Patent ID: 6603086
Filing Date: 2003-08-05
Classification: H01H

Abstract:
A dome switch including a single switch comprising:a front sheet having a domed projection projecting outside, being reversible and provided with an electrode at a back side; an electric circuit body having an electric contact to contact with said electrode provided on said domed projection when said domed projection is reversed; and, a domed convex portion provided in a vicinity of a center of said domed projection, wherein, in a process of pushing said convex portion, said projection is reversed and said electrode provided near a periphery of said convex portion at the back side of said front sheet is brought into contact with said electric contact provided on said electric circuit body and a center electrode provided in a vicinity of a center of said domed convex portion at said back side of said front sheet is brought into contact with said electric contact provided on said electric circuit body.