FIELD: aerosol generating devices.
SUBSTANCE: aerosol generating device includes a heater that heats the substrate to generate the aerosol, a temperature sensor that detects the temperature of the heater, and a controller that controls power supplied to the heater using a power signal so that the heater is heated within a predetermined temperature range, filters the signal power and detects the user's puff based on the filtered power signal.
EFFECT: improved accuracy of detection of the user's puffing behaviour.
8 cl, 13 dwg
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