NASA NTRS · 19680000175
Capacitance-coupled wiper increases potentiometer life
Abstract
Capacitively-coupled wiper reduces the friction between the sliding contact and the potentiometer element in conventional potentiometers. A small preamplifier employed close to the wiper reduces errors caused by output cable capacitance. The device is friction free with resultant low wear and has high speed and high resolution.
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Dimeff, J.. 1968-06-01. Capacitance-coupled wiper increases potentiometer life. https://ntrs.nasa.gov/citations/19680000175
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