发明名称 Recording medium having digital copy management data recorded therein, and recording apparatus and reproducing apparatus in which reproduction or recording operation is controlled on the basis of the digital copy management data
摘要 A system wherein management data for managing allowance or unallowance (i.e., prohibition) of copies on a recording medium are recorded, and a time restriction condition, an area limiting condition, a condition for restricting a copy mode, etc. are managed on the basis of the recorded copy management data. When data are copied to different recording media, the copy management data are recorded together with the main data, thereby restricting the reproducing operation of the main data.
申请公布号 US6034832(A) 申请公布日期 2000.03.07
申请号 US19970871955 申请日期 1997.06.10
申请人 SONY CORPORATION 发明人 ICHIMURA, GEN;SUZUKI, TADAO
分类号 G11B20/10;G06F1/00;G06F12/14;G06F21/00;G06F21/24;G11B20/00;G11B23/36;G11B27/034;(IPC1-7):G11B15/04;H04N5/91;H04L9/00 主分类号 G11B20/10
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