Lens barrier apparatus and image pickup apparatus having the same
US7390132B2 · kind B2 · utility
2Cited by
0References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2007 |
| Grant date | Jun 24, 2008 |
| Priority date | — |
| Expiry date | Mar 7, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/55
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A lens barrier apparatus includes: swingable sectors opening and closing an opening, a swinging member swinging the sectors; and a drive portion driving the swinging member, and one ends of bias members biasing the sectors in a closing direction are provided at the sectors, the other ends of the bias members are provided at the swinging member, and when the sectors are at a closed position closing the opening, the swinging member is driven in the closing direction of the sectors against biasing forces of the bias members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.