发明名称 |
Mobile handset and assembly having multi-loudspeaker system |
摘要 |
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.
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申请公布号 |
US2004087346(A1) |
申请公布日期 |
2004.05.06 |
申请号 |
US20030621325 |
申请日期 |
2003.07.18 |
申请人 |
JOHANNSEN LEIF;ANDERSEN MORTEN KJELDSEN |
发明人 |
JOHANNSEN LEIF;ANDERSEN MORTEN KJELDSEN |
分类号 |
H04M1/03;H04M1/247;H04R9/04;(IPC1-7):H04M1/00;H04B1/38 |
主分类号 |
H04M1/03 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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