发明名称 MULTIFUNCTIONAL MICRO SPEAKER
摘要 <p>The present invention relates to a multifunctional micro speaker. The multifunctional micro speaker of the prevent invention comprises: a frame; a vibration plate including an outer circumference fixed to the frame; a voice coil fixed to a lower surface of the vibration plate; a first suspension which includes an outer circumference fixed to the frame and has elasticity; a yoke which is fixed to the first suspension and includes a bottom portion and a sidewall portion; a first permanent magnet fixed to the bottom portion; a plate fixed on an upper surface of the first permanent magnet; and a first stopper which is separately arranged from the sidewall portion to prevent the leaning bias of the yoke.</p>
申请公布号 WO2011030968(A1) 申请公布日期 2011.03.17
申请号 WO2009KR07323 申请日期 2009.12.08
申请人 BSE CO., LTD.;LEE, SANG-HO;KWON, CHEOL-YOUNG;JANG, HONG-KYU 发明人 LEE, SANG-HO;KWON, CHEOL-YOUNG;JANG, HONG-KYU
分类号 H04R9/02;H04R9/06 主分类号 H04R9/02
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