发明名称 METHOD FOR PROTECTING CONTENT STORED ON AN INFORMATION CARRIER
摘要 The invention relates to a method for protecting content stored on an information carrier. In order to avoid that a user illegally circumvents a copy protection mechanism such as a watermark protecting said content to get an illegal access to said content, a method comprising the following steps is proposed: - reading a unique identifier present on said information carrier, - storing in a first memory information relating to illegal access actions on said information carrier using said identifier, - refusing access to said information carrier after a predetermined number of illegal access actions.
申请公布号 WO03005358(A1) 申请公布日期 2003.01.16
申请号 WO2002IB02754 申请日期 2002.07.03
申请人 KONINKLIJKE PHILIPS ELECTRONICS N.V.;BRONDIJK, ROBERT, A.;MAES, MAURICE, J., J., J-B. 发明人 BRONDIJK, ROBERT, A.;MAES, MAURICE, J., J., J-B.
分类号 G06F21/24;G06F1/00;G06T1/00;G11B19/04;G11B19/12;G11B20/00;G11B20/10;H04N1/32;H04N1/387;H04N5/85;H04N5/91;H04N5/913 主分类号 G06F21/24
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