Adaptive keyboard lighting
First Claim
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.
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Accused Products
Abstract
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 user'"'"'s 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 user'"'"'s 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.
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Citations
25 Claims
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1. A system for managing illumination of a keyboard that is coupled to an electronic device or computer system, the system comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A microprocessor-implemented method for managing backlight illumination of a keyboard that is coupled to an electronic device or computer system, the method comprising:
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determining a direction of a user'"'"'s eyesight relative to the keyboard; and placing each of a plurality of backlights illuminating the keyboard in an on-state or an off-state according to the determined direction of the user'"'"'s eyesight relative to the keyboard, including, when it is determined that the user'"'"'s eyesight is not directed toward the keyboard; keeping on any backlights of the plurality of backlights associated with illuminating a predetermined key of the keyboard; and turning off or keeping off any remaining backlights of the plurality of backlights associated with illuminating remaining keys of the plurality of keys. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A microprocessor-implemented method for managing backlight illumination of a keyboard that is coupled to an electronic device or computer system, the method comprising:
placing each of a plurality of backlights illuminating the keyboard in an on-state or an off-state according to a direction of the user'"'"'s eyesight relative to the keyboard, including keeping on any backlights of the plurality of backlights associated with illuminating a predetermined key of the keyboard, and turning off or keeping off any remaining backlights of the plurality of backlights, when it is determined that the user'"'"'s eyesight is not directed toward the keyboard. - View Dependent Claims (20, 21, 22)
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23. A system for managing illumination of a keyboard that is coupled to an electronic device or computer system, the system comprising:
a light source controller configured to place one or more backlights illuminating the keyboard in an on-state or an off-state according to a direction of the user'"'"'s eyesight relative to the keyboard, wherein the light source controller is configured to keep on any backlights of the plurality of backlights illuminating a predetermined subset of keys of the keyboard, and to turn off or keep off any remaining backlights of the plurality of backlights, when it is determined that the user'"'"'s eyesight is not directed toward the keyboard. - View Dependent Claims (24, 25)
Specification