发明名称 |
Loudspeaker for higher audio frequencies and a manufacturing method thereof |
摘要 |
A loudspeaker has a first diaphragm having a domed shape, a second diaphragm formed on a periphery of the first diaphragm, and a voice coil provided at a juncture of the first and second diaphragms. The second diaphragm is designed such that a dip frequency by shape effect thereof is positioned at a frequency higher than a high limit frequency of the first diaphragm.
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申请公布号 |
US5719946(A) |
申请公布日期 |
1998.02.17 |
申请号 |
US19950510459 |
申请日期 |
1995.08.02 |
申请人 |
PIONEER ELECTRONIC CORPORATION |
发明人 |
TERAUCHI, SHOUICHIRO;SUENAGA, TOMOHIRO;YONEYAMA, MASAHARU;SAITO, TAKANOBU |
分类号 |
H04R7/12;H04R7/20;H04R9/06;H04R31/00;(IPC1-7):H04R25/00 |
主分类号 |
H04R7/12 |
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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