Patent ID: 6621029
Filing Date: 2003-09-16
Classification: H03K

Abstract:
A switch, comprising:a translucent circuit board; a touch-sensitive cell mounted on an upper surface of said translucent circuit board and having connections for operating a functional member; a light source mounted on a lower surface of said translucent circuit board in vertical registration with said touch-sensitive cell; a translucent intermediate piece positioned over said translucent circuit board and said touch-sensitive cell, the intermediate piece in a rest state being contact free with said touch-sensitive cell and in a user-depressed state being in contact with said touch-sensitive cell to cause said touch-sensitive cell to operate the functional member; a support structure located above said intermediate piece and having an opening in vertical registration with said touch-sensitive cell; and a projecting portion located on an upper side of said intermediate piece extending above a local upper surface of said support structure through said opening.