Graphics display system with anti-flutter filtering and...

Details Graphics display system with anti-flutter filtering and... Graphics display system with anti-flutter filtering and...

2007-12-18

2009-06-30

Sajous, Wesner (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Graphic manipulation

C345S547000, C345S630000, C345S592000, C345S501000, C348S441000, C348S563000, C382S260000, C382S254000, C382S276000

Reexamination Certificate

active

07554562

ABSTRACT:
A graphics integrated circuit chip is used in a set-top box for controlling a television display. The graphics chip processes analog video input, digital video input, and graphics input. The chip includes a single polyphase filter that preferably provides both anti-flutter filtering and scaling of graphics. Anti-flutter filtering may help reduce display flicker due to the interlaced nature of television displays. The scaling of graphics may be used to convert the normally square pixel aspect ratio of graphics to the normally rectangular pixel aspect ratio of video.

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