| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 04/01/1997 | US5617032 Misfire detecting device for internal combustion engine |
| 03/27/1997 | WO1997011361A1 Apparatus and method for electrical system measurement |
| 03/27/1997 | DE19535224A1 Measuring system to determine thickness of electric insulating material layer |
| 03/26/1997 | EP0750809A4 Capacitance-sensitive switch and switch array |
| 03/25/1997 | US5614832 High voltage protected ohmmeter |
| 03/20/1997 | WO1997010514A1 Near-field resistivity microscope |
| 03/20/1997 | WO1997009898A1 Hair-care appliance with hair-moistness measurement by measuring the resistance of the hair, and circuit for converting the resistance value of a resistor into a measurement signal |
| 03/20/1997 | WO1997006981A3 Process for checking a passenger safety device in a vehicle |
| 03/20/1997 | WO1997006980A3 System for controlling the resistance of a load connected to a transformer |
| 03/20/1997 | WO1997006979A3 System for checking the resistance of a load connected to a transformer |
| 03/20/1997 | WO1997006978A3 System for controlling the resistance of a load connected to a transformer |
| 03/20/1997 | CA2204985A1 Hair-care appliance with hair-moistness measurement by measuring the resistance of the hair, and circuit for converting the resistance value of a resistor into a measurement signal |
| 03/18/1997 | US5612627 Method for evaluating the effect of a barrier layer on electromigration for plug and non-plug interconnect systems |
| 03/18/1997 | US5612494 Capacitance-type electrostatic servo acceleration sensor |
| 03/13/1997 | WO1997009590A2 Soil moisture or dielectric constant measuring system |
| 03/12/1997 | EP0762147A1 Universal inductive proximity detector |
| 03/05/1997 | EP0505504B1 Biosensor electrode excitation circuit |
| 03/04/1997 | US5608333 Method of driving heating element to match its resistance, thermal printer, and resistance measuring device |
| 03/04/1997 | US5608330 Method for calibrating a network analyzer according to the seven-term principle |
| 02/27/1997 | WO1997006981A2 Process for checking a passenger safety device in a vehicle |
| 02/27/1997 | WO1997006980A2 System for controlling the resistance of a load connected to a transformer |
| 02/27/1997 | WO1997006979A2 System for checking the resistance of a load connected to a transformer |
| 02/27/1997 | WO1997006978A2 System for controlling the resistance of a load connected to a transformer |
| 02/27/1997 | DE19531098A1 Measuring appts. with graphic reproduction of frequency dependent parameters of power amplifier |
| 02/26/1997 | CN1143752A Detector for body and organism |
| 02/25/1997 | US5606260 Microdevice for measuring the electromagnetic characteristics of a medium including a shield |
| 02/20/1997 | DE19530588A1 Anordnung zum Kontrollieren des Widerstandes einer an einem Übertrager angeschlossenen Last Arrangement for controlling the resistance of a transformer connected to a load |
| 02/20/1997 | DE19530587A1 Anordnung zum Überprüfen des Widerstandes einer an einem Übertrager angeschlossenen Last Arrangement for testing the resistance of a transformer connected to a load |
| 02/20/1997 | DE19530586A1 Anordnung zum Kontrollieren des Widerstandes einer an einem Übertrager angeschlossenen Last Arrangement for controlling the resistance of a transformer connected to a load |
| 02/20/1997 | DE19530238A1 Verfahren zur Überprüfung einer Sicherheitseinrichtung und Gerät zur Durchführung des Verfahrens Method for checking a safety device and the device for performing the method |
| 02/19/1997 | EP0642671B1 Probe and method of measuring ground resistivity |
| 02/18/1997 | US5604441 In-situ oil analyzer and methods of using same, particularly for continuous on-board analysis of diesel engine lubrication systems |
| 02/12/1997 | CN1142612A Synchronous online determination of resistance, capacity, temperature and pressure of composite electric conductive materials |
| 02/11/1997 | US5602711 Apparatus for monitoring inductance |
| 02/11/1997 | US5602487 Capacitance measuring device |
| 02/11/1997 | US5602486 Impedance sensing of flaws in non-homogenous materials |
| 02/11/1997 | US5602468 Method and apparatus for ion chamber identification |
| 02/11/1997 | US5601367 Temperature sensor for sensing temperature in a magnetic field |
| 02/05/1997 | EP0756711A1 System for the remote measuring of the protection ground |
| 02/05/1997 | EP0681686A4 Capacitance-resistance position sensor. |
| 02/04/1997 | US5600255 Live circuit resistance measurement system and method |
| 02/04/1997 | US5600254 Process and circuit arrangement for measuring the resistance of a resistance sensor |
| 02/04/1997 | US5600249 Determining contact quality of an impedance meter |
| 02/04/1997 | US5600237 Method and apparatus for determining the position of an armature in an electromagnetic actuator by measuring the driving voltage frequency |
| 02/04/1997 | CA2089664C Method and electrical measuring apparatus for analyzing the impedance of the source of an actual alternating voltage |
| 01/29/1997 | CA2179424A1 Sensor including two entwined spiral electrodes |
| 01/28/1997 | US5598103 Interface distance sensor and its application to pressure sensing |
| 01/28/1997 | US5597956 Of an electrostatic servo system |
| 01/15/1997 | EP0753938A1 Frequency tuning apparatus and method for continuous-time filters |
| 01/15/1997 | EP0753756A2 Circuit and process for measuring the difference between the capacity of two capacitors |
| 01/15/1997 | EP0753755A2 Device for the measurement of the complex dielectric constant of tobacco |
| 01/15/1997 | CN2245218Y Detector for testing high voltage insulating dynamic characteristic |
| 01/15/1997 | CN1140260A Method and apparatus for measuring change in capacitance values in dual capacitors |
| 01/14/1997 | US5594353 Method and apparatus for measuring the change in capacitance values in dual capacitors |
| 01/14/1997 | US5594351 Apparatus for use in determining surface conductivity at microwave frequencies |
| 01/09/1997 | WO1996034293A3 Process for monitoring a three-phase mains for a change in the tuning of the arc supression coil |
| 01/08/1997 | EP0752109A1 System for calibrating a line isolation monitor |
| 01/08/1997 | EP0752108A1 Monitor for an ungrounded system |
| 01/08/1997 | EP0752107A1 System for measuring line to ground impedance |
| 01/08/1997 | CN1139759A Diagnostic circuit for testing capacity of electric capacitor |
| 01/02/1997 | EP0750809A1 Capacitance-sensitive switch and switch array |
| 01/01/1997 | CN2244198Y Digital insulation resistance detector |
| 12/31/1996 | US5590415 Method and device for supervising the condition of an antenna |
| 12/31/1996 | US5589802 Circuit for detecting the absence of an external component |
| 12/31/1996 | US5589778 Sensor drive circuit |
| 12/31/1996 | US5588429 Process for producing optimal current patterns for electrical impedance tomography |
| 12/27/1996 | EP0437532B1 Composition monitor and monitoring process using impedance measurements |
| 12/24/1996 | US5587662 Method and apparatus for nondisruptively measuring line impedance at frequencies which are relatively close to the line frequency |
| 12/19/1996 | DE19509831C1 Device for measuring insulation resistance between mains connection lines e.g for meter and tested equipment |
| 12/18/1996 | EP0749010A2 Apparatus and method for evaluating contamination caused by organic substances deposited on substrate surface |
| 12/18/1996 | CN2243084Y Numerical automatic measuring-range insulation ohmmeter for mining use |
| 12/17/1996 | US5586042 Apparatus and methods for measuring and detecting variations in the value of a capacitor |
| 12/17/1996 | US5585734 Method for determining the resistance and carrier profile of a semiconductor element using a scanning proximity microscope |
| 12/17/1996 | US5585733 Capacitive sensor and method of measuring changes in capacitance |
| 12/11/1996 | EP0747715A2 Multi-phase measuring |
| 12/04/1996 | EP0745861A2 Method for measuring capacitances |
| 12/03/1996 | US5581190 Method and apparatus for testing RF devices |
| 12/03/1996 | CA2085528C Time constant detecting circuit and time constant adjusting circuit |
| 11/27/1996 | EP0744631A1 A body sensing device |
| 11/26/1996 | US5579463 Waveform display apparatus of frequency sweep type for facilitating display of a high definition waveform |
| 11/26/1996 | US5578932 Method and apparatus for providing and calibrating a multiport network analyzer |
| 11/26/1996 | US5578904 Method and apparatus for determining the position of an armature of an electromagnetic actuator in response to the magnitude and time derivative of the actuator coil current |
| 11/26/1996 | US5578504 Method for determination of resistivity of N-type silicon epitaxial layer |
| 11/20/1996 | EP0743746A2 Digitally synchronized sweep signal source |
| 11/20/1996 | CN1033339C Capacitor displacement sensor |
| 11/19/1996 | US5576695 Resistance-measurement based arrangement for monitoring integrity of travel path ground link in electronic components handling apparatus |
| 11/19/1996 | US5576628 Method and apparatus to measure capacitance |
| 11/19/1996 | CA2099705C Process and device for controlling thickness and evenness of a coating deposited of an elongated isolating body |
| 11/13/1996 | EP0742445A2 Method and apparatus for measuring the change in capacitance values in dual capacitors |
| 11/12/1996 | US5574981 Method and arrangement for measuring the condition of a receiver antenna |
| 11/12/1996 | US5574379 System for measuring electromagnetic properties |
| 11/12/1996 | US5574371 Method and apparatus for measuring mud resistivity in a wellbore including a probe having a bottom electrode for propagating a current from and to the bottom electrode in a direction approximately parallel to a longitudinal axis of the probe |
| 11/07/1996 | DE19524387C1 Capacitance difference measuring circuit for capacitive sensor |
| 11/06/1996 | EP0741301A2 Method and apparatus for testing RF devices |
| 11/06/1996 | EP0741299A2 Circuit for determining differences in capacity |
| 11/06/1996 | EP0740777A1 Screened capacitive sensor |
| 11/05/1996 | US5572160 Architecture for RF signal automatic test equipment |
| 10/31/1996 | WO1996034293A2 Process for monitoring a three-phase mains for a change in the tuning of the arc supression coil |
| 10/30/1996 | EP0739565A1 Subscriber line impedance measurement device and method |
| 10/29/1996 | US5570029 Cable crosstalk measurement system |