| 发明名称 |
Rear projection apparatus. |
| 摘要 |
<p>A rear projection apparatus for producing an optical image on a surface of a rear transmitting screen (11) in which a convex lens array (31) is formed on both surfaces of the screen, each convex lens (33a) formed on one surface of the screen (11) having a corresponding convex lens (33b) formed on the other surface of the screen (11) with a common optical axis (32), the focal point of each convex lens (33a) formed on one surface of the screen (11) being on the surface of the each convex lens (33b) formed on the to other surface of the screen (11).</p> |
| 申请公布号 |
EP0051977(A2) |
申请公布日期 |
1982.05.19 |
| 申请号 |
EP19810305241 |
申请日期 |
1981.11.04 |
| 申请人 |
TOKYO SHIBAURA DENKI KABUSHIKI KAISHA |
发明人 |
MORI, LEO;AOBA, TAKASHI;TOMINAGA, MAMORU |
| 分类号 |
G03B21/00;G03B21/62;H04N9/31;(IPC1-7):03B21/10;04N9/31;03B21/62 |
主分类号 |
G03B21/00 |
| 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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