发明名称 Cup-shaped loudspeaker armature with magnets from neodymium
摘要 <p>A cup (1) has a convex configuration and the distance between the diametric surface (3) of a neodymium magnet (2) and the internal surface (4) of the cup allows forming of a toroidal chamber (5) with a large air volume to achieve good cooling ventilation of the mobile bobbin and to prevent compression phenomena acting on the loudspeaker.</p>
申请公布号 EP1248494(A2) 申请公布日期 2002.10.09
申请号 EP20020004928 申请日期 2002.03.05
申请人 S.I.P.E. SOCIETA ITALIANA PRODOTTI ELETTROMECCANICI - S.P.A. 发明人 NILI, TIZIANO;SANCISI, CARLO;BENEDETTI, ELEUTERIO
分类号 H04R9/02;H04R9/06;(IPC1-7):H04R9/02 主分类号 H04R9/02
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