The dust cap for the speaker which includes the bamboo material which mixture ratio of the aforementioned bamboo material 5 weight above

摘要

PROBLEM TO BE SOLVED: To improve clarity by improving sound quality and improving a sound pressure level in a high tone range or the like, regarding a dust cap for the speaker used in an acoustic device, to provide the speaker, to provide an electronic device, and to provide an apparatus.;SOLUTION: By injection-molding a material in which at least polylactic acid resin and bamboo fibers are mixed to configure the dust cap 30 for the speaker, the rigidity of the dust cap is improved and the clarity of the speaker using the dust cap is improved by improving the sound quality and improving the sound pressure level in the high tone range or the like.;COPYRIGHT: (C)2010,JPO&INPIT