发明名称 |
WARNING UNIT |
摘要 |
<p>A warning unit comprises a housing (10) for mounting to a wall, the housing (10) containing a control unit and the warning unit having a proximity sensor (14) for detecting the approach of any person to cause the control unit to energise a sound emitting device (24), which preferably replays a verbal warning message.</p> |
申请公布号 |
WO2004044859(A1) |
申请公布日期 |
2004.05.27 |
申请号 |
WO2003GB04979 |
申请日期 |
2003.11.14 |
申请人 |
WILSON, PAUL, ANDREW;WILSON, GARY, MICHAEL |
发明人 |
WILSON, PAUL, ANDREW |
分类号 |
G08B7/06;G08B3/10;(IPC1-7):G08B3/10 |
主分类号 |
G08B7/06 |
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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