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发明名称
Photographic apparatus
摘要
A camera and flash exposure control apparatus varies the ratio of ambient to fill-in flash exposure light as a function of the size of the camera's exposure aperture.
申请公布号
US4291959(A)
申请公布日期
1981.09.29
申请号
US19800209349
申请日期
1980.11.21
申请人
EASTMAN KODAK COMPANY
发明人
EASTERLY, DONALD O.
分类号
G03B7/28;G03B7/00;G03B7/16;G03B15/03;(IPC1-7):G03B7/08;G03B7/08;G03B7/18;G03B15/05
主分类号
G03B7/28
代理机构
代理人
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地址
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