| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 09/17/2009 | US20090230980 Method for measuring d-q impedance of polyphase power grid components |
| 09/17/2009 | US20090230979 Fullerene or nanotube, and method for producing fullerene or nanotube |
| 09/17/2009 | US20090229370 Physical quantity sensor |
| 09/16/2009 | EP2101182A2 Vector network analyser calibration system |
| 09/16/2009 | EP2100365A1 Monitoring of the aging of capacitors in a converter by means of capacitance measurement |
| 09/16/2009 | EP2100156A2 Integrated time and/or capacitance measurement system, method and apparatus |
| 09/16/2009 | EP2100155A1 Systems and methods for collecting tear film and measuring tear film osmolarity |
| 09/16/2009 | EP2100101A2 System for measuring a physical variable |
| 09/16/2009 | CN201311460Y Dielectric loss tester with high-voltage output false ground protection function |
| 09/16/2009 | CN201311459Y Safe dielectric loss tester |
| 09/16/2009 | CN201311458Y All-purpose type safe reinforcing type limitless storage alternating current impedance measuring and landing device |
| 09/16/2009 | CN201311457Y Silicon material electric resistivity detection device |
| 09/16/2009 | CN201311456Y Power frequency parameter measuring device for high-voltage transmission lines |
| 09/16/2009 | CN201311455Y Structure of standing-wave detecting device |
| 09/16/2009 | CN201311454Y Resistance test instrument |
| 09/16/2009 | CN201311453Y DC resistance tester with exceptional discharging protection function |
| 09/16/2009 | CN101535821A Arrangement and method for determining an electrical feature |
| 09/16/2009 | CN101533071A Global nonlinear inductance test method of switched reluctance motor |
| 09/16/2009 | CN101533048A Vector network analyser calibration system |
| 09/16/2009 | CN101533047A AC milliohm meter based on complex programmable logic device, and measurement method therefor |
| 09/16/2009 | CN101533046A Method for measuring constriction resistance of sheet spot-welding |
| 09/16/2009 | CN100541224C Method for calibrating and de-embedding, set of devices for de-embedding and vector network analyzer |
| 09/16/2009 | CN100541208C Measurement method of solution electric conductivity |
| 09/16/2009 | CN100541207C A measuring circuit and a method for determining a characteristic of the impedance of a complex impedance element for facilitating representation of the impedance thereof |
| 09/15/2009 | US7589601 Impedance tuner systems and probes |
| 09/15/2009 | US7589540 Current-mode semiconductor integrated circuit device operating in voltage mode during test mode |
| 09/15/2009 | US7589539 Process for simulating the corrosive effects of refinery feedstocks on refinery metalurgy |
| 09/15/2009 | US7589538 Micropower voltage-independent capacitance measuring method and circuit |
| 09/15/2009 | US7589537 Device and method of monitoring ground connection of moving equipment with insulative bearing arrangement |
| 09/15/2009 | US7589525 Magnetic field response sensor for conductive media |
| 09/15/2009 | US7589517 Adaptive slope compensation for switching regulators |
| 09/10/2009 | US20090224841 Method for the detection of a predamping state and inductive sensor with predamping detection |
| 09/10/2009 | US20090224776 System and method for measuring a capacitance by transferring charge from a fixed source |
| 09/10/2009 | US20090224775 Capacitance sensor |
| 09/10/2009 | US20090224774 High voltage sensor circuit |
| 09/10/2009 | US20090224771 System and method for measuring battery internal resistance |
| 09/10/2009 | US20090223289 Level sensor for cryogenic liquids, and receptacle comprising such a level sensor |
| 09/10/2009 | US20090223284 Leak Detector |
| 09/10/2009 | DE102008017289A1 Anpassbares Messgerät und Verfahren zur Anpassung Adjustable instrument and method for adapting |
| 09/10/2009 | DE102008011256A1 Impedance value measuring method for e.g. nitrogen oxide sensor, in internal combustion engine of vehicle, involves determining impedance value of sensor element in dependence of reference value of two measurement voltages |
| 09/09/2009 | CN201307140Y On-line insulation monitoring system |
| 09/09/2009 | CN201307139Y Special test rod for megohmmeter |
| 09/09/2009 | CN101526872A Method for monitoring button state of capacitive sensing screen and capacitive sensing system |
| 09/09/2009 | CN101526578A Method and device for detecting the high-voltage faults of vehicles |
| 09/09/2009 | CN101526569A Method for measuring substance dielectric constant by using monopole antenna |
| 09/09/2009 | CN101526568A Grounding test apparatus of reversely connected flow ratio device high voltage bridge based on cable insulation technique |
| 09/09/2009 | CN101526567A Intelligent digitizing potential ratio resistance measuring instrument and work process thereof |
| 09/09/2009 | CN101526564A Detection device for power and standing wave ratio |
| 09/09/2009 | CN101526562A Distributed wireless high-voltage equipment insulating live testing system and testing method |
| 09/09/2009 | CN101524829A A method and device for measuring film thickness by coupling eddy current sensors |
| 09/09/2009 | CN100538639C Integrated acceptance testing |
| 09/09/2009 | CN100538382C Method and apparatus for measuring complex dielectric constant of dielectric |
| 09/09/2009 | CN100538374C Device for determining example dielectric characteristic, measuring method and applications thereof |
| 09/09/2009 | CN100538372C Measuring current on a die |
| 09/08/2009 | US7587642 System and method for performing concurrent mixed signal testing on a single processor |
| 09/08/2009 | US7587294 SATA device having self-test function for OOB-signaling |
| 09/08/2009 | US7586419 Ice detection apparatus and method |
| 09/08/2009 | US7586315 System and method for testing voltage endurance |
| 09/08/2009 | US7586314 Multi-pin CV measurement |
| 09/08/2009 | CA2362528C Sensoring device for monitoring potential on corrosion threated objects |
| 09/03/2009 | WO2009085727A3 Multiple capacitance measuring circuits and methods |
| 09/03/2009 | WO2009078814A8 A spaced plate waveguide probe and method for dielectric measurements |
| 09/03/2009 | US20090222227 Method and apparatus for testing the operating conditions of an electric network |
| 09/03/2009 | US20090219039 Method and circuit for detecting the presence, position and/or approach of an object in relative to at least one electrode |
| 09/03/2009 | US20090219037 Sensor For Measuring Moisture And Salinity |
| 09/03/2009 | US20090219036 Micromechanical Microwave Power Meter |
| 09/03/2009 | DE112007002378T5 Kapazitive Messung für Waschraum-Armaturen Capacitive measurement of washroom fittings |
| 09/02/2009 | EP2096713A2 Switching assembly for testing a correct connection of circuit boards in housings |
| 09/02/2009 | EP2095481A1 System and method to determine the impedance of a disconnected electrical facility |
| 09/02/2009 | EP2095139A1 Arrangement and method for determining an electrical feature |
| 09/02/2009 | CN201302595Y System for testing dynamic resistance of diode |
| 09/02/2009 | CN201302594Y Resistance testing device |
| 09/02/2009 | CN201302593Y A fixing device for plane resistivity measurement of germanium crystal |
| 09/02/2009 | CN101523227A Element judging device, method, program, recording medium and measuring device |
| 09/02/2009 | CN101520478A Direct image reconstruction method based on capacitance tomography of round sensor |
| 09/02/2009 | CN101520426A Measuring method for soil moisture and electrical conductivity based on vectorial resultant and device thereof |
| 09/02/2009 | CN100535672C Testing method of capacitance component mounted inside and testing system thereof |
| 09/01/2009 | US7583093 Electrical test method of an integrated circuit |
| 09/01/2009 | US7583092 Capacitive sensing apparatus that uses a combined guard and sensing electrode |
| 09/01/2009 | US7583091 Printed circuit board, and backplane data transmission method |
| 09/01/2009 | US7583089 Measurement system of specific absorption rate |
| 08/27/2009 | US20090216605 Integrated Acceptance Testing |
| 08/27/2009 | US20090216473 System and method for nondestructive testing of thermal batteries |
| 08/27/2009 | US20090216472 Parameter estimation for and use of a thermal model of a power line |
| 08/27/2009 | US20090212791 Method for determining the electrical resistance of an electrical supply lead to sensor elements and a sensor arrangement |
| 08/27/2009 | US20090212790 Method of estimating channel bandwidth from a time domain reflectometer (tdr) measurement |
| 08/27/2009 | US20090212788 Conductivity Counter |
| 08/27/2009 | US20090212395 Identifying New Semiconductor Detector Materials by D.C. Ionization Conductivity |
| 08/27/2009 | DE102009000471A1 Messung des effektiven Serienwiderstandes eines Kondensators Measurement of the effective series resistance of a capacitor |
| 08/26/2009 | EP2093577A1 Method and device for testing an electrotechnical device |
| 08/26/2009 | EP2092353A2 Systems and methods for detecting anomalies on internal surfaces of hollow elongate structures using time domain or frequency domain reflectometry |
| 08/26/2009 | EP1671079A4 Integrated sensor system for measuring electric and/or magnetic field vector components |
| 08/26/2009 | CN101517420A Corrosion measurement field device |
| 08/26/2009 | CN101515013A Electricity safety inspection system and method thereof |
| 08/26/2009 | CN101515011A Method and device for detecting failure of electromagnetic movement mechanism |
| 08/26/2009 | CN101515010A Electrical property detecting and analyzing system of micromachine sensing device and method thereof |
| 08/26/2009 | CN101515008A Automatic test instrument for high-frequency cable and measurement method thereof |
| 08/26/2009 | CN100533321C Controlling chemical dispense operations based on a conductivity offset |
| 08/26/2009 | CN100533157C VSWR measurement device |
| 08/25/2009 | US7579846 Offset voltage measuring apparatus |