Patent ID: 11925214
Assignee: KT&G CORPORATION
Field: Other consumer goods (Other fields)
Classification: CPC A  G  H | IPC A  G

Claim 4:
5. An operating method of an aerosol generating device, the operating method comprising:
supplying power to a heater;
calculating a current flowing through the heater by the power based on a predefined resistance of the heater and the power supplied to the heater;
measuring the current flowing through the heater;
accessing a pre-stored lookup table showing a relationship between a plurality of heater temperature values and a plurality of current difference values;
controlling the power supplied to the heater, based on a difference between the calculated current and the measured current,
wherein the controlling comprises obtaining the difference between the calculated current and the measured current, estimating a temperature of the heater based on the difference, and adjusting the power supplied to the heater according to the estimated temperature.