Patents
Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286)
08/2004
08/19/2004DE10304170A1 Determination of unknown, discrete or continuous transfer functions of biological, technical or other such systems, whereby a broadband deterministic test signal is used
08/18/2004EP1447670A1 Sensor read out
08/18/2004EP1446674A1 Implantable sensor electrodes and electronic circuitry
08/18/2004EP0792464B1 A measuring line for a coaxial conductor for determining energy throughflow and standing wave ratios
08/18/2004CN2634491Y Anti-explosion earthed resistor detector
08/18/2004CN2634490Y Single clip mouth detection head for earthed resistor meter
08/18/2004CN1162863C Device for weighting cell resistances in magnetoresistive memory
08/18/2004CN1162713C Capacity measuring circuit and method
08/17/2004US6779160 Apparatus, method and pattern for evaluating semiconductor device characteristics
08/17/2004US6777957 Test structure to measure interlayer dielectric effects and breakdown and detect metal defects in flash memories
08/17/2004US6777956 Capacitance measuring systems
08/17/2004CA2285377C Improvements in thermal cycler for pcr
08/12/2004US20040158426 Apparatus and method for muliple identical continuous records of characteristics on the surface of an object after selected stages of manufacture and treatment
08/12/2004US20040155731 Low-loss tunable ferro-electric device and method of characterization
08/12/2004US20040155667 Universal electromagnetic resonance system for detecting and measuring local non-uniformities in metal and non-metal objects
08/12/2004US20040155666 Method and apparatus for measuring thickness of thin films with improved accuracy
08/12/2004US20040155664 Microwave spectrometer
08/12/2004US20040155663 Sensor read out
08/11/2004CN1520329A Inductive sensory appts.
08/11/2004CN1161624C Capacitance detection system and method
08/11/2004CN1161623C Device for automatically measuring resistance
08/10/2004US6775627 Method and/or software for determining the capacitance of an analog/mixed signal circuit
08/10/2004US6774664 Method for automated measurement of the ohmic rotor resistance of an asynchronous machine
08/10/2004CA2197475C System for monitoring a dual voltage ungrounded system
08/05/2004WO2004055528A3 Apparatus and method for electrical characterization of semiconductors
08/05/2004WO2004005943A3 Frequency domain reflectometry system for testing wires and cables utilizing in-situ connectors, passive connectivity, cable fray detection, and live wires testing
08/05/2004US20040153265 Flexible vector network analyzer measurements and calibrations
08/05/2004US20040153264 Automatic wire dielectric analyzer
08/05/2004US20040152996 Transformer-isolated alternating current power supply
08/05/2004US20040150411 Electronic calibration circuit for calibrating a network analyzer
08/05/2004US20040149008 System, apparatus, and method for measuring an oxygen concentration of a gas
08/05/2004DE10304234A1 Insulation resistance measuring device, for electrical power system of e.g. electric or hybrid vehicle, has two measurement resistances between traction battery poles connected to main power supply
08/04/2004CN1517716A Circuit for measuring capacitance and analysis method of wiring character
08/03/2004US6772076 Electromagnetic field analysis method based on FDTD method, medium representation method in electromagnetic field analysis, simulation device, and storage medium
08/03/2004US6771081 Liquid-medium immersed MEMs devices
07/2004
07/29/2004US20040145385 Multipoint plane measurement probe and methods of characterization and manufacturing using same
07/29/2004US20040145384 Circuitry And Methodology To Establish Correlation Between Gate Dielectric Test Site Reliability and Product Gate Reliability
07/29/2004DE10300539A1 Schaltung und Verfahren zur Erfassung von Isolationsfehlern Circuit and method of detecting insulation faults,
07/28/2004EP0990161B1 Two port handheld vector network analyzer with frequency monitor mode
07/27/2004US6768952 System and method of measuring low impedances
07/27/2004US6768320 Method of regulating resistance value in sensor circuit
07/22/2004US20040143422 Filter characteristic measuring method and system
07/22/2004US20040140819 Differential voltage probe
07/22/2004DE10107441B4 Verfahren zum Charakterisieren von Frequenzumsetzungsvorrichtungen Method for characterizing frequency conversion devices
07/21/2004EP1438598A1 Loop impedance meter
07/21/2004EP1123489B1 Capacitive measuring device
07/21/2004CN1514254A Calculating method for effective power of capacitor and method for testing consumed effective power
07/21/2004CN1158534C Frequency change measurer
07/20/2004US6765540 Tunable antenna matching circuit
07/20/2004US6765395 Method for measuring a gap between a proximity probe and a conductive target material
07/15/2004WO2004059292A2 Probes for measurements of complex dielectric permittivity of porous and other materials and methods of use thereof
07/15/2004US20040138844 Impedance standard substrate and correction method for vector network analyzer
07/15/2004US20040135590 Impedance monitoring system and method
07/15/2004US20040135589 Welding system and method utilizing a ground integrity monitor
07/15/2004US20040135586 Resistive load measurement system
07/15/2004DE10302451B3 Earthing connection recognition method for 3-phase network using evaluation of charge curve obtained by integration of current from voltage zero transition and zero voltage limit value point
07/15/2004DE10204572B4 Schaltungsanordnung zur Erfassung der Kapazität bzw. einer Kapazitätsänderung eines kapazitiven Schaltungs- oder Bauelementes Circuit arrangement for detecting the capacitance or a change in capacitance of a capacitive circuit element or component
07/14/2004EP1437600A1 Circuit and method for ground fault detection
07/14/2004EP1436893A2 Electronic device and method of testing and of manufacturing
07/14/2004CN1512691A VSWR measurement with error compensation
07/14/2004CN1157607C Multi-port device analysis apparatus and method and calibration method thereof
07/13/2004US6762613 Testing system and method of operation therefor including a test fixture for electrical testing of semiconductor chips above a thermal threshold temperature of an interlayer dielectric material
07/13/2004US6762610 Device and method for evaluating battery can coatings
07/08/2004US20040133121 Method and apparatus for analyzing organism reaction waveform information, and diagnosing apparatus
07/08/2004US20040132497 VSWR-measurement with error compensation
07/08/2004US20040130339 Biological cell test method and apparatus
07/08/2004US20040130336 Method of determining an electrical capacitance of a circuit component and method of defining a dimension of such a component
07/08/2004US20040130327 Ground circuit impedance measurement apparatus and method
07/08/2004US20040130326 Ground-fault detecting device and insulation resistance measuring device
07/08/2004DE10258366A1 Verfahren und Vorrichtung zur Widerstandsmessung eines temperaturabhängigen Widerstandselements Method and device for resistance measurement of a temperature-dependent resistance element
07/07/2004EP1435522A1 Measurement of Voltage Standing Wave Ratio with error compensation
07/07/2004EP1435003A2 Dielectric constant measuring apparatus and dielectric constant measuring method
07/07/2004CN2624214Y On-line monitoring device for dielectric loss and capacitance of portable capacitor device
07/07/2004CN1511261A Low-loss tunable ferro-electric device and method of characterization
07/07/2004CN1510431A Motor winding welding and coil resistance testing method and system
07/01/2004WO2004055528A2 Apparatus and method for electrical characterization of semiconductors
07/01/2004WO2004044600A3 Characterizing analog and digital telephone circuits and other types of wiring systems using frequency domain reflectometry (fdr)
07/01/2004US20040124858 Long-life conductivity sensor system and method for using same
07/01/2004DE19529166B4 Rückflußdämpfungsdetektor für serielle digitale Signalquellen Rückflußdämpfungsdetektor serial digital signal sources
06/2004
06/30/2004EP1169651B1 Method for determining the permeability of a magnetic material by coaxial line perturbation
06/30/2004EP1053715B1 Method for measuring the electrical conduction of organic tissues
06/30/2004CN2622713Y A.C. low frequency soil resistivity tester
06/30/2004CN1155998C Thin slice resistance measurer and electronic part mfg. method
06/29/2004US6757625 Method, apparatus, and article of manufacture for predicting electrical behavior of a multiport device having balanced device ports
06/29/2004US6756947 Tunable slot antenna
06/29/2004US6756794 Apparatus for determining a gap between a proximity probe component and a conductive target material
06/29/2004US6756793 Capacitance type moisture sensor and method of producing the same
06/29/2004US6756790 Impedance detection circuit, impedance detection device, and impedance detection method
06/29/2004US6756786 Method for detecting line-to-ground fault location in power network
06/24/2004WO2004054316A1 Resonance frequency sensing method, resonance frequency selecting method, and resonance frequency sensor
06/24/2004WO2004030034A3 Test mode control circuit for reconfiguring a device pin of an integrated circuit chip
06/24/2004WO2004023526A3 Apparatus and method for processing capacitor sensor signals using digital frequency shift measurement techniques with floating reference
06/24/2004US20040119483 Measurement of molten metal with ion conducting phase sensors by means of an electrical measuring unit
06/24/2004US20040119482 Time domain reflectometry based transmitter equalization
06/24/2004US20040119481 Microwave tuners for wideband high reflection applications
06/24/2004US20040119479 Determination of a device signal response characteristic using multiple varied signals
06/23/2004EP1431769A1 Circuit for determining the internal resistance of a linear lambda probe
06/23/2004EP1431768A1 Method and Device for Resistance Measurement of a Temperature Dependent Resistor
06/23/2004CN1154433C Resistance measurer and healthful direction prompting device
06/22/2004US6753679 Test point monitor using embedded passive resistance