公开(公告)号：US20230051147A1

公开(公告)日：2023-02-16

申请号：US17876060

申请日：2022-07-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jaekyu SHIM ,  Kyungsup LEE ,  Bongyeol LEE ,  Insun YANG ,  Woojong CHO

IPC: H02J7/00

Abstract: An electronic device is provided. The electronic device includes a charging circuit, a battery, and a processor operatively connected to the charging circuit and the battery, wherein the processor is configured to charge the battery with a first voltage corresponding to a first charging level, identify the number of times that supplementary charging is performed after the electronic device is detected to be in a fully-charged state, when the number of times that the supplementary charging is performed exceeds a specified number of times, configure a charging level for charging the battery to a second charging level configured to be lower than the first voltage of the first charging level, and adjust a voltage received from a power transmission device through the charging circuit to a second voltage corresponding to the second charging level and charge the battery with the adjusted second voltage.

公开(公告)号：US20240032200A1

公开(公告)日：2024-01-25

申请号：US18446820

申请日：2023-08-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Taihwan CHOI ,  Jongdoo KIM ,  Jongmin KIM ,  Ungki MIN ,  Gunhee PARK ,  Daeseung PARK ,  Garam YU ,  Bongyeol LEE ,  Hanyeop LEE ,  Gun LIM

IPC: H05K1/18

CPC classification number: H05K1/183 ,  H05K2201/10037 ,  H05K2201/10083

Abstract: An electronic device is provided. The electronic device includes an electronic component including a coil therein, and a printed circuit board that is disposed to surround at least a part of the electronic component and includes plural slits disposed at preset intervals in at least one of regions facing the electronic component, wherein each of the plural slits may include a central slit portion extended along a center of the slit, and a symmetric slit portion extended to be symmetric with respect to the central slit portion.