发明名称 Camera
摘要 A camera can reduce the size of the camera. The camera comprises a lens barrel which allows the focal length of an image-taking optical system to be changed, a view finder unit for observing an object image, a cam member having a cam for driving the view finder unit, which moves around the lens barrel in a first area and a barrel driving mechanism which is arranged around the lens barrel in a second area and drives the lens barrel.
申请公布号 US6973261(B2) 申请公布日期 2005.12.06
申请号 US20040777255 申请日期 2004.02.12
申请人 CANON KABUSHIKI KAISHA 发明人 NAGAE RYUICHI
分类号 G03B13/12;G02B7/04;G02B7/08;G03B17/00;(IPC1-7):G03B13/10 主分类号 G03B13/12
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