Wearing condition parameter measurement device for spectacle lens and wearing condition parameter measurement method for spectacle lens
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United States of America Patent
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Dec 18, 2012
Grant Date -
Oct 6, 2011
app pub date -
Mar 18, 2011
filing date -
Mar 30, 2010
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Abstract
A wearing condition parameter measurement device for a spectacle lens adapted to measure a wearing condition parameter necessary for manufacturing spectacles includes a mirror having a mirror surface adapted to reflect the wearing condition of a wearer of the spectacle lens, an imaging camera adapted to simultaneously shoot the wearer and the mirror surface reflecting the wearer to obtain a shot image, and a calculation device adapted to calculate the wearing condition parameter based on the shot image obtained by the imaging camera.
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