A flashlight having a lamp, a power storage element, a switch, and an electronic controller. The controller has a switch input connected to the switch and operates in response to the input to deliver power from the power storage element to the lamp. The controller may be directly connected to each of...http://www.google.fr/patents/US7540625?utm_source=gb-gplus-shareBrevet US7540625 - Flashlight with selectable output level switching
