发明名称 |
Transmission-type screen for a projection television device. |
摘要 |
<p>A transmission-type video projection television system employs a transmission-type screen for displaying an image projected from a rear projector for visual observation by an observer in front of the screen. The transmission-type screen has Fresnel and lenticular lenses, one of which has an electrically conductlve layer or a metal member on its surface to prevent the lens from being electrostatically charged, so that dust or dirt particles will not be attracted to the screen. <IMAGE></p> |
申请公布号 |
EP0469313(A2) |
申请公布日期 |
1992.02.05 |
申请号 |
EP19910110937 |
申请日期 |
1991.07.02 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
MITANI, KATSUAKI;MATSUMURA, TOSHIAKI;YASUMATSUYA, NOBORU |
分类号 |
G02B3/00;G02B3/06;G02B3/08;G03B21/62 |
主分类号 |
G02B3/00 |
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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