Device for acquisition and measurement of geometric data of at least one motif associated with a spectacle frame glass and associated method
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United States of America Patent
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Aug 8, 2017
Grant Date -
May 21, 2015
app pub date -
Nov 19, 2014
filing date -
Nov 20, 2013
priority date (Note) -
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Abstract
This data acquisition and measuring device for acquisition and measurement of geometric data for at least one motif associated with a glass for a spectacle frame, for the manufacture of ophthalmic lenses, similar or complementary to the glass, comprises a support capable of holding the glass, an illuminator for illuminating this support, a video imaging system for capturing images oriented towards the support and capable of capturing at least two images of the contour of the glass placed on the support, and a signal analyzer and processor that receive at the input each image captured by the video imaging system. The analyzer and processor is capable of measuring the distance from at least one point of the form contour of the glass to a reference plane based on said images.
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