Appeal No. 2001-0583
Application No. 09/039,348
tuning frequency. As shown in Gilmore, the tuning frequency and the stepped-
frequency signal do have a relationship based on an adjustable integer frequency (the
function of divider 122). Since the output of Gilmore’s phase lock loop 114 (the output
of VCO 120), the tuning frequency, is directly related to the stepped-frequency signal
input to the phase detector 116, it is fair to conclude that the tuning oscillator of Gilmore
is “synchronized” to the stepped-frequency signal to form a tuning frequency, as broadly
claimed.
Finally, appellants argue that Gilmore does not provide a tuning frequency
having substantially uniform tuning steps, as required by the final paragraph of claim 1.
However, it appears to us, from Gilmore’s disclosure at column 6, lines 41-59,
especially lines 47-48, that Gilmore, in providing for phase lock loop outputs of 200,
210, 220, 230, ..., 390 and 400 MHZ, clearly provides for a tuning frequency having
substantially uniform tuning steps, the uniformity being 10 MHz steps.
We have granted appellants’ request for rehearing to the extent that we have
reconsidered our decision in light of appellants’ arguments. However, we deny the
request with respect to making any changes in our decision.
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