Method and apparatus for maintaining a consistent effective focal length in a digital camera
US7116364B2 · kind B2 · utility
6Cited by
3References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2002 |
| Grant date | Oct 3, 2006 |
| Priority date | — |
| Expiry date | Dec 22, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/67
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A digital camera maintains a consistent effective focal length upon switching from a first focus mode to a second focus mode, the focus modes having different maximum focal lengths. Maintaining a consistent effective focal length across focus mode changes obviates the need for a user to reframe a scene upon changing focus modes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.