Appeal No. 1997-4047 Page 12
Application No. 08/309,508
means for subjecting converted Y,Cr,Cb color
signals to data compression,
means for subjecting compressed Y,Cr,Cb color
signals to data decompression ...,
...
means for compensating Y component of converted
Y,Cr,Cb color signals ....
The limitations evidence that “compressed Y,Cr,Cb color
signals” are signals that have been compressed while
“converted Y,Cr,Cb color signals” are signals that have not
yet been compressed.
In view of this nomenclature, the compensating means of claims
2 and 3, which operate on “converted Y,Cr,Cb color signals”
must be interpreted as compensating signals that have not yet
been compressed. By his own admission, the examiner fails to2
show a teaching or suggestion of these limitations in the
prior art.
Further regarding claim 3, the appellant argues, “Walowit
fails to teach ... that compensation is performed specifically
2Such an interpretation accords with Figure 2 of the
appellant’s specification, which shows compensation occurring
before compression.
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