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Pat. 11177736 United States, Int. Cl.22 H02M 3/157, G05F 1/46, H02M 1/00. Circuit device, power supply circuit, oscillator, electronic apparatus, and vehicle : Appl. N 16/686299 : Filed 18.11.2019 : Pub. 16.11.2021 : / Yasunari Furuya ; Assignee Seiko Epson Corp ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11177736/en?oq=US11177736.html (дата обращения: ДД.ММ.ГГГГ).