发明名称 SHUTTER OPERATING APPARATUS FOR AN AUTOFOCUS CAMERA
摘要 In a camera system for use in a camera of the type having a lens, a lens shutter, and automatic focusing utilizing the light transmitted through the lens, a light-blocking device is provided ahead of the image plane to be photographed and moveable between blocking and non-blocking positions, and a control device is operable upon manual actuation of the camera to open the shutter and provide for automatic focus adjustment utilizing the light transmitted through the lens, the control device further being operable to move the light-blocking device to its blocking position when the shutter is opened to provide for automatic focus adjustment and to subsequently move the light-blocking device to its non-blocking position to provide for exposure operation of the shutter to expose the film in the camera.
申请公布号 GB2217863(B) 申请公布日期 1992.04.15
申请号 GB19890009004 申请日期 1989.04.20
申请人 * SEIKOSHA CO LTD 发明人 TADASHI * NAKAGAWA
分类号 G03B13/36;G02B7/28;G03B9/08;G03B9/10 主分类号 G03B13/36
代理机构 代理人
主权项
地址