公开(公告)号：US11848573B2

公开(公告)日：2023-12-19

申请号：US17697349

申请日：2022-03-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dongoh Kang ,  Jungsuk Chu ,  Sooam Kim ,  Jaejin Kim ,  Namju Park

IPC: H02J50/60 ,  H02J50/00 ,  H02J50/12 ,  H01Q1/38 ,  H02J50/80 ,  H02J50/40 ,  H02J50/90

CPC classification number: H02J50/60 ,  H01Q1/38 ,  H02J50/005 ,  H02J50/12 ,  H02J50/402 ,  H02J50/80 ,  H02J50/90

Abstract: A wireless power transmission apparatus includes: a housing; a plate coupled with an upper portion of the housing; a power transmitting coil positioned inside the housing and configured to transmit wireless power to an electronic device put on the plate; a printed circuit board positioned between the plate and the power transmitting coil, and comprising at least one layer in which an antenna and a plurality of Foreign Object Detection (FOD) coils are formed; a processor electrically connected to the power transmitting coil and the printed circuit board; and a switch device configured to perform switching to a connection between the antenna and the processor or a connection between the plurality of FOD coils and the processor.