Patents
Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286)
01/2011
01/19/2011CN201716369U Device for detecting icing on road surface of highway
01/19/2011CN201716338U Test fixture used for impedance analyzer
01/19/2011CN201716329U Sample bracket for measuring specific resistance of metal sample
01/19/2011CN101952714A Method and system for electrochemical impedance spectroscopy
01/19/2011CN101952713A System and method for measuring properties of liquid in multiphase mixtures using two open ended coaxial probes with different sensitivity depths
01/19/2011CN101950360A Optical fingerprint identifier capable of identifying living body finger
01/19/2011CN101949979A Method for measuring resistance of ground wire of transformer
01/19/2011CN101949978A Impedance test element
01/19/2011CN101949959A High-temperature resistivity measuring stand
01/18/2011US7873191 Capacitive array
01/13/2011WO2011005541A2 On-line time domain reflectometer system
01/13/2011WO2011005359A2 Capacitive sensor interference determination
01/13/2011WO2011004727A1 Capacitance detection device
01/13/2011WO2010117615A3 Sensor device with reduced parasitic-induced error
01/13/2011WO2010111293A3 Battery life estimation
01/13/2011US20110010120 Process variable transmitter with two-wire process control loop diagnostics
01/13/2011US20110010105 Methods and systems for detecting the hydration of sensors
01/13/2011US20110006791 Probe for a capacitive sensor device and gap-measuring system
01/13/2011US20110006790 Apparatus and method for measuring water content and salt concentration in a multiphase fluid flow
01/13/2011US20110006789 Capacitive proximity detection system for an appliance
01/13/2011US20110006788 Occupant classification system for vehicle
01/13/2011US20110006787 Dynamic quantity detecting member and dynamic quantity detecting apparatus
01/13/2011US20110006786 Cable installation using induction
01/13/2011US20110006785 Analyzing method using a processing structure as a probe
01/13/2011US20110006784 Test method of microstructure body and micromachine
01/13/2011US20110006781 Insulation state detector
01/13/2011US20110005571 Method and apparatus for manufacturing solar cell, and solar cell
01/13/2011DE102009048294A1 Verfahren und Einrichtung zur Isolationsüberwachung von ungeerdeten elektrischen Gleich-und Wechselstromnetzen Method and apparatus for insulation monitoring of unearthed electric dc and ac networks
01/13/2011CA2765194A1 On-line time domain reflectometer system
01/12/2011EP2272177A1 Method for transmission line analysis
01/12/2011CN201707661U Mutual capacitance detection circuit
01/12/2011CN201707405U Comprehensive tester for safety performance of electric tool
01/12/2011CN201707395U Head-disassembling-free testing circuit of capacitance type voltage transformer
01/12/2011CN201707394U Device for testing specific resistance of metal melt
01/12/2011CN201707390U Power line safety monitor with ZIGBEE wireless communication function
01/12/2011CN101943743A Intelligent monitoring method and device of connecting strip resistance and battery internal resistance of battery pack
01/12/2011CN101943717A Test apparatus and method for measuring common-mode capacitance
01/12/2011CN101943716A Capacitance measurement circuit and method
01/12/2011CN101943712A Resistance bridge architecture and method
01/12/2011CN101943586A Capacitative sensor assembly with a sensor electrode, a shielding electrode and a background electrode
01/12/2011CN101508308B Intelligent compensation capacitance for track circuit
01/12/2011CN101477150B Method for implementing fast measurement of inductive winding DC resistance by using constant voltage source
01/12/2011CN101452025B Suspension joint type high voltage and high current synchronization measuring method and device
01/11/2011US7868629 Proportional variable resistor structures to electrically measure mask misalignment
01/11/2011US7868628 Tactile sensor utilizing microcoils with spiral shape
01/11/2011US7868627 Method and a device for measuring dielectric characteristics of material bodies
01/11/2011US7868607 Test method for frequency converters with embedded local oscillators
01/06/2011US20110004434 Low power testing of very large circuits
01/06/2011US20110001986 Tilt sensor for a measuring instrument
01/06/2011US20110001502 Resistance bridge architecture and method
01/06/2011US20110001501 Internal self-check resistance bridge and method
01/06/2011US20110001500 Method and Apparatus for Examining Ion-Conductive Electrolyte Membrane
01/06/2011US20110001499 Moisture sensor
01/06/2011US20110001498 Method and device for monitoring a zone of metal
01/06/2011US20110001497 Floating front-end amplifier and one-wire measuring devices
01/06/2011US20110001496 Production method for a capacitive sensor unit
01/06/2011US20110001495 Test apparatus and method for measuring common-mode capacitance
01/06/2011US20110001494 Methods and systems for sigma delta capacitance measuring using shared components
01/06/2011US20110001493 Fluidic electrostatic energy harvester
01/06/2011US20110001492 Circuit for capacitive touch applications
01/06/2011US20110001491 Capacitance measurement circuit and method
01/06/2011US20110001490 Conductivity sensor with switching between transmitting and recieving coil
01/06/2011US20110001489 Method and system for transferring information
01/06/2011US20110001487 Multicontact tactile sensor with single-contact idle mode
01/05/2011EP2270523A1 Estimation of parameters of an induction machine
01/05/2011EP2270522A1 Induction motor parameter identification
01/05/2011EP2270521A1 Signal measurement and processing method and apparatus
01/05/2011DE102009031824A1 Kapazitive Sensoranordnung mit einer Sensorelektrode, einer Schirmelektrode und einer Hintergrundelektrode A capacitive sensor arrangement comprising a sensor electrode, a shielding electrode and a background electrode
01/05/2011CN201697982U Multifunctional household appliance maintenance comprehensive testing instrument
01/05/2011CN201697971U Frequency-variable speed-regulating filter capacitance detecting device of high-frequency vibrating motor
01/05/2011CN201697970U Bridge zero regulation circuit
01/05/2011CN201697969U PC board carbon ink resistance testing device
01/05/2011CN201697968U Resistivity tester
01/05/2011CN101937717A Method and circuit for measuring electrical resistance
01/05/2011CN101937600A Anti-theft alarm system for street lamp cable
01/05/2011CN101937037A Device for automatically testing performance of cable bunch
01/05/2011CN101937035A Measuring device of power electronic element
01/05/2011CN101937024A Capacitance measurement method and measurement device for power distribution network with neutral point grounded through arc suppression coil
01/05/2011CN101937023A Insulation on-line monitoring system
01/05/2011CN101937022A Method for measuring ground resistance of double ground network
01/05/2011CN101937021A Online measurement method of contact resistance of probe
01/05/2011CN101936765A Monomer thermoelectric cell parameter automatic detecting device and control method thereof
01/05/2011CN101551324B A semiconductor material property measurement device and method based on double probe beam
01/05/2011CN101493368B Method for producing alertness cement-based material pressure sensor and monitoring device
01/04/2011US7865319 Fixture de-embedding method and system for removing test fixture characteristics when calibrating measurement systems
01/04/2011US7863911 Test device and method for measurement of tunneling magnetoresistance properties of a manufacturable wafer by the current-in-plane-tunneling technique
01/04/2011US7863910 Insulation resistance detecting apparatus
01/04/2011US7863909 System and method for measuring a capacitance by transferring charge from a fixed source
01/04/2011US7863908 Current measurement based on a charge in a capacitor
01/04/2011US7863907 Temperature and pressure transducer
12/2010
12/30/2010US20100332170 Multiple Excitation Capacitance Polling for Enhanced Electronic Capacitance Tomography
12/30/2010US20100332169 System and method for testing a characteristic impedance of a signal path routing of a printed circuit board
12/30/2010US20100332168 Determining plasma processing system readiness without generating plasma
12/30/2010US20100332167 Method for determining the operating condition of a photovoltaic panel
12/30/2010US20100330687 Ultra-sensitive detection techniques
12/30/2010US20100327889 Position detecting device
12/30/2010US20100327888 Method for determining the size and shape measure of a solid material in an arc furnace, an arc furnace, a signal processing device and program code and a memory medium
12/30/2010US20100327887 Chopper-stabilized instrumentation amplifier for impedance measurement
12/30/2010US20100327886 Measurement device, measurement system, and concentration measurement method
12/30/2010US20100327885 Method for estimating and removing air wave response in marine electromagnetic surveying
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