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Pat. 10904964 United States, Int. Cl.22 H05B 44/00, H02M 1/44, H05B 45/10, H02M 7/06, H05B 45/37. Driver circuit for controlling brightness of light-emitting diode using switch unit and lighting control unit : Appl. N 16/234638 : Filed 28.12.2018 : Pub. 26.01.2021 : / Yongchuan Li ; Assignee Leedarson America Inc ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US10904964/en?oq=US10904964.html (дата обращения: ДД.ММ.ГГГГ).