FIRE ALARM SENSING MEMBER

FIRE ALARM SENSING MEMBER

A fire sensor of the polling type in which plural fire sensors connected via a common line to a central monitoring point are called in sequence in accordance with individual addresses, wherein an address setting section in the fire sensors is improved. Address setting rotary digital code switches ar...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: TAKASI SUZUKI, AKIHIRO KOBAYASI
Format: Patent
Sprache:eng
Schlagworte:
ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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Beschreibung
Zusammenfassung:A fire sensor of the polling type in which plural fire sensors connected via a common line to a central monitoring point are called in sequence in accordance with individual addresses, wherein an address setting section in the fire sensors is improved. Address setting rotary digital code switches are installed on a printed circuit board on which the other components of the sensor are mounted, and holes for accessing the rotary code switches are formed in a body case in positions confronting the switches.