Appeal No. 95-2827
Application 07/983,211
nearest previously generated output pixel in the manner
generally referred to in each independent claim on appeal.
After due consideration of the issues as developed by the
examiner and appellant, and the disclosed invention as well as
the teachings and suggestions of the prior art relied on, it
is clear to us that the examiner has misapplied the meaning
of the word “density” as taught by Itoh. We begin with the
consideration of some basic teachings in Eschbach.
At column 1, lines 10 to 18, it is indicated in the
background portion of this reference that image information
commonly generated in a bitmap format comprises “a plurality
of gray level pixels, i.e. pixels that are defined by digital
values, each value representing a gray level among a number of
gray levels. Thus, in an 8 bit system, 256 levels of gray are
present, where each level represents an increment of gray
between black and white.” Eschbach goes on to discuss gray
level pixel
values being converted to binary level pixel values,
indicating at column 3, lines 39 to 42 “each pixel
representing an optical density of the image at a location
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