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Pat. 10003270 United States, Int. Cl.22 H02M 3/335, H02M 1/08, H02M 3/156, H02M 1/00. Reduction of audible noise in a power converter : Appl. N 15/854538 : Filed 26.12.2017 : Pub. 19.06.2018 : / Vikram Balakrishnan, Giao Minh Pham, Ricardo Luis Janezic Pregitzer, Peter Vaughan ; Assignee Power Integrations Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10003270/en?oq=US10003270.html (дата обращения: ДД.ММ.ГГГГ).