| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
|---|
| 05/06/2009 | CN101424716A Method and device for predicting failures of an electrolytic capacitor, converter and uninterruptible power supply equipped with such a device |
| 05/06/2009 | CN101424715A Power frequency parameter measuring set for high-pressure power transmission line |
| 05/06/2009 | CN100485401C Method and system for measuring trap parameter of insulating material of polymer |
| 05/05/2009 | US7528734 System and method for automatically detecting power supply voltage |
| 05/05/2009 | US7528613 Apparatus and method for steering RF scans provided by an aircraft radar antenna |
| 05/05/2009 | US7528608 Sensor device for a household appliance |
| 05/05/2009 | US7528598 Fastener and fitting based sensing methods |
| 04/30/2009 | WO2006088738A3 Application of in-situ plasma measurements to performance and control of a plasma processing system |
| 04/30/2009 | WO2005086812A3 System and method to locate an anomaly of a conductor |
| 04/30/2009 | US20090109586 Monitoring a load driven by a power semiconductor switch |
| 04/30/2009 | US20090108856 Apparatus, system, and method for detecting cracking within an aftertreatment device |
| 04/30/2009 | US20090108855 Test structure for electromigration analysis and related method |
| 04/30/2009 | US20090108854 Electronic device utilizing impedance and/or resistance identification to identify an accessory device |
| 04/30/2009 | US20090108853 Measurement apparatus and measurement method |
| 04/30/2009 | US20090108852 Structure for capacitive balancing of integrated relative humidity sensor |
| 04/30/2009 | US20090108840 Power Line Sensor |
| 04/29/2009 | CN201229381Y Anomalous frequency test system for ground resistance of grounded screen |
| 04/29/2009 | CN201229368Y Multipath fast switching circuit for testing Crystal Oscillator by network analyser |
| 04/29/2009 | CN201229360Y Battery cap essential resistance testing jig |
| 04/29/2009 | CN101419254A Uhv transmission line parameter measuring systems and method |
| 04/29/2009 | CN101419253A Uhv transmission line positive sequence and zero sequence parameter measurement method and system |
| 04/29/2009 | CN100483140C Method and apparatus for monitoring the purity and/or quality of steam |
| 04/28/2009 | US7526535 Network-based system for configuring a programmable hardware element in a modeling system using hardware configuration programs determined based on a user specification |
| 04/28/2009 | US7525323 Method for measuring permeability of a ferromagnetic material in an integrated circuit |
| 04/28/2009 | US7525322 Capacitive physical quantity sensor and diagnosis method |
| 04/28/2009 | US7525321 Sensor and assembly for hydrometric measurements |
| 04/28/2009 | US7525317 Real-time multi-point ground resistance monitoring device |
| 04/28/2009 | US7525302 Method of estimating channel bandwidth from a time domain reflectometer (TDR) measurement using rise time and maximum slope |
| 04/28/2009 | US7525298 Implantable sensor electrodes and electronic circuitry |
| 04/23/2009 | WO2009050813A1 Electrostatic capacity detection device |
| 04/23/2009 | WO2009050307A1 Low-consumption circuit for a capacitive transducer |
| 04/23/2009 | WO2008039878A3 Magnetic sensing system and method |
| 04/23/2009 | WO2008015679A3 System and method for monitoring displacements of in vivo objects |
| 04/23/2009 | WO2005107372A3 Product functionality assurance and guided troubleshooting |
| 04/23/2009 | US20090105975 Method and circuit arrangement for measuring a capacitance |
| 04/23/2009 | US20090102492 Angle measuring device |
| 04/23/2009 | US20090102491 Multiport test-set for switch module in network analyzer |
| 04/22/2009 | EP2050612A1 Accumulator |
| 04/22/2009 | CN101413974A Method for testing reactance parameter of surface type permanent magnet synchronous motor |
| 04/22/2009 | CN101413973A System and method for testing characteristic impedance of circuit board |
| 04/22/2009 | CN101413972A System and method for testing electric resistivity of thin film thermoelectricity material |
| 04/21/2009 | US7521945 Oil monitoring system |
| 04/21/2009 | US7521944 System and method for detecting fluid in terminal block area of field device |
| 04/21/2009 | US7521943 Device, method and system for estimating the termination to a wired transmission-line based on determination of characteristic impedance |
| 04/21/2009 | US7521942 Methods and systems for guarding a charge transfer capacitance sensor for proximity detection |
| 04/21/2009 | US7521941 Methods and systems for detecting a capacitance using switched charge transfer techniques |
| 04/21/2009 | US7521940 Capacitive sensing isolation using reversed biased diodes |
| 04/21/2009 | US7521939 Circuits to increase VNA measurement bandwidth |
| 04/21/2009 | US7521938 Modeling and calibrating a three-port time-domain reflectometry system |
| 04/21/2009 | US7521934 Battery current measurement with real time pre-gain adjust and programmable excitation source |
| 04/21/2009 | US7520956 On-wafer monitoring system |
| 04/16/2009 | WO2009048190A2 Electrical specific resistivity probing robot |
| 04/16/2009 | WO2008076936A3 Method and apparatus for sensing composition of flexible fuels |
| 04/16/2009 | WO2008072226A3 Fault prediction in electric transmission networks |
| 04/16/2009 | WO2006091631A3 Degradation sensor for environmentally sensitive products and method of use |
| 04/16/2009 | WO2006031349A3 Flexible framework for capacitive sensing |
| 04/16/2009 | US20090099802 Systems, Methods and Circuits for Determining Potential Battery Failure Based on a Rate of Change of Internal Impedance |
| 04/16/2009 | US20090096520 Detector of a radio-frequency signal |
| 04/16/2009 | US20090096469 Determining Key Resistance Values |
| 04/16/2009 | US20090096468 Head rest device for vehicle |
| 04/16/2009 | US20090096466 Passive Intermodulation Test Apparatus |
| 04/16/2009 | US20090095061 Abnormality detection device of fuel pump |
| 04/16/2009 | DE102007050346A1 Capacity-related state variable validation method for electrical energy storage i.e. battery, of motor vehicle, involves concluding plausibility of capacity-related state variable of storage depending on evaluation parameter |
| 04/16/2009 | DE102007045858A1 Method for determining amplitude response of audio devices, particularly for audio hardware devices of personal computers, involves generating rectangular measuring signals with defined base frequencies by internal signal generator |
| 04/15/2009 | EP1000348B1 Device and method for carrying out a contactless measurement of the conductivity of a liquid situated in a flow channel |
| 04/15/2009 | CN201222648Y Apparatus for protecting and monitoring capacitor set status |
| 04/15/2009 | CN201222083Y Practical impedance detector |
| 04/15/2009 | CN101408569A Oscillating circuit for detecting tiny plane coil inductance |
| 04/15/2009 | CN100479336C Resonance antenna |
| 04/15/2009 | CN100478691C Capacitance determining circuit and capacitance determining method |
| 04/14/2009 | US7519509 Network analyzer, transmission tracking error measuring method, network analyzing method, program, and recording medium |
| 04/14/2009 | US7518382 Miniature sensor chip, especially for finger print sensors |
| 04/14/2009 | US7518381 Touch sensor system and method |
| 04/14/2009 | US7518380 Chemical impedance detectors for fluid analyzers |
| 04/14/2009 | US7518379 Connection unit, a board for mounting a device under test, a probe card and a device interfacing part |
| 04/14/2009 | US7518378 Cable compensation for pulsed I-V measurements |
| 04/14/2009 | US7518377 Measurement apparatus, test apparatus, and measurement method |
| 04/09/2009 | WO2009043772A1 Circuit arrangement for monitoring an electrical insulation |
| 04/09/2009 | WO2008051953A3 Non-destructive testing of physical characteristics of composite structures |
| 04/09/2009 | WO2005051309A3 Systems and methods for measuring tear film osmolarity |
| 04/09/2009 | US20090093987 Method for accurate measuring stray capacitance of automatic test equipment and system thereof |
| 04/09/2009 | US20090092033 Electric field sensor having vertical structure, fabrication method thereof, and storage unit using the same |
| 04/09/2009 | US20090091341 Electrode for Use in Measuring Dielectric Properties of Parts |
| 04/09/2009 | US20090091340 Apparatus for Measuring Dielectric Properties of Parts |
| 04/09/2009 | US20090091338 Disposable total dissolved solids meter and methods of use thereof |
| 04/09/2009 | US20090091335 Methods for Characterizing Dielectric Properties of Parts |
| 04/09/2009 | DE102007042315B3 Messkreis mit geschalteten Kondensator zur Messung der Kapazität eines Eingangskondensators Loop with a switched capacitor to measure the capacitance of a capacitor input |
| 04/08/2009 | CN201218825Y Contact resistor measuring apparatus |
| 04/08/2009 | CN201218818Y Probe holding tool |
| 04/08/2009 | CN101405607A High performance miniature RF sensor for use in microelectronics plasma processing tools |
| 04/08/2009 | CN101405606A Touch sensor and operating method thereof |
| 04/08/2009 | CN101403779A Parameter measuring apparatus and system for high tension power line |
| 04/08/2009 | CN101403776A Method for confirming radio frequency band inductance value of plane helical inductor |
| 04/08/2009 | CN101403775A Short-distance test method for grounding impedance of large grounding network |
| 04/08/2009 | CN101403216A Method for confirming excavation cubage soil resistivity |
| 04/07/2009 | US7514941 Method and apparatus for predicting the reliability of electronic systems |
| 04/07/2009 | US7514940 System and method for determining effective channel dimensions of metal oxide semiconductor devices |
| 04/07/2009 | US7514939 Method for evaluating a potentiometer and circuit arrangement having a potentiometer |
| 04/07/2009 | US7514938 Dielectric relaxation spectroscopy apparatus and methods of use |
| 04/02/2009 | WO2009040991A1 Measurement instrument and detector |