Appeal No. 1997-1695
Application No. 08/496,121
NC and ND clock signals correspond to the claimed first and
second potential means. The Examiner also makes note of the
fact that, although Ichimura’s transistor QB is illustrated
and described as an N-channel transistor, Ichimura expressly
provides (column 10, lines 1-6) for replacing the N-channel
transistors with P-channel transistors.
In response, Appellant’s arguments center on two alleged
primary differences between Ichimura’s disclosed booster
circuit and the claimed invention. Initially, Appellant
contends (Brief, page 10) that Ichimura’s express disclosure
of the drive transistor QB in Figure 1 is of an N-channel
type, not a P-channel type as claimed. We do not find such
contention to be well founded. In our view, to accept
Appellant’s argument, one would have to ignore the clear,
unambiguous disclosure at column 10, lines 1-4 of Ichimura
which states:
... although N channel MOS transistors
or the like are used for each element in
the above embodiments, P channel MOS
transistors, bipolar transistors, diodes
or the like also may be appropriately used.
Appellant’s second major point of argument asserts a lack
of disclosure in Ichimura of the claimed requirement that the
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