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United States of America Patent
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N/A
Issued Date -
Apr 28, 2005
app pub date -
Dec 14, 2004
filing date -
Dec 3, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Apparatus including: a substrate, having a substrate surface, at least a portion of which is transparent or apertured; and an array of objects each having a maximum dimension smaller than 1 mm attached to the substrate and having an axis about which the object can rotate, wherein the object has two stable positions, a first stable position at which the object covers a transparent or apertured portion of the substrate and a second stable position at which the transparent portion is at least partially uncovered.
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Cited Art Landscape
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