Appeal No. 95-4361
Application 08/043,320
the source data for further processing with the product outputs
from the look-up table. Note that the outputs from Ishii’s look-
up table 36 and logic circuit 37 are evidently already in RGB
format (column 7, lines 38-46).
Claim 6 depends indirectly from claim 1, and claim 7 depends
indirectly from claim 1. Claim 6 is rejected based on the
combined teachings of Ishii and Lucas and claim 7 is rejected
based on the combined teachings of Ishii and Kubo. The
appellants correctly note that Lucas ?does not suggest any aspect
of the two-stage conversion characterized in parent claim 1" (Br.
at 7). The examiner relied on Lucas only in connection with the
chrominance sub-sampling feature particularly recited in claim 6.
Accordingly, Lucas does not make up for the deficiencies of
Ishii. Similarly, the appellants correctly note that Kubo does
not suggest a two-stage conversion process as the appellants have
claimed (Br. At 8), and the examiner has not relied on Kubo for
that feature (answer at 10). Thus, Kubo does not make up for the
deficiencies of Ishii.
With regard to claim 8, the appellants are correct that
Rumball teaches a one-stage conversion wherein the entire
conversion is effected through access to a single lookup table 28
6
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