Appeal No. 2005-0351
Application 10/186,871
page 4 of the Answer and because claim 16 depends upon claim 15,
the claims on appeal that remain for our decision are claims 9
through 13, 17 and 18.
Representative claim 9 is reproduced below:
9. Frame buffer circuitry within a computer graphics
system for rendering an anti-aliased graphics scene comprising:
a first memory segment for storing color values
associated with pixels;
a second memory segment for storing alpha values
associated with the pixels;
a third memory segment for storing depth values
associated with the pixels; and
a fourth memory segment for storing anti-alias blending
information associated with the pixels, wherein the blending
information includes both direction and coverage information.
The following references are relied on by the examiner:
Jouppi et al. (Jouppi) 6,128,000 Oct. 3, 2000
Wong et al. (Wong) 6,172,680 Jan. 9, 2001
Fuchs et al. (Fuchs), “Fast Spheres, Shadows, Textures,
Transparencies, and Image Enhancements in Pixel-Planes,”
ACM 0-89791-166-0/85/007/0111, Vol. 19, No. 3, pp. 111-120 (1985)
Claim 18 stands rejected under 35 U.S.C. § 102(e) as
being anticipated by Jouppi. Additionally, all claims on appeal,
claims 9 through 13, 17 and 18, stand rejected under 35 U.S.C.
§ 103. As evidence of obviousness, the examiner relies upon
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