Digital camera viewfinder and method of using same
US6374054B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 31, 2000 |
| Grant date | Apr 16, 2002 |
| Priority date | — |
| Expiry date | Oct 31, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/651
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A digital camera includes a viewfinder having a proximity sensor which is activated whenever a user looks through the viewfinder in preparation of viewing an object or framed scene. An illuminated status indicator mounted for viewing within the viewfinder for providing the user when camera status information is coupled to the proximity sensor through a microprocessor that controls the illumination level of the status indicator. The illumination level of the status indicator is controlled by the microprocessor in response to an auto-exposure algorithm that measures the brightness level of the object or framed scene that is being viewed by the user through the viewfinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.