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Pat. 11271480 United States, Int. Cl.22 H02M 3/158, H02M 1/08, H02M 3/157, H04R 17/00, H02M 1/00. Driving circuit with energy recycle capability and method thereof : Appl. N 17/380027 : Filed 20.07.2021 : Pub. 08.03.2022 : / Jemm Yue Liang ; Assignee Xmems Labs Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11271480/en?oq=US11271480.html (дата обращения: ДД.ММ.ГГГГ).