Appeal No. 96-4002
Application No. 08/121,849
At the outset, we note that both Appellant and the
Examiner agree that Leszczynski discriminates echoes on the
basis of amplitude rather than energy content of the received
echoes. Appellant’s initial point of contention is that
Snyder also is deficient in teaching the determination of the
energy content of any particular echo. In Appellant’s view
(Brief, page 11), Snyder’s approach to echo discrimination is
merely to add together a plurality of peak magnitude values of
echoes resulting from a succession of transmitted pulses to
develop a normalized sum value which would be greater than a
sum corresponding to a random noise signal.
Upon careful review of the Snyder reference, we are in
agreement with Appellant’s stated position in the Brief. In
our opinion, the integration operation in Snyder relied on by
the Examiner does not result in the determination of energy
content or "area under the curve" of any echo but rather
supplies only a summation of peak values of a succession of
echo signals.
With respect to the Baumoel reference as well, we find
ourselves in agreement with Appellant. From the Examiner’s
statement of the grounds of rejection, Baumoel was cited
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