| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 06/03/2009 | CN100495045C A method for examining impedance |
| 06/02/2009 | US7541889 Pulse coupling apparatus, systems, and methods |
| 06/02/2009 | US7541817 Method and a system of diagnosing corrosion risk of a pipe or a pipeline in soil |
| 06/02/2009 | US7541816 Capacitive sensor |
| 06/02/2009 | US7541004 incorporated into probes or alternatively may be employed in an in-line analyzer residing in the fluid; selective to detect a distinct contaminant within the fluid, sense an impedance of the fluid, which is a function of its contamination and communicates the impedance to analysis circuitry |
| 06/02/2009 | US7540199 Physical quantity sensor |
| 05/28/2009 | WO2009065473A1 Power measurement with a signal generator |
| 05/28/2009 | US20090134905 System for measuring signal path resistance for an integrated circuit tester interconnect structure |
| 05/28/2009 | US20090134890 Method and structure for implementing a resistor ladder |
| 05/28/2009 | US20090134889 Moisture sensor apparatus and method |
| 05/28/2009 | US20090134887 Contact sensor |
| 05/28/2009 | US20090134885 Transmission line for dielectric measurement and dielectric measuring device having the transmission line |
| 05/28/2009 | US20090134882 Disposable, pre-calibrated, pre-validated sensors for use in bio-processing applications |
| 05/28/2009 | DE112005001211T5 Messfehlerkorrekturverfahren und Elektronikkomponenten-Charakteristik-Messvorrichtung Measurement error correction method and electronic component characteristic measuring apparatus |
| 05/28/2009 | DE102005058482B4 Mehrtorkalibrierungsvereinfachung unter Verwendung des "Unbekannter-Durchgang"-Verfahrens Mehrtorkalibrierungsvereinfachung using the "unknown thru" method |
| 05/27/2009 | EP2062060A1 Measuring head and measuring method |
| 05/27/2009 | EP2061553A2 Impedance systems, devices and methods for evaluating iontophoretic properties of compounds |
| 05/27/2009 | CN201247276Y Intelligent power utilization metering monitoring instrument |
| 05/27/2009 | CN101441339A LCD module and method for measuring contact electric impedance between circuit boards therein |
| 05/27/2009 | CN101441236A Capacity sensor circuit based on Wien bridge and phase-locked loop |
| 05/27/2009 | CN101441235A Systems and methods for an open circuit current limiter |
| 05/27/2009 | CN101441234A Self-adapting stabilized contact electric resistance measuring apparatus |
| 05/27/2009 | CN101441227A Self-adapting contact probe set of multiple-set measurement |
| 05/27/2009 | CN100492034C Live line measurement method and apparatus for zero phase-sequence impedance parameter of mutual inductance circuit containing T type connection wire |
| 05/27/2009 | CN100492031C Measuring system for surge protector transient protective level based on differential input |
| 05/27/2009 | CN100492028C Power transfer measurement circuit for wireless systems |
| 05/27/2009 | CN100492023C An eddy-current screen filter and its design method |
| 05/27/2009 | CN100492022C An air pressure filter, its design method and application |
| 05/27/2009 | CN100491993C ECT/ERT double mode-state imaging system cross-type composite array sensor |
| 05/26/2009 | US7538563 Determination of equivalent series resistance |
| 05/26/2009 | US7538562 High performance miniature RF sensor for use in microelectronics plasma processing tools |
| 05/26/2009 | US7538561 Method for detecting an interface between first and second strata of materials |
| 05/26/2009 | US7537377 Thermal cycler for PCR |
| 05/22/2009 | WO2009062562A1 Method and circuit for detecting an approach to an electrode device |
| 05/22/2009 | WO2007024656A3 Architecture and method for testing of an integrated circuit device |
| 05/21/2009 | US20090132174 Seafood physical characteristic estimation system and method |
| 05/21/2009 | US20090130421 Single-Use Flammable Vapor Sensor Films |
| 05/21/2009 | US20090129431 Imaging method to verify electrical conductivity across lightning strike protection boundaries |
| 05/21/2009 | US20090128170 Print media detecting module |
| 05/21/2009 | US20090128168 Multifunctional conducting polymer structures |
| 05/21/2009 | US20090128167 Method for measuring area resistance of magneto-resistance effect element |
| 05/21/2009 | US20090128166 Apparatus to measure the clearance between a first component and a second component |
| 05/21/2009 | US20090128165 Capacitance measuring apparatus for capacitor |
| 05/21/2009 | US20090126471 Fracture detecting structural health sensor |
| 05/20/2009 | EP2060910A1 Measuring device and method for determining electric resistance in articles of laundry |
| 05/20/2009 | EP2059793A1 Method and device for measuring a multiple-phase fluid flowing through a pipe |
| 05/20/2009 | EP1099119B1 Signalling system |
| 05/20/2009 | DE20321736U1 System zur Herstellung einer modular aufgebauten Vorrichtung zur Bestimmung einer physikalischen Prozessgröße und standardisierte Komponenten System for the production of a modular device for determining a physical process variable and standardized components |
| 05/20/2009 | DE102007053825A1 Abisoliervorrichtung mit Berührungssensor und Justierhilfe für eine Abisoliervorrichtung A wire stripper with touch sensor and adjusting aid for a stripping |
| 05/20/2009 | CN201242587Y Circuit test apparatus |
| 05/20/2009 | CN101438175A Microwave sensing for determination of loading of filters |
| 05/20/2009 | CN101437641A Thermoconductimetric analyzer for soldering process improvement |
| 05/20/2009 | CN101435838A Apparatus for measuring capacitance capacity |
| 05/20/2009 | CN101435837A Method and apparatus for detecting insulating resistance and releasing static electricity |
| 05/20/2009 | CN101435836A Frequency detector for measuring liquid electric conductivity by using Wien-bridge oscillating circuit |
| 05/20/2009 | CN101435835A Method of preparing ion blocking electrode battery for measuring electronic conduction |
| 05/20/2009 | CN100489546C Multipoint earthing electric resistance instantaneous monitoring device |
| 05/19/2009 | US7536268 Collecting information to identify defective locations of a display monitor |
| 05/19/2009 | US7535237 Sensor for measuring moisture and salinity |
| 05/19/2009 | US7535236 Method of measuring thickness of thin film using microwave |
| 05/14/2009 | WO2009060728A1 Fuel cell system |
| 05/14/2009 | WO2009059743A1 Method and devices for evaluating electrically conductive, printed structures und printing machine having such a device |
| 05/14/2009 | US20090121730 Connector for measuring electrical resistance, and apparatus and method for measuring electrical resistance of circuit board |
| 05/14/2009 | US20090121729 System and Method for Current Measurement |
| 05/13/2009 | EP2057475A1 A method for measuring the electrical conductivity of solutions |
| 05/13/2009 | CN201237620Y High-tension dielectric loss test device |
| 05/13/2009 | CN101431074A Calibration technique for measuring gate resistance of power MOS gate device at wafer level |
| 05/13/2009 | CN101430351A Circuit, system and method for accurately measuring inside stray capacitance of automatic test equipment |
| 05/13/2009 | CN100487467C Method for measuring volume resistance rate of conductive cement base material |
| 05/12/2009 | US7532994 Test apparatus, test method, electronic device manufacturing method, test simulator and test simulation method |
| 05/12/2009 | US7532991 Magnetic data processing device |
| 05/12/2009 | US7532956 Distributed power and protection system |
| 05/12/2009 | US7532017 Detection of presence or absence of AC maintain power signature in power-over-ethernet system |
| 05/12/2009 | US7532016 Electronic interface circuit for a capacitive sensor for measuring a physical parameter, and method for activating the electronic circuit |
| 05/12/2009 | US7532015 Microwave spectroscopy probe |
| 05/12/2009 | US7532014 LRL vector calibration to the end of the probe needles for non-standard probe cards for ATE RF testers |
| 05/07/2009 | WO2009059189A2 Processing system and method for hand-held impedance spectroscopy analysis device for determining biofuel properties |
| 05/07/2009 | WO2009059156A1 Sample cell for hand-held impedance spectroscopy device |
| 05/07/2009 | WO2009058359A1 Discerning between substances |
| 05/07/2009 | WO2008046053A8 Current limit detector |
| 05/07/2009 | US20090119041 Method and apparatus for characterising multiphase fluid mixtures |
| 05/07/2009 | US20090117269 Electrically conductive composite material |
| 05/07/2009 | US20090115436 Methods for Determining Fluid Properties |
| 05/07/2009 | US20090115435 Processing System and Method for Hand-Held Impedance Spectroscopy Analysis Device for Determining Biofuel Properties |
| 05/07/2009 | US20090115434 Sample Cell for Hand-Held Impedance Spectroscopy Device |
| 05/07/2009 | US20090115433 Method for Locating Leaks In Pipes |
| 05/07/2009 | US20090115432 Elastic body, electrostatic capacitance force sensor and electrostatic capacitance acceleration sensor |
| 05/07/2009 | US20090115431 Capacitive position sensor |
| 05/07/2009 | US20090115430 Sensor |
| 05/07/2009 | US20090115429 Simultaneous Detection of In-Plane and Out-Of-Plane Position Displacement With Capacitive Sensors |
| 05/07/2009 | US20090115428 Single pin multi-state identifier using rc timing element |
| 05/07/2009 | US20090115427 System and Method For Determining The Impedance of a Medium Voltage Power Line |
| 05/07/2009 | US20090115425 Drive System and Method for Final Testing of an Electronic Domestic Appliance and Electronic Domestic Appliance Having the Drive System |
| 05/07/2009 | DE19954182B4 Elektronischer Multimeter Electronic Multimeter |
| 05/07/2009 | DE102007052836A1 Messvorrichtung und Verfahren zum Bestimmen eines elektri-schen Widerstands von Wäschestücken Measuring apparatus and method for determining an electrical-resistance rule of laundry |
| 05/06/2009 | EP2056116A1 Method and device for predicting failures of an electrolytic capacitor, converter and uninterruptible power supply equipped with such a device |
| 05/06/2009 | EP2055254A2 Power supply for electrosurgery |
| 05/06/2009 | CN201233429Y Earthing real-time detection apparatus for power transformer iron core |
| 05/06/2009 | CN101427143A Method and circuit arrangement for measuring a capacitance |
| 05/06/2009 | CN101424930A Earthing mechanism wireless detection device for workstation working personnel |