SYSTEM

WIPO Patent Application WO/2016/136434

A1

A detector 1 is equipped with a smoke sensor 15, a CO sensor 16, an acquisition unit 275, and a determination unit 276. The smoke sensor 15 detects the concentration of smoke within a monitored area, and the CO sensor 16 detects the concentration of CO gas within the monitored area. The acquisition unit 275 acquires a CO-smoke conversion coefficient for the detection value of the smoke sensor 15 and/or the detection value of the CO sensor 16 on the basis of the detection value of the smoke sensor 15 or the detection value of the CO sensor 16. The determination unit 276 determines whether an abnormality has occurred within the monitored area on the basis of the detection value of the smoke sensor 15, the detection value of the CO sensor 16, the CO-smoke conversion coefficient acquired by the acquisition unit 276, and a determination threshold value.

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EBATA HIROMICHI (JP)
MANMOTO ATSUSHI (JP)

PCT/JP2016/053562

September 01, 2016

February 05, 2016

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HOCHIKI CO (JP)

G08B17/00; G01N21/53; G08B17/10

JP2000057469A	2000-02-25
JP2000516000A	2000-11-28
JPS6198498A	1986-05-16
JP2003162778A	2003-06-06
JP2009193315A	2009-08-27

See also references of EP 3264381A4

SAITO, TATSUYA (JP)
Tatsuya Saito (JP)

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