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1. (WO2015114170) DEVICE FOR DETECTING FIRE OR GAS LEAKAGE AND SYSTEM FOR SECURING PREMISES COMPRISING SAID DEVICE

Pub. No.:    WO/2015/114170    International Application No.:    PCT/EP2015/052210
Publication Date: Fri Aug 07 01:59:59 CEST 2015 International Filing Date: Wed Feb 04 00:59:59 CET 2015
IPC: G08B 17/103
G08B 29/18
Applicants: FINSECUR
Inventors: BONAZZI, Christophe
GUILMOUR, Andrew
Title: DEVICE FOR DETECTING FIRE OR GAS LEAKAGE AND SYSTEM FOR SECURING PREMISES COMPRISING SAID DEVICE
Abstract:
The invention relates to a device (50) for detecting fire or gas leakage, comprising: a sensor (510) for detecting a value of a physical variable representing the presence of a fire or a gas leak, a detector (515) for detecting a fire or a gas leak according to the value detected and a threshold value, and a presence detector (505), the threshold value varying according to the detection of a presence by the presence detector.