Appeal No. 1999-0081
Application No. 08/506,645
basis for the view that the use of the word “range” is that
the respective key actuation of the claimed switch enlarges or
reduces the range of a region. Appellant’s position at pages
3 and 4 of the reply brief is such that when viewed in light
of the specification’s disclosure, the word “range” is
essentially defined in the specification to mean an
enlargement or reduction of the size or range of a region of
the video signal.
Our study of the specification as filed as a whole is
consistent with this view. Beginning with the discussion of
the
prior art at page 1 of the specification as filed, it is noted
at the bottom of that page that it was known in the art to
utilize an operating lever to enter coordinate or X, Y
position information “and to set the input picture size or
range using an operating button, such as a so-called volume
knob”. The setting action “altered” the size or range of the
input picture. In this light, the word “range” appears to be
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