Computer graphics processing and selective visual display system – Computer graphics processing – Attributes
Reexamination Certificate
2004-01-21
2009-10-06
Brier, Jeffery A (Department: 2628)
Computer graphics processing and selective visual display system
Computer graphics processing
Attributes
Reexamination Certificate
active
07598962
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, a graphics input and an audio input simultaneously. The chip uses window descriptors to describe logical surfaces, or windows, of graphics information to be displayed on the screen. The chip incorporates a unified memory architecture that provides a high level of system performance while conserving memory bandwidth and chip size. Video and graphics scaling capabilities as well as anti-flutter filtering capability are provided.
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paten
Kranawetter Greg A.
MacInnis Alexander G.
Patterson James T.
Tang Chengfuh Jeffrey
Xie Xiaodong
Brier Jeffery A
Broadcom Corporation
McAndrews Held & Malloy Ltd.
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