ALEXANDRIA, Va., June 4 -- United States Patent no. 12,317,931, issued on June 3, was assigned to KT&G Corp. (Daejeon, South Korea).
"Aerosol generating device and aerosol generating system" was invented by Sang Kyu Park (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An aerosol generating device includes: a susceptor configured to be inserted into an aerosol generating substrate; a first coil configured to induce heat in the susceptor by induction heating; a second coil having a resonance frequency which varies according to a change in a temperature of the susceptor; and a controller configured to calculate the temperature of the susceptor on the basis of a change in the resonance frequen...