A flashlight has a single lamp, a power storage element, and a switch. The switch operates by being incremented through a sequence of states, and each increment may be caused an application and release of pressure. The different states correspond to different lamp brightness levels, and may include an...http://www.google.ca/patents/US7344270?utm_source=gb-gplus-sharePatent US7344270 - Flashlight with incrementing brightness selector switch
