Appeal No. 96-1855
Application 07/953,807
with the phase selection being predetermined (as a phase
placement pattern) and stored in a memory (note column 4 lines
52-66). Appellants, on the other hand, determine phase
inversion (i.e. phase shifting of 180º) dependent on what was
displayed previously (using a line memory in the first
embodiment), or dependent 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 (Appellants' second
embodiment).
Looking at Appellants' claims, we first note that
claims 1 through 7 are directed to the first embodiment, and
claims 8 and 10 through 17 are directed to the second
embodiment. Claims 1-7
Appellants argue "The Examiner has not explained why
one of ordinary skill in the art would have been motivated to
replace Bassetti's time delay unit or pixel memory 496 with a
line memory as would be required to meet the limitations of
claim 1." (Brief at page 18). Looking at claim 1 lines 14 and
15 we see "a line memory in which the input display data is
stored for at least one line;" and on lines 32-34 "comparing
-10-10
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