System for displaying video on a portable device and method...

Details System for displaying video on a portable device and method... System for displaying video on a portable device and method...

2006-01-31

2006-01-31

Bella, Matthew C. (Department: 2676)

Computer graphics processing and selective visual display system

Computer graphics display memory system

For storing compressed data

C345S547000, C382S235000

Reexamination Certificate

active

06992675

ABSTRACT:
A system and methods are provided for processing graphics to be displayed in a portable device. A current mode of operation of the portable device is identified. In a normal mode of operation, image data associated with the portable device is rendered by a graphics system of the portable device and stored in memory external to the graphics system prior to display. When a screen refresh mode of operation is identified, image data rendered by the graphics system is compressed and stored in memory integrated internal to the graphics system. The present disclosure has the advantage of allowing the memory external to the graphics system to be disabled during the screen refresh mode of operation, reducing power consumed by the portable device.

REFERENCES:
patent: 5835082 (1998-11-01), Perego
patent: 6002802 (1999-12-01), Chujoh et al.
U.S. Appl. No. 10/083,903, filed Feb. 27, 2002, Mizuyabu et al.
U.S. Appl. No. 10/083,917, filed Feb. 27, 2002, Mizuyabu et al.
U.S. Appl. No. 10/083,875, filed Feb. 27, 2002, Mizuyabu et al.

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