发明申请
- 专利标题: FUNDUS CAMERA
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申请号: US12774547申请日: 2010-05-05
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公开(公告)号: US20100283970A1公开(公告)日: 2010-11-11
- 发明人: Kyoji Sekiguchi , Shigeaki Ono , Masao Shikaumi , Motoya Takai , Toshifumi Masaki
- 申请人: Kyoji Sekiguchi , Shigeaki Ono , Masao Shikaumi , Motoya Takai , Toshifumi Masaki
- 申请人地址: JP Tokyo
- 专利权人: CANON KABUSHIKI KAISHA
- 当前专利权人: CANON KABUSHIKI KAISHA
- 当前专利权人地址: JP Tokyo
- 优先权: JP2009-113451 20090508
- 主分类号: A61B3/14
- IPC分类号: A61B3/14
摘要:
A fundus camera includes an observation photographing unit having a focusing lens to perform focusing of an imaging unit on a fundus of a subject's eye, a lens driving unit configured to drive the focusing lens in an optical axis direction, and a focusing control unit configured to calculate a focusing evaluation value based on image information of a predetermined area of a fundus image captured by the observation photographing unit, and drive the focusing lens based on the focusing evaluation value, thereby performing focusing, wherein the focusing control unit moves the focusing lens from a previous photographing position of the focusing lens by a predetermined moving amount, and then performs the focusing.
公开/授权文献
- US08007104B2 Fundus camera 公开/授权日:2011-08-30
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