Patents
Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286)
05/2001
05/22/2001US6236276 Method for seeking and setting a resonant frequency and tuner operating according to the method
05/17/2001DE19948384A1 Anordnung zum Bestimmen der komplexen Übertragungsfunktion eines Messgerätes Arrangement for determining the complex transfer function of a measuring instrument
05/16/2001EP1099119A1 Signalling system
05/16/2001EP1099118A1 Method for determining very low capacitance and the use thereof
05/15/2001US6233706 Method and apparatus for limited access circuit test
05/15/2001US6233205 Built-in self test method for measuring clock to out delays
05/15/2001US6232845 Circuit for measuring signal delays in synchronous memory elements
05/15/2001US6232786 Apparatus and method for measuring conductivity
05/15/2001US6232760 Method for determining and compensating the transmission function of a measurement apparatus, in particular of a spectrum analyzer
05/10/2001DE10053377A1 Gerät und Verfahren zur Dickenmessung Apparatus and method for measuring the thickness
05/09/2001EP1097386A1 Adaptive driver with capacitive load sensing and method of operation
05/09/2001EP1097385A1 Capacitative voltage divider for measuring high voltage pulses with a millisecond pulse duration
05/09/2001CN1065682C Checker usign measuring device, arm device and cylindrical surface peripheral movement
05/08/2001US6230106 Method of characterizing a device under test
05/03/2001WO2001031351A1 Highly configurable capacitive transducer interface circuit
05/03/2001DE19949977A1 Determining presence of inorganic, organic or oxide layers on metallic substrates comprises arranging electrode at distance to surface, and measuring frequency change as consequence of temperature change
05/03/2001DE19946315A1 Leitfähigkeitssensor Conductivity sensor
05/02/2001EP1095402A2 Process for the preparation of epitaxial wafers for resistivity measurements
05/01/2001US6225813 Portable apparatus for in situ field stator bar insulation capacitance mapping
05/01/2001US6225810 Loop resistance tester (LRT) for cable shield integrity
05/01/2001US6225802 Apparatus for automatic measurement of resistance of integrated MR device
05/01/2001CA2119435C Self diagnostic ph sensor
04/2001
04/26/2001WO2001029500A2 A digital eddy current proximity system: apparatus and method
04/26/2001DE10045439A1 Monitor of grounding system
04/25/2001CN1292498A Equipment for monitoring adhesion condition of liquid-paste medium on adherend object
04/19/2001WO2001027648A1 Method of characterizing a device under test
04/19/2001WO2001027605A1 Highly time resolved impedance spectroscopy
04/19/2001DE10018745A1 Hoch-zeitauflösende Impedanzspektroskopie High-resolution time-impedance spectroscopy
04/19/2001CA2387998A1 Highly time resolved impedance spectroscopy
04/17/2001US6219305 Method and system for measuring signal propagation delays using ring oscillators
04/17/2001US6218848 Semiconductor probe card having resistance measuring circuitry and method of fabrication
04/17/2001US6218845 Slotline calibration standard kit for network analyzer and calibration method using same
04/12/2001WO2001025811A1 Arrangement for determining the complex transmission function of a measuring device
04/11/2001EP1090303A1 Method and device for monitoring an electrode line of a bipolar high voltage direct current (hvdc) transmission system
04/10/2001US6215313 Diagnostic method and apparatus for detecting high electrical harness resistance
04/10/2001US6214487 Integral sensors for monitoring a fuel cell membrane and methods of monitoring
04/04/2001EP1089072A2 Conductivity sensor
04/04/2001CN1289931A Circuit for testing allowable current of capacitor
04/03/2001US6212446 Method and apparatus for detecting out-of-step in electric power system
04/03/2001US6211682 Method and circuitry for measuring loop resistance
04/03/2001US6211513 Automated test system and method for device having circuit and ground connections
03/2001
03/29/2001WO2001022104A1 Method for detection of high-impedance ground faults in a medium-voltage network
03/28/2001EP1086443A1 Conductive security article and method of manufacture
03/28/2001CN1289051A DC system earthing-point detecting method
03/27/2001US6208947 Method in an integrated circuit (IC) manufacturing process for identifying and redirecting IC's mis-processed during their manufacture
03/27/2001US6208945 Harmonic component measuring method for power system
03/27/2001US6208152 Redundant resistor matching detector with constant percentage threshold
03/27/2001US6208147 Method of and apparatus for measuring battery capacity by impedance spectrum analysis
03/27/2001US6208146 Method and apparatus for measuring contact resistance for spot welding simulations
03/22/2001WO2001020599A1 Ratio method for measurement of mr read head resistance
03/22/2001WO2001020352A1 Quantitative imaging of dielectic permittivity and tunability
03/21/2001EP1084418A1 Turning center with integrated non-contact inspection system
03/20/2001US6204673 Method and apparatus using feedback to correct the production of magnitude and phase relationships between two sinusoidal signals for use in a ratio-transformer capacitance bridge
03/20/2001US6204671 Thermal printer and resistance data measuring device for thermal head of the same
03/20/2001US6204659 Inductance change detection circuit
03/20/2001US6204656 Miniature sensor for lubricant analysis
03/20/2001US6204638 Method for charging capacitor
03/15/2001DE10041731A1 Miniature reference point cell for temperature sensor in-situ calibration uses coaxial inner and outer crucibles of different ceramic materials
03/13/2001US6201400 Bulls-eye mid-frequency impedance probe
03/13/2001US6201399 Automatic calibration system for apparatus for measuring variations in thickness of eleongated samples of thin plastic film
03/08/2001WO2001016811A1 Capacitance measurement between conductors in a multilevel integrated circuit
03/06/2001US6198295 Apparatus and method for detecting electrical resistance change in connectors to a remote mounted sensor
03/06/2001US6198294 In-situ backgrind wafer thickness monitor
03/01/2001WO2001014897A1 Method and device for measuring the ohmic resistance of a stator circuit of an induction machine
03/01/2001WO2001014895A1 Circuit and method for evaluating capacitances
03/01/2001DE19937387C1 Vorrichtung zur Überwachung eines Auftrags eines flüssigen bis pastenförmigen Mediums auf ein Substrat Apparatus for monitoring the deposition of a liquid-to-pasty medium on a substrate
03/01/2001DE19934644A1 Schaltungsanordnung zur Messung eines veränderlichen Widerstandes A circuit arrangement for measuring a variable resistor
02/2001
02/28/2001EP1079591A2 Loop impedance measuring apparatus and method for subscriber loop interface circuits
02/28/2001EP1079235A1 Method and system for testing an electrical component
02/28/2001EP1079233A1 Method and device for measuring an antenna impedance
02/28/2001EP1079203A1 Capacitive monitoring of the application of an adhesive on a substrate with complex permittivity
02/28/2001EP1078283A1 Capacitive measuring system and a measuring method for such a capacitive measuring system
02/27/2001US6194903 Circuit for acquisition of the capacitance or capacitance change of a capacitive circuit element or component
02/27/2001US6194888 Impedance-to-voltage converter and converting method
02/27/2001US6194679 Four electrical contact testing machine for miniature inductors and process of using
02/21/2001EP1077367A1 Capacitive force gauge
02/20/2001US6191723 Fast capacitance measurement
02/15/2001WO2001011377A1 Method and device for individually determining the ageing condition of a capacitor
02/15/2001WO2001010575A1 Four electrical contact testing machine for miniature inductors and process of using
02/13/2001US6188968 Removing effects of adapters present during vector network analyzer calibration
02/08/2001WO2001009625A1 Capacitive detector
02/08/2001WO2001009586A2 Improved optical method for measuring thin metal films
02/07/2001EP1073910A1 Paper stock zeta potential measurement and control
02/07/2001CN2418489Y Circuit-protective resistance-measuring instrument
02/07/2001CA2314813A1 Apparatus monitoring the deposition of a liquid-to-pasty medium on a substrate
02/06/2001US6184688 Method of measuring insulation resistance of capacitor and apparatus for screening characteristics
02/06/2001CA2080067C Device and method for identifying and quantifying layered substances
01/2001
01/31/2001EP1072896A2 Circuit for measuring a variable resistance
01/30/2001US6181144 Semiconductor probe card having resistance measuring circuitry and method fabrication
01/30/2001US6181142 Nonlinear current mirror for loop-gain control
01/30/2001US6181141 Failsafe monitoring system for potentiometers and monitor interface
01/25/2001WO2001006472A2 Proximity sensor
01/25/2001WO2001006269A1 Method for measuring loss
01/25/2001DE19951015C1 Process for characterizing metal electrodes of ceramic sensor electrodes comprises using multi-step measuring process
01/25/2001DE19932250A1 Verfahren zur Messung des ohmschen Widerstands einer elektrischen Verbindung und eines über diese elektrische Verbindung angeschlossenen Zünders einer Insassenschutzeinrichtung sowie einer Verbindung eines metallischen Gehäuseteils mit einem Massepotential A method for measuring the ohmic resistance of an electrical connection and a connected via this electrical connection igniter of an occupant protection device as well as a compound of a metallic casing member with a ground potential
01/25/2001DE19846870C1 Verfahren zur Bestimmung der Impulsantwort eines breitbandigen linearen Systems und Meßanordnung zur Durchführung des Verfahrens A method of determining the impulse response of a broadband linear system and measuring arrangement for carrying out the method
01/24/2001CN2416507Y Earthing electric resistance monitoring apparatus
01/23/2001US6177803 Monitoring elements in a multi-phase alternating current network
01/18/2001WO2001004662A1 Propagating wave earth formation resistivity measuring arrangement
01/18/2001WO2001004647A1 Method for verifying an electrical connection between a metallic housing part of a load element and a mass potential