发明名称 |
Personal injury alarm warning system - has short range transmitter carried by endangered person and activated by mercury switch |
摘要 |
<p>The alarm system is designed e.g. for maintenance workers who may be out of sight from the maintenance team. Each ferion (A) carries a short range small radio transmitter (5). The range (R) of transmission being of the order of 10-15 metres. The transmitter is designed to be clipped to clothes of the ferion and is designed to be triggered when it is placed in a horizontal position. A mercury switch is used actuate the transmitter. The system also uses a number of radio receivers (4) fitted with flashing lamps. These receivers are fitted to a ceiling or other height position through the place where maintenance is being carried out. At least one of them is within the range of the signal emitted from the transmitter.</p> |
申请公布号 |
DE2732464(A1) |
申请公布日期 |
1979.02.01 |
申请号 |
DE19772732464 |
申请日期 |
1977.07.18 |
申请人 |
BAE PROTECTION S.A. |
发明人 |
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分类号 |
G01S1/68;G08B21/04;(IPC1-7):01S1/68;08B21/00 |
主分类号 |
G01S1/68 |
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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