Method of preparing an ophthalmic lens fitted with a memory mark
US9625743B2 · kind B2 · utility
3Cited by
14References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 2011 |
| Grant date | Apr 18, 2017 |
| Priority date | — |
| Expiry date | Mar 9, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/021
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of preparing an ophthalmic lens (20) for mounting in an eyeglass frame, the ophthalmic lens including a memory mark (28) that is situated on one of its ophthalmic faces (22) and that forms a code storing in digital form at least one item of information relating to a mechanical, geometrical, or optical characteristic of the ophthalmic lens. The method includes three steps:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.