Optical assembly for a wide field of view point action camera with low track length to focal length ratio
US9091843B1 · kind B1 · utility
33Cited by
134References
70Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2014 |
| Grant date | Jul 28, 2015 |
| Priority date | — |
| Expiry date | Mar 16, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/51
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical assembly for a point action camera with a wide field of view has multiple lens elements configured to provide a field of view in excess of 150 degrees. One of more of the lens elements has an aspheric surface. The optical assembly exhibits a low ratio of total track length to effective focal length that is less than 8.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.