| 摘要 |
<p>A method for managing backlight illumination of a keyboard that is coupled to an electronic device or computer system includes placing backlights illuminating the keyboard in an on-state or an off-state according to a direction of the users eyesight relative to the keyboard, a use state of the keyboard, and a state of a display presented to the user by the electronic device or computer system to receive input via keyboard entry. The method includes turning off at least one backlight if the users eyesight is directed away the keyboard, if the keyboard is not in use, or if the display does not include an input element for receiving input via keyboard entry.</p> |
