发明名称 |
Alarm and safety capsule |
摘要 |
An alarm and a safety capsule includes a booth having a door. A control circuit for the booth includes a switch, for sending an alarm, which is not operative until the booth door is closed, and inhibits closing of the door if attempts are made to operate the button with the door open. A timing circuit responsive to operation of the button prohibits release of the door for a determined period. A further button, energized by the timing circuit, enables an occupant of the booth to unlock the door. The door may also be unlocked by a radio control circuit.
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申请公布号 |
US4027304(A) |
申请公布日期 |
1977.05.31 |
申请号 |
US19760678060 |
申请日期 |
1976.04.19 |
申请人 |
DIAKANTONIS, TONY;SWEATT, WARREN L. |
发明人 |
DIAKANTONIS, TONY;SWEATT, WARREN L. |
分类号 |
G08B25/12;(IPC1-7):G08B21/00 |
主分类号 |
G08B25/12 |
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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