Assembly for analyzing a light pattern caused by refraction and reflection at a precious stone
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United States of America Patent
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Jul 11, 2017
Grant Date -
Jun 9, 2016
app pub date -
Feb 10, 2016
filing date -
Aug 27, 2013
priority date (Note) -
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Abstract
An assembly for analyzing a light pattern caused by refraction and reflection at a precious stone, comprising a light source for illuminating the precious stone, a retaining device for retaining the precious stone, a diffusing screen for imaging the light pattern, and a camera for recording the light pattern imaged on the diffusing screen. The assembly comprises a semi-transmitting optical element for deflecting, in a direction of the precious stone, light emitted by the light source and transmitting the light refracted and reflected at the precious stone.
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