Patents
Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286)
01/2008
01/10/2008DE102007027142A1 Verfahren und Vorrichtung zur Kalibrierung eines Netzwerkanalysators für Messungen an differentiellen Anschlüssen Method and apparatus for calibrating a network analyzer for measurements of differential terminals
01/10/2008DE102006061144A1 Method for exciting and measuring port groups of multiport measurement object, involves exciting port groups with equal frequency and coherent traveling waves, where network analyzer has unbalanced-to-ground measurement ports
01/10/2008DE102006031053A1 Anordnung zum Bestimmen der Betriebskenngrößen eines Hochfrequenz-Leistungsverstärkers Arrangement for determining the operating characteristics of a high frequency power amplifier
01/10/2008DE102006031046A1 Anordnung zum Bestimmen der Betriebkenngrößen eines Hochfrequenz-Leistungsverstärkers Arrangement for determining the operating characteristics of a high frequency power amplifier
01/10/2008CA2658101A1 Hf measurement system, method for the calibration thereof, and method for determining scattering parameters with this hf measurement system
01/09/2008EP1876455A1 Method for measuring the insulating resistance in an IT network
01/09/2008EP1875253A1 Method of detecting soil structure using voltage slope and measuring earth resistance
01/09/2008EP1875252A1 Method and apparatus for monitoring the earth loop impedance of an electrical installation
01/09/2008CN201004080Y Power carrier high-frequency channel parameter testing device
01/09/2008CN101101310A Method for measuring the insulation resistance in an it network
01/08/2008US7318002 Method and apparatus for automated testing of display signals
01/08/2008US7318000 Biometric quality control process
01/08/2008US7317326 Inspection device and inspection method for active matrix panel, and manufacturing method for active matrix organic light emitting diode panel
01/08/2008US7317321 Methods and systems for automated pipeline testing
01/08/2008US7317320 Method and apparatus for measuring body fat by using bioelectrical impedance
01/08/2008US7317319 Measuring method for electromagnetic field intensity and apparatus therefor, measuring method for electromagnetic field intensity distribution and apparatus therefor, measuring method for current and voltage distributions and apparatus therefor
01/08/2008US7317318 FEXT cancellation of mated RJ45 interconnect
01/08/2008US7317317 Shielded micro sensor and method for electrochemically monitoring residue in micro features
01/08/2008US7317308 System and method for measuring electric current in a pipeline
01/08/2008US7316845 Metal or glass medical device or implant with a net anionic surface coated with a block brush copolymer, dendritic copolymer or linear copolymer having a polycationic block that binds to the surface and a non-tissue binding block that prevents attachment of proteins or cells
01/08/2008US7316167 Method and apparatus for protection of contour sensing devices
01/08/2008CA2539331C Apparatus and process for detecting condensation in a heat exchanger
01/03/2008WO2008000631A1 Method for determining the load impedance of a measuring transducer
01/03/2008US20080004820 Method of measuring characteristic impedance of electrostatic discharge protecting circuit and apparatus for realizing the same
01/03/2008US20080004819 Method and Apparatus for Measuring Electric Circuit Parameters
01/03/2008US20080001610 Apparatus and method of water absorption test for generator stator winding insulator using cross capacitance
01/03/2008US20080001609 Nondestructive inspection method and apparatus for a surface processed by shot peening
01/03/2008US20080001607 Fall detection device and magnetic disk drive
01/03/2008DE202006020208U1 Messvorrichtung Measuring device
01/02/2008EP1872144A1 Capacity measuring circuit
01/02/2008EP1872143A2 Method and device for measuring resistance
01/02/2008EP1872142A1 Calibration device and calibration method for adjusting a directional coupler measuring system
01/02/2008CN100359330C Supercapacitance dynamic monitor on vehicle
01/02/2008CN100359328C Connector for measuring electric resistance, apparatus and method for measuring electric resistance of circuit board
01/01/2008US7315731 Method of measuring and calibrating frequency down converter
01/01/2008US7315174 Method of measuring flat-band status capacitance of a gate oxide in a MOS transistor device
01/01/2008US7315173 Method of measuring electric field distribution and electric field distribution measuring instrument
01/01/2008US7315170 Calibration apparatus and method using pulse for frequency, phase, and delay characteristic
12/2007
12/27/2007WO2007149549A2 Configurable electronic controller for capacitance measurements
12/27/2007WO2007148873A1 Touch sensor and operating method thereof
12/27/2007WO2007147511A2 Method and device for calibrating a network analyzer used for measurements on differential terminals
12/27/2007US20070299624 Method for protection of sensor node's data, a systems for secure transportation of a sensor node and a sensor node that achieves these
12/27/2007US20070296421 Voltage drop measurement circuit
12/27/2007DE102004028681B4 Verfahren und Vorrichtung zur Bestimmung des Verhältnisses zweier Widerstände Method and apparatus for determining the ratio of two resistors
12/26/2007EP1870717A1 System and method for determining phase-to-earth admittances of a three-phase electric line
12/26/2007EP1869437A1 Method and device for measuring the condition of steel structures
12/26/2007CN200996979Y Accumulator internal-resistance tester based on 485 bus mode
12/26/2007CN101095048A Conductivity measurement and monitoring system for a fluid treatment system
12/26/2007CN101093237A Method and system for measuring echo return loss in Ethernet
12/26/2007CN101093236A Circuit for measuring AC and DC superposed magnetic characteristic
12/26/2007CN101093235A System for measuring internal impedance of noise source of switching power supply EMI based on Hilbert transform and current probe, and measuration method
12/25/2007US7313496 Test apparatus and test method for testing a device under test
12/25/2007US7313490 Wavelet analysis of one or more time domain reflectometry (TDR) signals to determine one or more characteristics of one or more anomalies in a wire
12/25/2007US7312616 Successive approximate capacitance measurement circuit
12/21/2007WO2007145156A1 Substrate inspecting device
12/21/2007WO2007143786A1 A system for complex impedance measurement
12/20/2007US20070294342 Specifying products over a network
12/20/2007US20070294341 Pricing products over a network
12/20/2007US20070292996 Method and structure to process thick and thin fins and variable fin to fin spacing
12/20/2007US20070289392 Method and apparatus for protection of contour sensing devices
12/20/2007DE102007003850A1 Spalterfassungsvorrichtung für Laserstrahlmaschine, Laserstrahlbearbeitungssystem und Spalterfassungsverfahren für Laserstrahlmaschine Gap detection device for laser machine, laser machining system and gap detection methods for laser beam machine
12/20/2007DE102006027333A1 Vorrichtung und Verfahren zur elektrochemischen Bearbeitung von Werkstücken Apparatus and method for electrochemical machining of workpieces
12/19/2007EP1625736B1 Method and arrangement for loop test of a disturbed line
12/19/2007CN200993663Y Microwave network analytic instrument
12/19/2007CN101091118A System for diagnosing impedances having accurate current source and accurate voltage level-shift
12/18/2007US7309995 Noncontact conductivity measuring instrument
12/18/2007US7309994 Integrated directional bridge
12/13/2007WO2007140627A1 A method for determining the linear electrical response of a transformer, generator or electrical motor
12/13/2007WO2007030628A3 Longitudinal balance measuring bridge circuit
12/13/2007US20070288190 Increase productivity at wafer test using probe retest data analysis
12/13/2007US20070285110 Methods and Systems for Monitoring the Displacement of Turbine Blades
12/13/2007US20070285109 Method and device for characterizing the linear properties of an electrical component
12/13/2007US20070285108 Network Analyzer, Transmission Tracking Error Measuring Method, Network Analyzing Method, Program, And Recording Medium
12/13/2007US20070284669 Method and structure to process thick and thin fins and variable fin to fin spacing
12/12/2007CN200989923Y AC DC superposed magnetic performance testing device
12/12/2007CN200988037Y Battery sorter
12/12/2007CN101088015A On silicon interconnect capacitance extraction
12/12/2007CN101088008A Measuring device and method for determining a dielectric property, particularly humidity and/or density, of a product
12/12/2007CN100355054C Reliability screening method of infrared focus planardetector
12/11/2007US7308376 Computer platform automatic testing method and system
12/11/2007US7307485 Capacitance sensor using relaxation oscillators
12/11/2007US7307431 System and method for microwave non-destructive inspection
12/11/2007US7307430 Open offset canceling method and an impedance measuring apparatus using the method
12/11/2007US7307412 Inductive measurement system and method
12/06/2007WO2007137786A1 Method and device for measuring the capacitance of a capacitive component
12/06/2007WO2007137404A1 Dielectric mapping device and method
12/06/2007WO2007080073A8 Method for carrying out a frequency change
12/06/2007US20070282548 Method and Apparatus for Assessing Condition of Motor-Driven Mechanical System
12/05/2007EP1862806A1 Method and device for measuring the capacitance of a capacitive component
12/05/2007EP1861723A2 One terminal capacitor interface circuit
12/05/2007EP1861699A1 System and method for determining characteristics of a moving material by using microwaves
12/05/2007CN200986578Y Low noise amplifier monitor alarming device
12/05/2007CN200986576Y Device for detecting ª™/4 network
12/05/2007CN101084432A Measuring device and method for recognizing foreign bodies in a product, particularly in tobacco, cotton or another fiber product
12/05/2007CN101083218A Chip for measuring Ohm contact deterioration failure of semicondutor device and its measuring method
12/05/2007CN101082646A Two terminal electron component characteristic integrated tester
12/05/2007CN101082644A Method for mirror-image constant flow source measuring capacitance
12/05/2007CN101082643A stationary wave power monitoring instrument and working method thereof
12/05/2007CN100353364C Test mode control circuit for reconfiguring a device pin of an integrated circuit chip
12/05/2007CN100353169C Method for testing electronic component and its instrument