发明名称 |
Exposure correction factor setting device for a camera |
摘要 |
An exposure correction factor setting device is disclosed which includes an exposure correction factor setting dial, a brush connected to the dial and arranged to be operated when the film speed is manually adjusted, and a bias device connected to a variable resistor for manual adjustment of the film speed so as to apply to a film speed signal producing device for automatic adjustment of film speed a bias signal corresponding to the exposure correction factor set by the dial. It is thereby possible to utilize the exposure correction factor setting device in automatically setting a film speed by a film cassette as well as in manually setting the film speed.
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申请公布号 |
US4159168(A) |
申请公布日期 |
1979.06.26 |
申请号 |
US19770855480 |
申请日期 |
1977.11.29 |
申请人 |
CANON K K |
发明人 |
OHTAKI, SHOHEI;SUMI, AKIYASU;TSUNEKAWA, TOKUICHI |
分类号 |
G03B7/24;G03B7/00;G03B7/08;G03B7/16;G03B15/05;(IPC1-7):G03B7/00 |
主分类号 |
G03B7/24 |
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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