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Pat. 11077514 United States, Int. Cl.22 B23K 9/10, B23K 11/25, H02M 1/10, H02M 1/40, H02M 3/28, H02M 3/335, H02M 1/00. Systems and methods to reduce magnetic flux in a transformer in a switched mode power supply : Appl. N 15/786013 : Filed 17.10.2017 : Pub. 03.08.2021 : / Adam E. Anders, Brian Schwartz, Andrew D. Nelson, Bernard J. Vogel ; Assignee Illinois Tool Works Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11077514/en?oq=US11077514.html (дата обращения: ДД.ММ.ГГГГ).