发明授权
US5673149A Optical apparatus having a function of preventing image blur or shake
and having lens barrels of different diameters
失效
具有防止图像模糊或抖动并具有不同直径的透镜筒的功能的光学装置
- 专利标题： Optical apparatus having a function of preventing image blur or shake and having lens barrels of different diameters
- 专利标题（中）： 具有防止图像模糊或抖动并具有不同直径的透镜筒的功能的光学装置
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申请号： US350099申请日： 1994-11-29
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公开(公告)号： US5673149A公开(公告)日： 1997-09-30
- 发明人: Tadanori Okada
- 申请人： Tadanori Okada
- 申请人地址： JPX Tokyo
- 专利权人： Canon Kabushiki Kaisha
- 当前专利权人： Canon Kabushiki Kaisha
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX5-301739 19931201
- 主分类号： G01M11/00
- IPC分类号： G01M11/00 ; G02B5/00 ; G02B7/04 ; G02B27/64 ; G03B5/00 ; G02B7/02
摘要：
An optical apparatus having a first lens barrel member, a second lens barrel member having a larger diameter than a diameter of said first lens barrel member, an optical unit held by the second lens barrel member, and an image shake prevention optical device for preventing the image shake. The image shake prevention optical device is fixedly held on at least one of the first and second lens barrel members between the optical unit and the first lens barrel member, and at least at a stepped portion formed by the first and second lens barrel members formed due to the difference between the diameters of the same. In this apparatus, a space formed along the second lens barrel member having a larger diameter can be efficiently utilized to arrange the image shake prevention optical device.