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Pat. 11374441 United States, Int. Cl.22 H02J 50/90, H02J 7/02, H02J 50/12, H02M 7/12. Negative modulation solution for fixed coil designs : Appl. N 16/368761 : Filed 28.03.2019 : Pub. 28.06.2022 : / Nicholaus Wayne Smith, Chan Young Jeong ; Assignee Integrated Device Technology Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11374441/en?oq=US11374441.html (дата обращения: ДД.ММ.ГГГГ).