发明名称 |
Projection image display device |
摘要 |
<p>The present invention provides a projection image display device capable of both minimizing a decrease in a cooling ability and simplifying maintenance of a filter. The projection image display device according to the present invention includes a filter material for filtering external air taken into a casing, a loop-shaped filter frame onto which the filter material is mounted, a drive mechanism for rotating the filter frame in a loop direction of the loop shape, and a dust removal brush to be brought into contact with the filter material while spinning at a predetermined position. The filter material is mounted onto a part of a loop-shaped surface of the filter frame. The filter material is not mounted but a ventilation part is provided in the other part of the loop-shaped surface of the filter frame.</p> |
申请公布号 |
EP2363747(B1) |
申请公布日期 |
2013.11.27 |
申请号 |
EP20110000721 |
申请日期 |
2011.01.28 |
申请人 |
MITSUBISHI ELECTRIC CORPORATION |
发明人 |
UOZAKI, SATOSHI;IWAI, TOSHIMITSU |
分类号 |
G03B21/16 |
主分类号 |
G03B21/16 |
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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