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1. 发明公开

EP0569051A1 Lens shutter camera including a zoom lens system 失效
标题翻译： Zwischenlinsenverschlusscamera mit Zoomobjektiv。
公开(公告)号：EP0569051A1
公开(公告)日：1993-11-10
申请号：EP93110717.1
申请日：1987-05-12
申请人： ASAHI KOGAKU KOGYO KABUSHIKI KAISHA
发明人： Haraguchi, Keisuke , Kohmoto, Shinsuke , Kobayashi, Takeo , Kondoh, Shigeru , Ohkubo, Hideki , Numako, Norio , Sugawara, Saburo , Nakamura, Susao , Matsuo, Hirofumi , Nomura, Katsuhiko , Nishio, Etsuro , Ishii, Haruo
IPC分类号： G02B7/10 , G03B13/20 , G03B13/12
CPC分类号： G03B13/12 , G02B7/102 , G02B23/145 , G03B17/04 , G03B2215/0503 , G03B2217/002
摘要： A lens shutter type of camera is provided, having a photographing optical system (1) comprising a zoom lens system (L1, L2), a motor driven cam mechanism (14, 15, 16, 17, 18, 19, 20, 21) for moving the photographing optical system (1, L1, L2) in a zoom range (20d, 21b), thereby varing the focal length of said optical system (1, L1, L2) and for moving said optical system (1, L1, L2) to and from an accommodating position (20a, 20b, 21a) where lenses (L1, L2) of said photographing optical system (1) are in a position behind said zoom range (20e, 21b). In that camera a code plate (90) is provided with an area (Pos2 to PosA) for obtaining focal length information of said optical system (1) and with a detecting area (Pos1) for detecting a transient state (20b) from said zoom range (20d, 21b) to said accommodating position (20a, 21a). The driving of said cam mechanism (14, 15, 16, 17, 18, 19, 20, 21) cannot be stopped when said detecting area (Pos1) signalises a position of the optical system (1, L1, L2) in said transient state (20b, 21a).
摘要翻译：提供了一种镜头快门式相机，具有包括变焦透镜系统（L1，L2）的拍摄光学系统（1），电机驱动的凸轮机构（14,15,16,17,18,19,22,21）用于在变焦范围（20d，21b）中移动拍摄光学系统（1，L1，L2），从而使所述光学系统（1，L1，L2）的焦距变化，并使所述光学系统（1，L1， L2）到所述拍摄光学系统（1）的透镜（L1，L2）处于所述变焦范围（20e，21b）之后的位置的容纳位置（20a，20b，21a）。在该相机中，代码板（90）设置有用于获得所述光学系统（1）的焦距信息的区域（Pos2至PosA）以及用于从所述缩放检测瞬态状态（20b）的检测区域（Pos1）（20d，21b）到所述容纳位置（20a，21a）。当所述检测区域（Pos1）在所述瞬态信号中信号通知光学系统（1，L1，L2）的位置时，所述凸轮机构（14,15,16,17,18,19,20,21）的驱动不能停止状态（20b，21a）。

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