Appeal No. 96-1855
Application 07/953,807
a halftone "is previously determined based on (1) a position
of the pertinent line in a frame and (2) whether the first
halftone pixel is assigned to an even frame or an odd frame;"
(claim 8 lines 24-26, emphasis added). Appellants urge that
"absent the applicants' disclosure, nothing whatsoever in
Bassetti discloses or suggests previously determining whether
first data or second data is outputted from halftone data
generating means for a first halftone pixel having a pertinent
tone on a pertinent line based on (1) a position of the
pertinent line in a frame and (2) whether the first halftone
pixel is assigned to an even frame or an odd frame as recited
in claim 8." (Brief at page 32).
The Examiner responds that this is taught by
Bassetti in Figure 9 by pattern memory 130 with position
control for (1) line position (input 134) and (2) frame (input
132); answer at page 10. Reviewing Bassetti (Figure 9) we
find that the phase placement pattern (phases 130a) and a
specific matrix cell within the selected phase placement
pattern (specific phase Px) are selected by (1) the position
of a pertinent line (input 134) in a frame and (2) whether the
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