发明名称 |
COPYING PREVENTING METHOD OF ENCODED INFORMATION |
摘要 |
PROBLEM TO BE SOLVED: To make the convenience for a user and the protection of copyright compatible when copying digital signals. SOLUTION: A high quality digital signal A/D converted into 24 bits is D/A converted by a D/A converter 45 and its analog signal is outputted through an output terminal 55. Copyright data about the data of the high quality digital signal are added to the high quality digital signal and outputted through a digital output terminal 90. COPYRIGHT: (C)2004,JPO |
申请公布号 |
JP2004164845(A) |
申请公布日期 |
2004.06.10 |
申请号 |
JP20030432169 |
申请日期 |
2003.12.26 |
申请人 |
VICTOR CO OF JAPAN LTD |
发明人 |
TANAKA YOSHIAKI;UENO SHOJI;FUCHIGAMI NORIHIKO |
分类号 |
G11B20/10;G11B20/12;H03M1/12;H03M3/02;(IPC1-7):G11B20/10 |
主分类号 |
G11B20/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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