Patent ID: 9007308
Filing Date: 2015-04-14
Classification: G06F,Y02D

Abstract:
1. A system for managing illumination of a keyboard that is coupled to an electronic device or computer system, the system comprising: an imaging device configured to determine a direction of a user's eyesight relative to the keyboard; and a light source controller configured to control a plurality of backlights illuminating the keyboard according to the determined direction of the user's eyesight relative to the keyboard, such that, when it is determined that the user's eyesight is directed away from the keyboard, the light source controller is configured to keep on all of the backlights associated with illuminating a predetermined key of the keyboard, or to keep on all of the backlights associated with illuminating a predetermined subset of keys of the keyboard, and to turn off or keep off remaining backlights of the plurality of backlights associated with illuminating remaining keys of the plurality of keys.