发明名称 TRANSMISSION-TYPE SCREEN AND VIDEO PROJECTION TELEVISION
摘要 TITLE OF THE INVENTION TRANSMISSION-TYPE SCREEN AND VIDEO PROJECTION TELEVISION 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 conductive 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.
申请公布号 CA2046101(C) 申请公布日期 1994.10.25
申请号 CA19912046101 申请日期 1991.07.03
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;(IPC1-7):G03B21/62;H04N9/31 主分类号 G02B3/00
代理机构 代理人
主权项
地址
您可能感兴趣的专利