| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable even a baby or a child to repeatedly play while listening to a sound having a pitch in accordance with a certain position from a note marker, the sound being produced only by properly sticking the note marker to a notation marker of a staff notation by himself/herself, and to obtain a sense of absolute pitch while playing alone without needing any parent assistance or music teacher. <P>SOLUTION: A musical note-shaped marker including a sound production means and a position detection switch is stuck to notation markers 220 to 242 indicating positions among lines of a staff notation and among intervals. Thus, the notation marker 100 itself produces a sound without using any electric contact such as a metal electrode. <P>COPYRIGHT: (C)2011,JPO&INPIT |
