发明授权
US08284289B2 Lens barrel, camera and mobile information terminal device having the same
失效
镜筒，相机和具有相同功能的移动信息终端设备
- 专利标题： Lens barrel, camera and mobile information terminal device having the same
- 专利标题（中）： 镜筒，相机和具有相同功能的移动信息终端设备
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申请号： US12970012申请日： 2010-12-16
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公开(公告)号： US08284289B2公开(公告)日： 2012-10-09
- 发明人: Tetsuya Iwasaki
- 申请人： Tetsuya Iwasaki
- 申请人地址： JP Tokyo
- 专利权人： Ricoh Company, Ltd.
- 当前专利权人： Ricoh Company, Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2005-062154 20050307
- 主分类号： G02B13/16
- IPC分类号： G02B13/16 ; G02B7/02 ; H04N5/225 ; G03B5/02
摘要：
At least one object of the present invention is to provide a lens barrel, including: a fixed frame (21) having a fixed cylinder (21); a telescopic cylinder (22, 23, 24, etc.) configured to be accommodated within the fixed cylinder (21); a plurality of lens groups (11, 12) configured to be retained in the telescopic cylinder; a lens driving device (51, 52, etc.) configured to drive the plurality of lens groups along a optical axis of the telescopic cylinder between a collapsed position and an extended position; and two retractable lens groups (13, 14) configured to be retracted into the telescopic cylinder when the telescopic cylinder is in the extended position and configured to be retracted out of the telescopic cylinder when the telescopic cylinder is in the collapsed position.
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