US 12,120,800 B2
Induction heating apparatus and method for controlling induction heating apparatus
Wongyu Park, Seoul (KR); Gwang Rok Kim, Seoul (KR); Bada Yoon, Seoul (KR); and John Kang, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/271,112
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Aug. 30, 2019, PCT No. PCT/KR2019/011207
§ 371(c)(1), (2) Date Feb. 24, 2021,
PCT Pub. No. WO2020/046070, PCT Pub. Date Mar. 5, 2020.
Claims priority of application No. 10-2018-0103042 (KR), filed on Aug. 30, 2018; and application No. 10-2018-0136132 (KR), filed on Nov. 7, 2018.
Prior Publication US 2021/0329747 A1, Oct. 21, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H05B 6/06 (2006.01); H02M 3/158 (2006.01); H05B 6/04 (2006.01); H05B 6/12 (2006.01)
CPC H05B 6/065 (2013.01) [H02M 3/158 (2013.01); H05B 6/04 (2013.01); H05B 6/1272 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method for controlling an induction heating device, the method comprising:
driving a first working coil at a first target frequency;
receiving a driving command for a second working coil;
stopping the driving of the first working coil and driving the second working coil at a preset first adjustment frequency; and
determining a second target frequency of the second working coil corresponding to the driving command for the second working coil.