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Pat. 10505388 United States, Int. Cl.22 H02J 9/06, H02J 7/00, H02M 7/04, H02M 7/12. Power converting device and control method thereof for providing backup power source : Appl. N 15/375181 : Filed 12.12.2016 : Pub. 10.12.2019 : / Kuan-Hsien Tu, Yung-Wei Peng, So-Huan Chiang ; Assignee Delta Electronics Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10505388/en?oq=US10505388.html (дата обращения: ДД.ММ.ГГГГ).