| 发明名称 |
Projection type image display device |
| 摘要 |
<p>Both ends of a transparent cover which is formed of a curved member are fitted to a lens guard and a mirror guard, and a free-shaped surface mirror and a free-shaped surface lens are housed in a sealed space defined within a projection type image display device.</p> |
| 申请公布号 |
EP1865374(B1) |
申请公布日期 |
2010.12.15 |
| 申请号 |
EP20070251714 |
申请日期 |
2007.04.24 |
| 申请人 |
HITACHI, LTD. |
发明人 |
IMAFUKU, DAISUKE;HISADA, TAKANORI;YOSHIKAWA, HIROKI |
| 分类号 |
G03B21/10;G02B27/18;G03B21/14;G03B21/28;H04N5/74;H04N9/31 |
主分类号 |
G03B21/10 |
| 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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