Device for automatically detecting characteristics of an ophthalmic lens and an automatic device for fitting a centering and drive peg incorporating it
US6888626B2 · kind B2 · utility
7Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2002 |
| Grant date | May 3, 2005 |
| Priority date | — |
| Expiry date | Oct 13, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M11/0235
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A device for automatically detecting characteristics of an ophthalmic lens includes a support receiving the lens, an illumination system and an analysis system. The optics of the illumination system define two alternate optical paths, one of which passes through a mask forming a Hartmann matrix.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.