发明名称 |
Compound sound generator |
摘要 |
A case of the information equipment is provided for setting various parts in. A speaker and receiver are provided in the frame. A first back chamber is formed in the speaker and a second back chamber is formed in the receiver. A baffle is formed on a part of the frame for dividing the inner space of the case so as to separate the first and second back chambers from each other.
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申请公布号 |
US7142686(B2) |
申请公布日期 |
2006.11.28 |
申请号 |
US20030677358 |
申请日期 |
2003.10.03 |
申请人 |
CITIZEN ELECTRONICS CO., LTD. |
发明人 |
FURUYA MASAHITO;KUWABARA HIRONORI |
分类号 |
H04M1/60;H04R25/00;H04M1/03;H04R7/16;H04R9/02;H04R9/06;H04R9/10 |
主分类号 |
H04M1/60 |
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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