Method and apparatus for continuous focus and exposure in a digital imaging device
US7304681B2 · kind B2 · utility
29Cited by
1References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2004 |
| Grant date | Dec 4, 2007 |
| Priority date | — |
| Expiry date | Mar 5, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/71
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A digital imaging device performs automatic focus and exposure adjustments based on high-resolution frames when a scene change has been detected based on the analysis of low-resolution frames. The digital imaging device reduces battery power consumption while simultaneously shortening shutter lag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.