| 发明名称 |
SPEAKER DEVICE |
| 摘要 |
PURPOSE:To improve the radiation of a voice coil and make its high input possible by jointing the diaphragm, which is made of foamed metal, to a voice coil bobbin having excellent heat conductivity. |
| 申请公布号 |
JPS52111715(A) |
申请公布日期 |
1977.09.19 |
| 申请号 |
JP19760028759 |
申请日期 |
1976.03.17 |
| 申请人 |
TOKYO SHIBAURA ELECTRIC CO |
发明人 |
NITSUTA TSUNEO;MOGI NORIO;SUZUKI KAZUO |
| 分类号 |
H04R9/04;H04R7/02;H04R9/02;(IPC1-7):04R9/06 |
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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