发明名称 |
Weighting of the scene light signal during the shutter opening operation |
摘要 |
A system is disclosed for automatically controlling the shutter in a camera in accordance with ambient scene light level. While the shutter is opening, incident light is weighted at only one-half the value at which it is weighted after the shutter has been fully opened. A switchable voltage divider is utilized to accomplish the weighting function in accordance with shutter blade position.
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申请公布号 |
US4313656(A) |
申请公布日期 |
1982.02.02 |
申请号 |
US19800154301 |
申请日期 |
1980.05.29 |
申请人 |
AGFA-GEVAERT AG |
发明人 |
BOROWSKI, KURT;WAGENSONNER, EDUARD |
分类号 |
G03B7/087;G03B7/083;G03B7/097;G03B17/18;(IPC1-7):G03B7/08 |
主分类号 |
G03B7/087 |
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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