Patent ID: 7507929

Claim:
A sensor device for producing a switch signal on approaching or contacting a sensor element through an approach of a finger or the like of a user, said sensor device having: a capacitive sensor element defining a surface and having an impression or coating comprising electrically conductive material, a flat panel of translucent or transparent material, said capacitive sensor element being located on a back surface of said flat panel remote from said user, and a control connected to said sensor element, wherein said sensor element has a conductive contacting with said control, wherein said impression or coating of said sensor element is transparent and is applied to a transparent film placed on a back of said panel, and wherein said film integrally forms said sensor element and an electrical contact to said control, wherein said film extends in one piece from a back of said panel to said control, said control being located on a printed circuit board and said film extending up to said printed circuit board.