Patents
Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286)
10/2012
10/16/2012US8289012 Signal transmission/reception device
10/11/2012WO2012138393A1 Stimulus signal for a capacitive sense array
10/11/2012WO2012138271A1 Transmission line parameter determination
10/11/2012WO2012136931A1 Method and system for detecting a short-circuit affecting a sensor
10/11/2012US20120256872 Coordinate detection apparatus and display apparatus
10/11/2012US20120256647 Capacitance sensor structure
10/11/2012US20120256646 Apparatus and methods for testing of acoustic devices and systems
10/11/2012US20120256645 Capacitive sensor, integrated circuit, electronic device and method
10/11/2012US20120256644 Coordinate detecting device
10/11/2012US20120256643 Internal pipe coating inspection robot
10/11/2012US20120256642 Single layer touch sensor
10/11/2012US20120256641 Conductivity sensor assembly
10/11/2012US20120256640 Apparatus and methods for use in determining the presence of materials entrained within a medium
10/11/2012DE102012102963A1 Vorrichtung und Verfahren zur Verwendung bei der Feststellung des Vorhandenseins von in einem Medium mitgeführten Materialien Apparatus and method for use in determining the presence of entrained in a medium materials
10/11/2012DE102011017051A1 Überwachungseinrichtung für ein isoliert aufgebautes Netz einer Photovoltaikanlage Monitoring device for an isolated constructed network of a photovoltaic system
10/11/2012DE102011006979A1 Electrical power supply network protecting method, involves computing distance between midpoint of fault current and point on origin of impedance plane, and adjusting current threshold value in accordance with formula
10/11/2012DE102007059702B4 Kapazitiver Sensor Capacitive sensor
10/11/2012CA2831353A1 Method and system for detecting a short-circuit affecting a sensor
10/10/2012CN202486217U Ground-insulated resistance test system of double-branch input photovoltaic grid-connected inverter
10/10/2012CN202486216U Device for measuring resistance between two rollers in on-line mode
10/10/2012CN202486215U Powder resistivity test bench
10/10/2012CN102721893A Circuits, devices and methods having pipelined capacitance sensing
10/10/2012CN102721874A Device and method for digitally measuring dielectric loss by applying IEEE1588 time setting function
10/10/2012CN102721873A Testing method for polycrystalline silicon thin film resistor on polycrystalline silicon array substrate
10/10/2012CN102721872A 8-position semi-automatic insulating resistance measuring device
10/10/2012CN102721708A Low-temperature co-sintering ceramic measuring device
10/10/2012CN102721707A Device for measuring LTCC shrinkage and dielectric constant
10/10/2012CN102121954B Test device and test method for high-voltage dielectric loss
10/10/2012CN101825683B Integrated circuit device and measurement system and method thereof
10/10/2012CN101799495B Automatic impedance-testing system for flexible film microelectrode arrays
10/10/2012CN101548460B Monitoring of the aging of capacitors in a converter by means of capacitance measurement
10/10/2012CN101534709B Electroimpedance computer mammograph
10/09/2012US8285503 Balanced two-conductor time domain reflectometer
10/09/2012US8283938 Monitoring system and input and output device thereof
10/09/2012US8283937 Monitoring system and input and output device
10/09/2012US8283936 Nano-scale biosensors
10/09/2012US8283935 Method of forming touch sensing circuit pattern
10/09/2012US8283934 Capacitance sensor for detecting a charge voltage of a multi-capacitor circuit
10/09/2012US8283931 Qualifying of a detector of noise peaks in the supply of an integrated circuit
10/04/2012WO2012135303A1 Occupant classification system
10/04/2012WO2012129797A1 Inductance parameter identification method of synchronous motor and implementation system thereof
10/04/2012US20120254244 Method and apparatus for detecting facial changes
10/04/2012US20120250949 Capacitive sensor and biometric image generating method
10/04/2012US20120249167 Method for obtaining information enabling the determination of a characteristic of a power source
10/04/2012US20120249166 Method for monitoring the electrical properties of a load circuit controlled in a clocked manner and circuit system for performing the method
10/04/2012US20120249165 Microwave power monitoring
10/04/2012US20120249164 Sensor assembly for detecting materials using a microwave emitter and method
10/04/2012US20120249163 System and method for detecting arc formation in a corona discharge ignition system
10/04/2012US20120249162 Simulation of printed circuit board impedance variations and crosstalk effects
10/04/2012US20120249160 Replacement-gate-compatible programmable electrical antifuse
10/03/2012CN202471896U DC600V trunk on-line insulation monitoring device
10/03/2012CN202471844U Touch screen testing device and inserting pin thereof
10/03/2012CN202471839U Ceramic substrate testing device
10/03/2012CN202471838U Comparison unit of rapid capacitor
10/03/2012CN202471837U A battery internal resistance measuring circuit
10/03/2012CN202471836U Device used for measuring threshold value resistance of baseplate chamber
10/03/2012CN202471835U Automatic tester for internal resistance of cylindrical battery
10/03/2012CN202471834U Vacuum film resistance tester
10/03/2012CN102713592A Three dimensional imaging of a mass flow
10/03/2012CN102709891A Distributed parameter measurement impedance-based relay protection method for single-phase grounding fault of power transmission line
10/03/2012CN102707210A Anti-lightning evaluation method and device of high-voltage overhead power transmission line
10/03/2012CN102707191A Diagnosis device and diagnosis method for corrosion of earth screen of large-size transformer substation
10/03/2012CN102707156A Method for finely and accurately comparing line losses based on smart-grid technology
10/03/2012CN102707155A Test device for complex dielectric constant of dielectric material based on quasi-optical resonant cavity
10/03/2012CN102707154A Conductance sensor with electrode corrosion detection
10/03/2012CN102707153A Contact resistance measuring system and method based on voltage-frequency conversion method
10/03/2012CN102707152A On-line detecting device for resistance value of resistance winding machine
10/03/2012CN102707151A Detection method for separating chip conduction resistance of equivalent resistance
10/03/2012CN102707150A Method and device for measuring output electrical impedance of signal amplifier by double resistors
10/03/2012CN102707149A Integrating contact resistance measuring system and method
10/03/2012CN102707148A Resistor measuring device
10/03/2012CN102707147A Method for testing impedance characteristic of large electrical equipment based on frequency-sweep method
10/03/2012CN102707146A Experimental apparatus for determining resistance of resistor
10/03/2012CN102707145A Power frequency parameter calculation method of high voltage transmission line
10/03/2012CN102707144A Bus insulating resistance measuring device and method of power battery pack
10/03/2012CN102706887A RFID (radio frequency identification device) antenna detection device and application thereof
10/03/2012CN102074489B Method for testing field effect transistor (FET) grate drain capacitance under multi-bias points
10/03/2012CN101981431B Resistivity checking method and device therefor
10/03/2012CN101963642B Testing method and instrument of multipoint earthing slide-variable resistance of common circuit
10/03/2012CN101650388B Measuring device and method of human body resistance under DC current
10/02/2012US8278950 Apparatus and method for monitoring current flow to integrated circuit in temperature-compensated manner
10/02/2012US8278949 Method and sensor for determining the passivating properties of a mixture containing at least two components, which are cement and water
10/02/2012US8278948 Mechanisms for detecting tampering of an electronic device
10/02/2012US8278947 Capacitive divider device, voltage sensor, trip device module and electrical protection apparatus provided with such a device
10/02/2012US8278946 Apparatus and method for detecting finger activity on a fingerprint sensor
10/02/2012US8278945 Inductive position detector
10/02/2012US8278944 Vector network analyzer having multiplexed reflectometers for improved directivity
10/02/2012US8278943 Self-checking analyzer method and system using frequency response
10/02/2012US8278942 Self-checking analyzer method and system using reflected power/insertion loss
10/02/2012US8278941 Strain monitoring system and apparatus
09/2012
09/27/2012WO2012129348A2 Simple and minimally invasive methods and systems for sensing and computing load impedance
09/27/2012US20120245873 Classifying and identifying materials based on permitivity features
09/27/2012US20120242356 Specific contact resistivity measurement method, semiconductor device for specific contact resistivity measurement, and method for manufacturing the same
09/27/2012US20120242354 Method and apparatus for detecting phase boundaries and correspondingly equipped laboratory device
09/27/2012US20120242353 Physical Property Measuring Method for TFT Liquid Crystal Panel and Physical Property Measuring Apparatus for TFT Liquid Crystal Panel
09/27/2012US20120242352 Inductive proximity sensor
09/27/2012US20120242351 Measurement of Bladed Rotors
09/27/2012US20120242350 System and method for soft-field tomography data acquisition
09/27/2012DE112009003526T5 Digitaler Kompensator für Stromversorgungsanwendungen Digital compensator for power applications
09/26/2012EP2502084A2 Battery insulation resistance measurement methods, insulation resistance, measurement methods, insulation resistance determination apparatuses, and aritcles of manufacture
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