发明名称 RECORDING MEDIUM, RECORDING METHOD, RECORDING APPARATUS, AND REPRODUCTION METHOD
摘要 <p>A recording medium, comprising a lead-in area, a data recording area that is formed on an outer periphery side of the lead-in area and in which a plurality of pieces of content data is recorded, and a lead-out area formed on an outer periphery side of the data recording area, wherein first copyright management information and second copyright management information with which copyrights of the plurality of pieces of content data are managed are recorded at different positions whose secrecies are different from each other. <IMAGE></p>
申请公布号 EP1457983(A1) 申请公布日期 2004.09.15
申请号 EP20020790809 申请日期 2002.12.19
申请人 SONY CORPORATION 发明人 SAKO, YOICHIRO;FURUKAWA, SHUNSUKE;INOKUCHI, TATSUYA
分类号 G06F12/14;G06F21/10;G06F21/62;G11B7/007;G11B20/00;G11B20/10;G11B20/12;G11B23/28;G11B27/00;G11B27/02;G11B27/034;H04N5/85;H04N5/91;(IPC1-7):G11B20/10 主分类号 G06F12/14
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