Patent ID: 7220016
Filing Date: 2007-05-22
Classification: F21L,F21V,F21Y,H05B,Y10S

Abstract:
1. A flashlight comprising: a lamp; a power storage element; a first switch; a second switch; an electronic controller; the controller having a first switch input connected to the first switch; the controller having a second switch input connected to the second switch; the controller being operable in response to actuation of the first switch to deliver power to the lamp; the controller being operable in response to a signal received from the second switch to establish a degree of the delivered power, such that the second switch determines a brightness of the lamp; wherein the flashlight is an elongated body defining an axis, and the second switch is a ring rotatable about the axis; wherein the flashlight includes a leak-resistant housing defining a chamber, and wherein the second switch is positioned outside the chamber; and wherein the second switch includes a sensor component within the housing, the sensor component operable to detect the position of the second switch.