Библиографическая ссылка на патент
Pat. 11539235 United States, Int. Cl.22 H02M 1/42, H02J 9/06, H02M 1/00, H02M 3/158, H03K 17/567. Uninterruptible power system and power conversion circuit thereof : Appl. N 17/529503 : Filed 18.11.2021 : Pub. 27.12.2022 : / Yu-Cheng Yang, Kuang-Yu Yang, Cheng-Hsin Yeh ; Assignee Cyber Power Systems Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11539235/en?oq=US11539235.html (дата обращения: ДД.ММ.ГГГГ).