发明名称 Data recording medium and apparatus with copy permission information
摘要 <p>Copying, dubbing or reproducing copyrighted digital data can be inhibited or restricted to properly protect a copyright. AV data recorded on a pre-recorded tape is output from a reproducing unit of a first digital VCR with protective information indicating whether the copy of the AV data is inhibited or not. The protective information is input with the A/V data to a second digital VCR. Copy permission information of a blank tape loaded in the second digital VCR is discriminated and the second digital VCR records the AV data supplied from the first digital VCR based on the protective information and the copy permission information.</p>
申请公布号 EP1329887(A3) 申请公布日期 2007.03.28
申请号 EP20030075984 申请日期 1995.12.20
申请人 SONY CORPORATION 发明人 SUGIYAMA, KOICHI;SAKAMOTO, ETSUROU
分类号 G11B20/00;G11B20/10;G06F21/24;G11B15/02;G11B19/00;G11B20/12;G11B21/10;G11B27/02;G11B27/032;G11B27/10;G11B27/11;H04N5/76;H04N5/765;H04N5/913;H04N21/235;H04N21/254;H04N21/41;H04N21/432;H04N21/433;H04N21/435;H04N21/436;H04N21/4627;H04N21/835;H04N21/8355 主分类号 G11B20/00
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