发明名称 MICRO-SPEAKER
摘要 PURPOSE: A micro-speaker is provided to improve the damping function of a vibrating plate in order to improve a vibrating characteristic by fixing the external circumference of a printed base film to a frame. CONSTITUTION: A yoke(20) is fixed to a frame(10). A permanent magnet(30) is fixed to the bottom side of the yoke to be spaced apart from the inner wall of the receiving groove in the yoke. A plate(40) is fixed on the upper side of the permanent magnet. The external circumference of a vibrating plate(50) is fixed to the frame. A base film(60) includes a planar first coil which is printed in a coil pattern. A second coil is electrically connected with the first coil.
申请公布号 KR20100102377(A) 申请公布日期 2010.09.24
申请号 KR20090020723 申请日期 2009.03.11
申请人 BSE CO., LTD. 发明人 DOH, SUNG HWAN;LEE, HAN RYANG;LEE, SANG HO
分类号 H04R9/02;H04R9/04 主分类号 H04R9/02
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