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 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
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