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Pat. 10177588 United States, Int. Cl.22 H02J 7/00, H02J 7/02, H02M 3/06, H02M 3/07, H02J 7/10. Charging circuit and capacitive power conversion circuit and charging control method thereof : Appl. N 15/598956 : Filed 18.05.2017 : Pub. 08.01.2019 : / Tsung-Wei Huang, Shui-Mu Lin, Wei-Jen Huang, Hsien-Chih She, Teng-Cheng Chen ; Assignee Richtek Technology Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10177588/en?oq=US10177588.html (дата обращения: ДД.ММ.ГГГГ).