公开(公告)号：US20230361577A1

公开(公告)日：2023-11-09

申请号：US18312046

申请日：2023-05-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyekyung JEON ,  Yunguk LEE

IPC: H02J7/00 ,  H02J7/34

CPC classification number: H02J7/00034 ,  H02J7/0045 ,  H02J7/0048 ,  H02J7/342 ,  H04R1/1025

Abstract: A system according to an embodiment may include: a first electronic device, a second electronic device, and a charging case, wherein the first electronic device includes a first battery and a first processor; the second electronic device includes a second battery and a second processor; and the charging case includes a third battery, a boost circuit configured to charge the first electronic device and/or the second electronic device with power of the third battery, and a bypass circuit configured to directly supply power from the third battery to the first electronic device and/or the second electronic device, wherein the first processor of the first electronic device may be configured to: identify whether the first electronic device and/or the second electronic device are/is mounted on the charging case; identify a remaining capacity of the first battery and the second battery in response to the identification of being mounted and determine the first electronic device having a larger remaining battery capacity as a main electronic device; transmit a first request signal to a first external electronic device; switch to a lost mode to broadcast a first request signal at a specified period in response to the strength of the first response signal received from the first external electronic device; and transmit information related to the lost mode to the charging case, the second electronic device may be configured to: switch to a power saving mode in which the second electronic device does not perform an operation other than a designated function, wherein the charging case may be configured to connect the third battery and the bypass circuit based on information related to the lost mode and to provide the power of the third battery to the first electronic device using the bypass circuit.

公开(公告)号：US20220385085A1

公开(公告)日：2022-12-01

申请号：US17884976

申请日：2022-08-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyekyung JEON ,  Sungjin KIM ,  Hongsup LEE ,  Sangkyung PARK ,  Seunga LEE

IPC: H02J7/00 ,  H04R1/10

Abstract: A power supply device including a first charging accommodation, a second charging accommodation, a first interface electrically connected to a first power receiving device, and disposed in the first charging accommodation, a second interface electrically connected to a second power receiving device, and disposed in the second charging accommodation, a battery, and a processor configured to receive, via the first interface, first state of charge (SOC) information of the first power receiving device which is mounted in the first charging accommodation, receive, via the second interface, second SOC information of the second power receiving device which is mounted in the second charging accommodation, determine at least one charging parameter based on the first SOC information and the second SOC information, and charge the first power receiving device and the second power receiving device through the first interface and the second interface, respectively, based on the at least one charging parameter.