Appeal No. 1999-2025
Application No. 08/394,212
edge detected by the edge detecting means.” We further agree
with appellant, brief at page 18, that “Tsuji apparently
attempts to use submatrix gradation processing [153 in figure
7] for half-tone pictures, and to use dither processing [156
in figure 7] for character printing.” We also agree with
appellant that once Tsuji has discriminated between the edge
forming picture elements and non-edge forming picture
elements, Tsuji uses a graduation process or the dither
process depending upon that decision. On the other hand,
appellant’s invention goes further to discrim-inate between
the picture elements or image portions, and the
character image elements among the data representing the edge
elements of the image. Tsuji does not go into this further
discrimination process. Therefore, we do not sustain the
anticipation rejection of these claims by Tsuji.
With respect to claims 26, 28, 55, 57 through 71, and 77
through 81, the examiner uses Janeway in combination with
Tsuji to assert that these claims are obvious. See pages 5
through 7 of the final rejection (paper no. 60). The examiner
admits that Tsuji does not teach the recited black portion
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