发明名称 |
Focus detecting apparatus having photoelectric area sensors |
摘要 |
This invention relates to a focus detecting apparatus using an area sensor as an AF sensor, and particularly provides a focus detecting apparatus in which when any area in a scene is designated and the focus state in that area is to be detected, the output from an area on the sensor corresponding to the designated area of the scene is read and processed on the basis of the information of an area on the area sensor corresponding to the designated area of the scene pre-memorized In a memory circuit.
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申请公布号 |
US5428420(A) |
申请公布日期 |
1995.06.27 |
申请号 |
US19920936010 |
申请日期 |
1992.08.27 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
AKASHI, AKIRA;MIYAWAKI, MAMORU;SUZUKI, KENJI;NAKAYAMA, TOSHIKI |
分类号 |
G02B7/34;G02B7/36;(IPC1-7):G03B13/36 |
主分类号 |
G02B7/34 |
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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