公开(公告)号：US20180152053A1

公开(公告)日：2018-05-31

申请号：US15880150

申请日：2018-01-25

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： In Wha JEONG ,  Hugh KIM ,  Dae Hun KIM

IPC: H02J50/12 ,  H02J7/02 ,  H02J5/00

CPC classification number: H02J50/12 ,  H02J5/005 ,  H02J7/0042 ,  H02J7/025 ,  H02J17/00

Abstract: A wireless power reception device includes a first resonant circuit having a first resonant frequency; a second resonant circuit connected in parallel with the first resonant circuit and having a second resonant frequency; and a rectifier configured to receive power received wirelessly by either one or both of the first resonant circuit and the second resonant circuit to output a charging current.