Camera with indication of measure of focus as a function of focal distance
US7027728B2 · kind B2 · utility
3Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2003 |
| Grant date | Apr 11, 2006 |
| Priority date | — |
| Expiry date | Jan 14, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/634
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A camera includes software to compute a measure of focus at a plurality of focal distances. The camera includes an indicator of the measure of focus as a function of focal distance. The camera may also include an indication of present focal position. The camera may also include an indication of present depth of field.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.