| 摘要 |
<P>PROBLEM TO BE SOLVED: To visually grasp the position on a keyboard a note of a musical score corresponding to an arbitrary key. <P>SOLUTION: The display device shows correspondence between the keyboards of a keyboard instrument and the notes of a musical score. The display device a mark for showing the keyboard position corresponding to a note on the five lines of the musical score or at a position therebetween corresponding to a desired note for enabling visual distinction of the notes on the lines and the notes between the lines. The musical score may be a great staff. A mark showing the position of the keyboard corresponding to a note on an added line in the center of the great staff may be distinguished visually from a note on the lines or between the lines of the musical score. A panel 12 may be an electric or electronic panel using a display including a light or a liquid crystal member for changing over a desired tonality symbol by operation of a switching button. <P>COPYRIGHT: (C)2010,JPO&INPIT |
