| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 03/22/1995 | CN2192893Y Wrist belt base with display device |
| 03/22/1995 | CN1100522A High-temperature superconductive thin film microwave surface resistance testing instrument and method |
| 03/21/1995 | US5400406 Aircraft communication headset tester |
| 03/21/1995 | US5400297 Method and a system for testing capacitive, acoustic transducers |
| 03/21/1995 | US5399976 Group delay estimate system using least square fit to phase response ramp |
| 03/15/1995 | EP0642673A1 Method and arrangement for measuring the condition of a receiver antenna |
| 03/15/1995 | EP0642672A1 Arrangement for measuring the condition of a receiver antenna |
| 03/15/1995 | EP0642671A1 Probe and method of measuring ground resistivity. |
| 03/15/1995 | CN2192040Y Precise quick measuring ohmmeter for testing direct impedance of wide measuring range transformer |
| 03/14/1995 | US5398037 Antenna structure |
| 03/09/1995 | WO1995006881A1 Soil moisture sensor |
| 03/08/1995 | EP0642027A1 Method and device for detecting earth faults of the conductors in a electrical machine |
| 03/08/1995 | EP0641688A1 Diagnostic circuit for a supplemental inflatable restraint system |
| 03/08/1995 | EP0641433A1 Apparatus for non-destructive testing of dielectric/magnetic materials |
| 03/07/1995 | US5396203 Demountable wire cage waveguide for permittivity measurements of dielectric materials |
| 03/07/1995 | US5396184 Method for the in situ identification of the sheet resistivity or, respectively, of process parameters of thin, electrically conductive layers manufactured under the influence of a plasma |
| 03/02/1995 | DE4431001A1 Method and device for measuring dielectric constants |
| 03/02/1995 | DE4401068A1 Network analyser |
| 03/01/1995 | EP0640219A1 Integratable conductivity measuring device. |
| 03/01/1995 | CN1099484A Intelligent high-voltage megohmmeter |
| 02/28/1995 | US5394340 Device and method for identifying and quantifying layered substances |
| 02/28/1995 | US5394097 Obtaining a measure of the amount of anisotropy of electrical property |
| 02/28/1995 | US5394084 Method and apparatus for reducing errors in eddy-current conductivity measurements due to lift-off by interpolating between a plurality of reference conductivity measurements |
| 02/28/1995 | US5393557 Controlling coating apparatus by transmitting electromagnetic energy from antenna of transceiver proximate coated area, receiving reflected energy, transmitting signal to controller, maintaining property in response |
| 02/23/1995 | DE4328097A1 Device for measuring the impedance of sensors with a double-feedback phase locked loop |
| 02/23/1995 | DE4322987A1 Coil for generating an alternating magnetic field |
| 02/22/1995 | CN2190305Y Portable inspector for electric appliances |
| 02/21/1995 | US5391994 Method for measuring surface resistivity using square electrodes and multiplying surface resistance measurements by a correction factor |
| 02/21/1995 | US5391991 Cable shield resistance test set |
| 02/15/1995 | EP0508992B1 Process and device for determining amplitude and phase values according to a reflectometric measurement process |
| 02/14/1995 | US5390110 Layer stripping process for impedance imaging |
| 02/14/1995 | US5389884 Parallel plate dielectric constant measuring apparatus having means for preventing sample deformation |
| 02/14/1995 | US5389875 Apparatus for non-destructive testing of dielectric/magnetic materials |
| 02/14/1995 | CA2010240C Circuit for measuring the resistance of test-pieces |
| 02/09/1995 | WO1995004256A1 Capacitive displacement sensor |
| 02/08/1995 | EP0637377A1 Meter and method for in situ measurement of the electromagnetic properties of various process materials using cutoff frequency characterization and analysis |
| 02/02/1995 | WO1995003542A1 System and method for monitoring substances and reactions |
| 02/01/1995 | EP0577653B1 Process for finding the transmission properties of an electric line |
| 01/31/1995 | US5386196 System and method for accurate contactless measurement of the resistivity of a test material |
| 01/31/1995 | US5386194 Digital impedance determination using peak detection of current and voltage samplers |
| 01/31/1995 | US5386188 In-circuit current measurement |
| 01/31/1995 | CA2017833C Planar interdigitated dielectric sensor |
| 01/25/1995 | EP0557327B1 Measuring instrument for determining the alcohol content of a mixture |
| 01/25/1995 | EP0449967B1 Device for automatically ascertaining capacitance, dissipation factor and insulation resistance of a plurality of capacitors |
| 01/25/1995 | CN2188213Y Accumulator earth insulation tester |
| 01/24/1995 | US5384544 Method and apparatus for calibrating the energy output of a defibrillator |
| 01/24/1995 | US5384542 Device for estimating, at high temperature, the electromagnetic properties of a material |
| 01/18/1995 | EP0634790A2 Method for determination of resistivity of N-Type silicon Epitaxial layer |
| 01/18/1995 | EP0313575B1 Transmitter with vernier measurement |
| 01/18/1995 | CN1027469C Vernier voltage to digital converter |
| 01/17/1995 | US5382956 Integrated circuit for physiological signal measurement |
| 01/17/1995 | US5382912 Resistance monitors |
| 01/17/1995 | US5382910 Dual time base zero dead zone time domain reflectometer |
| 01/12/1995 | DE4423362A1 Vorrichtung zur Überprüfung der Kopfhörer einer Kopfhöreranordnung Device for checking the headphones a headphone device |
| 01/11/1995 | EP0633477A1 Vector measuring appliance for hyper frequency signals of the same pulsation, of the six-port type |
| 01/11/1995 | EP0633454A1 Circuit arrangement for determining the degree of coupling in a variable transmission system |
| 01/11/1995 | CN2187311Y Inductance and capacitance testing extra equipment for multitesters |
| 01/10/1995 | US5381333 Current patterns for electrical impedance tomography |
| 01/05/1995 | WO1995000971A1 Method of evaluating current-driven conductive material |
| 01/04/1995 | EP0632593A1 Capacitive sensor circuit |
| 01/04/1995 | EP0532616B1 Electronic circuitry for detecting leakage of chemical substance |
| 01/03/1995 | US5379110 Method and apparatus for measuring surface characteristics of material |
| 01/02/1995 | CA2126964A1 Capacitive sensor circuit |
| 12/28/1994 | EP0631147A1 Eddy current test method and apparatus |
| 12/28/1994 | EP0630485A1 Method and apparatus for downhole measurement of fluid conductivity and hydrocarbon volume during formation testing |
| 12/28/1994 | EP0630480A1 Process and circuitry for measuring the capacity of a capacitor according to the reflectometric method |
| 12/27/1994 | US5376888 Timing markers in time domain reflectometry systems |
| 12/22/1994 | WO1994029735A1 Apparatus and methods for generating unambiguous large amplitude timing markers in time domain reflectometry systems |
| 12/22/1994 | DE4405211A1 Method for calibrating a network analyser having two measuring ports and three measuring positions |
| 12/14/1994 | EP0628170A1 Process for detecting non-linear behaviour in a digital data transmission path to be examined. |
| 12/14/1994 | CN2185441Y Computer controlled earth resistance measurer |
| 12/14/1994 | CN2185440Y Inductive load micro-ohmmeter with protector |
| 12/08/1994 | DE4416490A1 Verfahren und Vorrichtung zum Testen integrierter Schaltungen in einer Mischsignalumgebung Method and device for testing integrated circuits in a mixed signal environment |
| 12/07/1994 | EP0583250B1 Integratable conductivity measuring device |
| 12/07/1994 | CN2184933Y Pointer capacity and inductance directly reading bridge |
| 12/06/1994 | US5371468 Method for the determination of electromagnetic impedances in the frequency range from 1 Hz to 10 Hz |
| 11/30/1994 | EP0626588A1 Electronic calibration method and apparatus |
| 11/29/1994 | US5369372 Method for resistance measurements on a semiconductor element with controlled probe pressure |
| 11/29/1994 | US5369371 Electrical resistance test device with an attached comparison resistance set |
| 11/24/1994 | WO1994027158A1 Sensor for articles on an end effector |
| 11/23/1994 | EP0625711A1 Method and apparatus for measuring permittivities of ferroelectric liquid crystals by preparing a homeotropic cell and a planar homogeneous cell |
| 11/23/1994 | CN1095526A Wafer release method and apparatus |
| 11/22/1994 | US5367264 Measuring instrument and method for determining the alcohol content of a mixture |
| 11/17/1994 | EP0624292A1 Near-end communications line characteristic measuring system |
| 11/16/1994 | CN2182998Y Instrument for measuring earth resistance |
| 11/16/1994 | CN1026616C 发送器 Transmitter |
| 11/15/1994 | US5365180 Method for measuring contact resistance |
| 11/15/1994 | US5365179 Apparatus and method for measuring ground impedance |
| 11/15/1994 | US5363696 Method and arrangement for oil well test system |
| 11/09/1994 | EP0623827A2 Dual time base zero dead zone time domain reflectometer |
| 11/08/1994 | US5363052 Permittivity spectroscopy apparatus and method |
| 11/02/1994 | EP0621951A1 Process for the measurement of dielectric and magnetic parameters of a solid material, involving soldering of the material on a specimen holder and devices for carrying out said process |
| 11/02/1994 | EP0447449B1 Means and method for measuring inductance |
| 11/02/1994 | CN2181697Y 多功能探针头 Multifunction probe head |
| 11/01/1994 | US5361034 Apparatus for measuring the conductivity of a fluid |
| 10/27/1994 | WO1994024576A1 Method and device for supervising the condition of an antenna |
| 10/27/1994 | DE4313327A1 Arrangement for measuring small capacitances |
| 10/26/1994 | EP0621488A1 A drill-probe for the measurement of the electric resistivity of a soil |
| 10/26/1994 | EP0621466A1 System for capacitive level measurement and its use |
| 10/26/1994 | EP0620920A1 Method for determining the short-circuit inductance of an asynchronous machine |