| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electronic apparatus for musical instruments, facilitating tightening of cases at the replacement of a power supply (battery) for an electronic circuit. <P>SOLUTION: A case 2 on the apparatus operation side for musical instrument has a removable holding rod 4, which holds operation attitude and acts on the engagement of a rear side opening / closing case 9 for battery replacement so as to facilitate the opening / closing of the cases and battery replacement. <P>COPYRIGHT: (C)2004,JPO |
