Patent ID: 11925215
Assignee: KT&G CORPORATION
Field: Other consumer goods (Other fields)
Classification: CPC A  H | IPC A  H

Claim 0:
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.