| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 04/28/1998 | US5744954 For measurement of existing physical properties in a ferromagnetic object |
| 04/21/1998 | US5742167 Film thickness measuring capacitive sensors |
| 04/21/1998 | US5740601 Method of manufacturing an impedance detector |
| 04/15/1998 | EP0836085A1 Resistance measuring circuit and resistance measuring method |
| 04/15/1998 | EP0835669A2 Differential recirculation monitor |
| 04/15/1998 | CN2278939Y AC and DC clamp-on multifunctional meter |
| 04/09/1998 | WO1998014789A1 Conductivity measuring apparatus and method |
| 04/09/1998 | DE19703898C1 Electrical resistance measurement tongs e.g. for heavy current cable |
| 04/09/1998 | CA2267281A1 Conductivity measuring apparatus and method |
| 04/08/1998 | CN1178581A Determining the dielectric properties of wood |
| 04/07/1998 | US5736864 Apparatus for ascertaining the complex dielectric constant of tobacco |
| 04/07/1998 | US5736861 Circuit breaker tester |
| 04/02/1998 | DE19736897A1 Calibration method for vectorial network channel analyser |
| 04/02/1998 | DE19640120A1 Circuit for checking switching matrix |
| 04/01/1998 | EP0833550A2 Circuit board with strain relief for connecting cable, process for manufacturing and connecting the same as well as its use |
| 04/01/1998 | EP0833423A2 Apparatus and method for monitoring an earth-leakage state of a power distribution system |
| 04/01/1998 | EP0833167A2 Device for calibrating a network analyser for on-wafer measurement of an integrated microwave circuit |
| 03/31/1998 | US5734268 For measuring a device under test on a network analyzer |
| 03/26/1998 | WO1998012569A1 Circuit to measure resistance and leakage |
| 03/24/1998 | US5731706 Method for efficient calculation of power sum cross-talk loss |
| 03/19/1998 | WO1998011444A1 Method of checking electrical components and device for carrying out this method |
| 03/19/1998 | DE19637888A1 Determining di-electricity and loss factor of individual insulating layers in multi-layer circuit boards |
| 03/18/1998 | EP0829729A1 Measuring apparatus and method for the adjustment of test/measurement parameters |
| 03/12/1998 | WO1998010239A1 Capacitance sensor |
| 03/12/1998 | DE19636821A1 Verfahren zur Prüfung elektrischer Bauteile und Vorrichtung zur Durchführung des Verfahrens A method for testing electrical components and apparatus for carrying out the method |
| 03/11/1998 | EP0804740A4 Handheld vector network analyzer |
| 03/10/1998 | US5726579 Differential capacitance detector |
| 03/10/1998 | US5726578 Apparatus and methods for time domain reflectometry |
| 03/10/1998 | US5726566 Apparatus for measuring an RF parameter |
| 03/10/1998 | US5726359 Orientation sensor especially suitable for use in an underground boring device |
| 03/04/1998 | EP0826972A2 Harmonic measurement system |
| 03/03/1998 | US5724387 Cable loss simulator for serial digital source using a passive network |
| 03/03/1998 | US5723979 Mixed fluid time domain reflectometry sensors |
| 02/24/1998 | US5721688 Apparatus and method for electrical system measurements including battery condition, resistance of wires and connections, total electrical system quality and current flow |
| 02/11/1998 | EP0823057A2 Process for monitoring a three-phase mains for a change in the tuning of the arc supression coil |
| 02/11/1998 | EP0663065B1 Position sensors |
| 02/10/1998 | US5717336 Method and apparatus for determining the charge condition of an electrochemical cell |
| 02/03/1998 | US5715183 Internal automatic calibrator for vector network analyzers |
| 02/03/1998 | US5714876 In-service serial digital source signal-level and cable-length measurement |
| 01/29/1998 | DE19731750A1 Stabilising feedback loop in impedance measuring unit with system |
| 01/28/1998 | CN2273422Y Horizontal apparatus for testing electrical resistance of molten metal and alloy |
| 01/28/1998 | CN2273421Y Device for testing resistance and thermoelectrical potential for molten metal and alloy with foam glass frame type tube |
| 01/27/1998 | US5712573 Network analyzer with adaptable sweep time between measurement points |
| 01/27/1998 | US5712572 Insulation state measurement method, insulation state judgement apparatus, and dispersion type power generating system using the same |
| 01/14/1998 | CN1037041C Meta-oxides-semiconductor humidity-sensitive element and its producing method |
| 01/13/1998 | US5708363 Liquid conductivity measurement system using a variable-frequency AC voltage |
| 01/07/1998 | EP0816858A2 Ground testing |
| 01/07/1998 | EP0816818A2 Capacitance measuring sensor and selection circuit |
| 01/06/1998 | US5706206 Method of extracting parasitic capacitance values from the physical design of an integrated circuit |
| 01/06/1998 | US5705905 Source impedance measurement for motor control |
| 01/02/1998 | DE19641648C1 Resistive measurement circuit arrangement |
| 12/30/1997 | US5703412 Energy reservoir protection apparatus in vehicle occupant protection system |
| 12/30/1997 | CA2016647C Microprocessor-controlled high-voltage capacitance bridge |
| 12/23/1997 | CA2132225C Capacitance measuring device |
| 12/17/1997 | EP0609334B1 SELF DIAGNOSTIC pH SENSOR |
| 12/16/1997 | US5698989 Film sheet resistance measurement |
| 12/16/1997 | US5698987 Method of driving heating element to match its resistance, thermal printer, and resistance measuring device |
| 12/16/1997 | US5698985 Cross-talk measurement instrument with source indication as a function of distance |
| 12/16/1997 | US5698978 System and method for measuring electromagnetic radiation absorption |
| 12/16/1997 | CA2083802C Sensor to measure crude-in-water percentage |
| 12/11/1997 | WO1997046890A1 Interferometric signal processing apparatus |
| 12/11/1997 | DE19638393C1 Leakage resistance measurement circuit e.g for airbag control device |
| 12/11/1997 | CA2256717A1 Interferometric signal processing apparatus |
| 12/10/1997 | EP0811169A1 Continuous on-board analysis of diesel engine lubrication systems |
| 12/10/1997 | CN1167430A Hair-care appliance with hair-moistness measurement by measuring the resistance of the hair, and circuit for converting the resistance value of aresistor into a measurement signal |
| 12/10/1997 | CN1167359A Checker using measuring device, arm device and cylindrical surface peripheral movement |
| 12/04/1997 | DE19722471A1 Wide bandwidth current and impedance meter |
| 12/03/1997 | EP0558736B1 Rotatable capacitance sensor |
| 12/02/1997 | US5694051 Inspecting transistors in an inverter circuit |
| 12/02/1997 | US5694047 Method and system for measuring antifuse resistance |
| 11/25/1997 | US5691648 Method and apparatus for measuring sheet resistance and thickness of thin films and substrates |
| 11/25/1997 | US5691644 Neutral corrosion condition survey-mitigating induced voltage effects |
| 11/18/1997 | US5689685 Apparatus and method for analyzing circuits using reduced-order modeling of large linear subscircuits |
| 11/13/1997 | DE19648199A1 Detecting cooking point of cooking position with conducting track temp. sensor |
| 11/13/1997 | DE19648196A1 Detecting cooking point of cooking position with conducting track temp. sensor |
| 11/13/1997 | DE19647987A1 Detecting cooking point of cooking position with conducting track temp. sensor |
| 11/13/1997 | DE19647985A1 Detecting cooking point of cooking position with conducting track temp. sensor |
| 11/13/1997 | DE19643698A1 Detecting cooking point of cooking position with conducting track temp. sensor |
| 11/12/1997 | EP0725751A4 Medical electrode packaging technology |
| 11/12/1997 | EP0637377B1 Meter and method for in situ measurement of the electromagnetic properties of various process materials using cutoff frequency characterization and analysis |
| 11/12/1997 | CN1164649A Output resistance tester for driver integrated circuit and testing method thereof |
| 11/06/1997 | DE19616946A1 Circuit for indirect measurement of alternating current and voltage of electrolyte of object under test |
| 11/05/1997 | EP0804740A1 Handheld vector network analyzer |
| 11/04/1997 | US5684408 Protective grounding jumper cable testing method |
| 10/30/1997 | DE19701899A1 Capacitance or capacitance variation detection circuit |
| 10/29/1997 | EP0803728A1 Method for measuring the conductivity of fluids |
| 10/29/1997 | CN2266134Y Electrostatic conducting safety monitor for moveable oil tank |
| 10/29/1997 | CN2266133Y Device for quick measuring resistance between armature vertical lamination for DC exciter |
| 10/23/1997 | DE19615933A1 Characteristic values of dielectric measuring device also through and surface resistance on plate-type sample bodies |
| 10/23/1997 | DE19615907A1 Calculating frequency dependent complex or real parameters of lossy lines in HF region for components |
| 10/22/1997 | EP0802422A2 Measurement circuit |
| 10/22/1997 | EP0802420A2 Impedance measuring apparatus |
| 10/22/1997 | CN2265544Y Essential safety type electronic megohm-meter |
| 10/22/1997 | CN2265543Y Anti-interference electronic megohm-meter with automatic discharging indicating |
| 10/21/1997 | US5680051 Electromagnetic induction-type probe |
| 10/15/1997 | EP0800896A2 Endpoint detection for chemical mechanical polishing using frequency or amplitude mode |
| 10/08/1997 | CN1036096C Time constant detecting circuit and time constant adjusting circuit |
| 10/07/1997 | US5675296 Capacitive-component reducing circuit in electrostatic-type transducer means |
| 10/02/1997 | DE19644125A1 Capacitive sensor interface circuit for use in capacitance detector circuit for vehicle movement detection |
| 10/01/1997 | CN2263794Y Megger with high-low pressure screen method switcher |