发明名称 FUNDUS CAMERA
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.
申请公布号 US2010283970(A1) 申请公布日期 2010.11.11
申请号 US20100774547 申请日期 2010.05.05
申请人 CANON KABUSHIKI KAISHA 发明人 SEKIGUCHI KYOJI;ONO SHIGEAKI;SHIKAUMI MASAO;TAKAI MOTOYA;MASAKI TOSHIFUMI
分类号 A61B3/14 主分类号 A61B3/14
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