CPC A24F 40/57 (2020.01) [A24F 40/10 (2020.01); A24F 40/51 (2020.01); A24F 40/53 (2020.01); H05B 1/02 (2013.01); H05B 1/0297 (2013.01)] | 19 Claims |
1. An aerosol generating device comprising:
a heater configured to heat an aerosol generating material in a cigarette;
a puff sensor configured to detect a pressure change in the aerosol generating device; and
a controller configured to:
determine states of a plurality of sections constituting a puff pattern representing a pressure change over time, based on a signal received from the puff sensor, and
control an operation of the heater, based on the states of the plurality of sections,
wherein the plurality of sections include a first section, a second section following the first section, a third section following the second section, a fourth section following the third section, and a fifth section following the fourth section, and
wherein the controller is further configured to count a number of puffs based on the first section being determined as a pressure maintaining state, the second section being determined as a pressure falling state, the third section being determined as a pressure maintaining state, the fourth section being determined as a pressure rising state, and the fifth section being determined as a pressure maintaining state.
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