Multifocal system using adaptive lenses
US11194222B2 · kind B2 · utility
2Cited by
0References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 2020 |
| Grant date | Dec 7, 2021 |
| Priority date | — |
| Expiry date | Sep 16, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/07
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A device is provided. The device includes a first lens assembly controllable to switch between a first plurality of optical powers. The first lens assembly includes a plurality of directly optically coupled lenses. The device also includes a second lens assembly controllable to switch between a second plurality of optical powers that are the opposite of the first plurality of optical powers. The device further includes a half-wave plate disposed between the first adaptive lens assembly and the second adaptive lens assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.