| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a musical instrument with a light emitting function of simple constitution that can be made to illuminate without worrying that the battery runs down or a switch is forgetfully left ON, is environment-friendly, and emphasizes visual operation effect. <P>SOLUTION: An embodiment of the patent described in the claim 1 is equipped with a grippable container with a movement passage, a moving body stored movably in the movement passage, an electromotive force generating means of generating an electromotive force by a collision of the moving body, and a light emission member which is arranged on the external surface of the grippable container and emits light with the electromotive force generated by the electromotive force generating member. <P>COPYRIGHT: (C)2004,JPO |
