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Pat. 11452189 United States, Int. Cl.22 H05B 45/38, H02M 1/08, H02M 1/12, H02M 1/42, H02M 7/06, H02M 7/217, H05B 45/375, H05B 47/105. External zero-crossing detection circuit for LED drivers : Appl. N 17/393895 : Filed 04.08.2021 : Pub. 20.09.2022 : / Michael Archer, Louis Chen ; Assignee Erp Power LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11452189/en?oq=US11452189.html (дата обращения: ДД.ММ.ГГГГ).