device
11/14/2013WO2013167899A1 An apparatus and associated method for measuring a series resistance
11/14/2013US20130304397 Method of measuring a capacitance
11/14/2013US20130300491 Subsea Power Switching Device and Methods of Operating the Same
11/14/2013US20130300441 Substance detection sensor
11/14/2013US20130300439 System and method of sensing actuation and release voltages of an interferometric modulator
11/14/2013US20130300438 Self-Capacitance Detection Using Trans-Conductance Reference
11/14/2013US20130300437 Method of measuring a physical parameter and electronic interface circuit for a capacitive sensor for implementing the same
11/14/2013US20130300434 Method for testing mask articles
11/14/2013US20130300433 Method for testing mask articles
11/14/2013US20130300432 Method for testing mask articles
11/14/2013US20130298699 Separation mode capacitors for sensors
11/14/2013DE112008002988B4 Impedanzmesssystem Impedance measurement system
11/14/2013DE102012207768A1 Circuit arrangement for use as insulation monitor for determining insulation resistance of battery, has signal input for receiving input signal, where circuit arrangement is formed to change threshold value in dependence of input signal
11/14/2013DE102012009667A1 Method for determining dielectric dissipation factor of very low frequency cable, involves time-dependently determining bias current and/or leakage current of sample in direct-current voltage measurement source
11/13/2013EP2662697A1 Measuring device for testing an electrical circuit breaker
11/13/2013EP2662695A1 Measurement of a resistance of a switch contact of an electrical circuit breaker
11/13/2013CN203287462U Electric leakage lockout detection circuit
11/13/2013CN203287437U Tool for testing resistance value of winding in cold state and hot state
11/13/2013CN203287436U Insulator detection robot based on WIFI network communications
11/13/2013CN103389444A Switching type insulation monitoring error self-adapting method based on voltage prediction
11/13/2013CN103389416A Measurement of a resistance of a switch contact of an electrical circuit breaker
11/13/2013CN103389415A Detection system and detection method used for detecting resistance of glass heating wire and detecting whether wire breakage exists
11/13/2013CN103389414A Greenhouse substrate conductivity real-time monitoring system based on internet of things
11/13/2013CN102353843B Frequency sweeping test method for measuring power frequency ground resistance of grounding device and test instrument for frequency sweeping test method
11/13/2013CN102279319B Self-compensating single-way precise conductivity detection alarm with symmetrical leads
11/13/2013CN101778748B Method for driving a micro-hybrid system for vehicle and an energy storage unit, and hybrid system for implementing same
11/13/2013CN101636660B Fluid contaminant detection device
11/12/2013US8583388 Power integrity analyzer, power integrity analysis method, and program
11/12/2013US8581881 Driven shield for capacitive to touchpads
11/12/2013US8581605 Nanopore platforms for ion channel recordings and single molecule detection and analysis
11/12/2013US8581604 Method and device for determining impedance of depression
11/12/2013US8581603 Occupant classifying device for an automobile
11/12/2013US8581602 Method and apparatus for nondestructive measuring of a coating thickness on a curved surface
11/12/2013US8581601 Rotation angle sensor or length sensor
11/12/2013CA2639989C High current precision resistance measurement system
11/12/2013CA2554226C Ratiometric stud sensing and apparatus for same
11/07/2013US20130293245 Sensor unit for remotely actuating a vehicle door, vehicle door having the sensor unit and method of producing the sensor unit
11/07/2013US20130293244 Material-discerning proximity sensing
11/07/2013US20130293243 Diagnosis of Physical-Layer Bus Parameters in a Filling Level Measuring Device
11/07/2013DE102012207341A1 Ultrabreitbandige Messbrücke Ultra broadband measuring bridge
11/07/2013DE102012105807B3 Verfahren und Vorrichtung zur Bestimmung und Signalisierung einer Modultechnologie eines Photovoltaikgenerators Method and apparatus for determining and signaling a module technology of a photovoltaic generator
11/07/2013DE102012103941A1 Wechselstromwicklung für eine rotierende elektrische Maschine und Verfahren zu ihrer Herstellung aus Runddrähten Alternating-current winding for a rotating electric machine and process for their preparation from round wires
11/06/2013EP2659277A2 Method for on-line detection of resistance-to-ground faults in active magnetic bearing systems
11/06/2013CN203275528U PIM+S parameter tester
11/06/2013CN203275527U Current transformer bridge principle-based loss factor and loss current testing device
11/06/2013CN203275526U Power capacitor set having capacity monitoring function
11/06/2013CN203275525U Optical module extinction ratio debugging box
11/06/2013CN203275524U Live-line work insulation mat insulation resistor fast detection device
11/06/2013CN203275523U A resistance automatic testing system
11/06/2013CN203275522U Novel breaker loop resistor testing clamp
11/06/2013CN203275521U Resistance measuring device of solar cell
11/06/2013CN203275467U Low-resistance and open-short synchronous test system of PCB board
11/06/2013CN203275448U Power detection clamping
11/06/2013CN203274806U A combined solid encapsulated pole testing apparatus
11/06/2013CN103383417A Insulation monitoring method for switching type direct current system
11/06/2013CN103383416A System and method for testing off-chip driver impedance
11/06/2013CN103383415A Resistance and capacitance online testing circuit
11/06/2013CN102680156B Coupled external mounted steel stay rope force detection device and method
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