发明名称 DIGITAL INFORMATION RECORDING APPARATUS, PLAYBACK DEVICE, OUTPUT DEVICE, AND TRANSMISSION DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To prevent information limited in copying from remaining on a medium for a long time by repeating temporary recording and to prevent the information from being copied on allowable number of recording media or more. Ž<P>SOLUTION: When copy control information indicates permission of temporary recording having specific time limit, control information indicating to inhibit temporary recording is added and recorded on the recording medium. Besides, when copying the information limited in copying, a recording device and the number of recording media are detected and the information is recorded on only the allowable number of media or less. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
申请公布号 JP2010003404(A) 申请公布日期 2010.01.07
申请号 JP20090184000 申请日期 2009.08.07
申请人 HITACHI LTD 发明人 OKAMOTO HIROO;OWASHI HITOAKI;YOSHIOKA ATSUSHI;OTSUKA SHINKO;TAGO SHUICHI
分类号 G11B20/10;H04N5/765;H04N5/91 主分类号 G11B20/10
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