发明名称 |
Automatic focusing device |
摘要 |
An automatic focusing device for a camera is disclosed. The automatic focusing device has focus detection means for detecting defocus amount of the image, object movement detection means for detecting movement of the object based on defocus data detected by the focus detection means and correction means for correcting the detected defocus amount according to the detected movement of the object. The objective lens of the camera is driven according to the corrected defocus amount for focus adjustment.
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申请公布号 |
US4860045(A) |
申请公布日期 |
1989.08.22 |
申请号 |
US19870083819 |
申请日期 |
1987.08.10 |
申请人 |
MINOLTA CAMERA KABUSHIKI KAISHA |
发明人 |
HAMADA, MASATAKA;ISHIDA, TOKUJI |
分类号 |
G02B7/36 |
主分类号 |
G02B7/36 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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