FIELD: engineering of fire safety equipment.
SUBSTANCE: in accordance to invention, spectral selection principle is used together with modulated signal in limited band of frequencies, characteristic for open hydrocarbon fire.
EFFECT: increased reliability and trustworthiness of fire detection, increased resistance to interference and fire detection trustworthiness, increased interference resistance and explosion safety.
3 dwg
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Authors
Dates
2007-06-10—Published
2005-01-25—Filed