Method and apparatus to reduce power consumption of a...

Details Method and apparatus to reduce power consumption of a... Method and apparatus to reduce power consumption of a...

2006-04-25

2006-04-25

Elamin, A (Department: 2116)

Electrical computers and digital processing systems: support

Computer power control

C713S323000, C713S324000, C700S012000, C700S014000, C700S015000

Reexamination Certificate

active

07036025

ABSTRACT:
In accordance with an embodiment of the present invention, a computer system may determine focus areas and non-focus areas of the display screen. The brightness of non-focus areas may then be reduced with respect to focus areas, thereby reducing power consumption of the display screen and, hence, reducing power consumption of the computer system. For example, a focus area may be an active window of the display screen and a non-focus area may be an inactive window of the display screen. As another example, a focus area may be a region of the display screen within a vicinity of a cursor (i.e. data entry point), and a non-focus area may be the region outside this vicinity. The size of the vicinity may be measured in radius or in lines of data (e.g. in a word processing or spreadsheet program) surrounding the cursor. The size and shape of the vicinity may be determined by a user.

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