公开(公告)号：US20120222541A1

公开(公告)日：2012-09-06

申请号：US13410622

申请日：2012-03-02

申请人： Fusako ISHIMURA ,  Takashi KATO ,  Rento TANASE ,  Keiichi FUKATSU

发明人： Fusako ISHIMURA ,  Takashi KATO ,  Rento TANASE ,  Keiichi FUKATSU

IPC分类号： G10H1/32 ,  H04R1/20

CPC分类号： G10H1/32 ,  H04R1/028

摘要： An electronic keyboard musical instrument, including: a keyboard; a musical-sound signal generating circuit; at least one speaker for emitting sound in accordance with a generated signal; a speaker accommodating body accommodating the speaker in its inner space; and at least one resonator disposed in the accommodating body, wherein the accommodating body includes a sound emission path by which the sound emitted by the speaker is introduced to an exterior of the accommodating body via the inner space for sound propagation to the exterior, a control point of the resonator is located at a position corresponding to an antinode of a sound pressure in a natural vibration mode at a specific frequency generated in the inner space by driving of the speaker, and the resonator resonates at the specific frequency for adjusting the sound pressure, whereby the sound is emitted from the sound emission path to the exterior.

摘要翻译： 电子键盘乐器，包括：键盘; 音乐声音信号发生电路; 至少一个扬声器，用于根据产生的信号发出声音; 容纳扬声器在其内部空间中的扬声器容纳主体; 以及设置在所述容纳主体中的至少一个谐振器，其中所述容纳主体包括声音发射路径，通过所述声音发射路径，由所述扬声器发出的声音经由用于声音传播到外部的内部空间被引入所述容纳主体的外部， 谐振器的点位于通过扬声器的驱动在内部空间中产生的特定频率处于自然振动模式中的声压的波腹的位置，并且谐振器以特定频率共振以调节声压 从而声音从声音发射路径发射到外部。