| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To allow the relationships between the pitch and duration of tones through a play etc., to be visually recognized and to make a toy helpful for the intellectual education of music. <P>SOLUTION: The overall length of each pronunciation toy BL is set according to the pronunciation pitch of a corresponding pronunciation board 10. When the pronunciation toy BL 5 and the pronunciation toy BL 6 are combined, the sum of their overall lengths is "196 mm". Similarly, when the pronunciation toys BL 4, BL 3, BL 2 and BL 1 and the pronunciation toys BL 7, BL 8, BL 9, and BL 10 are combined, the sums of their overall lengths of the respective combinations are all "196 mm". All the pronunciation toys BL can be orderly housed into a housing case 1 when the pronunciation toys BL are arrayed in such a manner that their longitudinal directions abut the side SL of the housing case 1. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
