G - Physics – 03 – H
Patent
G - Physics
03
H
G03H 1/08 (2006.01) B24B 13/00 (2006.01) G02C 7/02 (2006.01)
Patent
CA 2590002
The inventive method for recording data on an optical lens (2) consists in recording a data-containing source image, in generating the hologram (3) of the image source and in recording said hologram on the lens surface portion ranging from 0.5 mm<SUP>2</SUP> to 15 mm<SUP>2</SUP>. The data can be readout by illuminating said lens by means of a light beam (101) in the hologram area. A read-out image (105, 106) which reproduces the source image and on which data is readable is formed at a distance from the lens. Said lens can be embodied, in particular in the form of an ophthalmic lens.
Un procédé d'inscription de données sur une lentille optique (2) comprend un enregistrement d'une image source contenant les données. Un hologramme (3) de l'image source est alors généré, puis inscrit sur la lentille en occupant une portion de surface comprise entre 0,5mm2 et 15mm2. Les données peuvent être lues en éclairant la lentille par au moins un faisceau lumineux (101 ) à l'endroit de l'hologramme. Une image de lecture (105, 106) , qui reproduit l'image source, est ainsi formée à distance de la lentille, dans laquelle les données sont lisibles. La lentille peut être, en particulier, une lentille ophtalmique .
Essilor International (compagnie Generale D'optique)
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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