发明名称
摘要 PROBLEM TO BE SOLVED: To conserve copyright in an appropriate manner, when reproducing digital data. SOLUTION: AV (audio visual) data recorded in a loaded a soft tape and protection information, that quantifies whether the reproduction of the AV data is inhibited are output to a control part 5 from the record reproduction part 3 of a digital VCR (digital video cassette recorder) 1 and from a protection information readout part 4, respectively. Data output from the control part 5 is input to the control part 6 of a digital VCR 2 via a cable. These data are provided to a record reproduction part 8. Moreover, the reproduction permission information of a tape loaded in the digital VCR 2 is readout by a reproduction permission information read part 7. The digital VCR 2 records the AV data provided from the digital VCR 1, based on the protection information and reproduction permission information. COPYRIGHT: (C)2004,JPO
申请公布号 JP3649240(B2) 申请公布日期 2005.05.18
申请号 JP20030389278 申请日期 2003.11.19
申请人 发明人
分类号 H04N5/91;G06F21/24;G11B20/10;(IPC1-7):G11B20/10 主分类号 H04N5/91
代理机构 代理人
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