Laser illuminated image projection system and method of using same
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United States of America Patent
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Jan 6, 1998
Grant Date -
N/A
app pub date -
Jul 24, 1995
filing date -
Jul 25, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The laser illuminated image projection system includes a microlaser array coupled with a beam shaper to produce an exceptionally bright projection light beam. In one embodiment, the beam shaper includes a binary phase plate to modify the shape and intensity profile of the projection light beam. In another embodiment, the beam shaper includes a microlens array arrangement. In yet another embodiment, the beam shaper includes a diffuser arrangement. A light valve modifies the projection light beam to generate an output light beam indicative of an image. A projection lens arrangement focuses the output light beam onto a remote surface to reproduce the image thereon.
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Cited Art Landscape
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