Optical assembly for a compact wide field of view digital camera with low first lens diameter to image diagonal ratio
US11320634B2 · kind B2 · utility
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33References
20Claims
0Family size
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Key dates
| Filing date | Jul 6, 2020 |
| Grant date | May 3, 2022 |
| Priority date | — |
| Expiry date | Sep 21, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B13/22
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical assembly for a point action camera or other compact digital camera having a wide field of view, includes multiple lens elements, including at least one lens element that has an aspheric lens surface. The optical assembly is configured to provide a field of view in excess of 120 degrees. The optical assembly includes a ratio of a diameter of a first lens element at the object end of the optical assembly to an image diagonal is less than approximately 3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.