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US 2023/0249308 A1Published application
Centering apparatus and process
AssigneeEssilor International
InventorsLaurent ROUSSEL, Hugues AMEURLAIN
Life of this patent
Estimating the term…
Abstract
Disclosed is a centering apparatus including: a chassis; a holder mounted on the chassis, which is suitable for receiving an ophthalmic lens; and a centering unit mounted on the chassis, which includes: a camera for acquiring images of the ophthalmic lens when received on the holder, and a screen for displaying the images acquired by the camera and a centering target superimposed onto the images, the centering target including two coaxial and parallel outlines.
Claims20
A centering apparatus including:
- a chassis,
- a holder mounted on the chassis, which is suitable for receiving an ophthalmic lens, and
- centering means mounted on the chassis, which include:
- a camera for acquiring images of the ophthalmic lens when received on the holder, and
- a screen for displaying the images acquired by the camera and a centering target superimposed onto said images,
- wherein said centering target comprises two coaxial and parallel outlines, and wherein the size of at least one outline is modifiable so that the distance between the outlines is adjustable.
3 more elements
Method for centering an ophthalmic lens, comprising steps of:
- positioning the ophthalmic lens on a holder,
- acquiring images of the ophthalmic lens received on the holder by means of a camera, and
- displaying the images acquired by the camera together with a centering target superimposed onto said images,
- manually modifying the position of the ophthalmic lens on the holder,
- wherein said centering target comprises two coaxial and parallel outlines and wherein, the size of at least one outline being modifiable, the distance between the outlines is adjusted before the step of manually modifying the position of the ophthalmic lens.
2 more elements
Dependencies are inferred from the claim text.