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United States of America Patent
Stats
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Jun 28, 1994
Grant Date -
N/A
app pub date -
Mar 1, 1991
filing date -
Mar 2, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A display system using a matrix of rotatable display elements is provided in which the optical states of the display elements can be read back to confirm that the matrix is portraying information correctly. The display system is arranged to automatically ameliorate the effect of detected non-operating display elements on the intelligibility of the message displayed.
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Cited Art Landscape
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