Capacitive proximity and/or contact switch
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United States of America Patent
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May 15, 2018
Issued Date -
N/A
app pub date -
May 7, 2013
filing date -
May 7, 2012
priority date (Note) -
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Abstract
A capacitive proximity and/or contact switch includes a cover plate having an upper side and an underside. The upper side provides a sensitive area of the switch and the cover plate, at least in the region of the sensitive area, is at least partially non-conductive. A conductive sensor face is disposed at a distance from the underside of the cover plate. The dielectric system of this capacitive proximity and/or contact switch is formed of the cover plate, at least one non-conductive element facing towards the sensor face and at least one conductive element between the cover plate and the non-conductive element.
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