Movable magnetic loudspeaker

Movable magnetic loudspeaker

  • CN 201,248,131 Y
  • Filed: 03/29/2005
  • Issued: 05/27/2009
  • Est. Priority Date: 03/29/2005
  • Status: Active Grant
First Claim
Patent Images

1. A kind of moving magnetic speaker is intended on the basis of common moving-coil speaker structure the moving-coil structure be become moving magnetic structure;

  • It is characterized in that;

    with diffuser (211,107) dust cover on (209) outer shape adopts the structure of the light gravity die arc surface of convex (209), one end and the cone (211 of the cylindrical permanent magnet of making by common permanent magnet or the high ferromagnetism permanent magnet of rare-earth Nd-Fe-B class (210),

         107) middle part dust cover (209) inner arc surface connects, voice coil loudspeaker voice coil (203,302) bobbin (204) one end anchor rings directly are fixed on cone frame (206,104) Antimagnetic hood (202 at rear portion,

         108) on the inner headed face, the other end is sleeved on the outside of permanent magnet (210) on the dust cover of diffuser middle part, is inserted in the degree of depth and is half of length in voice coil former (204) hole.

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