发明授权
- 专利标题: Automatic focusing apparatus for use in video camera and the like
- 专利标题(中): 用于摄像机等的自动对焦装置
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申请号: US151963申请日: 1988-02-03
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公开(公告)号: US4842387A公开(公告)日: 1989-06-27
- 发明人: Toshio Murakami , Takashi Azumi , Hiroshi Sakurai , Takesuke Maruyama , Yoshihiro Todaka
- 申请人: Toshio Murakami , Takashi Azumi , Hiroshi Sakurai , Takesuke Maruyama , Yoshihiro Todaka
- 申请人地址: JPX both of JPX both of
- 专利权人: Hitachi, Ltd.,Hitachi Video Engineering Incorp.
- 当前专利权人: Hitachi, Ltd.,Hitachi Video Engineering Incorp.
- 当前专利权人地址: JPX both of JPX both of
- 优先权: JPX62-24586 19870206; JPX62-323945 19871223
- 主分类号: G02B7/36
- IPC分类号: G02B7/36
摘要:
An automatic focusing apparatus for use in a video camera and the like wherein one optical element other than a focusing lens means of an optical system is moved for focusing in the in-focus direction while being vibrated slightly by means of a motor capable of being driven by pulses.
公开/授权文献
- US5345627A Towel with releasably attached pillow 公开/授权日:1994-09-13
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