Patents
Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286)
11/2006
11/14/2006US7135941 Triple probe automatic slide screw load pull tuner and method
11/14/2006US7135874 System and method for enhanced measurement of rheological properties
11/14/2006US7135873 Digital time domain reflectometer system
11/14/2006US7135872 Method of determining the composition of a multiphase fluid
11/14/2006US7135871 Soil moisture sensor
11/14/2006US7135870 Device for determining the composition of a fluid mixture
11/14/2006US7135869 Thickness measuring systems and methods using a cavity resonator
11/14/2006US7135294 Measuring a change in impedance magnitude of a Polymerase Chain Reaction solution when an electric field between electrodes generates a change in a dielectric property in the solution
11/09/2006WO2006117388A1 Dynamic measurement of the impedance of microwave components
11/09/2006WO2006076488A3 Stepped frequency radar
11/09/2006US20060250146 Method and device for the temperature compensation of a measuring bridge
11/09/2006US20060250145 Method and device for measuring resistance
11/09/2006US20060250144 Method and device for measuring capacitances
11/09/2006US20060250143 Capacitive sensor and associated methods of operation
11/09/2006US20060250142 Electrostatic capacity detection type proximity sensor
11/09/2006US20060250140 Device for analyzing the composition of the contents of a container
11/09/2006DE102006020301A1 Capacitance measuring method for use in capacitive sensor, involves measuring charging or discharging time of known reference capacitor and stray capacitor
11/08/2006EP1720254A1 Capacitive sensor
11/08/2006EP1719990A1 Method and apparatus for temperature compensation of a sensing bridge
11/08/2006EP1719250A1 Load insensitive power amplifier
11/08/2006CN2836029Y Online monitoring system for internal resistance and deterioration state of storage battery
11/08/2006CN1860373A Capacitor deterioration judgment method
11/08/2006CN1858605A Measuring system for surge protector transient protective level based on differential input
11/08/2006CN1283991C Two-phase fluid mesh capacitance tomography method
11/07/2006US7134105 Multiple level transistor abstraction for dynamic circuits
11/07/2006US7133726 Thermal cycler for PCR
11/07/2006US7132838 Active sensor circuit with one or more T-network pairs
11/07/2006US7132837 System and method for measuring conductivity on molecular level
11/07/2006US7132836 Microwave measuring arrangement for product density measurement
11/07/2006US7132831 Electrode configuration for resistivity sounding
11/07/2006US7132611 Apparatus for the registration of weight
11/02/2006WO2006116160A2 Directional capacitive sensor system and method
11/02/2006WO2006115380A1 Method of detecting soil structure using voltage slope and measuring earth resistance
11/02/2006WO2006115110A1 Solid electrolytic capacitor inspection device and inspection method
11/02/2006US20060247883 A method and system for the interactive testing of assembled wireless communication devices
11/02/2006US20060247882 Test apparatus, test method, electronic device manufacturing method, test simulator and test simulation method
11/02/2006US20060246611 Method of and apparatus for controlling probe tip sanding in semiconductor device testing equipment
11/02/2006US20060244466 Proximity sensor
11/02/2006US20060244465 Coupling loop and method for positioning coupling loop
11/02/2006US20060244464 Sensing apparatus and method
11/02/2006EP1717576A1 Humidity sensor
11/02/2006EP1426771B1 Impedance measuring circuit and capacitance measuring circuit
11/02/2006EP1384286B9 Inverted-f ferroelectric antenna
11/02/2006EP1292836A4 Windshield dual moisture sensor
11/02/2006DE202005009752U1 Messvorrichtung Measuring device
11/01/2006CN1854726A Two-phase fluid grid and capacitor chromatography imaging method
11/01/2006CN1282878C Interference elimination in antenna testing
10/2006
10/31/2006US7130780 Method and instrument for electronically recording and imaging fluid washover via measuring characteristics of the fluid at multiple locations simultaneously
10/31/2006US7130756 Calibration method for carrying out multiport measurements on semiconductor wafers
10/31/2006US7129719 Apparatus for detecting defect in circuit pattern and defect detecting system having the same
10/31/2006US7129718 Method and structure for measuring a bonding resistance
10/31/2006US7129717 Systems and methods for measuring tear film osmolarity
10/31/2006US7129716 Circuit for motor vehicles with coding plug
10/31/2006US7129715 Oil deterioration sensor
10/31/2006US7129714 Capacitive measurement system
10/31/2006US7129713 Capacitive moisture sensor
10/31/2006US7129712 Attofarad capacitance measurement
10/31/2006US7129711 Device for detecting interferences or interruptions of the inner fields smoothing layer of medium or high voltage cables
10/31/2006US7129693 Modular voltage sensor
10/26/2006WO2006112976A2 Electrical component with fractional order impedance
10/26/2006WO2006112883A2 Carbon nanotube-quartz resonator with femtogram resolution
10/26/2006WO2006111213A1 Calibration device and calibration method for adjusting a directional coupler measuring system
10/26/2006WO2006088887A3 Capacitive rain sensor
10/26/2006WO2005116671A3 Increase productivity at wafer test using probe retest data analysis
10/26/2006WO2005082106A3 Built-in self test method and apparatus for jitter transfer, jitter tolerance, and fifo data buffer
10/26/2006US20060241887 Calibration apparatus and method using pulse for frequency, phase, and delay characteristic
10/26/2006US20060238205 Directional capacitive sensor system and method
10/26/2006DE112004001082T5 Kapazitive Beschleunigungssensoranordnung Capacitive Accelerometer sensor array
10/26/2006DE102006017183A1 Kalibrierungsvorrichtung und Verfahren, wobei ein Impuls für Frequenz-, Phase- und Verzögerungs-Eigenschaften verwendet wird Calibration apparatus and method in which a pulse for frequency, phase and delay characteristics is used
10/26/2006DE102005018090A1 Kalibriervorrichtung und Kalibrierverfahren zum Abgleich eines Richtkoppler-Messsystems Calibration and calibration method for calibrating a directional coupler measurement system
10/25/2006EP1490910A4 Determination apparatus and method of calibrating the apparatus
10/25/2006CN2831145Y Device of testing permanent magnet reactance parameter based on voltage integrating process
10/25/2006CN2831144Y Continuous earthing monitor
10/25/2006CN2831129Y Program controlled a.c/d.c simulated standard resistor
10/25/2006CN1853349A Multi-phase measurement system with synchronized sigma delta converters
10/25/2006CN1853109A Error factor acquisition device, method, program, and recording medium
10/25/2006CN1853108A A measuring circuit and a method for determining a characteristic of the impedance of a complex impedance element for facilitating characterisation of the impedance thereof
10/25/2006CN1852062A Apparatus and method for detecting antenna feedback fault point of narrow-band base-station system
10/25/2006CN1851486A Method for determining inductive value of inductance for circuit chip
10/25/2006CN1851485A High temperature resistivity measuring device and its measuring method
10/25/2006CN1282118C Reading appts.
10/25/2006CN1281971C Detector for moving object
10/25/2006CN1281968C Electronic component characteristic measuring device
10/25/2006CN1281967C Equipment for continuous automatic measuring resistance of conducting material
10/24/2006US7127363 Calculating differential scattering parameters
10/24/2006US7127089 Electrostatic capacitance detection device
10/24/2006US7126355 Physical quantity sensing device with bridge circuit and temperature compensating method
10/24/2006US7126354 Circuit configuration having a load transistor and a current measuring configuration, method for ascertaining the load current in a load transistor, semiconductor component, and measuring configuration
10/24/2006US7126353 Method and circuit arrangement for determining an electric measurement value for a resistance element, preferably for determining an electric current that flows through the said resistance element
10/24/2006US7126352 Method and device for determining the moisture content and conductivity in the ground and in bulk materials
10/24/2006US7126351 Method and device for distinguishing gem stones
10/24/2006US7126350 Electrostatic capacitance detection device
10/24/2006US7126349 Capacitance detection apparatus, driving method for the same, fingerprint sensor, and biometric authentication apparatus
10/24/2006US7126348 Method and a device for voltage measurement in a high-voltage conductor
10/24/2006US7126347 Precision wideband 50 Ohm input and 50 Ohm output or 100 Ohm output differential reflection bridge
10/24/2006US7126346 Method, apparatus, and article of manufacture for manufacturing high frequency balanced circuits
10/19/2006WO2006108892A1 Analog system for indicating the connection status of a selected subset zd of the electrical loads z parallel-connected to a power supply
10/19/2006WO2006069721A3 Measuring device and method for determining a dielectric property, particularly humidity and/or density, of a product
10/19/2006US20060232283 Method for circuit inspection
10/19/2006US20060232282 System and method for measuring conductivity on molecular level