Appeal No. 1997-4067
Application 08/285,324
subject matter of the '821 patent and the '328 application.
The rejection of claims 1-15 is reversed.
It is noted that if the situation were reversed and the
present application had issued before the application on
which the '821 patent is based, the claims in the
application on which the '821 patent is based would have
been subject to a straightforward obviousness-type double
patenting rejection. That is, claim 1 of the '821 patent to
the subject matter BCE would be anticipated by (and, hence,
obvious over) the subject matter ABCDEE' of claim 4 of the
present application.
Obviousness
Williams discloses a digital signal processing
apparatus having a segmentation block 30 which parses the
incoming data to determine (1) areas of the image which are
representative of a halftone input region to be processed by
a first kind of image processing effect (e.g., a low pass
filter to remove screen patterns), and (2) areas of the
image which are representative of a text portion to be
processed by a second kind of image processing effect (e.g.,
an edge enhancement filter) (col. 4, line 56 to col. 5,
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