Method for determining a parameter of an optical equipment
US11531217B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 5, 2017 |
| Grant date | Dec 20, 2022 |
| Priority date | — |
| Expiry date | Apr 16, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/027
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is a method for determining a parameter of an optical equipment including an optical lens including permanent markings and being mounted in a spectacle frame, including: positioning the optical equipment is before a pattern in a first position; positioning a portable electronic device including an image acquisition module in a second position so as to acquire an image showing together the pattern seen through at least part of the optical lenses of the optical equipment in the first position and at least part of the spectacle frame of the optical equipment in the first position; detecting the permanent marking on the optical lens using the image acquired by the image acquisition module of the portable electronic device in the second position; and determining at least one parameter of the optical equipment based on the position of the permanent marking.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.