Patents
Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286)
08/2005
08/17/2005CN1214839C Inductive sensory appts.
08/17/2005CN1214762C Apparatus for determining fatigue level of human body
08/16/2005US6931345 Method for quantifying safe operating area for bipolar junction transistor
08/16/2005US6931334 Apparatus for and method of calculating electromagnetic field intensity, and computer program product
08/16/2005US6930495 Digitizing ohmmeter system
08/16/2005US6930494 Capacitive probe assembly with flex circuit
08/16/2005CA2297066C System for measuring the alternating current equivalent series resistance of a conductor
08/11/2005WO2005073738A1 Phase measurement device, method, program, and recording medium
08/11/2005US20050177334 Resistance value calculation method
08/11/2005US20050174129 Circuit arrangement for capacitive humidity measurement and method for operating the same
08/11/2005US20050174128 Capacitance-type fingerprint sensor
08/11/2005US20050172718 Method and apparatus for tracking a resonant frequency
08/10/2005CN1651925A Method for metering transformer loss
08/10/2005CN1651924A Capacitor capacitance measurement apparatus
08/09/2005US6928373 Flexible vector network analyzer measurements and calibrations
08/09/2005US6927711 Sensor apparatus
08/09/2005US6927644 Low-loss tunable ferro-electric device and method of characterization
08/09/2005US6927583 Fuel sensor
08/09/2005US6927562 Power factor/tan δtesting of high voltage bushings on power transformers, current transformers, and circuit breakers
08/04/2005WO2005069943A2 Method and apparatus for calibrating a frequency domain reflectometer
08/04/2005WO2005069883A2 Method and apparatus for transmission line and waveguide testing
08/04/2005US20050171719 System and method for measuring essential power amplification functions
08/04/2005US20050171716 Attenuator test system
08/04/2005US20050168209 Near field probe
08/04/2005DE102004060903A1 Device for detecting physical properties of gas or gas mixture has high frequency resonator with discrete geometric components representing oscillatory structure as result of their interactions in region of supplied HF a.c. voltage
08/04/2005DE102004002138A1 Verfahren und Vorrichtung zur Erfassung von physikalischen Eigenschaften eines Gases oder eines Gasgemisches im Bereich eines Hochfrequenz-Resonators Method and device for detection of physical properties of a gas or a gas mixture in the range of a high frequency resonator
08/04/2005DE102004002137A1 Vorrichtung und Verfahren zum Zünden eines Luft-Kraftstoff-Gemischs mittels eines Hochfrequenz-Resonators Apparatus and method for igniting an air-fuel mixture by means of a high-frequency resonator
08/03/2005CN1650176A Connector for measuring electric resistance, apparatus and method for measuring electric resistance of circuit board
08/02/2005US6925408 Mixed-signal core design for concurrent testing of mixed-signal, analog, and digital components
08/02/2005US6925405 Adaptive test program generation
08/02/2005US6924740 Electrical resistance monitoring device
08/02/2005US6924649 Sensor read out
08/02/2005CA2286590C Multifunctional polymeric tissue coatings
07/2005
07/28/2005WO2005069664A1 Device and method for remotely measuring and monitoring antenna system using mobile terminal
07/28/2005WO2005069023A1 Device for detecting physical properties of a gas or a gas mixture by means of a high-frequency resonator
07/28/2005WO2005069022A1 Method and apparatus for measuring electrical conductivity
07/28/2005WO2005069021A1 Permittivity monitor uses ultra wide band transmission
07/28/2005WO2005068986A1 Method and device for the detection of the pressure or difference in pressure of a gas or gas mixture in the zone of a high frequency resonator
07/28/2005WO2005068829A1 Device and method for igniting an air-fuel mixture by means of a high-frequency resonator
07/28/2005US20050165570 Determination apparatus and method of calibrating the apparatus
07/28/2005US20050161801 Apparatus and methods for measuring parasitic capacitance and inductance of I/O leads on an electrical component using a network analyzer
07/28/2005US20050161256 Apparatus and methods for measuring parasitic capacitance and inductance of I/O leads on an electrical component using a network analyzer
07/28/2005DE102004018918B3 Process for locating information errors in insulated ungrounded alternating voltage networks comprises determining the temporary progression of network disturbances for each network loss when the testing voltage generator is switched off
07/28/2005DE10125359B4 Wechselstromquelle zur Erzeugung eines durch den Körper zu sendenden Wechselstroms und Verfahren zur Erzeugung eines stabilen Wechselstroms AC power source for generating an outgoing alternating current through the body and process for producing a stable alternating current
07/28/2005CA2553882A1 Method and apparatus for measuring electrical conductivity
07/27/2005EP1320763A4 Method and apparatus for linear characterization of multiterminal single-ended or balanced devices
07/27/2005EP1305645B1 Electrical resistance monitoring device
07/27/2005CN2713480Y Signal sampling apparatus for insulated charged detection of electric power capacitive device
07/27/2005CN2713478Y Measurement module for ceramic capacitor
07/27/2005CN1647374A Improved method and apparatus for tracking a resonant frequency
07/27/2005CN1645153A Composite resonant cavity for measuring microwave surface resistance of conductive material
07/26/2005US6922649 Multiple on-chip test runs and repairs for memories
07/26/2005US6922643 Leakage current or resistance measurement method, and monitoring apparatus and monitoring system of the same
07/26/2005US6922064 Fluid quality test method based on impedance
07/26/2005US6922063 Apparatus and method for capacitive level sensor
07/21/2005WO2005066579A1 Method and apparatus for measuring fillm thickness by means of coupled eddy sensors
07/21/2005WO2004100363A3 Magnetic field response sensor for conductive media
07/21/2005US20050156608 Capacitive moisture sensor
07/21/2005US20050156607 Interface detection apparatus and method for detecting hidden interface using microwave
07/21/2005US20050156606 Thickness measuring systems and methods using a cavity resonator
07/21/2005US20050156604 Method of non-contact measuring electrical conductivity of electrolytes with using primary measuring transformer
07/21/2005US20050156585 Reduced complexity transmission line and waveguide fault tester
07/21/2005DE102004051384A1 Verfahren, Vorrichtung und Herstellungsartikel zum Herstellen von symmetrischen Hochfrequenzschaltungen A method, apparatus and article of manufacture for the production of balanced high-frequency circuits
07/21/2005DE102004050420A1 Mitlaufgenerator mit interner Vektormodulationsquelle Tracking with internal vector modulation source
07/20/2005EP1555535A1 Potential fixing device, potential fixing method, and capacitance mearuing instrument
07/20/2005CN1643390A System and method for measuring fuel cell voltage and high frequency resistance
07/20/2005CN1643372A High-sensitivity measuring instrument
07/20/2005CN1643342A Bridged capacitor sensor measurement circuit
07/20/2005CN1641370A Method of measuring relative dielectric constant, resonator used in the same, and application apparatus
07/20/2005CN1211666C Impedance-to-voltage converter and converting method
07/19/2005US6920407 Method and apparatus for calibrating a multiport test system for measurement of a DUT
07/19/2005US6919731 Method for measuring a position of a conductive target material
07/19/2005US6919689 Method for toolmatching and troubleshooting a plasma processing system
07/14/2005WO2005064269A1 A method and a device for electromagnetic measurement of thickness and electrical conductivity
07/14/2005WO2005064268A1 A method and device for measuring the thickness and the electrical conductivity of an object of measurement
07/14/2005US20050151552 High frequency measurement for current-in-plane-tunneling
07/14/2005US20050151545 Apparatus for measuring electrical impedance
07/14/2005US20050151544 Sensor array for measuring plasma characteristics in plasma processing environments
07/14/2005US20050151543 Accurate and efficient sensing circuit and method for bi-directional signals
07/13/2005EP1357985A4 Inductive sensory apparatus
07/13/2005CN2709983Y Probe base of capacitance resistance detector
07/13/2005CN1637421A Measuring current on a die
07/13/2005CN1210546C Measuring device for indirectly measuring using dielectric constant
07/12/2005US6917892 Single port single connection VNA calibration apparatus
07/12/2005US6917206 Multiple frequency grain moisture sensor for combines
07/07/2005WO2005060653A2 Inductive probe having a looped sensing element or a terminated transmission line sensing element and methods and system for using the same
07/07/2005US20050149205 Internal bias measure with onboard ADC for electronic devices
07/07/2005US20050146383 Capacitance sensors with asynchronous ring oscillator circuit and capacitance
07/07/2005US20050146348 Method and apparatus for determining the dielectric constant of a low permittivity dielectric on a semiconductor wafer
07/07/2005US20050146336 Connector for measuring electric resistance, apparatus and method for measuring electric resistance of circuit board
07/07/2005US20050145273 Thermal cycler for PCR
07/06/2005EP1550876A1 Apparatus and methods for measuring permittivity in semiconductor wafers
07/06/2005EP1275009B1 Method and device for analysing a network of conductors
07/06/2005EP1264191B1 Device and method for monitoring a capacitor bushing
07/06/2005CN1635390A Test circuit of double Rutherford horizontal dual diffusion field-effect transistor conducting resistor
07/06/2005CN1635384A Test circuit and test method for earth resistance
07/05/2005US6915232 Film thickness measuring method, relative dielectric constant measuring method, film thickness measuring apparatus, and relative dielectric constant measuring apparatus
07/05/2005US6914442 Method for measuring resistivity of semiconductor wafer
07/05/2005US6914440 Welding system and method utilizing a ground integrity monitor
07/05/2005US6914437 Filter calibration and applications thereof