Patents
Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286)
06/2010
06/10/2010US20100141277 Capacitive position sensor
06/10/2010US20100141276 Method for detecting unauthorized access
06/10/2010US20100141275 Electrostatic capacitance detection device, electrostatic capacitance detection circuit, electrostatic capacitance detection method, and initialization method
06/10/2010US20100141274 Method for Measuring the Thickness of Multi-Layer Films
06/10/2010US20100141273 Systems and methods for using ferrite alignment keys in wireless remote sensors
06/10/2010US20100141272 Read-out line
06/10/2010US20100141271 Device and method for detecting electrical properties of a sample of an excitable material
06/10/2010US20100141270 Process and device to measure at least one qualitative value of a fibrous web
06/10/2010US20100141268 System and method for measuring series-connected cell voltages using a flying capacitor with self calibration
06/09/2010EP2193340A2 Cancelling low frequency errors in mems systems
06/09/2010CN201503470U Alternating current short-circuit non-discharge type insulator detector
06/09/2010CN201503469U Digital megohmmeter
06/09/2010CN201503441U Internal resistance sampling concentrator for sealed valve-controlled lead-acid battery
06/09/2010CN1967270B Method and system for testing battery impedance spectroscopy
06/09/2010CN1691711B Method and apparatus for measuring electrical properties of communication lines
06/09/2010CN101728661A Monitoring low-resistance module grounding device
06/09/2010CN101726706A Tunneling resistor measuring system and measuring device structure thereof
06/09/2010CN101726672A Measuring method of electronic element and measuring device thereof
06/09/2010CN101726669A Capacitance change measuring circuit of capacitive sensor device, capacitive sensor module, method of measuring capacitance change of capacitive sensor device, and electronic device
06/09/2010CN101726668A Scanning control method of microwave signal analysis instrument and built-in scanning controller
06/09/2010CN101726667A Insulation detecting method and device for electric automobile
06/09/2010CN101726666A Short-circuit impedance tester
06/09/2010CN101726638A Isolating circuit and impedance detecting circuit having the same
06/09/2010CN101285858B Radio frequency stationary wave and power simple detection device based on UHF frequency range
06/08/2010US7734848 System and method for frequency offset testing
06/08/2010US7734442 Apparatus and method for a test and measurement instrument
06/08/2010US7733098 Saturation detection circuits
06/03/2010WO2010063026A1 Apparatus for high precision measurement of varied surface and material levels
06/03/2010WO2010062451A1 Determining intercardiac impedance
06/03/2010WO2010062229A1 Method and arrangement for through-line mismatch rf testing
06/03/2010WO2010062200A1 Improvements to energizers
06/03/2010WO2010060428A1 Current sensor capacitance measuring circuit
06/03/2010US20100134124 Misalignment detection devices
06/03/2010US20100134123 Sensor system having a magnetoelastic deformation element
06/03/2010US20100134122 Substrate, substrate holding apparatus, analysis apparatus, program, detection system, semiconductor device, display apparatus, and semiconductor manufacturing apparatus
06/03/2010US20100134114 Apparatus and Method for Three-Pole Type Measuring Specific Soil Resistance Measurement for Distribution Grounding
06/03/2010CA2744871A1 Apparatus for high precision measurement of varied surface and material levels
06/02/2010EP2191283A1 Time domain reflectometry system and method of use
06/02/2010EP2191257A1 Method for determining the capacity, resistance and energy density distribution in components with electromechanical double layer
06/02/2010DE112008001948T5 Gerät, Verfahren, Programm und Speichermedium für Fehlerfaktormessung und Output-Korrekturgerät und Messgerät für einen Reflektionskoeffizienten, welches mit dem Gerät für Fehlerfaktormessung ausgestattet ist Device, method, program and storage medium for measurement error factor and output correction device and the measuring device for a reflection coefficient which is equipped with the device for measurement error factor
06/02/2010CN201497796U Relay protection detector
06/02/2010CN1784881B Method and arrangement for signal loop test
06/02/2010CN101720432A Methods and apparatus for measuring blood coagulation
06/02/2010CN101719660A Method for automatically resetting grounding protection device of small-current system
06/02/2010CN101719416A U-shaped current transformer with on-line insulation-monitoring function
06/02/2010CN101718818A Conductivity sensor node used for wireless sensor network
06/02/2010CN101718800A Haplopore dilution method for determining seepage direction by electrical conductivity
06/02/2010CN101349714B Method for electrically measuring power line zero sequence impedance by industrial frequency interference source
06/02/2010CN101324645B Method and apparatus for measuring and calculating hybrid power vehicle high-pressure energy management system insulating resistance
06/02/2010CN101295126B Lens seat testing device and method
06/02/2010CN101251557B Built-in permanence resistor automatic calibration method for high-precision circuit
06/02/2010CN101158701B High voltage system electric voltage and insulation resistance measurement circuit
06/01/2010US7728603 Test method for a variable capacitance measuring system
06/01/2010US7728250 RF sensor clamp assembly
06/01/2010US7727004 Testing a high speed serial bus within a printed circuit board
05/2010
05/27/2010WO2010059900A1 Digital compensator for power supply applications
05/27/2010US20100127720 Current measuring circuit
05/27/2010US20100127719 Electromigration testing and evaluation apparatus and methods
05/27/2010US20100127718 Electro-mechanical fluid sensor
05/27/2010US20100127717 System and method for determining touch positions based on passively-induced position-dependent electrical charges
05/27/2010US20100127716 Radio-frequency ion channel probe
05/27/2010US20100127715 Semiconductor physical quantity sensor and control device using the same
05/27/2010US20100125937 Conductivity sensor and urinal with conductivity sensor
05/26/2010EP2189799A1 Apparatus and method for three-pole type measuring of specific soil resistance for distribution grounding
05/26/2010CN201489096U Device for detecting internal resistance of storage battery
05/26/2010CN201489071U Leakage current resistance sampling sensor for high voltage capacitive equipment
05/26/2010CN201489066U Insulating monitoring intelligent fault monitoring alarm device inside DC screen
05/26/2010CN201489055U Frozen soil dielectric constant measurement clamp
05/26/2010CN201489054U Device for measuring state of oil or fat
05/26/2010CN201489023U Wafer transportation box
05/26/2010CN1823275B Method and apparatus for smoothing current consumption in an integrated circuit
05/26/2010CN1598603B Device and method for testing capacitor array in integrated circuit
05/26/2010CN1510535B Portable electronic device containing capacitive water tester and implementing method
05/26/2010CN1374727B 保护继电装置 Protective relay devices
05/26/2010CN101713721A Experimental device and experimental method for transformer oilpaper insulating thermal ageing
05/26/2010CN101122627B Semi-conducting material thermoelectricity performance test system
05/26/2010CN101044409B Device and handling system for measurement of mobility and sheet charge density in conductive sheet material
05/25/2010US7725356 Network-based system for selecting or purchasing hardware products
05/25/2010US7724018 Methods and apparatus for translated wafer stand-in tester
05/25/2010US7724002 Capacitive sensor
05/25/2010US7724001 Capacitance sensing circuit
05/25/2010US7724000 Method of automatically testing an electronic circuit with a capacitive sensor and electronic circuit for the implementation of the same
05/25/2010US7723053 High-throughput screen for identifying selective persistent sodium channels channel blockers
05/25/2010US7721609 Method and apparatus for sensing the force with which a button is pressed
05/20/2010WO2010056431A2 Method and system for estimation of source impedence on electrical distribution lines
05/20/2010WO2010014627A3 Data measurement methods and systems
05/20/2010US20100123469 System and method for protecting circuit boards
05/20/2010US20100123468 Method and apparatus for optimizing wheatstone bridge robust in change in temperature
05/20/2010US20100123466 System and Method for Corner Frequency Compensation
05/20/2010DE102008058753A1 Verfahren und Vorrichtung zum Ermitteln von elektrischen Schweißkreisgrößen Method and apparatus for determining electrical welding circuit sizes
05/20/2010CA2743580A1 Method and system for estimation of source impedence on electrical distribution lines
05/19/2010EP2186568A1 Assembly for thermal ycler for PCR
05/19/2010CN201477194U Insulation detector for high-voltage motor
05/19/2010CN201477175U Multifunctional test pencil
05/19/2010CN201477162U Capacitive device medium loss angle online monitoring device
05/19/2010CN201477161U Microflow constant flow device
05/19/2010CN201477160U Automatic resistance box checking system
05/19/2010CN201477159U Electrolytic capacitor polarity recognizer
05/19/2010CN201477158U Element resistance value detection circuit
05/19/2010CN101710157A EMI internal impedance measuring method based on double-resistance calibration and Marquardt method