发明名称 Movie copy protection
摘要 A method for frustrating piracy of a movie, the movie including a plurality of filmed frames, each of the filmed frames including an image, the method including editing the movie prior to projection such that different regions of the image of one of the filmed frames are in different frames so that the different regions will be projected at different times, and repeating the editing for other ones of the filmed frames. Related apparatus and methods are also described.
申请公布号 US7907248(B2) 申请公布日期 2011.03.15
申请号 US20060920900 申请日期 2006.07.12
申请人 NDS LIMITED 发明人 MOSHE KFIR;BENAILY GAVRIEL;TAIEB OR;SMITH PERRY;KIPNIS SHLOMO
分类号 G03B21/32 主分类号 G03B21/32
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