Appeal No. 1997-4047 Page 7
Application No. 08/309,508
be overturned. In re Fine, 837 F.2d 1071, 1074, 5
USPQ2d 1596, 1598 (Fed. Cir. 1988).
With these in mind, we analyze the appellant’s arguments.
Regarding claim 1, the appellant argues, “an artisan
would not have combined, without the benefit of hindsight
gleaned from Appellant's invention, the complex compensation
procedure of Walowit, which considers a gamut mismatch between
input and output color signals, with the Article's device,
which has the inefficient compensating procedure but not the
gamut mismatch.” (Appeal Br. at 7.) He adds, “the McColl
device does not experience the type of gamut mismatch between
input and output colors that the Walowit device experiences to
require the type of gamut mismatch processing that is
performed in the Walowit device.” (Reply Br. at 2.) The
examiner replies, “It would have been obvious ... to add the
‘means for compensating at least one of said converted color
signals’ of Walowit to the ‘apparatus for converting color
signals’ of Colour Image Data for the desirable purpose of
reducing conversion errors.” (Examiner’s Answer at 6.) He
adds, “It is not clear how one color value being outside one
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