ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,139, issued on June 30, was assigned to SHENZHEN FIRST UNION TECHNOLOGY Co. LTD. (Shenzhen, China).
"Aerosol-producing device and control method" was invented by Shenhui Liu (Shenzhen, China), Zhongli Xu (Shenzhen, China) and Yonghai Li (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Proposed by the present application are an aerosol-producing device and a control method therefor. The device comprises: an inductance coil for generating a changing magnetic field; a capacitor, which forms an LC oscillator with the inductance coil; and a susceptor, which is penetrated by the changing magnetic field to generate heat. A PFM inverter drivi...