发明名称 Method for flexible and secure transmission of digital content to an end user device
摘要 <p>A method for flexible and secure transmission of digital content to an end user device comprises the steps of: (a) providing a control center (240) for controlling access to the digital content by the end user device (310); (b) transmitting scrambled digital content to a first end user device (310) by a second end user device (310), such that said second end user device cannot play back said scrambled digital content; (c) connecting said second end user device (310) to said control center (240); and (d) transmitting a permission message to said second end user device (310) by said control center (240), such that said second end user device is able to unscramble said scrambled digital content to form unscrambled digital content.</p>
申请公布号 EP1835743(B1) 申请公布日期 2011.09.21
申请号 EP20070013155 申请日期 2001.01.04
申请人 NDS LIMITED 发明人 SHEN-ORR, CHAIM D;HIBSHOOSH, ELI;EPSTEIN, STEVE;WALD, STEPHANIE;BELENKY, YAAKOV;SHAPIRO, YIGAL
分类号 H04N7/173;H04N;H04N7/16;H04N7/167 主分类号 H04N7/173
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