发明名称 |
TELEPHONE HAVING PUBLIC-ADDRESS SYSTEM |
摘要 |
A telephone having a PA system includes a telephone set, a handset, a conversion module, and an external loudspeaker. The telephone set is electrically connected to the handset via the conversion module. The external loudspeaker is electrically coupled to the conversion module.
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申请公布号 |
US2008043994(A1) |
申请公布日期 |
2008.02.21 |
申请号 |
US20060309803 |
申请日期 |
2006.09.28 |
申请人 |
HON HAI PRECISION INDUSTRY CO., LTD. |
发明人 |
CHEN XIAO-ZHU;YE ZHEN-XING |
分类号 |
H04M9/00 |
主分类号 |
H04M9/00 |
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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