MARKINGS ON GLASS CUBE-CORNER RETROREFLECTOR AND METHOD OF MEASURING RETROREFLECTOR ORIENTATION
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app pub date -
Jun 25, 2015
filing date -
Nov 17, 2008
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Abandoned
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Abstract
A retroreflector includes a glass prism having three mutually perpendicular planar reflecting faces and a front face, the three reflecting faces intersecting in intersecting lines each having a mark, the front surface including three marks, each of the marks on the intersecting lines and the front surface having a different angle in a 2D image obtained a camera for any angle of an optical axis of the camera from 0 to 45 degree relative to a vector normal of the front face.
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