Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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01/13/2009 | US7476891 Fault detection method and apparatus |
01/08/2009 | WO2009006557A1 Method for improving scan time and sensitivity in touch sensitive user interface device |
01/08/2009 | WO2009005392A1 Electroimpedance computer mammograph |
01/08/2009 | WO2009003395A1 A wide range and high accuracy on-line current and temperature measuring device and method |
01/08/2009 | US20090011430 Electrical detection using confined fluids |
01/08/2009 | US20090009196 Analogue measurement of alignment between layers of a semiconductor device |
01/08/2009 | US20090009195 Method for improving scan time and sensitivity in touch sensitive user interface device |
01/08/2009 | US20090009194 Normalizing capacitive sensor array signals |
01/08/2009 | US20090009193 Moisture-Sensitive Element with an Interdigital Capacitor and Fabrication thereof |
01/08/2009 | US20090009192 System and Method For Package Inspection |
01/08/2009 | US20090009190 Inspection Apparatus Using Terahertz Wave |
01/08/2009 | US20090009189 Apparatus and method for the measurement of mass and/or moisture of dielectric objects |
01/08/2009 | US20090009188 Structural health monitoring sensor system and method using resonant transmission line sensors |
01/08/2009 | US20090009187 Method for identifying connected device and electronic device using the same |
01/08/2009 | US20090008641 Probe resistance measurement method and semiconductor device with pads for probe resistance measurement |
01/08/2009 | DE202008013982U1 Messsystem zum Bestimmen von Streuparametern Measuring system for determining scattering parameters |
01/07/2009 | CN201177654Y Motor rotor test apparatus |
01/07/2009 | CN101341413A Measurement arrangement for determining the characteristic line parameters by measuring scattering parameters |
01/07/2009 | CN101339230A Method and apparatus for measuring battery internal resistance |
01/07/2009 | CN101339218A Piezoresistor test method |
01/07/2009 | CN101339214A Accumulator internal resistance measurement method |
01/07/2009 | CN101339213A Method for correct measurement for wave-guide wide edge gap admittance of millimeter wave frequency range |
01/07/2009 | CN100449903C Intelligent power arrester |
01/07/2009 | CN100449406C Resistance measuring system and measuring method using same |
01/07/2009 | CN100449253C A method and a device for electromagnetic measurement of thickness and electrical conductivity |
01/06/2009 | US7474999 Method for accounting for process variation in the design of integrated circuits |
01/06/2009 | US7474986 Defect analyzer |
01/06/2009 | US7474975 Method to verify the outcome of calibration with a network analyzer |
01/06/2009 | US7474106 Semiconductor device including fuse and method for testing the same capable of suppressing erroneous determination |
01/06/2009 | US7474105 Soil moisture sensor systems and methods |
01/06/2009 | US7474104 Wafer-to-wafer alignments |
01/02/2009 | DE202008013687U1 Messanordnung mit Kalibriersubstrat und elektronischer Schaltung Measuring system with calibration substrate and electronic circuit |
01/02/2009 | DE102007029126A1 Errors e.g. assembly errors, locating device for electronic printed circuit board, has analysis device to detect level of supply current of sensor electronics as measure of strength of coupling of signals of board to capacitive sensor |
01/01/2009 | US20090006014 Non-Destructive Electrical Characterization Macro and Methodology for In-Line Interconnect Spacing Monitoring |
01/01/2009 | US20090003991 System and method for turbine engine clearance control with rub detection |
01/01/2009 | US20090001999 Proximity Sensor with Connection Hole, and Method for Manufacturing the Same |
01/01/2009 | US20090001998 Capacitance Detecting Apparatus |
01/01/2009 | US20090001997 Systems and methods for determining a total acid number associated with biodiesel in a mixture of biodiesel and petrodiesel |
01/01/2009 | US20090001994 Semiconductor device including fuse and method for testing the same capable of suppressing erroneous determination |
12/31/2008 | WO2009001001A2 Method for driving a micro-hybrid system for vehicle and an energy storage unit, and hybrid system for implementing same |
12/31/2008 | WO2009000569A1 Method for testing a container warning device of a compensation container, and testing apparatus for testing a container warning device |
12/31/2008 | WO2008113943A3 Impedance measuring device |
12/31/2008 | EP2007540A1 Thermoconductimetric analyzer for soldering process improvement |
12/31/2008 | CN201173963Y Analogue battery equipment |
12/31/2008 | CN201173953Y Portable double-display automatic range digital megameter |
12/31/2008 | CN201173952Y Universal grounding resistance instrument |
12/31/2008 | CN101334426A Four-wire ohmmeter connector and ohmmeter using same |
12/31/2008 | CN100448119C Fuel pump brush performance testing workbench |
12/31/2008 | CN100447822C Human body detection sensor |
12/31/2008 | CN100447575C Method for identifying abnormal condition in power transformer |
12/30/2008 | US7471093 Capacitive humidity sensor |
12/30/2008 | US7469547 Arrangement for detecting the position of a damper blade using a wireless communication sensor |
12/30/2008 | CA2396448C Method and apparatus for determining the internal impedance of a distribution transformer and sensing dc current through an ac power meter |
12/25/2008 | US20080315897 Induction coil resistance tester |
12/25/2008 | US20080315896 Techniques and apparatus for the measurement of mutual inductance in a switched reluctance machine |
12/25/2008 | US20080314431 Thermal cycler for PCR |
12/25/2008 | US20080314149 Sensor and transducer devices comprising carbon nanotubes, methods of making and using the same |
12/24/2008 | WO2008157795A1 Methods and apparatus for measuring blood coagulation |
12/24/2008 | WO2008157554A1 Sensor system and air coil |
12/24/2008 | WO2008156697A1 A mechanical oscillator activated or deactivated by a predetermined condition |
12/24/2008 | WO2008156289A2 Delay time measurement circuit and method |
12/24/2008 | WO2008154976A1 Method and device for the calibration of network analyzers using a comb generator |
12/24/2008 | EP2006694A1 Localised insulation control and measurement device for a power grid with insulated neutral |
12/24/2008 | EP2006692A2 A sample channel signal calibrating method for impedance testing and an impedance testing method |
12/24/2008 | EP2005148A1 Dielectric sensing method and system |
12/24/2008 | EP1382083B1 Tunable multiplexer |
12/24/2008 | EP1373030B1 Occupant sensor |
12/24/2008 | DE19705260B4 Anordnung zum Erfassen mindestens einer dielektrischen Eigenschaft eines Stoffes Means for detecting at least one dielectric property of a substance |
12/24/2008 | DE10308279B4 Interferenzaufhebung in einem Antennentest Interference cancellation in an antenna test |
12/24/2008 | DE102008028384A1 Verbinder für ein 4-Draht-Widerstandsmessgerät sowie diesen verwendendes Widerstandsmessgerät A connector for a 4-wire resistance measurement device, and this resistance meter-use |
12/24/2008 | DE102008002444A1 Test equipment for testing of test object, has network analyzer for creating stimulus signal at test object and for evaluating reply signal of test object in reaction to creation of stimulus signal |
12/24/2008 | DE102007059365A1 Elektronische Überwachungsschaltung zur Überwachung der elektrischen Verbindung von mindestens zwei Geräten Electronic monitoring circuit for monitoring the electrical connection of at least two devices |
12/24/2008 | DE102007028725A1 Verfahren und Vorrichtung zur Kalibrierung von Netzwerkanalysatoren mit einem Kammgenerator Method and apparatus for calibrating network analyzers with a comb generator |
12/24/2008 | DE102007028335A1 Capacitive measuring system for use with three electrode measuring principle for generator, has electronic evaluation unit, and switching device is provided, which is arranged and adapted in switching structure for processing input signal |
12/24/2008 | DE102007026784A1 Electronic switch unit's capacitance-voltage-characteristic curve determining method, involves determining inter electrode capacitance-current intensity by difference of static inter electrode current intensity and dynamic current intensity |
12/24/2008 | CN101331403A Eliminating inline positional errors for four-point resistance measurement |
12/24/2008 | CN101329376A Device and method for measuring dielectric constant and dielectric loss of sample under low high temperature and high voltage |
12/24/2008 | CN101329375A Device and method for measuring dielectric constant and dielectric loss of sample under low temperature and high voltage |
12/24/2008 | CA2692073A1 A mechanical oscillator activated or deactivated by a predetermined condition |
12/23/2008 | US7469348 Method for dynamic insertion loss control for 10/100/1000 MHz Ethernet signaling |
12/23/2008 | US7469195 Integrated stepwise statistical process control in a plasma processing system |
12/23/2008 | US7468608 Device and method for detecting a substance of a liquid |
12/18/2008 | WO2008152466A2 Insulation fault detection device |
12/18/2008 | WO2008085771A3 Improved sensitivity capacitive sensor |
12/18/2008 | US20080312857 Input/output multiplexer bus |
12/18/2008 | US20080309354 Method and apparatus for testing characteristic impedance of transmission lines |
12/18/2008 | US20080309353 Capacitive touch sensor |
12/17/2008 | EP2002270A2 High performance miniature rf sensor for use in microelectronics plasma processing tools |
12/17/2008 | CN201166917Y Automatic cycle test device for resistances |
12/17/2008 | CN201166688Y Automatic tester for ground resistance |
12/17/2008 | CN201166682Y Test circuit special for multimeter adaptive voltage cascade low-resistance |
12/17/2008 | CN201166564Y Non-contact test system for solar wafer |
12/17/2008 | CN101324645A Method and apparatus for measuring and calculating hybrid power vehicle high-pressure energy management system insulating resistance |
12/17/2008 | CN101324644A Method for measuring electric conductivity of metal thin film under microwave band frequency |
12/17/2008 | CN101324643A Device and method for testing transmission line characteristic impedance |
12/16/2008 | US7466150 Apparatus and method for generating a power signal from a load current |
12/16/2008 | US7466149 Electronic system and software for multielectrode sensors and electrochemical devices |
12/16/2008 | US7466148 Sensor system for measuring an electric potential signal of an object |
12/16/2008 | US7466147 Fluid quality sensor |
12/16/2008 | US7466146 Frozen material detection using electric field sensor |