SHAPED GRADIENT LENS
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United States of America Patent
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Issued Date -
Apr 17, 2014
app pub date -
Dec 18, 2013
filing date -
Feb 6, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
One embodiment provides a method for receiving parallel rays at a lens. A first surface of the lens can receive first substantially parallel rays incoming from a first direction. The first surface of the lens also can receive second substantially parallel rays incoming from a second direction that is substantially different than the first direction. The lens can focus the first substantially parallel rays onto a first focal point on a second surface of the lens and focus the second substantially parallel rays onto a second focal point on the second surface of the lens, the second focal point being different than the first focal point.
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