G - Physics
08
B
G08B 17/107 (2006.01)
Patent
CA 2096549
A fire detector capable of readily and accurately adjusting its sensitivity and of not erroneously outputting any fire signal. There is provided a first-stage amplifying circuit having an output adjusting variable resistor and a fire discriminating section having a reference voltage adjusting variable resistor. As a result, it is possible to adjust the amplified output to a predetermined value by the switching level of the fire discriminating section to a predetermined value by the reference voltage adjusting variable resistor.
Hirooka Eiji
Mochizuki Mikio
Yasukawa Makoto
Marks & Clerk
Nohmi Bosai Ltd.
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