Appeal No. 96-0750
Application 07/944,561
the rejection of claim 1 nor responds to any of appellants’
arguments regarding this limitation.
The pulse signal in Rhodes has a very different form
than the RF signal in the invention. The RF signal of the
invention reaches a maximum value and stays there as shown in
appellants’ FIG. 3. The delay in appellants’ invention is
maintained long enough to ensure that the undelayed signal
will have reached its maximum value for comparison. The
signals in Rhodes are repetitive as shown in FIGS. 1 and 2.
Rhodes is only interested in detecting the presence of a
signal by computing the initial slope of the signal.
According to appellants, the delay in Rhodes cannot be long
enough to permit the undelayed signal to reach its maximum
value before the subtraction takes place. The slope in Rhodes
must be determined before the signal begins to decrease in
value, that is, before the maximum value is reached.
According to appellants, the system of Rhodes would not
operate if the delay allowed the incoming signal to reach its
maximum value and start decreasing again. We agree.
Every argument appellants make with respect to the
differences in the delay and the maximum value of the
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