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Pat. 9954451 United States, Int. Cl.22 G05F 1/30, H02M 3/335, H02M 1/00. Programmable frequency decrease circuit for a programmable power supply : Appl. N 14/525319 : Filed 28.10.2014 : Pub. 24.04.2018 : / Ta-Yung Yang, Chen-Hua Chiu, Yong-Ann Ang, Jhih-Da Hsu ; Assignee Semiconductor Components Industries LLC ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US9954451/en?oq=US9954451.html (дата обращения: ДД.ММ.ГГГГ).