| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 06/25/2009 | WO2009078814A1 A spaced plate waveguide probe and method for dielectric measurements |
| 06/25/2009 | US20090164157 Semiconductor device and method of estimating capacitance value |
| 06/25/2009 | US20090164156 Media characterization |
| 06/25/2009 | US20090164070 Electrostatic seat occupant detection system |
| 06/25/2009 | US20090162954 AC Impedance Spectroscopy Testing of Electrical Parametric Structures |
| 06/25/2009 | US20090161325 Capacitive user-interface switches |
| 06/25/2009 | US20090160682 Capacitive sensing device for use in a keypad assembly |
| 06/25/2009 | US20090160474 Printed circuit board and impedance guarantee method of printed circuit board |
| 06/25/2009 | US20090160465 Determination of equivalent series resistance |
| 06/25/2009 | US20090160464 Method and apparatus for making a determination relating to resistance of probes |
| 06/25/2009 | US20090160463 Characterization circuit for fast determination of device capacitance variation |
| 06/25/2009 | US20090160462 Microelectromechanical capacitor based device |
| 06/25/2009 | US20090160461 Capacitive sensor and measurement system |
| 06/25/2009 | US20090160460 Analysis of a material with capacitive technology |
| 06/25/2009 | US20090160459 System for diagnosing impedances having accurate current source and accurate voltage level-shift |
| 06/25/2009 | US20090158856 Capacitive strain gauge system and method |
| 06/24/2009 | EP1193725B1 Method for diagnosing abnormal condition of isolation transformer and device therefor |
| 06/24/2009 | CN101467053A Arrangement for determining the operational characteristics of a high-frequency power amplifier |
| 06/24/2009 | CN101464482A Method for confirming electromagnetic delay of network analyser and measuring high frequency circuit impedance |
| 06/24/2009 | CN101464481A Resistivity monitoring method and apparatus for sea floor erosion/deposition dynamic process |
| 06/24/2009 | CN100504406C Method for determining single long parameter of transmission system line |
| 06/24/2009 | CN100504405C Network analyzer, transmission tracking measuring method, network analyzing method |
| 06/24/2009 | CN100504404C Apparatus and method for measuring micro-hm level electric resistance |
| 06/24/2009 | CN100504330C Method and system for using eddy current transducers in pressure measurements |
| 06/23/2009 | US7550986 Semiconductor wafer having a dielectric reliability test structure, integrated circuit product and test method |
| 06/23/2009 | US7550981 Circuit and method for determining potentiometer wiper resistance |
| 06/23/2009 | US7550980 System and method for characterizing a load at the end of a cable |
| 06/23/2009 | US7550979 System and method for measuring conductivity of fluid |
| 06/23/2009 | US7550978 Communicating with an implanted wireless sensor |
| 06/23/2009 | US7550976 Apparatus/method for measuring the switching time of output signals of a DUT |
| 06/23/2009 | US7550963 Analytical scanning evanescent microwave microscope and control stage |
| 06/23/2009 | US7550961 Systems and methods for evaluating electromagnetic interference |
| 06/23/2009 | US7550960 Method and apparatus for measuring voltage in a power switching device |
| 06/23/2009 | US7550945 Voltage measurement device |
| 06/18/2009 | WO2009076504A1 Fuel sensor |
| 06/18/2009 | US20090157338 Measuring method and apparatus for potentiometric measuring probes |
| 06/18/2009 | US20090157337 System for determining electrical status of patient attached leads |
| 06/18/2009 | US20090153157 Resistance measurements of a helical coil |
| 06/18/2009 | US20090153156 Insulation resistance detecting apparatus |
| 06/18/2009 | US20090153155 Device for measuring the quality and/or degradation of fluid, particularly a food oil |
| 06/18/2009 | US20090153154 Fuel sensor |
| 06/18/2009 | US20090153153 Multiaperture sample positioning and analysis system |
| 06/18/2009 | US20090153152 Compensation circuit for a tx-rx capacitive sensor |
| 06/18/2009 | US20090153151 Obstacle Detection System and Obstacle Detection Method Thereof |
| 06/18/2009 | US20090153150 Measuring device and method for local measurement of at least one electrical property of the content of a container |
| 06/18/2009 | US20090153149 Obstructionless inline flex fuel sensor |
| 06/18/2009 | US20090153148 Sensor and method for detecting a substance |
| 06/18/2009 | US20090153147 Intrusion detection system |
| 06/17/2009 | EP2070195A1 Power management scheme for software-defined radios |
| 06/17/2009 | EP2068612A1 Soil moisture sensor with data transmitter |
| 06/17/2009 | CN201259518Y Short circuit impedance test instrument |
| 06/17/2009 | CN100501422C Slag-free track plate insulated checking method and insulated checking device |
| 06/16/2009 | US7548819 Signal measurement and processing method and apparatus |
| 06/16/2009 | US7548076 Current measuring apparatus, test apparatus, and coaxial cable and assembled cable for the apparatuses |
| 06/16/2009 | US7548075 Proximity sensor for X-ray apparatus |
| 06/16/2009 | US7548074 Micromechanical microwave power meter |
| 06/16/2009 | US7548073 Capacitive sensing apparatus designs |
| 06/16/2009 | US7548072 Potential separation for filling level radar |
| 06/16/2009 | US7548071 Reflectometry test system using a sliding pseudo-noise reference |
| 06/16/2009 | US7548069 Signal measurement systems and methods |
| 06/16/2009 | US7548068 System for testing properties of a network |
| 06/16/2009 | US7548067 Methods for measuring capacitance |
| 06/11/2009 | US20090147437 Coulomb island and faraday shield used to create adjustable coulomb forces |
| 06/11/2009 | US20090146681 Method and apparatus for estimating resistance and capacitance of metal interconnects |
| 06/11/2009 | US20090146670 Measuring device, and conductivity measuring device, for determining flow capacities of electroconductive liquids, measuring element, and method. |
| 06/11/2009 | US20090146669 Capacitive Fingerprint Sensor and the Panel Thereof |
| 06/11/2009 | US20090146668 Anti-pinch sensor and evaluation circuit |
| 06/10/2009 | DE202009005471U1 Vorrichtung zur Messung der Schirmdämpfung an einem geschirmten Bauteil Apparatus for measuring the shielding effectiveness of a shielded component |
| 06/10/2009 | DE102008037308A1 Pulse-modulated signal analyzing method for e.g. communication application, involves calculating frequencies of spectrum of modulated signal, and reconstructing signal by transformation of measured complex spectral lines in period |
| 06/10/2009 | DE102007058707A1 Capacity sensor for detecting presence of person or object in seat, for automobile's intelligent airbag system, has evaluation circuit coupled with receiver circuit to determine capacitive value based on received frequency bridging signals |
| 06/10/2009 | CN101452022A Measuring device for inductance value of printing inductor |
| 06/10/2009 | CN101452021A Electromagnetic interference prevention coating resistance value measurement method at surface of mirror base |
| 06/10/2009 | CN101452020A In-situ measurement material surface resistivity method under vacuum environment |
| 06/10/2009 | CN100499855C Standing wave detecting-adjusting method |
| 06/10/2009 | CN100499264C Single band antenna and method for tuning same |
| 06/10/2009 | CN100498350C Method for measuring phase displacement of microwave and automatic device thereof |
| 06/10/2009 | CN100498206C Electrosatatic capacity detector |
| 06/09/2009 | US7545156 Test circuit and test method that includes supplying a current to a plurality of light-receiving elements |
| 06/09/2009 | US7545155 Parallel AC measurement method |
| 06/09/2009 | US7545154 Sensor using the capacitive measuring principle |
| 06/09/2009 | US7545153 Capacitance detecting proximity sensor |
| 06/09/2009 | US7545152 Transmission line pulse measurement system for measuring the response of a device under test |
| 06/09/2009 | US7545151 Characterizing test fixtures |
| 06/04/2009 | WO2009069660A1 Noncontact measurement method for superconductor surface resistivity, measurement apparatus for the method, and superconductor |
| 06/04/2009 | WO2009068758A1 Close field telemetry architecture for remote passive sensor of the {r,l,c} type |
| 06/04/2009 | WO2009038924A3 Cancelling low frequency errors in mems systems |
| 06/04/2009 | US20090142504 Method and Apparatus for Single Side Bilayer Formation |
| 06/04/2009 | US20090140754 Method for determining a property of a fluid for a household device |
| 06/04/2009 | US20090140753 Test strip reader system and method |
| 06/04/2009 | US20090140752 Use of a nanoparticle film having metal ions incorporated |
| 06/04/2009 | US20090140751 Microwave paint thickness sensor |
| 06/04/2009 | US20090140749 Device for Measuring a Load Current |
| 06/04/2009 | US20090139584 Valve Assembly With Overfill Protection Device And Capacitive Liquid Level Gauge |
| 06/04/2009 | US20090139087 method of manufacturing actuators, a method of measuring a thickness of an active layer of an actuator, a method of manufacturing a recording head, and a recording device |
| 06/03/2009 | CN201251602Y Online detection device for antenna feeder standing wave and power |
| 06/03/2009 | CN101446607A Measuring method of superconductive material AC loss phase shifting synthesis and system |
| 06/03/2009 | CN101446606A Junction capacitance test circuit and method for bipolar transistor |
| 06/03/2009 | CN100495048C Device for measuring dielectric characteristics of dielectric material |
| 06/03/2009 | CN100495047C Apparatus and method for measuring direct current branch insulation resistance utilizing unbalanced bridge |
| 06/03/2009 | CN100495046C Fixture characteristic measurement device, method, network analyzer, and semiconductor test device |