Appeal No. 96-3901
Application 08/192,638
signal has an amplitude approximately equal to a predetermined
percentage of the maximum amplitude. We note that on pages 7
and 8 of the brief Appellant quotes the claim language of each
of the independent claims 1, 6, 10 and 15, which recites the
above limitations.
The Examiner states on page 5 of the answer that
Bremmer discloses measuring a maximum read amplitude to define
a reference voltage. The Examiner then responds to
Appellant's arguments on page 8 of the answer that Bremmer
teaches in column 4, lines 17-20, that "[t]he reference
level 20 is selected to have a value more or less midway
between the maximum and minimum track signal amplitude." The
Examiner argues that from the above teachings, those skilled
in the art would have no other way to determine a maximum
track sign amplitude than selecting the largest amplitude of
the reproduced signals.
In the reply brief, Appellant responds by pointing
out that Figure 3 of Bremmer, reference level 20, which the
Examiner presumes is a maximum track signal amplitude, is not
shown
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