| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an electronic keyboard instrument improving operability of an operation key and securing smooth performance. SOLUTION: An integrated panel 4 is a parts integrally formed separately with a keyboard instrument main body 1, and is fitted to an upper case 3. The integrated panel 4 is formed to a shevron shape of a nearly triangular section, and one side front slope 4a slopes downward according to go forward the keyboard instrument main body 1, and whole switch groups 5 are arranged concentrically here. The other side back slope 4b slopes downward according to go backward to function as a score receiving part receiving a score.</p> |
