| 摘要 |
PROBLEM TO BE SOLVED: To provide a music box device capable of playing an arbitrary music piece, even if a rotation member such as a cylinder or a disk is not changed. SOLUTION: The music box device 10 includes: a diaphragm 54 including a plurality of vibration valve 56; a rachet mechanism 52 for picking the vibration valve 56 included in the diaphragm 54; a receiving means for receiving performance information; a control means for controlling that the performance information received by the receiving means is converted to a driving signal; and a drive section 50 for driving the ratchet mechanism 52 based on the drive signal converted by the control means. The receiving means and the control means are attained by a control program 100 implemented on the music box 10. COPYRIGHT: (C)2009,JPO&INPIT
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