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Pat. 11070090 United States, Int. Cl.22 H02J 50/12, H01F 38/14, H02M 3/337, H02M 7/48. Resonance-type contactless power supply, integrated circuit and constant voltage controlling method therefor : Appl. N 16/677202 : Filed 07.11.2019 : Pub. 20.07.2021 : / Wang Zhang, Feng Yu ; Assignee Hangzhou Silergy Semiconductor Technology Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11070090/en?oq=US11070090.html (дата обращения: ДД.ММ.ГГГГ).