发明名称 |
AUTOMATIC FOCUSING DEVICE |
摘要 |
PURPOSE:To provide an excellent focusing state at all times with the simple an automatic focusing camera. CONSTITUTION:When configuration of an area specifying circuit sets a focus area 30 at an optional position in a finder 32, the read direction of a photoelectric converting element is determined according to the position of the focus area 30 and specific frequency components are extracted from the output signal of the photoelectric converting element in this order. |
申请公布号 |
JPH04316007(A) |
申请公布日期 |
1992.11.06 |
申请号 |
JP19910108215 |
申请日期 |
1991.04.15 |
申请人 |
OLYMPUS OPTICAL CO LTD |
发明人 |
KODAMA SHINICHI;GOTO HISASHI |
分类号 |
G02B7/36;G03B13/36;H04N5/232 |
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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