发明授权
- 专利标题: Fundus camera
- 专利标题(中): 眼底相机
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申请号: US09940582申请日: 2001-08-29
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公开(公告)号: US06968127B2公开(公告)日: 2005-11-22
- 发明人: Tsuguo Nanjyo
- 申请人: Tsuguo Nanjyo
- 申请人地址: JP
- 专利权人: Nidek Co., Ltd.
- 当前专利权人: Nidek Co., Ltd.
- 当前专利权人地址: JP
- 代理机构: Rader, Fishman & Grauer PLLC
- 优先权: JP2000-268428 20000831
- 主分类号: A61B3/14
- IPC分类号: A61B3/14 ; A61B3/12 ; A61B3/15 ; G03B29/00
摘要:
A fundus camera being capable of moving a fixation target surely and precisely to a position intended for photographing with an adequate degree of freedom for moving the fixation target. The fundus camera is provided with an observation optical system having an objective lens and a photographing element for photographing a fundus illuminated with illumination light, a monitor on which an image of the photographed fundus is displayed, a fixation-target presenting optical system for presenting a fixation target via the objective lens, a fixation-target moving unit by which a position to present the fixation target is shifted to a desired position, a first display-control unit by which the position of the fixation target is superposed on the fundus image to be displayed on the monitor, and a second display-control unit by which a guide target for moving the fixation target is displayed in a predetermined position on the monitor.
公开/授权文献
- US20020025145A1 Fundus camera 公开/授权日:2002-02-28
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