Fire detection port

Signals and indicators – Combined functions – Alarms with indicators

Patent

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Details

116 70, 116214, G08P 540, G08B 700

Patent

active

057912823

ABSTRACT:
A fire detection port installed in doors of occupied structures provides visible and audible signals on one side of a door in the event of fire on the other side of the door.

REFERENCES:
patent: 700864 (1902-05-01), Weinberg
patent: 4569208 (1986-02-01), Villa

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