发明名称 TERMINAL EQUIPMENT AND ELECTRONIC MUSIC DISTRIBUTING SYSTEM
摘要 PROBLEM TO BE SOLVED: To solve the problem that it is impossible for a customer to purchase contents since the music name or performer's name of music contents broadcast on a television or a radio or contents flowing as a BGM in a city is not known. SOLUTION: A contents provider embeds a music name, a performer's name, and a music ID in contents as an electronic watermark, and a customer reads it by a watermark extracting means installed at terminal equipment.
申请公布号 JP2002091455(A) 申请公布日期 2002.03.27
申请号 JP20000283013 申请日期 2000.09.19
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 KATAYAMA DAIRO;OGAWA TOMOTERU;SERIKAWA MITSUHIKO
分类号 G10K15/02;G10L19/00;G10L19/018;G10L25/51;H04N7/173;H04N21/435;H04N21/439 主分类号 G10K15/02
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