发明名称 VIBRATION SPEAKER
摘要 A vibration speaker for preventing leakage of magnetic field is provided to reduce magnetic field leaked to outside of a vibration speaker by arranging a sub magnet on a position facing with a main magnet. A vibrator is coupled in a housing(200) by an elastic member(210). A vibrating film is coupled in the housing, and covers the vibrator. The vibrator(320) includes a main magnet(324) and a sub magnet(328). The sub magnet is coupled in the main magnet. The same poles of the main magnet and the sub magnet is faced each other. The sub magnet is positioned between the main magnet and the vibration film. The vibrator includes a top yoke(326). The top yoke is positioned between the main magnet and the sub magnet.
申请公布号 KR20090016367(A) 申请公布日期 2009.02.13
申请号 KR20070080949 申请日期 2007.08.10
申请人 SAMSUNG ELECTRO-MECHANICS CO., LTD. 发明人 KWON, OH SOO;JUNG, HYUN SIK
分类号 H04R9/02 主分类号 H04R9/02
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