公开(公告)号：US11652356B2

公开(公告)日：2023-05-16

申请号：US17315823

申请日：2021-05-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangun Bang ,  Dongjo Kim ,  Jinsoo Lee ,  Woonhyung Heo ,  Dongjoon Kim ,  Sungeun Lee

IPC: H02J7/00 ,  H04B1/3827 ,  H04B3/02

CPC classification number: H02J7/0068 ,  H02J7/00306 ,  H04B1/3827 ,  H04B3/02

Abstract: A portable device includes: a modem configured to perform power line communication with a charger external to the portable device; and a charging circuit configured to, from first power provided by the charger, charge a battery and supply power to an electrical load, wherein the charging circuit is further configured to cut off the supply of the first power to the electrical load and supply second power from the battery to the electrical load.