• CN 202,276,462 U
  • Filed: 09/21/2011
  • Issued: 06/13/2012
  • Est. Priority Date: 09/21/2011
  • Status: Active Grant
First Claim
Patent Images

1. acoustical generator;

  • Comprise magnetic circuit system, accommodate the basin frame of magnetic circuit system, the voice coil loudspeaker voice coil that is arranged in magnetic circuit system and the vibrating diaphragm that is connected with voice coil loudspeaker voice coil;

    Said vibrating diaphragm comprises ball top and the recessed ring portion to magnetic circuit system of deriving from the ball top;

    It is characterized in that;

    said ball top has been sticked away from the one side of magnetic circuit system and one has played ripple, and said bullet ripple is retained on the basin frame.

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