| 发明名称 |
ELECTRIC EXPOSURE METER |
| 摘要 |
An electric exposure meter for storing the brightness of a photographic object as an electric voltage of a magnitude corresponding thereto in order to control the exposure time by using the voltage thus stored.
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| 申请公布号 |
US3652168(A) |
申请公布日期 |
1972.03.28 |
| 申请号 |
USD3652168 |
申请日期 |
1970.06.16 |
| 申请人 |
MINOLTA CAMERA KK. |
发明人 |
AKIO YANAGI;SHOICHIRO KAKUTA |
| 分类号 |
G03B7/083;(IPC1-7):G01J1/46;G01J1/44 |
主分类号 |
G03B7/083 |
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