Appeal No. 2001-2416
Application No. 08/843,978
instants in a later scan period corresponding to the first and second instants, the
examiner relies on Tanaka for an interpolation method which is somehow to be
employed by Kii. The examiner has not convinced us of any reason, other than
hindsight, for the artisan to have turned to Tanaka for any modifications to be made in
Kii. First, since Kii does not appear to have any need for an interpolation method, the
artisan would not be looking for such a technique. Moreover, as pointed out by
appellant, at page 6 of the brief, since Tanaka is directed to a laser display device,
which is not subject to the same problems as the raster scan of a cathode ray tube,
there would have been no reason for the artisan to have considered Tanaka when
seeking any modification to the Kii system. As stated by appellant, at page 6 of the
brief, Tanaka is a vector scan system in which the coordinates of the signal samples
are already known so “there is no need for the generation of a spot position indication
signal.” Hintze is of no help in this regard. Accordingly, there would have been no
reason to combine Tanaka with Kii.
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