Optical accommodative compensation system
US7338161B2 · kind B2 · utility
31Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2004 |
| Grant date | Mar 4, 2008 |
| Priority date | — |
| Expiry date | Aug 11, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C7/061
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The optical system presents accommodation compensation, the system including in combination two multifocal lenses, one of them being an aperture lens and the other a field lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.