Focusing hood for use on a digital camera
US6687460B2 · kind B2 · utility
4Cited by
8References
20Claims
0Family size
Inventor
Key dates
| Filing date | Dec 4, 2001 |
| Grant date | Feb 3, 2004 |
| Priority date | — |
| Expiry date | Dec 4, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/55
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A telescopically extendible focusing hood which improves the viewing of the LCD screen of a digital camera in bright surrounding light. The focusing hood can be fixed to the rear wall of the camera, surrounding the LCD screen. The focusing hood preferably has an anti-reflection-coated enlarging lens or glass disk which covers the entire cross-section of the focusing hood in parallel to the fixing plane. In its extended state, the focusing hood can be used with a single lens in the manner of a 35 mm camera finder. When the enlarging lens is pushed in, the focusing hood can be used with two lenses for assessing the image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.