Communications: electrical – Systems – Signal box type
Patent
1975-05-28
1976-06-15
Caldwell, John W.
Communications: electrical
Systems
Signal box type
340274R, 340272, G08B 2100
Patent
active
039640574
ABSTRACT:
A fire alarm and protection booth having means therein for signalling an alarm to a fire station and/or police station as well as providing refuge in the case of an emergency. The booth comprises an enclosure having a door and a foot treadle which are coupled to electrical switches adapted to provide input signals to a solid state control circuit which upon the actuation of an alarm switch, sets off an alarm as well as detains the person in the enclosure for a predetermined period. An emergency switch is also included which when actuated locks the door during the time the emergency switch is continuously pressed. In the event that the alarm switch is subsequently actuated, the emergency switch is overridden. The solid state control circuit is further operative to defeat any attempt to compromise the alarm system and thereby render the apparatus fool-proof and tamper-proof.
REFERENCES:
patent: 3886536 (1975-05-01), Mann
patent: 3886537 (1975-05-01), Mann et al.
Caldwell John W.
Fire Alarm Marketing Corporation
Wannisky William M.
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