Multifocal system using adaptive lenses
US11579511B2 · kind B2 · utility
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19Claims
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Assignee
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Key dates
| Filing date | Aug 11, 2021 |
| Grant date | Feb 14, 2023 |
| Priority date | — |
| Expiry date | Aug 11, 2041 |
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, and is configured to converge or diverge a light transmitted therethrough. The device also includes a second lens assembly coupled with the first lens assembly, and controllable to switch between a second plurality of optical powers that are opposite to the first plurality of optical powers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.