Appeal No. 2001-0925
Application No. 08/897,401
from the group/library of algorithms that is necessary to convert
the raster image data in the first raster format to the second
raster format (column 6, lines 62 through 66). The raster image
data in the first raster format is thereafter processed in the
universal conversion unit with the selected subset of
algorithms/filters so that the raster image data in the first
raster format is converted to the second raster format (column 6,
line 67 through column 7, line 2). Thus, Le Gall initializes and
installs an algorithm/filter stack of selectively installed
algorithms/filters in response to the comparison output, and
applies each algorithm/filter in the algorithm/filter stack “to
the image data, wherein the image data may be efficiently
transformed from the present format to the requested format” as
required by the steps of claim 17.
Based upon the foregoing, it is seen that Le Gall does not
teach “a fixed series of filters in a persistent configuration”
(brief, page 9). Instead, Le Gall teaches that the filters may
be “selectively installed or added only as needed” to the filter
stack “at run time” (brief, pages 9 and 10; reply brief, page 4).
Accordingly, we will sustain the obviousness rejection of claim
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