G - Physics – 08 – B
Patent
G - Physics
08
B
340/77
G08B 21/00 (2006.01) G08B 17/00 (2006.01) G08B 17/10 (2006.01) G08B 17/11 (2006.01) G08B 29/04 (2006.01) G08B 29/24 (2006.01)
Patent
CA 1115372
MULTI-FUNCTION COMBUSTION DETECTING DEVICE Abstract of the Disclosure A battery powered products of combustion detector and warning device, which is interconnectable in a detecting system with other similar devices, is characterized by means for providing separate, distinct and sensibly perceptible signals representation of (a) a standby or quiescent condition of the device, (b) the energy level of the battery decreasing to at least a predetermined level, (c) the sensitivity of the device to the phenomena decreasing to at least a selected level, (d) detection by the device of the occurrence of the phenomena, or (e) detection of the phenomena by another warning device interconnected therewith. In consequence, a user of the warning device is readily and continuously apprised of the operating condition and state of the device.
319188
Conforti Frederick J.
Macrae & Co.
Pittway Corporation
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