Three-dimensional image projecting device
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United States of America Patent
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May 16, 2000
Grant Date -
N/A
app pub date -
May 20, 1997
filing date -
Jul 25, 1996
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention is intended to provide a three-dimensional image projecting device which is capable of presenting a three-dimensional image observable in a wide visual field without tiring eyes of an observer. A three-dimensional image displayed by three-dimensional image displaying means is projected by a reflection type projecting hologram lens and reflection type hologram acting as optical transferring means and a reflection type hologram lens to produce respective three-dimensional images. These three-dimensional images are formed at the same magnification in the same space to form a continuous image area. For this purpose, reflection type hologram lenses are disposed on the periphery of a circle. Respective three-dimensional images is reflected by the reflection type hologram acting as the optical transferring means, thus an enlarged three-dimensional image can be seen over the respective visual fields.
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Family
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Cited Art Landscape
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