Appeal No. 98-2805
Application 08/663,849
to the positional orientation of the particular projection
apparatus which incorporates that CPU in accordance with data
received from the host computer. Each of the high performance
CPUs then controls the positional orientation of its
corresponding projection apparatus based on the results
calculated. The resulting image projected on the dome of the
planetarium is a composite of the images projected from the
star field projection apparatus (2) and the individual
projection apparatus (3a-3g) and depicts the state of the star
field, the sun, moon and planets, etc., from the first
perspective (i.e., the inputted time, date and viewer
coordinates).
What Hattori lacks is any recognition of appellants’
problem and any mechanism for designating a second viewpoint
different from the first viewpoint and display means for
displaying a state of celestial bodies as observed from the
second viewpoint, so that one obtains 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” (specification, page 3). When
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Last modified: November 3, 2007