ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,477,628, issued on Nov. 18, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Induction heating apparatus and method for controlling the same" was invented by Kyelyong Kang (Seoul, South Korea) and Ho Yong Jang (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A controller may measure resonance current of a working coil, measure driving voltage of a switching element included in an inverter circuit that supplies current to the working coil, and generates a phase margin pulse based on the resonance current and the driving voltage. The controller may compare the phase margin pulse with a switching signal and determine a driving s...