发明名称 |
Speaker and method for manufacturing the speaker |
摘要 |
A speaker has a case having a peripheral projection, a magnetic device having a yoke, and a permanent magnet and secured to the case. A diaphragm is secured to the case at the peripheral projection. A protector has an upper plate and a cylindrical holding portion at the periphery of the upper plate. The protector is secured to the case at the cylindrical holding portion.
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申请公布号 |
US2003081807(A1) |
申请公布日期 |
2003.05.01 |
申请号 |
US20020269889 |
申请日期 |
2002.10.15 |
申请人 |
CITIZEN ELECTRONICS, CO., LTD. |
发明人 |
FURUYA MASAHITO |
分类号 |
H04R9/02;H04R1/02;H04R7/18;H04R9/00;H04R9/04;H04R31/00;(IPC1-7):H04R1/02;H04R1/00;H04R9/06;H04R11/02 |
主分类号 |
H04R9/02 |
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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