Appeal No. 99-0872
Application 08/885,399
indicates that a count of data input lines in excess of 32
will render the device inoperable. Rather, a reasonable
reading of Duwaer would simply reveal that there are
advantages for having fewer data input lines. Indeed, as the
examiner has indicated (Answer at 6), Duwaer in column 2,
lines 11-17 and column 6, lines 23-35, indicates that a
greater number of data input lines may be used but would
increase the substrate area required and thus the cost.
Nonetheless, the appellants need to demonstrate only one
winning argument to have the rejection on appeal reversed, and
they have.
The appellants refute that a “sample and hold circuit” is
a digital-to-analog converter as is required by all of the
claims on appeal. The examiner, when faced with that
challenge, has not produced any evidence that a sample and
hold circuit is a digital-to-analog converter. The appellants
also point out that even if Duwaer’s sample and hold circuits
are replaced with digital-to-analog converters, the resulting
combination would not function, because Duwaer’s sample and
hold circuits receive analog signals as inputs. The examiner,
in response, has not produced any evidence that Duwaer’s
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