Patent ID: 11877373
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. The control method according to claim 9,
wherein the determining the type of the placed vessel includes:
determining a type of the placed vessel as the ferromagnetic vessel in response to the calculated power value being greater than or equal to a first reference power value in a first section of the predetermined frequency range;
determining a type of the placed vessel as the non-ferromagnetic vessel in response to the calculated power value being greater than or equal to the second reference power value and less than the first reference power value in a second section of the predetermined frequency range; and
determining a type of the placed vessel as a non-heatable vessel in response to the calculated power value being the third reference power value within the predetermined frequency range.