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Pat. 11342834 United States, Int. Cl.22 H02M 1/12, H02M 1/08, H02M 7/06, H02M 7/5387, H02M 1/00, H02M 1/42, H02M 1/44, H02M 7/219. Multi-mode working control method for AC-DC power supply : Appl. N 17/199472 : Filed 12.03.2021 : Pub. 24.05.2022 : / Kai Dong, Lin Wang, Shuailin Du, Junhao Ji, Hui Huang ; Assignee Delta Electronics Shanghai Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11342834/en?oq=US11342834.html (дата обращения: ДД.ММ.ГГГГ).