US Patent 7309825 Guitdoorbell entry signal stringed instrument door chime

A dual element door chime assembly, positioning pick and fixed mount miniature guitar door chime, which provides musical, door opening audible indication and visual guitar decorative theme. The apparatus can be easily adapted to various sizes of doors and a plethora of doorway entry designs. The apparatus is comprised of a movable guitar pick and stationary fixed mount inverted miniature guitar, constructed of a spring-door stopper pick rotating about a horizontal plane and a fixed mount, wooden miniature guitar with metal string assembly.