| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 06/19/2008 | US20080143315 Method and apparatus to evaluate transient characteristics in an electrical power system |
| 06/19/2008 | US20080142352 Two circuit board touch-sensor device |
| 06/19/2008 | DE102007047887A1 Kapazitätserfassungsvorrichtung Capacitance sensing device |
| 06/18/2008 | EP1932006A1 System and method for monitoring of electrical cables |
| 06/18/2008 | EP1932003A2 Wideband active-passive differential signal probe |
| 06/18/2008 | CN101201369A Constant temperature and constant wetting type automatization impedance test system |
| 06/18/2008 | CN101201368A Wide band Kelvin double bridge as well as measurement method, autonomous system as well as method and application |
| 06/18/2008 | CN101201367A Intelligentized test system for electric coupler |
| 06/18/2008 | CN101201285A On-line leak detection method for lining of urea synthetic tower |
| 06/17/2008 | US7389191 Apparatus and method for S-parameter calculation, and program and recording medium thereof |
| 06/17/2008 | US7388387 Method and apparatus for measurement of electrical resistance |
| 06/17/2008 | US7388386 Method and apparatus for corrosion detection |
| 06/17/2008 | US7388385 Wafer dicing system |
| 06/17/2008 | US7387619 Capacitance coupled sensor and substance detecting method using capacitance-coupled sensor |
| 06/17/2008 | US7387024 Capacitive type humidity sensor |
| 06/12/2008 | WO2008068387A1 An electric sensor web, system and a method for its manufacture |
| 06/12/2008 | WO2008067787A1 Monitoring of the aging of capacitors in a converter by means of capacitance measurement |
| 06/12/2008 | WO2008067615A1 Method and apparatus for non-intrusive monitoring of materials transported through pipelines |
| 06/12/2008 | WO2007097979A3 Systems using variable resistance zones and stops for generating inputs to an electronic device |
| 06/12/2008 | US20080136425 Device for detecting the state of steel-reinforced concrete construction parts |
| 06/12/2008 | US20080136424 Determining chip separation by comparing coupling capacitances |
| 06/12/2008 | US20080136423 Measurement Arrangement for Determining the Characteristic line Parameters by Measuring Scattering Parameters |
| 06/12/2008 | DE102007059709A1 Capacitative sensor has an evaluation unit, for the characteristic signal on charging/discharging the impedance and condenser, for evaluation to tune the impedance |
| 06/12/2008 | CA2671820A1 Monitoring of the aging of the capacitors in a converter by means of capacitance measurement |
| 06/12/2008 | CA2671163A1 An electric sensor web, system and a method for its manufacture |
| 06/11/2008 | EP1930737A1 Insulating resistance detection apparatus |
| 06/11/2008 | CN201072429Y Earthing detection circuit |
| 06/11/2008 | CN201072428Y Circulation detecting pool device for multifunctional microelectrode chip |
| 06/11/2008 | CN101198876A Capacitance-to-voltage conversion method and apparatus |
| 06/11/2008 | CN101196566A Ice slush geoelectricity testing technique |
| 06/11/2008 | CN101196550A Power cable monitoring device and method for monitoring power cable state using the same |
| 06/11/2008 | CN101196545A Device for measuring dielectric characteristics of dielectric material |
| 06/11/2008 | CN101196544A Method for measuring capacitance mismatch and circuit structure thereof |
| 06/11/2008 | CN101196543A On-line measurement method for electric resistance of rail traffic road bed |
| 06/11/2008 | CN100394213C Electrical capacitance proximity sensor |
| 06/11/2008 | CN100394208C Device and method for measuring fuel cell voltage and high frequency resistance |
| 06/11/2008 | CN100394202C High voltage alternate driver circuit for determining micro capacitance |
| 06/11/2008 | CN100394170C Two-phase fluid grid and capacitor chromatography imaging method |
| 06/10/2008 | US7386444 Hybrid speech coding and system |
| 06/10/2008 | US7385410 Method of and apparatus for testing for integrated circuit contact defects |
| 06/10/2008 | US7385406 Automated electrical wiring inspection system |
| 06/10/2008 | US7385405 Capacitance probe for thin dielectric film characterization |
| 06/10/2008 | US7385404 Arrangement and method for testing a capacitance array in an integrated circuit |
| 06/10/2008 | US7385383 Methods and systems for determining efficacy of stress protection circuitry |
| 06/10/2008 | US7385382 Quick reference test light probe with digital voltage meter |
| 06/05/2008 | WO2008066137A1 Electronic part high-frequency characteristic error correction method and device |
| 06/05/2008 | WO2008065791A1 High frequency characteristics error correction method of electronic component |
| 06/05/2008 | US20080129318 Device for checking light-metal parts |
| 06/05/2008 | US20080129317 Input device and method of manufacturing the same |
| 06/05/2008 | US20080129316 Non-destructive testing of physical characteristics of composite structures |
| 06/05/2008 | CA2671083A1 Systems and methods for detecting anomalies on internal surfaces of hollow elongate structures using time domain or frequency domain reflectometry |
| 06/04/2008 | CN201069462Y Measuring device for circuit base board |
| 06/04/2008 | CN201069456Y Insulation detection device for ballastless track grid board |
| 06/04/2008 | CN101194172A Touch sensor and signal generation method thereof |
| 06/04/2008 | CN101191812A Capacitance discharging tester |
| 06/04/2008 | CN101191805A Resistance measuring method and element testing treatment |
| 06/04/2008 | CN100392666C Capacitance detector circuit, capacitance detection method, and fingerprint sensor using the same |
| 06/03/2008 | US7383141 Faraday system integrity determination |
| 06/03/2008 | US7382140 Method and device for flame monitoring |
| 06/03/2008 | US7382139 One layer capacitive sensing apparatus having varying width sensing elements |
| 06/03/2008 | US7382138 System and method for non-destructive testing of rotors |
| 05/29/2008 | WO2008062607A1 Rf circuit, circuit evaluating method, algorithm and recording medium |
| 05/29/2008 | WO2008061432A1 A signal generating circuit for detecting ground status |
| 05/29/2008 | US20080122461 High-voltage generator for an x-ray apparatus comprising a high-voltage measurement device |
| 05/29/2008 | US20080122458 Proximity detection system |
| 05/29/2008 | US20080122457 Capacitance difference detecting circuit |
| 05/29/2008 | US20080122455 Passage detection apparatus of object |
| 05/29/2008 | US20080122454 Capacitance detecting apparatus |
| 05/29/2008 | US20080122453 Low Noise Radiation Sensor |
| 05/29/2008 | DE102007057394A1 Vector network analyzer calibrating method, involves implementing reflection standards resembling short-circuit and open-circuit operation in which ports are physically equal, and realizing transmission values of port by through connection |
| 05/29/2008 | DE102007057393A1 Vectorial multi-port network analyzer calibrating method, involves mathematically determining reflection values of one-port, which is realized by unknown reflective termination to be same as short-circuit and open loop |
| 05/28/2008 | EP1017996B1 Nondestructive testing of dielectric materials |
| 05/28/2008 | CN101187683A Low consumption dielectric material high temperature complex dielectric constant test device and method |
| 05/28/2008 | CN100390548C Method for measuring contact impedance of joint point of liquid crystal display panel and the liquid crystal display panel |
| 05/27/2008 | US7378858 Padé approximant based compensation for integrated sensor modules and the like |
| 05/27/2008 | US7378857 Methods and apparatuses for detecting the level of a liquid in a container |
| 05/27/2008 | US7378856 Array sensor electronics |
| 05/27/2008 | US7378855 Bi-directional three-Dimensional microwave scanning and volumetric mapping of a whole roll or pallet of paper |
| 05/27/2008 | US7378854 Dual sine-wave time stamp method and apparatus |
| 05/22/2008 | WO2008058466A1 A ground insulation resistance detecting device and method for electrolytic pot sets |
| 05/22/2008 | WO2007106628A3 Electrical field sensors |
| 05/22/2008 | WO2007029248A9 Sealed capacitive rain sensor |
| 05/22/2008 | US20080117144 Inspection device and inspection method for active matrix panel, and manufacturing method for active matrix organic light emitting diode panel |
| 05/22/2008 | US20080116908 Methods for Detecting Contaminants in a Liquid |
| 05/22/2008 | US20080116907 Process for Simulating the Corrosive Effects of Refinery Feedstocks on Refinery Metalurgy |
| 05/22/2008 | US20080116906 Apparatus and method for metering contact integrity |
| 05/22/2008 | US20080116905 Gravity Gradiometer |
| 05/22/2008 | US20080116904 Methods and systems for switched charge transfer capacitance measuring using shared components |
| 05/22/2008 | US20080116903 Microwave Sensor For High-Precision Level Measurement In A Pneumatic Spring |
| 05/21/2008 | EP1922163A2 Weatherstrip incorporating pinch sensor, new pinch sensors, and associated methods |
| 05/21/2008 | CN201063054Y Isolated circuit for detecting power supply phase |
| 05/21/2008 | CN201063049Y Device for monitoring neutral point grounding resistor |
| 05/21/2008 | CN201063048Y Instrument for measuring and recording current when neutral point grounding resistor mutates abruptly |
| 05/21/2008 | CN101183905A Antenna feed fault detection device and method |
| 05/21/2008 | CN101183126A Prognostic for loss of high-voltage isolation |
| 05/21/2008 | CN101183125A Device for determining example dielectric characteristic, measuring method and applications thereof |
| 05/21/2008 | CN101183121A Extra-high voltage reference capacitor |
| 05/20/2008 | US7376920 Method to monitor critical dimension of IC interconnect |
| 05/20/2008 | US7376531 Method and apparatus for detection of devices on a transmission link |
| 05/20/2008 | US7375537 Method and apparatus for measuring relative dielectric constant |