Patents
Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286)
01/2006
01/11/2006CN1719264A Contact resistance, contact power consumption on line detection and short message alarming device
01/11/2006CN1719245A Method and sensor for synchronous real time measuring water content and conductivity of soil
01/10/2006US6985822 Methods and systems for proximity system target material variation effects reduction
01/10/2006US6984995 Device to audibly express impendance measurement
01/10/2006US6984994 Position and electromagnetic field sensor
01/10/2006US6984993 Method and apparatus for making high-precision measurements
01/10/2006US6984988 Ground-fault detecting device and insulation resistance measuring device
01/10/2006US6984986 Situ fluid condition monitoring
01/05/2006WO2005050228A3 Electrochemical impedance measurement system and method for use thereof
01/05/2006WO2005022171A3 Method and apparatus for measuring impedance of electrical component under high interference conditions
01/05/2006US20060005065 Network analyzer, network analyzing method, automatic corrector, correcting method, program, and recording medium
01/05/2006US20060004919 Method of measuring frequency translation device
01/05/2006US20060004533 MCU test device
01/05/2006US20060001434 Method of inspecting actual speed of semiconductor integrated circuit
01/04/2006EP1612635A1 Short-circuit detection with current-mirror
01/04/2006EP1612568A1 Apparatus for measuing the resonant frequency and quality of a resonating circuit in a sensor
01/04/2006EP1611449A1 System and method for measuring fuel cell voltage and high frequency resistance
01/04/2006CN1235055C Circuit structure for measuring capacitance load and measurement method adoptded in the structure
01/04/2006CN1235022C Electrostatic capacitance sensor
01/03/2006US6982563 measuring voltage within bends/junctions
01/03/2006US6982562 Multiple frequency grain moisture sensor for combines
01/03/2006US6982561 Scattering parameter travelling-wave magnitude calibration system and method
01/03/2006US6982560 Method and system for determining cross-talk effects
01/03/2006US6982559 Accurate and efficient sensing circuit and method for bi-directional signals
12/2005
12/29/2005US20050289392 Power supply device, method, program, recording medium, network analyzer, and spectrum analyzer
12/29/2005US20050285608 Electrostatic capacity type liquid state detecting sensor
12/29/2005US20050285607 Instrumentation current loop
12/29/2005US20050285600 Method and apparatus for implementing direct attenuation measurement through embedded structure excitation
12/29/2005DE102005026897A1 Kleidungsstück mit eingelassenen physiologischen Sensoren Garment with embedded physiological sensors
12/28/2005EP1610454A1 Determining a temperature of a brake resisitor
12/28/2005EP1610131A1 Flexible probe
12/28/2005EP1610119A1 Capacity type liquid state detecting sensor
12/28/2005CN1714295A A method of and apparatus for testing for integrated circuit contact defects
12/28/2005CN1712975A Connected impedance measurement and structure
12/28/2005CN1712910A Electrostatic capacity type liquid state detecting sensor
12/28/2005CN1712583A Apparatus for measuring the mass of fibre material passing through a spinning preparation machine
12/27/2005US6980064 Slide-screw tuner with single corrugated slug
12/27/2005US6980009 Structure for measurement of capacitance of ultra-thin dielectrics
12/27/2005US6978655 System, apparatus, and method for measuring an oxygen concentration of a gas
12/22/2005WO2005122061A2 Radiation monitoring of body part sizing and use of such sizing for person monitoring
12/22/2005WO2005121817A1 Real-time device characterisation and analysis
12/22/2005WO2005121816A1 Method and apparatus for determining the ratio between two resistances
12/22/2005WO2005121708A1 A variable differential transformer
12/22/2005WO2005111634A3 High-precision measuring method and apparatus particularly useful for non-invasively monitoring glucose levels
12/22/2005WO2005103738A3 Bi-directional three-dimensional microwave scanning and volumetric mapping of a whole roll or pallet of paper
12/22/2005US20050283325 Current sense resistor circuit with average kelvin sense features
12/22/2005US20050280425 Electronic multi-depth object locator with self-illuminating optical element warning and detection
12/22/2005US20050280423 Method and apparatus for measuring voltage in a power switching device
12/22/2005DE10243244B4 Verfahren zur Durchführung von Reflexionsmessungen an Antennensystemen Method of performing reflection measurements at antenna systems
12/22/2005DE102005014993A1 Korrektur von Verlust und Streuung bei Kabelfehlermessungen Correction of loss and scattering in cable fault finding
12/22/2005DE102004008994B4 Error diagnosis process in high voltage networks determines error affected phase then earths a non affected phase and finds distance to the fault by impedance measurement
12/21/2005EP1607755A1 Very precise resistance measurement
12/21/2005EP1607753A1 Current sense resistor circuit with averaging kelvin sense features
12/21/2005EP1247111A4 A digital eddy current proximity system: apparatus and method
12/21/2005CN2747586Y Super conductor monitor for superconductive current limiter
12/21/2005CN1710430A Digital simulation impedance normalization device
12/21/2005CN1232831C Capacitive power equipment medium loss on-line monitoring method and device
12/21/2005CN1232830C Method for determining and charactering electric quantity of multiphase electric-technic operating device
12/20/2005US6977513 Current detection circuit of bidirectional switch
12/20/2005US6977512 Method and apparatus for characterizing shared contacts in high-density SRAM cell design
12/20/2005US6977510 Very precise resistance measurement
12/20/2005CA2259465C Ultrasound-hall effect imaging system and method
12/15/2005WO2005119276A2 Method for predicting lithology and porosity from seismic reflection data
12/15/2005WO2005093367A3 Stud sensor with floating head
12/15/2005WO2005043176A3 Probe testing structure
12/15/2005US20050275416 Garment incorporating embedded physiological sensors
12/15/2005US20050275415 Electrostatic detection apparatus and method, and coordinate detection program
12/15/2005US20050275414 Double-mirror short-circuit detection
12/15/2005US20050275413 Very precise resistance measurement
12/15/2005US20050275412 Cable power indicator
12/15/2005US20050275395 Independent measurement of complicated transfer functions
12/15/2005DE102005021247A1 Eigenschaftsmessverfahren für Hochfrequenzschaltung, Kalibriermuster und Kalibriervorrichtung Property Measuring method for high frequency circuit calibration pattern and calibration
12/15/2005DE102004056133A1 Verfahren zur Erfassung einer Offsetdrift bei einer Wheatstone-Meßbrücke A method for detecting an offset drift in a Wheatstone measuring bridge
12/15/2005CA2567375A1 Method for predicting lithology and porosity from seismic reflection data
12/14/2005EP1605253A1 Biosensor apparatus and method with sample type and volume detection
12/14/2005EP1604215A1 Generation and measurement of timing delays by digital phase error compensation
12/14/2005CN1231766C Method for testing internal capacitance of integrated circuit using bridge circuit
12/13/2005US6975103 Resistance ratio digitizing ohmmeter system
12/13/2005CA2331699C Electrocapasitive type force measuring apparatus
12/10/2005CA2509717A1 Garment incorporating embedded physiological sensors
12/08/2005WO2005116673A2 Local area network measurement test device
12/08/2005WO2005116671A2 Increase productivity at wafer test using probe retest data analysis
12/08/2005WO2005116669A1 Method for correcting measurement error and instrument for measuring characteristics of electronic component
12/08/2005US20050272990 Method and apparatus for non-invasively monitoring concentrations of glucose or other target substances
12/08/2005US20050270043 Digital potentiometer with resistor binary weighting decoding
12/08/2005US20050270042 System and method for measuring electrical characteristics of a capacitor
12/08/2005US20050270040 Redundant compact encoders
12/08/2005US20050270038 Test apparatus and control method
12/08/2005US20050270037 Method and system for non-destructive evaluation of conducting structures
12/07/2005EP1601979A2 Apparatus for making high-sensitivity measurements of various parameters, and sensors particularly useful in such apparatus
12/07/2005CN1704743A Physical quantity sensing device with bridge circuit and zero point adjusting method
12/06/2005US6973401 Measuring device and method for determining a characteristic curve of a high frequency unit
12/06/2005US6972576 Electrical critical dimension measurement and defect detection for reticle fabrication
12/01/2005WO2005114231A1 Electric conductivity water probe
12/01/2005WO2005114230A2 Method and apparatus for measuring electrical properties in torsional resonance mode
12/01/2005WO2005060653A3 Inductive probe having a looped sensing element or a terminated transmission line sensing element and methods and system for using the same
12/01/2005US20050268261 Circuit analyzing method and circuit analyzing device
12/01/2005US20050268260 Capacitance measurements for an integrated circuit
12/01/2005US20050268183 Local area network measurement test device
12/01/2005US20050267706 Increase productivity at wafer test using probe retest data analysis