发明名称 |
Program type automatic exposure controller for use in cameras |
摘要 |
A program type automatic exposure controller produces a selection signal in each of the film sensitivity information regions in response to information for a film sensitivity in said each of regions and changes a program constant in the aperture controller by the selection signal so that an aperture control for opening and closing a shutter may be conducted by a photometry operation of light reflected by the film surface after an aperture operation is completed.
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申请公布号 |
US4512648(A) |
申请公布日期 |
1985.04.23 |
申请号 |
US19840577063 |
申请日期 |
1984.02.03 |
申请人 |
OLYMPUS OPTICAL CO., LTD. |
发明人 |
MIZOKAMI, KAZUNORI |
分类号 |
G03B9/07;G03B7/081;G03B7/087;G03B7/24;(IPC1-7):G03B7/08 |
主分类号 |
G03B9/07 |
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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