| 发明名称 |
Exposure control device in a camera |
| 摘要 |
A method and apparatus for automatic iris control of cameras having an exposure value indicator located within the camera's viewfinder. The indicator emits light such that a photosensor when moving over the indicator face, senses the light and through associated circuitry and mechanisms stops the movement of an adjusting iris.
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| 申请公布号 |
US3996593(A) |
申请公布日期 |
1976.12.07 |
| 申请号 |
US19750618598 |
申请日期 |
1975.10.01 |
| 申请人 |
ASAHI KOGAKU KOGYO KABUSHIKA KAISHA |
发明人 |
UNO, NAOYUKI;SHONO, TETSUJI;URANO, FUMIO;KAWASAKI, MASAHIRO |
| 分类号 |
G03B7/085;G03B17/18;(IPC1-7):G03B7/12;G03B17/20 |
主分类号 |
G03B7/085 |
| 代理机构 |
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代理人 |
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