Lens barrel, camera, and mobile information terminal
US7855746B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 3, 2006 |
| Grant date | Dec 21, 2010 |
| Priority date | — |
| Expiry date | Jan 6, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/69
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A lens barrel including a plurality of lens groups; a plurality of lens retaining frames; a telescopic cylinder retained by a fixed base member and configured to retain a portion of the plurality of lens retaining frames inside of the telescopic cylinder; and a lens retaining frames driving device configured to drive the plurality of lens retaining frames. A portion of the lens retaining frames driving device for driving the lens-retracting frame which is one of the lens retaining frames is formed to project backwardly in a direction of an optical axis from a rear end surface of the fixed base member for retaining the telescopic cylinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.