发明名称 ENHANCED CONTRAST, MAXIMUM GAIN FRONT AND REAR PROJECTION SCREENS
摘要 A method of printing a translucent coating onto the film backing portion of front or rear projection screens to provide an economical and efficient process of obtaining sharper definition and maximized gain, both of which can be varied in form and substitutent content depending on the amount of ambient light present in the environment in which these screens will be used. Additionally, front and rear projection screens are disclosed which have enhanced optical contrast provided by unique patterns printed onto a film backing.
申请公布号 AU7888991(A) 申请公布日期 1992.08.17
申请号 AU19910078889 申请日期 1991.04.30
申请人 EUGENE MARTINEZ 发明人 EUGENE MARTINEZ
分类号 G03B21/56;G03B21/62 主分类号 G03B21/56
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