| 发明名称 |
ELECTROPHOTOGRAPHIC EXPOSING DEVICE |
| 摘要 |
PURPOSE:To easily control exposure amount according to change of the illumination intensity of a projection surface due to change of magnification, by using each projection slit for exclusive use corresponding to each magnification in a variable copy magnification type. |
| 申请公布号 |
JPS52152231(A) |
申请公布日期 |
1977.12.17 |
| 申请号 |
JP19760068980 |
申请日期 |
1976.06.12 |
| 申请人 |
TOKYO SHIBAURA ELECTRIC CO |
发明人 |
TAMAGAWA FUMIO |
| 分类号 |
G03B27/34;G03B27/32;G03B27/50;G03G15/04;G03G15/041 |
主分类号 |
G03B27/34 |
| 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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