Karaoke apparatus, content reproducing apparatus, method of...

Music – Instruments – Electrical musical tone generation

Reexamination Certificate

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C434S30700R, C705S071000

Reexamination Certificate

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07141733

ABSTRACT:
Music piece data of so-called managed music pieces, each of which requires allowance of performance for each karaoke apparatus are stored in a hard disk in the same manner as music piece data of other karaoke music pieces. A ROM (20), which has stored therein key data for allowing performance of a managed music piece, is produced for each of the managed music pieces and for each of karaoke apparatuses. Performance of a managed music piece is allowed by setting a corresponding ROM (20) into a karaoke apparatus. Accordingly, a karaoke apparatus is not required to have a medium such as a CD-ROM for each of managed music pieces, and the copyright holder of a managed music piece can physically manage the number of allowed performances by way of the ROM (20).

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patent: 2002/0087870 (2002-07-01), Rick

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