发明名称 |
AUTOMATISCHE FOKUSSIEREINRICHTUNG UND AUTOMATISCHE BELICHTUNGSSTEUERUNGSEINRICHTUNG |
摘要 |
<p>An automatic focusing device which comprises a defocus amount detecting unit for detecting a defocus amount attributable to a first optical system of an interchangeable lens assembly and a second optical system of an AF convertor, a converting circuit for converting the defocus amount into a data corresponding to a focusing amount of the second optical system which varies in non-linear relationship to the defocus amount, and an optical drive unit for moving the second optical system on the basis of a data representative of the focusing amount supplied from the converting circuit.</p> |
申请公布号 |
DE3626429(A1) |
申请公布日期 |
1987.02.12 |
申请号 |
DE19863626429 |
申请日期 |
1986.08.05 |
申请人 |
MINOLTA CAMERA K.K. |
发明人 |
NAKAMURA,AKIYOSHI;ANDO,MAKOTO;OGINO,SHUJI;TANIGUCHI,NOBUYUKI |
分类号 |
G02B7/36;G03B7/091;(IPC1-7):G02B7/11;G02B7/10;G03B7/08;G03B3/10;G03B3/00 |
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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