APERTURE STOP
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United States of America Patent
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Issued Date -
Dec 15, 2016
app pub date -
May 19, 2016
filing date -
Jun 14, 2015
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Abstract
An aperture stop that include a circular region that comprises multiple points, wherein the multiple points comprise multiple opaque region points that are spread across all polar angles and multiple opening points that are spread across all polar angles; and wherein each opening point is (a) mapped to an angle of illumination and (b) is associated with a corresponding opaque region point that is mapped to an angle of specular reflectance from the angle of illumination mapped to the opening point
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