发明名称 MOBILE HANDSET AND ASSEMBLY HAVING MULTI-LOUDSPEAKER SYSTEM
摘要 <p>The present invention relates to a mobile handset comprising a handset housing comprising a front and a back cover, display means being visible from the front cover side of the handset housing, the display means being adapted to provide visual information to a user of the mobile handset. The mobile handset further comprises a plurality of loudspeakers being adapted to generate audio signals, wherein each of the plurality of loudspeakers comprises a magnetic circuit comprising a magnet, the magnetic circuit having at least one gap defined between two opposed and substantially parallel surfaces of the magnetic circuit. The magnet of the magnetic circuit causes a magnetic field to exist across the at least one gap. The magnetic circuit is so arranged that it defines magnetic return paths completely encircling the gap.</p>
申请公布号 WO2004012068(A1) 申请公布日期 2004.02.05
申请号 WO2003DK00503 申请日期 2003.07.18
申请人 SONIONKIRK A/S;JOHANNSEN, LEIF;ANDERSEN, MORTEN, KJELDSEN 发明人 JOHANNSEN, LEIF;ANDERSEN, MORTEN, KJELDSEN
分类号 H04M1/03;H04M1/247;H04R9/04;(IPC1-7):G06F1/16;H04R1/00 主分类号 H04M1/03
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