发明名称 |
Scene brightness measuring system |
摘要 |
A number of light receiving elements are used for measuring the brightness Bi of a number of parts of the scene and the maximum brightness Bmax and the minimum brightness Bmin are detected among the measured brightness values. Then, the scene brightness B is calculated by use of a formula: <IMAGE>
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申请公布号 |
US4395099(A) |
申请公布日期 |
1983.07.26 |
申请号 |
US19810260410 |
申请日期 |
1981.05.04 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
TERASITA, TAKAAKI |
分类号 |
G01J1/44;G03B7/091;(IPC1-7):G03B7/09;G03B7/09 |
主分类号 |
G01J1/44 |
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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