发明名称 |
USE OF HEATING AND/OR VENTILATION DUCTWORK TO BROADCAST ALARM CONDITIONS |
摘要 |
The present disclosure provides an audible alarm system that utilizes air-conveying ductwork to transport the audible alarm signal from the point of origination to a distant location. This system is low cost and improves the safety of individuals and reduces the potential loss of property by providing early and better hazard communication.
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申请公布号 |
US2009033503(A1) |
申请公布日期 |
2009.02.05 |
申请号 |
US20070831162 |
申请日期 |
2007.07.31 |
申请人 |
EMILSSON TRYGGVI |
发明人 |
EMILSSON TRYGGVI |
分类号 |
G08B17/00;G08B3/00;G08B21/00 |
主分类号 |
G08B17/00 |
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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