Appeal No. 98-2805
Application 08/663,849
allowable if rewritten in independent form including all of
the limitations of the base claim and any intervening claims.
Appellants’ invention relates to a planetarium which is
generally used to project a state of star fields,
constellations, and celestial bodies, or to simulate their
various movements, not only as observed from earth but also
from other planets or any viewpoint in space. An object of
the invention is to provide a planetarium in which one can
readily recognize his position in a projected star field, and
can easily understand positional relationships between star
fields, constellations and celestial bodies in space with
respect to each other. As noted on page 3 of the
specification, in its simplest form the invention can be
explained in the following manner:
“[p]rovided that a first viewpoint is defined
as the operator’s and the viewer’s eyes and that a
second viewpoint is set as a point from which the
view observed from the first viewpoint as well as
the first viewpoint, in this case the operators and
the viewers, can be observed, the image as viewed
from the second viewpoint becomes a bird’s eye view
overlooking the star fields, the constellation, and
the celestial bodies as observed from the first
viewpoint including the first viewpoint itself.”
2
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Last modified: November 3, 2007