US Patent 8662701 Flashlight having a controller providing programmable operating states

An electrical light or flashlight may comprise: a housing for receiving a battery; an electrical light source in the housing; an electrical switch including an electrically conductive flexible dome providing a switch contact; a controller for selectively energizing and de-energizing the electrical light source, wherein said controller is programmable responsive to closures or openings or both of the electrical switch, or to a time therebetween, or to continuous closure or opening thereof, or to a combination thereof, for operating the light source in predetermined operating states.