Appeal No. 1997-0017
Application No. 08/188,365
uses an examining window that extends over and is
perpendicular to a predetermined number of successive columns
of binary pixel data received from a document scanner to form
a target row of pixels, and that initiates the compressing of
the target row of pixels after receiving the predetermined
number of successive columns of binary pixels but before the
last column of binary pixels has been generated by the
document scanner.
The examiner is of the opinion (Supplemental Answer,
paper number 29, page 4) that:
D’Aoust ‘100 strongly suggests that the compression
steps may take place while further image data is
being input (i.e., “before said last column of
binary pixels is received”). See column 16, lines
29-31 and column 18, lines 50-53 of D’Aoust ‘100.
Note also that column 4, lines 23-31 state that
“entities 48, 52, 56, 60 and 64 represent a single
document image pipelined processing assembly . . .”
This indicates that at least the image digitization
(48) and compression (60) are being performed at the
same time for different parts of the image (i.e.,
the first columns of data would be processed by the
compressor before the last column is digitized.)
Appellant argues (Reply Brief, page 3) that “it is clear
from reading the detailed specification of D’Aoust ‘100 that
image digitizing of a document occurs before compression of
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