Appeal No. 1998-0752
Application 08/389,096
character, as is recited in claim 1. The system of
comparators and flip-flops used in Toyama serves to produce a
pair of (binary) identifiers that signal whether the slope of
the amplitude curve is rising, falling, or steady. Toyama,
however, does not contemplate generating a set of (numerical)
ratio difference values, as illustrated in Appellant's Figure
3C, to be compared with predetermined sets of ratio difference
values. Kao teaches a MICR waveform analyzer. As noted
supra, however, Kao teaches comparison of
normalized amplitudes to store sets of normalized amplitudes.
Kao does not compute numerical differences between adjacent
samples.
Thus, we fail to find that the combination proposed by
the Examiner would have resulted in the claimed invention.
Claims 2-4 depend from claim 1; therefore, the rejection
of claims 2-4 is reversed for the same reasons expressed supra
with regard to claim 1. Independent claim 8 contains
limitations parallel to those contained in claim 1, i.e.,
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