Библиографическая ссылка на патент
Pat. 11064573 United States, Int. Cl.22 H05B 6/06, G01R 23/02, H02M 5/458, H02M 7/48. Determining resonant frequency for quasi-resonant induction cooking devices : Appl. N 15/657304 : Filed 24.07.2017 : Pub. 13.07.2021 : / Victoria Steele, Meher P. Kollipara, Isaac Nam ; Assignee Haier Us Appliance Solutions Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11064573/en?oq=US11064573.html (дата обращения: ДД.ММ.ГГГГ).