Method and device for acquiring and computing data from an ophthalmic object
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United States of America Patent
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Aug 29, 2017
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app pub date -
Oct 24, 2014
filing date -
Oct 25, 2013
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Abstract
This method, which allows acquisition and computation of geometrical data of at least one pattern associated with an ophthalmic object (6) for manufacturing ophthalmic lenses similar to the object or complementary thereto, is of the type in which a device (12) for acquiring and computing geometrical data is used, which comprises:
- a transparent support (13) adapted for bearing an ophthalmic object;on one side of the support, means (17) for illuminating this support;on the other side of the support, a video camera (25) adapted for producing a video signal representative of at least one pattern associated with the ophthalmic object laid on the support; andsignal processing and analysis means (27) receiving at the input the video signal produced by the camera, and adapted for computing and providing the geometrical data.
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