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.
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申请公布号 |
EP2299320(A3) |
申请公布日期 |
2011.05.04 |
申请号 |
EP20100013519 |
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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