| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 10/26/1994 | EP0615619A4 Magnetometer of increased sensitivity, selectivity and dynamic range. |
| 10/26/1994 | CN2181009Y Portable dc grounding resistance measurer |
| 10/26/1994 | CN2181008Y High-voltage megohmmeter for precision measuring capacitive performance |
| 10/25/1994 | US5359491 Capacitive sensor comprising a conductive front surface for forming a capacitor plate, and a coaxial cable shielded by a mineral insulator |
| 10/19/1994 | EP0603340A4 Method and apparatus for testing coins. |
| 10/12/1994 | EP0527854B1 Contact measuring device for determining the dry film thickness of a paint on a plastic substrate |
| 10/12/1994 | EP0524166B1 Process and device for determining the electrical conductivity of a test specimen made of superconducting material |
| 10/12/1994 | CN1026194C Multi function instrument for monitoring insulation |
| 10/04/1994 | US5351697 Three-dimensional impedance imaging process |
| 10/04/1994 | CA2049153C Assembly, especially for a beverage-vending machine, with a container for the storage, cooling and carbonating of water |
| 10/04/1994 | CA2026936C Three-toroid electrodeless conductivity cell |
| 09/29/1994 | WO1994022027A1 Method and apparatus for mapping of semiconductor materials |
| 09/29/1994 | WO1994022026A1 Apparatus and methods for measuring and detecting variations in the value of a capacitor |
| 09/29/1994 | WO1994022004A1 Apparatus for non-destructive testing of dielectric/magnetic materials |
| 09/29/1994 | CA2158370A1 Apparatus and methods for measuring and detecting variations in the value of a capacitor |
| 09/28/1994 | EP0617292A1 Continuously AC-mains resistance monitoring system |
| 09/28/1994 | EP0616693A1 Method for determination of inductance |
| 09/28/1994 | CN1092870A Non-polar low-conductivity auto-measuring method |
| 09/27/1994 | US5351010 Resistance ratio measurement utilizing measuring currents of opposite plural direction |
| 09/21/1994 | EP0615619A1 Magnetometer of increased sensitivity, selectivity and dynamic range |
| 09/20/1994 | US5349160 Iron comprising a humidity detector for controlling the heating element and also providing a motion indication |
| 09/20/1994 | CA2018689C Surface impedance measurement device |
| 09/14/1994 | EP0615281A1 Wafer release method and apparatus |
| 09/14/1994 | EP0614532A1 Capacitive moisture sensor |
| 09/13/1994 | US5347572 Telephone line monitoring apparatus and method |
| 09/13/1994 | US5347226 Array spreading resistance probe (ASRP) method for profile extraction from semiconductor chips of cellular construction |
| 09/07/1994 | CN2176552Y Insulation measuring instrument for liquid |
| 09/06/1994 | US5345243 Continuous-wave reflection transmissometer with target discrimination using modulated targets |
| 09/06/1994 | US5345183 Dielectric constant-measuring apparatus |
| 09/06/1994 | US5345182 Impedance meter capable of performing measurements at high precision over wide impedance and frequency ranges |
| 09/01/1994 | WO1994019701A1 Permittivity spectroscopy apparatus and method |
| 09/01/1994 | DE4313773C1 Method for monitoring a region by means of measuring external potential |
| 08/31/1994 | EP0613018A1 Device for monitoring and measuring the insulation of an electrical network |
| 08/31/1994 | CN2175938Y Insulated monitor |
| 08/30/1994 | US5343157 Method and apparatus for measuring an unknown capacitance using a known reference capacitance |
| 08/30/1994 | US5343153 Well logging method and apparatus using passive azimuthal electrodes |
| 08/26/1994 | CA2116405A1 Electronic interlock for electromagnetic contactor |
| 08/24/1994 | CN1025761C Method for measuring inductance of d.c. motor rotor loop or plane-wave reactor |
| 08/23/1994 | US5341102 Electromagnetic induction-type conductivity meter with improved calibration with auxiliary circuit |
| 08/23/1994 | US5341100 Electromagnetic wave method and apparatus for downhole measurement of fluid conductivity and hydrocarbon volume during formation testing |
| 08/18/1994 | DE4304061A1 Circuit arrangement for evaluating reactances to be measured |
| 08/18/1994 | DE4304060A1 Circuit arrangement for evaluating reactances to be measured |
| 08/10/1994 | EP0609334A1 SELF DIAGNOSTIC pH SENSOR |
| 08/09/1994 | US5337353 Capacitive proximity sensors |
| 08/09/1994 | US5337017 Apparatus for detecting alcohol content of liquid |
| 08/09/1994 | US5337016 Method and apparatus for traveling wave attenuation measurement |
| 08/09/1994 | US5336988 Scalar S-parameter test set for NMR instrumentation measurements |
| 08/03/1994 | EP0608355A1 Method and apparatus for capacitance temperature compensation and manufacturability in a dual plate capacitive pressure transmitter |
| 08/03/1994 | EP0608230A1 Dynamic and contactless measurement of displacement or permittivity using a capacitive sensor. |
| 08/02/1994 | US5334941 Microwave reflection resonator sensors |
| 08/02/1994 | US5334940 Methods and circuits for measuring the conductivity of solutions |
| 08/02/1994 | US5333390 Absolute measurement scale system |
| 07/28/1994 | DE4401484A1 Zerstörungsfreies Prüfungsverfahren von Verbundstromschienen Non-destructive testing method of composite busbars |
| 07/26/1994 | US5332974 Network analyzer performance verification |
| 07/26/1994 | US5332966 Method of compensating for the temperature of inductive sensors |
| 07/21/1994 | WO1994016336A1 Method and arrangement for measuring the condition of a receiver antenna |
| 07/21/1994 | WO1994016335A1 Arrangement for measuring the condition of a receiver antenna |
| 07/20/1994 | EP0607043A1 Wafer sensing and clamping monitor |
| 07/19/1994 | US5331286 Method for continuously monitoring the soundness of the protective covering on underground metal structures, and devices for its implementation |
| 07/13/1994 | CN2171872Y Multifunction high-voltage leakage current direct tester |
| 07/13/1994 | CN1089359A Circuit and apparatus for in-line test of AC circuit |
| 07/13/1994 | CN1025466C Measuring method of pulse width with serial output resistance method |
| 07/12/1994 | US5329239 Circuit for measuring a capacitance during constant charging and discharging periods |
| 07/07/1994 | WO1994015229A1 Method and apparatus for downhole measurement of fluid conductivity and hydrocarbon volume during formation testing |
| 07/07/1994 | WO1994015222A1 Method and apparatus for determining the charge condition of an electrochemical cell |
| 07/07/1994 | CA2117478A1 Method and apparatus for downhole measurement of fluid conductivity and hydrocarbon volume during formation testing |
| 07/05/1994 | US5327359 Method and system for inferring the radio refractive index structure of the atmosphere from radio measurements |
| 07/05/1994 | US5327139 Method for characterizing a target within a medium |
| 06/29/1994 | EP0603340A1 Method and apparatus for testing coins. |
| 06/29/1994 | CN2170529Y Isolator string low-zero magnetic bottle detector |
| 06/28/1994 | US5325067 Apparatus for matching impedance in an electrostatic sensor |
| 06/28/1994 | CA1330453C Measurement of capacitance and parameters related thereto |
| 06/23/1994 | WO1994014056A1 Densitometer |
| 06/23/1994 | DE4342346A1 Physical parameter measuring device with direct read=out - has each input coupled via matching circuit and A=D converter to common memory for read=out display |
| 06/23/1994 | DE4239740C1 HF line forward and reverse wave measuring device |
| 06/16/1994 | DE4244638A1 Microwave measurement for rapid positional and non=destructive characterisation of dielectric materials - involves analysis of changed resonator length and anisotropic properties induced in material |
| 06/15/1994 | EP0548129B1 Process for finding the short-circuit impedance of an electric power supply system to be monitored |
| 06/15/1994 | EP0541778A4 Apparatus and methods for measuring the dielectric and geometric properties of materials |
| 06/15/1994 | CN1087987A Capacitor displacement sensor |
| 06/14/1994 | US5321367 Circuit for measuring capacitance at high DC bias voltage |
| 06/14/1994 | US5321364 Network analyzer |
| 06/08/1994 | EP0600726A2 Impedance measuring |
| 06/08/1994 | EP0600148A1 Method and device for capacitance measuring |
| 05/31/1994 | US5317520 Computerized remote resistance measurement system with fault detection |
| 05/31/1994 | US5317275 Conductance measurement circuit with wide dynamic range |
| 05/26/1994 | WO1994011746A1 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 |
| 05/26/1994 | WO1994011745A1 Method and apparatus for measuring film thickness |
| 05/25/1994 | EP0598381A1 In-tank conductivity sensor |
| 05/25/1994 | CN2166461Y Electronic megger |
| 05/25/1994 | CN2166460Y Computerized high-voltage insulation resistance tester |
| 05/18/1994 | EP0597717A2 Apparatus for measuring a resistance of a high tension resistance electrical cable |
| 05/17/1994 | US5313168 Apparatus for detecting fuel dielectric constant |
| 05/17/1994 | US5313166 Method of calibrating a network analyzer |
| 05/10/1994 | US5311440 Methods and apparatus for correction of cable variations |
| 05/03/1994 | US5309110 Differential dielectric analyzer |
| 05/03/1994 | US5309089 Method of measuring unsaturated inductances of an equivalent circuit of a synchronous machine |
| 05/03/1994 | US5307672 Method and apparatus to check the state of wear in a covering fabric of a driving belt |
| 04/28/1994 | WO1994009376A1 Circuit for measuring source resistance of a sensor |
| 04/27/1994 | EP0458931B1 Arrangement for processing sensor signals |
| 04/26/1994 | US5307284 Vector network analyzer |