| Patents for G01R 27 - Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom (22,286) |
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| 05/02/1984 | EP0106843A1 Imrpoved inductance to frequency converter circuit |
| 05/01/1984 | US4446424 Surface resistivimeter |
| 05/01/1984 | US4446423 Linear self-excited capacitance bridge |
| 04/25/1984 | EP0106493A2 Monitoring in-service resistance of AC conductors |
| 04/25/1984 | EP0106345A2 Measuring and linearizing circuit for a capacitive sensor |
| 04/17/1984 | US4443754 Method for determining minimum lubricating oil-film thickness under operating engine conditions using electrical capacitance |
| 04/17/1984 | CA1165917A1 Device for measuring the attenuation in a transmission path |
| 04/10/1984 | US4442393 Apparatus and method for determining the operation of an induction motor |
| 04/03/1984 | US4441065 Method and apparatus for determining the rotor resistance of an asynchronous machine |
| 03/21/1984 | EP0103078A2 Measuring arrangement for capacetive safety fences |
| 03/20/1984 | CA1164066A1 Automatic intermodulation distortion analyzer |
| 03/20/1984 | CA1164047A1 Method and apparatus for determining the rotor resistance of an asynchronous machine |
| 03/20/1984 | CA1163826A1 Capacitive level sensing device |
| 03/14/1984 | EP0102565A2 Method and device for the electrical testing of micro-wirings |
| 03/13/1984 | CA1163465A1 Rapid insulation resistance test for bismuth- containing ceramic capacitor |
| 03/06/1984 | EP0084036A4 Liquid contamination detection method and device. |
| 03/01/1984 | WO1984000818A1 Method and apparatus for measuring transmission and/or reflection coefficients to amplitude and phase of an object i.e. microwave components |
| 02/28/1984 | US4434397 Remote load current sensor |
| 02/21/1984 | US4433286 Identification of materials using their complex dielectric response |
| 02/14/1984 | US4431962 Capacitor monitoring by single resistor adjustment |
| 02/07/1984 | US4430683 Ground fault detecting device for use with a DC circuit |
| 02/07/1984 | US4430610 In an electrical apparatus |
| 02/01/1984 | EP0099788A1 Device for measuring the capacitance of a capacitor during its winding |
| 01/31/1984 | US4429273 Oil-water monitor |
| 01/31/1984 | US4429272 Apparatus for indicating dielectric constant |
| 01/31/1984 | US4429271 Digital capacitance measuring test set and test circuit incorporated therein |
| 01/25/1984 | EP0015920B1 Method and system for detection of microwave reflective matter |
| 01/24/1984 | US4427936 Reflection coefficient measurements |
| 01/24/1984 | CA1161116A1 Electromagnetic noncontacting measuring apparatus |
| 01/17/1984 | US4426616 Capacitive measurement system |
| 01/17/1984 | CA1160688A1 Device for measuring and indicating changes in resistance of a living body |
| 01/11/1984 | EP0097845A1 Process and device for determining the distortion of the attenuation and of the group transit time of a measuring object, especially of a data transmission route |
| 01/10/1984 | US4425542 Method and apparatus for measuring the surface transfer impedance of a piece of shielded cable |
| 01/10/1984 | US4425541 Apparatus for identifying defective electric power distribution capacitors |
| 01/03/1984 | US4424480 Process for the measurement of the specific capacity of a cable and a device for carrying out the process |
| 12/27/1983 | US4423371 Methods and apparatus for microdielectrometry |
| 12/27/1983 | US4423367 Device for determining the parameter values for stator resistance, principal inductance and leakage inductance of an asynchronous machine |
| 12/21/1983 | EP0096033A1 Insulation analyzer apparatus and method of use. |
| 12/20/1983 | US4422035 Capacitance measurement probe |
| 12/20/1983 | US4422034 Method for measuring insulation resistance and device therefor |
| 12/07/1983 | EP0095839A1 An instrument for measuring electrical resistance, inductance or capacitance |
| 12/06/1983 | US4419623 Reactance meter |
| 12/01/1983 | EP0070301A4 Reactance measurement circuit. |
| 11/30/1983 | EP0095234A2 Signal peak-to-peak detection method and apparatus |
| 11/29/1983 | US4418250 Telephone cable splicers test set and method of testing |
| 11/29/1983 | US4417701 Method and means for controlling the manufacture of windings for inductive apparatus |
| 11/22/1983 | US4417202 Vital DC source ground fault detector apparatus |
| 11/22/1983 | CA1157530A1 Electrode impedance monitor for electrocardiography |
| 11/16/1983 | EP0094367A2 Method and apparatus for determining the condition of part of the skin's surface |
| 11/15/1983 | US4415944 Electrical apparatus |
| 11/15/1983 | US4415852 Single hybrid junction frequency discriminator |
| 11/15/1983 | US4414844 Rapid insulation resistance test for bismuth-containing ceramic capacitors |
| 11/15/1983 | CA1157133A1 Multitone frequency response and envelope delay distortion tests |
| 11/15/1983 | CA1157097A1 Process for the measurement of the specific capacity of a cable and a device for carrying out the process |
| 11/09/1983 | EP0093622A1 Short circuit current protection |
| 11/08/1983 | US4413917 Resistance measuring system |
| 11/08/1983 | CA1156721A1 Methods of and apparatus for determining electrical characteristics of transmission lines |
| 10/27/1983 | WO1983003533A1 Improved inductance to frequency converter circuit |
| 10/25/1983 | US4412348 Apparatus for testing linearity of an FM transmitter |
| 10/25/1983 | US4412173 Apparatus using leakage current for measuring resistivity |
| 10/19/1983 | EP0091722A1 Method of treating foil for electrolytic capacitors |
| 10/18/1983 | US4410852 Angle-position transducer |
| 10/11/1983 | US4409544 Instruments for measurement of carrier power and antenna impedance in AM broadcasting |
| 10/11/1983 | US4409543 Impedance meter |
| 10/11/1983 | US4409509 Piezoelectrically driven transducer for electron work function and contact potential measurements |
| 10/11/1983 | US4409080 System for monitoring a cathodically protected structure |
| 10/11/1983 | CA1155224A1 Method of and device for effecting objective quality measures on speech transmission apparatuses |
| 10/11/1983 | CA1155195A1 Proximity sensing system and inductance measuring technique |
| 10/05/1983 | EP0030724B1 Method and device for carrying out objective measurements on digital speech transmission systems |
| 10/04/1983 | US4408282 AC Resistance measuring instrument |
| 10/04/1983 | US4408157 Resistance measuring arrangement |
| 10/04/1983 | US4408128 Electric resistance type wide range moisture meter |
| 09/28/1983 | EP0089946A1 Device for determining the mixing ratio of liquids |
| 09/14/1983 | EP0088561A1 Capacitor monitoring circuit |
| 09/13/1983 | US4404636 Phasor impedance measuring test set |
| 09/13/1983 | US4404518 Method and device for the measurement of the contact resistance of galvanic surface layers |
| 09/13/1983 | US4404517 Impedance measuring device |
| 09/13/1983 | CA1153580A1 Liquid conductivity measuring system and sample cards therefor |
| 09/06/1983 | CA1153426A1 Single ground fault detector |
| 08/30/1983 | CA1152772A2 Liquid conductivity measuring system and sample cards therefor |
| 08/30/1983 | CA1152739A1 Inspection system |
| 08/16/1983 | US4399403 Microwave moisture measuring, indicating and control apparatus |
| 08/16/1983 | US4398426 Linear capacitive pressure transducer system |
| 08/16/1983 | CA1152157A1 Power line fault detector circuit |
| 08/10/1983 | EP0085490A1 Method and apparatus for imaging the interior of a structure |
| 08/09/1983 | US4398232 Protective relaying methods and apparatus |
| 08/09/1983 | US4398188 Ground circuit voltage detector |
| 08/09/1983 | US4398145 Electrical resistance measurement |
| 07/27/1983 | EP0084036A1 Liquid contamination detection method and device |
| 07/26/1983 | CA1150527A1 Capacitive gauge |
| 07/20/1983 | EP0083728A1 Low loss wide band front end for NMR receiver |
| 07/19/1983 | US4394617 Swept-dip probe |
| 07/19/1983 | US4394615 Apparatus for testing the quality of the ground connection and the insulation quality in an electrical hand tool or the like |
| 07/12/1983 | US4393434 Capacitance humidity sensor |
| 07/12/1983 | US4392378 Capacitance measuring apparatus |
| 07/05/1983 | US4392110 Methods and apparatus for monitoring the condition of dielectric liquid in electric discharge machining |
| 06/29/1983 | EP0082811A1 Pneumatic-electric measuring device |
| 06/23/1983 | WO1983002162A1 Insulation analyzer apparatus and method of use |
| 06/22/1983 | EP0082103A1 Method and arrangement for realising the detection of earth faults in an electric-energy distribution network |
| 06/21/1983 | US4389578 Controlled gate circuit |