Beam-index-type color display apparatus
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United States of America Patent
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-
Aug 11, 1992
Grant Date -
N/A
app pub date -
Mar 23, 1990
filing date -
Jul 7, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A beam-index-type color display apparatus includes an A/O modulator for emitting a first-order beam for use as an image projecting light beam and a zero-order beam for use as an index beam. The color display apparatus is light-weight and may have a large screen. An index signal can reliably be produced even if the screen is treated for a higher screen gain.
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Cited Art Landscape
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