发明名称
摘要 In automatic focusing device for a camera in which the photographing lens of the camera is automatically focused on a closest object within the photographing field. An array of light detecting elements receives light reflected from a light emitting section by various objects within the photographing field. A logic circuit detects the output from the detector which represents the closest object in the field and positions the photographing lens of the camera accordingly.
申请公布号 JPH0411844(B2) 申请公布日期 1992.03.02
申请号 JP19830005333 申请日期 1983.01.18
申请人 ASAHI OPTICAL CO LTD 发明人 SUGAWARA SABURO
分类号 G03B13/36;G01S17/46;G02B7/32 主分类号 G03B13/36
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