发明名称 RECORDING MEDIA PROVIDED WITH COPYRIGHT PROTECTIVE FUNCTION
摘要 PROBLEM TO BE SOLVED: To assure the free copying operation with a small restriction for the user by inhibiting the illegal copying in the digital recording media such as a CD, DVD, etc., and protecting the copyright in the manner of surely collecting the copyright using charge. SOLUTION: In this recording media, the CD or the disk having the same size as that of the CD which is specified by a Red Book Standard correcting the error according to CIRC by quantizing an audio signal and indexing the program searching of the music with sub-codes P, Q, is formed to 2-layer structure to record the dynamic picture with the compression of MPEG 2. When the signal is recorded, in this case, the recording is made by performing a specific scrambling, and a copy inhibiting code mark 2 symbolized by using a box figure code discriminating the type of scramble is printed at the position around the inner peripheral side 4 of the disk.
申请公布号 JPH09312039(A) 申请公布日期 1997.12.02
申请号 JP19960245425 申请日期 1996.08.29
申请人 NAGASHIO KICHINOSUKE 发明人 NAGASHIO KICHINOSUKE
分类号 G11B7/24;G06F21/24;G11B7/00;G11B7/004;G11B7/007;G11B20/00;G11B20/10;G11B20/18 主分类号 G11B7/24
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