发明名称 Reflected display system for text of audiovisual performances
摘要 A system and apparatus for selectively delivering auxiliary text to viewers of a primary audiovisual performance by presenting the horizontally reversed text in an illuminated display and providing selected viewers with a reflector adjustable to place the reflected image in the field of view of the primary image.
申请公布号 US5570944(A) 申请公布日期 1996.11.05
申请号 US19940242225 申请日期 1994.05.13
申请人 WGBH EDUCATIONAL FOUNDATION 发明人 SEDER, RUFUS B.;GOLDBERG, LARRY
分类号 G02B27/00;G02B27/01;G03B21/26;G09B21/00;H04N5/445;H04N5/74;(IPC1-7):G03B21/28 主分类号 G02B27/00
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