发明名称 |
LOUDSPEAKER, MODULE USING THE SAME, AND ELECTRONIC DEVICE USING THE SAME |
摘要 |
PROBLEM TO BE SOLVED: To provide a loudspeaker for use in an information communication device, a module and electronic device having the loudspeaker mounted therein, whereby the electronic device can be made small in size. SOLUTION: In the loudspeaker, a voice coil 28 and a diaphragm 27 are connected to each other by means of a rod 29 which is smaller than at least the outer shape dimensions of a magnetic circuit 24. The diaphragm 27 of the loudspeaker is arranged in front of a set display unit so as to cover the display unit, and the magnetic circuit 24 is mounted in a rear side of the display unit.
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申请公布号 |
JP2003111193(A) |
申请公布日期 |
2003.04.11 |
申请号 |
JP20010305021 |
申请日期 |
2001.10.01 |
申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
ANDO KOYO |
分类号 |
H04R9/04;H04M1/02;H04M1/03;H04R7/04;H04R9/00;(IPC1-7):H04R9/04 |
主分类号 |
H04R9/04 |
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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