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United States of America Patent
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Jun 16, 1981
Grant Date -
N/A
app pub date -
May 9, 1979
filing date -
Feb 9, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A display unit comprising means for carrying means which moves a reflector plate to be moved between a display position which is in the proximity to or in contact with a transparent plate located on a display surface and a non-display position separated away from the display position, with the plate being rotated about an axis disposed in parallel to a surface of the plate.
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