| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 04/25/2000 | US6054851 Induced current absolute position transducer method using a code-track-type scale and read head |
| 04/20/2000 | DE19845562C1 Method to determine on-board network state of vehicle; involves evaluating instantaneous or time-averaged voltage from which transient alterations has been filtered as battery voltage, and assessing whether this reaches critical threshold |
| 04/19/2000 | EP0994358A2 Procedure for determining the puls response of a broad band linear system and measuring system for the same |
| 04/19/2000 | CN1250879A Method for high-precision measurement of high-temp. and low-temp. phase-changing resistances |
| 04/19/2000 | CN1250878A High-precision equipment for measuring high-temp. and low-temp. phase-changing resistances |
| 04/19/2000 | CN1250875A Method for measuring resistance of welded position of cathode in aluminium electrolyzer |
| 04/19/2000 | CN1250874A Method and device for measuring resistivity of carbon-contained refractory material |
| 04/18/2000 | US6052653 Spreading resistance profiling system |
| 04/18/2000 | US6051978 TDR tester for x-y prober |
| 04/13/2000 | WO2000003252A3 Multi-point probe |
| 04/13/2000 | DE19842540A1 Ohmic rotor impedance measurement method for asynchronous machine, involves applying test signal with ac component of frequency corresponding to slip frequency |
| 04/12/2000 | EP0992806A2 Method and apparatus for canceling errors induced by the measurement system during circuit test |
| 04/12/2000 | EP0992803A2 Method and apparatus for limited access circuit test |
| 04/12/2000 | EP0992800A1 Apparatus and method for measuring the resonance frequency of an electric circuit |
| 04/11/2000 | US6049620 Capacitive fingerprint sensor with adjustable gain |
| 04/11/2000 | US6049212 Connector saving adapters and SWR bridge configuration allowing multiple connector types to be used with a single SWR bridge |
| 04/06/2000 | WO2000019219A1 Method for measuring the frequency characteristics of a passive quadripole in a waveguide |
| 04/06/2000 | WO2000019186A1 Method and device for measuring dielectric constant |
| 04/05/2000 | EP0990894A2 Method for determining the electrical conductivity of liquids |
| 04/05/2000 | EP0990164A1 Method and device for monitoring a cable |
| 04/05/2000 | EP0990161A2 Two port handheld vector network analyzer with frequency monitor mode |
| 04/05/2000 | EP0715724B1 Soil moisture sensor |
| 04/04/2000 | US6046595 Group delay estimate system using least square fit to phase response ramp |
| 04/04/2000 | US6046594 Method and apparatus for monitoring parameters of an RF powered load in the presence of harmonics |
| 04/04/2000 | CA2118619C Wafer release method and apparatus |
| 03/30/2000 | DE19844489A1 Verfahren zum Bestimmen der elektrischen Leitfähigkeit von Flüssigkeiten A method for determining the electrical conductivity of liquids |
| 03/30/2000 | DE19843542A1 Voltage loss and capacitance measurement method for high or medium tension electrical cable by making a series of measurements at varying temperatures |
| 03/30/2000 | DE19841715A1 Überwachungsverfahren und Überwachungsvorrichtung für ein Filter Monitoring method and apparatus for monitoring a filter |
| 03/29/2000 | CN2371562Y On-line testing and treating device for transformer oil |
| 03/29/2000 | CN1248826A Method and apparatus for measuring far end interference in order to determine isoelectric level for end interference |
| 03/28/2000 | US6043665 Capacitor charging current measurement method |
| 03/28/2000 | US6043640 Multimeter with current sensor |
| 03/23/2000 | WO2000016428A1 Method and apparatus for measuring complex impedance of cells and batteries |
| 03/23/2000 | WO2000016245A1 Method and system for biometric recognition based on electric and/or magnetic properties |
| 03/23/2000 | WO2000015456A1 Monitoring method and monitoring device for a filter |
| 03/23/2000 | WO2000004620A3 System and method for monitoring a vehicle battery |
| 03/23/2000 | CA2343408A1 Method and system for biometric recognition based on electric and/or magnetic properties |
| 03/22/2000 | CN1247988A Method for automatic measuring asynchronous machine rotor ohmic resistance |
| 03/22/2000 | CN1247987A Capacitance detecting circuit and its application |
| 03/16/2000 | WO2000014555A1 Diagnostic circuitry for measuring the resistance and leakage current of at least one electric consumer, especially a primer in a motor vehicle passenger protection system, and a passenger protection system fitted therewith |
| 03/16/2000 | WO2000014476A1 Measurements using tunnelling current between elongate conductors |
| 03/15/2000 | EP0985933A2 Method and apparatus to measure far end crosstalk for the determination of equal level far end crosstalk |
| 03/15/2000 | EP0985153A1 Miniature sensor for lubricant analysis |
| 03/15/2000 | CN2369253Y Voltage regulating circuit resistor tester |
| 03/15/2000 | CN1050454C Detecting and analysing method and appts. for reliability of semiconductor laser |
| 03/15/2000 | CN1050421C Device for measuring position of cable wire in cable cover |
| 03/14/2000 | US6037811 Current-controlled output buffer |
| 03/14/2000 | US6037790 In-situ contact resistance measurement for electroprocessing |
| 03/14/2000 | US6037780 Device for measuring transmission delay time in a transmission cable |
| 03/09/2000 | WO2000013032A1 Low-power/wideband transfer function measurement method and apparatus |
| 03/09/2000 | DE19940422A1 Sensor with capacitive element, e.g. for pressure or acceleration; has capacitive detection and reference elements and capacitance determination circuit to produce charge difference |
| 03/08/2000 | EP0592485B1 Method and device for extending the dynamic range in measurements carried out with a directional coupler |
| 03/08/2000 | CN1246616A Monitor of grounding system |
| 03/07/2000 | US6034592 Process for producing signals identifying faulty loops in a polyphase electrical power supply network |
| 03/07/2000 | CA2065843C Vernier voltage-to-digital converter |
| 03/07/2000 | CA2046344C Arrangement for processing sensor signals |
| 03/02/2000 | WO2000011485A1 Test device for testing a module for a data carrier intended for contactless communication |
| 03/02/2000 | DE19839121A1 Continuous and interruption free reading and processing system for data in data acquisition system with pair of dynamic data buffers |
| 03/02/2000 | DE19838111A1 Monitoring method for DC-link filter in HVDC power transmission installation |
| 03/01/2000 | EP0981800A2 Capacitive fingerprint sensor with adjustable gain |
| 03/01/2000 | CN1245898A Diagnosis method of earth screen corrosion and breakpoint of electric substation and its measurement and diagnosis system |
| 03/01/2000 | CN1049980C Automatic plotting apparatus for Rieke diagram of microwave device |
| 03/01/2000 | CN1049979C High temp. superconductive thin film microwave surface resistance testing device and method |
| 02/29/2000 | US6031457 Conductive security article and method of manufacture |
| 02/23/2000 | CN2365677Y Apparatus for measuring resistance quantity with one chip machine |
| 02/23/2000 | CN2365676Y Automatic-off portable digital pincerlike meter |
| 02/23/2000 | CN1049736C Numerical megger |
| 02/22/2000 | US6029051 Method and device for measuring the return loss of a radiofrequency signal |
| 02/22/2000 | US6028425 Signal generator |
| 02/22/2000 | CA2030070C Continuous monitoring system of the electrical conduction of a mains system |
| 02/17/2000 | WO2000008477A1 Quasi-hemispherical fabry-perot resonator and method for operating the same |
| 02/17/2000 | WO1999060615A3 Process for the preparation of epitaxial wafers for resistivity measurements |
| 02/17/2000 | DE19934970A1 Transformer core scanner for scanning cores before transformer production |
| 02/17/2000 | DE19923211A1 Kapazitiver Spannungsteiler zur Messung von Hochspannungsimpulsen mit Millisekunden-Impulsdauer Capacitive voltage divider for measuring high-voltage pulses with a millisecond pulse duration |
| 02/17/2000 | DE19850291C1 Capacitive measuring probe for continuous monitoring of container filling level; has integrated thermoelement positioned next to capacitive measuring electrode |
| 02/17/2000 | DE19834854A1 Quasi-hemisphärischer Fabry-Perot-Resonator und Verfahren zum Betreiben desselben Of the same quasi-hemispherical Fabry-Perot resonator and method of operating |
| 02/17/2000 | DE19833211A1 Verfahren zur Bestimmung sehr kleiner Kapazitäten und Verwendung Method for determination of very small capacity and use |
| 02/17/2000 | DE19833210A1 Amplifier circuit arrangement for capacitance measurements e.g. in finger print sensor |
| 02/16/2000 | EP0980004A2 Microscopic capacitance measurement system and probing system |
| 02/16/2000 | EP0979384A1 Path/angle sensor |
| 02/16/2000 | CN1244922A Apparatus for measuring impedance of a resonant structure |
| 02/15/2000 | US6025709 One port complex transmission and group delay measurements |
| 02/10/2000 | DE19833486A1 Lightning conductor tester; has central safety transformer through which measurement voltage is fed to lightning conductor measurement point using single wire cable to cause test current to flow |
| 02/09/2000 | EP0740777B1 Screened capacitive sensor |
| 02/08/2000 | CA2126756C Method for determining the short-circuit inductance of an asynchronous machine |
| 02/03/2000 | WO2000005596A1 Signalling system |
| 02/03/2000 | WO2000005592A1 Method for determining very low capacitance and the use thereof |
| 02/03/2000 | WO2000005589A1 Capacitative voltage divider for measuring high voltage pulses with a millisecond pulse duration |
| 02/03/2000 | WO2000004826A1 Body fat meter |
| 02/03/2000 | CA2338282A1 Signalling system |
| 02/02/2000 | EP0976203A1 Data communications terminal and method of adjusting a power signal generated therefrom |
| 02/02/2000 | EP0975983A2 Capacitance detection system and method |
| 02/02/2000 | EP0975982A1 Impedance detection apparatus and method |
| 02/02/2000 | EP0975691A1 Multifunctional polymeric tissue coatings |
| 02/02/2000 | CN1243254A Isofrequency measuring method for earth resistance and apparatus thereof |
| 02/01/2000 | US6020733 Two port handheld vector network analyzer with frequency monitor mode |
| 01/27/2000 | WO2000004620A2 System and method for monitoring a vehicle battery |
| 01/27/2000 | WO2000003896A1 Method and circuit for monitoring a primer circuit in the safety system of a vehicle |
| 01/27/2000 | CA2338234A1 System and method for monitoring a vehicle battery |
| 01/26/2000 | EP0974845A1 Apparatus for testing electric properties using a multi-point probe |