发明名称 |
Diaphragm for speaker device, speaker device and mobile phone |
摘要 |
A diaphragm of a speaker device, formed into an elongated configuration, has a recessed shape and includes a voice coil arrangement part extending in its longitude direction. The voice coil arrangement part has a gap with a constant width in its lateral direction and includes a voice coil supporting part for supporting a voice coil and an expanded part provided at a position along it.
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申请公布号 |
US8027503(B2) |
申请公布日期 |
2011.09.27 |
申请号 |
US20060641116 |
申请日期 |
2006.12.19 |
申请人 |
PIONEER CORPORATION;TOHOKU PIONEER CORPORATION |
发明人 |
KONUMA SHINSUKE;FURUTO AKIHIKO;MITOBE KUNIO |
分类号 |
H04R1/00;H04R7/00 |
主分类号 |
H04R1/00 |
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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