Capacitive touch switch
First Claim
Patent Images
1. A capacitive touch switch, comprising:
- a panel formed of a metal material;
a sensor area formed of a plate of metal material disposed in said panel;
an electrically insulating element disposed between said plate and said panel;
a printed circuit board disposed at a distance behind said panel;
a capacitive sensor element being disposed between said panel and said printed circuit board, in electrically conductive contact with said printed circuit board and associated with said plate in said panel at a distance from said plate; and
a non-conductive insulating body disposed between said plate and said capacitive sensor element.
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Accused Products
Abstract
A capacitive touch switch for an operator control panel of an electrical domestic appliance includes a panel, a sensor area disposed in the panel, a printed circuit board disposed at a distance behind the panel, and a capacitive sensor element which is disposed between the panel and the printed circuit board, is in electrically conductive contact with the printed circuit board and is associated with the sensor area in the panel at a distance from the sensor area. The sensor area is formed by a plate of metal material, and a non-conductive insulating body is disposed between the plate and the capacitive sensor element.
45 Citations
15 Claims
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1. A capacitive touch switch, comprising:
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a panel formed of a metal material; a sensor area formed of a plate of metal material disposed in said panel; an electrically insulating element disposed between said plate and said panel; a printed circuit board disposed at a distance behind said panel; a capacitive sensor element being disposed between said panel and said printed circuit board, in electrically conductive contact with said printed circuit board and associated with said plate in said panel at a distance from said plate; and a non-conductive insulating body disposed between said plate and said capacitive sensor element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification