Lens barrel
US7511900B2 · kind B2 · utility
7Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2007 |
| Grant date | Mar 31, 2009 |
| Priority date | — |
| Expiry date | Sep 24, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B17/04
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A lens barrel of the present invention is of a retractable type. After one frame is retreated from a photographing optical path, another frame moves in an optical axis direction to a position where the one frame has been disposed. The one frame is, for example, a lens frame, and the other frame is, for example, a shutter frame. The present invention can be understood as the invention of a method of switching the lens barrel to a stored state (a retracted state).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.