| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 04/08/1986 | US4581575 Method and apparatus for measuring orientation of constituents of webs or sheets |
| 04/08/1986 | US4581574 Method of testing dielectric materials |
| 04/08/1986 | US4581497 System for monitoring cathodic protection system of marine installations including an improved reel |
| 04/02/1986 | EP0176019A1 Apparatus for enabling the use of an AC detection scalar network analyzer with a continuous wave signal source |
| 04/01/1986 | US4580227 Device for determining and following the instantaneous coordinates of the extreme value of a curve |
| 04/01/1986 | US4580092 Pocket size antenna match indicator for VSWR measurement |
| 04/01/1986 | US4578998 Microwave moisture measurement |
| 03/27/1986 | WO1986001905A1 Nmr tuning procedure |
| 03/26/1986 | EP0175182A1 Contactless measurement of electrical properties of wafer shaped materials |
| 03/25/1986 | US4578635 Device for measuring and indicating changes in the resistance of a living body |
| 03/18/1986 | US4577086 Method of resistance welding |
| 03/12/1986 | EP0174075A1 Digital display ohmmeter |
| 03/12/1986 | EP0173833A2 Circuit and process to measure and to digitize a resistor |
| 03/11/1986 | CA1201771A1 Method and apparatus for monitoring ground faults and isolated electrical systems |
| 03/04/1986 | CA1201506A1 Measuring system for measuring the variation of the capacitive impedence of a bearing installed in a housing housing |
| 03/04/1986 | CA1201480A1 Liquid conductivity monitor |
| 02/27/1986 | WO1986001299A1 Circuit for continuously controlling the grounding resistance of electric apparatuses |
| 02/26/1986 | EP0172499A2 Apparatus for determining poles and zeroes of the transfer function of a device |
| 02/25/1986 | US4573010 Miniature cell adaptor to accommodate small samples in resistivity cells |
| 02/19/1986 | CN85201272U Four probing pin probe |
| 02/18/1986 | US4571545 Six-port reflectometer |
| 02/18/1986 | US4571544 Microwave examination of semiconductive shields |
| 02/18/1986 | CA1200889A1 Method of monitoring suitability of a transmission path for transmission of digital data signals, and apparatus for use in carrying out the method |
| 02/12/1986 | EP0171322A1 Electric device or circuit testing method and apparatus |
| 02/11/1986 | US4570116 Instrument for measuring electrical resistance or reactance |
| 02/10/1986 | EP0139638A4 Insulation analyzer and method. |
| 02/04/1986 | US4568875 Moisture corrected denier measurement |
| 01/28/1986 | CA1199970A1 Switching device for the electrical measurement of reactive impedances and a measuring bridge using such a switching device |
| 01/22/1986 | EP0168518A1 Low temperature measuring circuit |
| 01/22/1986 | EP0168489A1 Capacitive transducer and method |
| 01/15/1986 | EP0168346A1 Apparatus for measuring the resistance of conducting wires |
| 01/15/1986 | EP0167805A2 Capacitive sensing employing thin film inductors |
| 01/08/1986 | EP0166839A1 Method and device for measuring phase-jitter of a transmission canal |
| 01/07/1986 | US4563655 Circuit for deriving a gain control voltage |
| 01/07/1986 | US4563635 Moisture measuring method and apparatus |
| 01/07/1986 | US4563634 Measuring and linearizing circuit device for a capacitive primary element |
| 01/02/1986 | EP0166706A1 Method for the measurement of capacitances, in particular of low capacitances |
| 01/02/1986 | EP0166705A2 A method for measuring of capacities, particular low ones |
| 01/02/1986 | EP0166524A1 Six-port reflectometer |
| 01/02/1986 | EP0166317A2 Circuit for deriving a gain control (agc) voltage |
| 12/31/1985 | US4562390 Insulation resistance measurement in static leonard apparatus |
| 12/31/1985 | US4562089 Measuring direct current resistance at two different test currentsof known magnitudes |
| 12/31/1985 | CA1198805A1 Determination of system response |
| 12/27/1985 | EP0165796A2 An instrument for measuring resistance |
| 12/24/1985 | CA1198477A1 Frequency compensating current circuit for a current- comparator capacitance bridge |
| 12/18/1985 | EP0165109A1 Process and device for testing dielectric materials, especially condensers |
| 12/17/1985 | US4558595 Capacitance monitoring bridge circuit for an enthalpy responsive device |
| 12/17/1985 | CA1197994A1 Capacitor monitoring circuit |
| 12/10/1985 | US4558274 Apparatus and method determining the value of a capacitance |
| 12/03/1985 | US4556841 Measurement system for characterizing power amplifier and other device performance |
| 11/27/1985 | EP0162522A2 Apparatus and method for measuring the coil resistance and the connection resistance between the winding and commutator bars in electric motors |
| 11/26/1985 | US4555661 Method and apparatus for determining dielectric constant |
| 11/21/1985 | EP0161444A1 Transducer circuit for producing an output signal in response to variations in the value of a reactive sensing impedance |
| 11/12/1985 | US4553094 Method and apparatus for measuring conductivity using eddy currents with temperature compensation feature |
| 11/12/1985 | CA1196691A1 Reconstruction system and methods for impedance imaging |
| 10/30/1985 | EP0159786A1 Improvements in the measurement of impedance ratios |
| 10/22/1985 | US4549141 Salinity indicator system |
| 10/22/1985 | US4549133 Measuring arrangement for capacitive security fences |
| 10/22/1985 | CA1195731A1 System for measuring conductivity of a liquid |
| 10/15/1985 | US4547724 Method and apparatus for detection of non-linear electrical devices |
| 10/15/1985 | US4546651 Transducer coupling |
| 10/15/1985 | CA1195384A1 Method and apparatus for determining leakage impedance of an ac power supply system |
| 10/08/1985 | US4546441 Method and apparatus for time based measurement of impedance |
| 10/08/1985 | US4546318 Method for regulating current flow through core samples |
| 10/08/1985 | US4546312 Cell for the measurement of the dielectric constant of viscous or pasty substances |
| 10/08/1985 | US4546310 Electrical continuimeter |
| 10/01/1985 | US4544883 Method and device for rapidly measuring frequency response of electronic test objects |
| 10/01/1985 | US4544880 Microwave probe for measurement of dielectric constants |
| 10/01/1985 | US4543823 Microwave probe for detecting oil level |
| 10/01/1985 | CA1194547A1 Electronic instrument for measuring the overall phase and amplitude distortion of a transmission channel |
| 09/24/1985 | US4543576 System for measuring electrical resistance and temperature during manufacture of thin, conductive films deposited on substrates by means of evaporation or sputter deposition |
| 09/18/1985 | EP0155117A2 Voltage detecting device |
| 09/10/1985 | US4540936 Soil moisture sensor |
| 09/10/1985 | US4540922 Motor winding leakage monitor |
| 09/04/1985 | EP0153478A1 Signal separation circuit for a radio frequency (RF) network analyzer |
| 09/03/1985 | US4539640 Reconstruction system and methods for impedance imaging |
| 09/03/1985 | US4539518 Signal generator for digital spectrum analyzer |
| 08/28/1985 | EP0152577A2 Process for the control and the regulation of the composition of layers of metallic conducting alloys during their production |
| 08/27/1985 | US4538103 Time domain reflectometer apparatus for identifying the location of cable defects |
| 08/21/1985 | EP0151737A2 Process for controlling and monitoring the incorporation of a doping material into conductive metallic layers during their manufacture |
| 08/21/1985 | EP0151575A1 Reactance measurement circuit with enhanced linearity. |
| 08/13/1985 | US4535435 Capacitance detector for video disk |
| 08/13/1985 | US4535307 Microwave circuit device package |
| 08/13/1985 | CA1191904A1 Method of detecting ground faults in a network for distribution of electric power and a device for carrying out the method |
| 08/13/1985 | CA1191903A1 Leakage current detecting structure |
| 08/07/1985 | EP0150410A1 Vector network analyzer |
| 08/07/1985 | EP0150409A1 Keyboard-operated RF network analyzer |
| 08/07/1985 | EP0150336A2 Broadband radio frequency directional bridge |
| 08/06/1985 | US4533868 Electronic instrument for measuring the overall phase and amplitude distortion of a transmission channel |
| 08/01/1985 | WO1985003358A1 Capacitive transducer and method |
| 07/30/1985 | CA1191203A1 Non-grounding checking system |
| 07/24/1985 | EP0149095A2 Method for examining signal level-dependent properties of transmission apparatuses especially of signal level-dependent attenuation distorsions of CODEC's for PCM circuis, and device for the application of said method |
| 07/23/1985 | US4531087 Electrical sensor for measuring moisture in landscape and agricultural soils |
| 07/23/1985 | CA1190967A1 R.f. impedance determination |
| 07/16/1985 | US4529929 Method of detecting ground faults in a network for distribution of electric power and a device for carrying out the method |
| 07/09/1985 | US4528499 Modified bridge circuit for measurement purposes |
| 07/09/1985 | US4528498 Frequency compensating current circuit for a current comparator capacitance bridge |
| 07/09/1985 | US4528497 Method and apparatus for monitoring ground faults in isolated electrical systems |
| 07/03/1985 | EP0146720A1 Method for measaring the electric resistance of thin metallic layers, made under the influence of a plasma, during their fabrication |
| 07/03/1985 | EP0146605A1 Method and apparatus for measuring the resistivity of metals. |