The driving system of the speaker is constructed by a circular PZT bimorph, which is clamped on its boundary, An elastical coupling element is utilized between the bimorph and the speaker cone.
扬声器的驱动元件是边缘固定的圆形PZT 双型弯曲振子，振动——辐射元件是圆锥形纸盆，这两部分之间采用弹性耦合。
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