发明名称 |
Plug-in speaker for emergency notification and voice evacuation |
摘要 |
An alarm indicating output appliance can be releasably affixed to a mounting plate. The plate carries wire receiving terminals which couple to the appliance. In the absence of the appliance, at least two of the terminals can be short circuited.
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申请公布号 |
US7791496(B2) |
申请公布日期 |
2010.09.07 |
申请号 |
US20070770244 |
申请日期 |
2007.06.28 |
申请人 |
HONEYWELL INTERNATIONAL INC. |
发明人 |
ANDERSON DOUGLAS J.;DAVIDSON CURTIS R.;VOJINOVIC BOJANA |
分类号 |
G08B7/00;G08B3/10;G08B5/36;G08B21/00 |
主分类号 |
G08B7/00 |
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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