发明名称 |
Exposure control device for camera |
摘要 |
<p>The present invention relates to an exposure control device employed in an electronically controlled camera having a zoom lens and at least a strobe exposure mode and a non-strobe exposure mode. The device has a means for changing over between the non-strobe exposure mode and the strobe exposure mode at a predetermined threshold value of brightness of an object to be photographed. The predetermined threshold value for change-over between said non-strobe exposure mode and said strobe exposure mode is adjusted in accordance with a focal length of the zoom lens. <IMAGE></p> |
申请公布号 |
GB2274173(B) |
申请公布日期 |
1994.09.28 |
申请号 |
GB19940002974 |
申请日期 |
1994.02.15 |
申请人 |
* ASAHI KOGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
TAKEO * KOBAYASHI;YASUSHI * TABATA;NORIO * NUMAKO;KATSUTOSHI * NAGAI |
分类号 |
G03B7/08;G03B7/16;G03B7/20;(IPC1-7):G03B15/05 |
主分类号 |
G03B7/08 |
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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