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Pat. 11055598 United States, Int. Cl.22 G06K 19/077, G06K 19/07, H02M 1/08, H02M 1/00, H02M 3/156, H02M 7/06. Mode-changeable power supply circuit and smart card including the same : Appl. N 16/233886 : Filed 27.12.2018 : Pub. 06.07.2021 : / Kyeongdo Kim, Sanghyo Lee, Seungwon Lee, Jongpil Cho ; Assignee Samsung Electronics Co Ltd ; NN p. : patents.google.com : URL: https://patents.google.com/patent/US11055598/en?oq=US11055598.html (дата обращения: ДД.ММ.ГГГГ).