Display device
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United States of America Patent
Stats
-
Aug 20, 1991
Issued Date -
N/A
app pub date -
Jun 22, 1990
filing date -
Jul 30, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A display device for producing a display, which device comprises a base, a rotatable member, first rotation means for rotating said rotatable member about a first axis, illumination means for producing a said display and arranged to be rotated about said first axis by said rotatable member, and second rotation means for causing movement (as herein defined) of said illumination means about a second axis different from and non-orthogonal to said first axis.
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Family
International Classification(s)
Cited Art Landscape
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