Miniature moving-coil type electro-acoustic converter

Miniature moving-coil type electro-acoustic converter

  • CN 201,294,626 Y
  • Filed: 11/07/2008
  • Issued: 08/19/2009
  • Est. Priority Date: 11/07/2008
  • Status: Active Grant
First Claim
Patent Images

1. miniature moving-coil type electroacoustic transducer comprises:

  • Housing;

    Magnetic circuit system is fixedly mounted in the described housing;

    Vibrational system, comprise vibrating diaphragm and voice coil loudspeaker voice coil, described vibrating diaphragm comprises the vibrating diaphragm edge part that is fixed on the described housing, fixedly mounts the vibrating diaphragm central part of described voice coil loudspeaker voice coil, and the vibrating diaphragm connecting portion that connects vibrating diaphragm edge part and vibrating diaphragm central part, described vibrating diaphragm central part is a planar structure;

    It is characterized in that;

    Described vibrating diaphragm connecting portion is provided with towards the annular of basin frame internal cavities to sink to caving in.

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