Method of and apparatus for utilizing video buffer in a...

Details Method of and apparatus for utilizing video buffer in a... Method of and apparatus for utilizing video buffer in a...

2003-03-27

2010-02-02

Natnael, Paulos M (Department: 2622)

Television

Image signal processing circuitry specific to television

With details of static storage device

Reexamination Certificate

active

07656461

ABSTRACT:
The present invention includes a method and device that allows efficient mixing of multiple video images with a graphics screen while utilizing only one video buffer. The present invention partitions the sole video buffer, pre-scales the plurality of video images and inserts them into the partitioned video buffer in a predetermined range of buffer addresses. The present invention mixes the partitioned video including the pre-scaled video images with the graphics screen to produce a video display including both a video screen and a graphics screen.

REFERENCES:
patent: 6442206 (2002-08-01), Hrusecky
patent: 6449664 (2002-09-01), Honary et al.
patent: 6470051 (2002-10-01), Campisano et al.
patent: 6996174 (2006-02-01), Campisano et al.
patent: 2002/0085013 (2002-07-01), Lippincott
patent: 2008/0147968 (2008-06-01), Lee et al.

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