Capacitive touch switch
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 16, 2010
Grant Date -
May 10, 2007
app pub date -
Oct 30, 2006
filing date -
Nov 9, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A capacitive touch switch, for a control panel of a domestic electrical appliance, includes a touch panel having an upper side and an underside. A printed circuit board is disposed at a distance below the underside of the touch panel. A sensor element is disposed between the underside of the touch panel and the printed circuit board and is in electrically conductive contact with the printed circuit board. The capacitive sensor element has a compression spring formed of an electrically conductive material and a contact element formed of an electrically conductive material, which is disposed on that side of the compression spring which faces the touch panel and which is in electrically conductive contact with the compression spring.
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