公开(公告)号：US20210399561A1

公开(公告)日：2021-12-23

申请号：US17287870

申请日：2019-11-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyungwoo LIM ,  Chijeong CHOI ,  Hayeon KIM ,  Sangkyung PARK ,  Sunghwa PARK ,  Moonki YEO ,  Daekyu LEE ,  Seunga LEE

IPC: H02J7/00 ,  G06F1/26

Abstract: Disclosed is an electronic device comprising: a first input/output terminal; a second input/output terminal; a power source module; a first switch selectively connecting the first input/output terminal to the power source module; a second switch selectively connecting the second input/output terminal to the power source module; a diode having an anode electrically connected to the first input/output terminal and a cathode electrically connected to the power source module, so that the diode is connected in parallel to the first switch; and a control circuit for controlling the first switch and the second switch. The electronic device can prevent damage due to power from external electronic devices by controlling the first switch and the second switch in response to connection of the external electronic devices. Additional various embodiments identified through the specification are possible.

公开(公告)号：US20210249886A1

公开(公告)日：2021-08-12

申请号：US17159373

申请日：2021-01-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hasik MOON ,  Seungho LEE ,  Kyungik JANG ,  Doosuk KANG ,  Sungjin KIM ,  Sangkyung PARK ,  Byoungchul LEE ,  Hongsup LEE ,  Jungho CHO ,  Bokun CHOI ,  Chijeong CHOI ,  Donghoon HYUN

IPC: H02J7/00 ,  H01M10/42 ,  H01M10/44 ,  G01R19/165 ,  H04R1/10

Abstract: An embodiment of the disclosure provides a first power receiving device including a battery, a power management integrated circuit, an interface for receiving power from a power supply device, and a processor configured to control a charging current using the power management integrated circuit. The processor may be configured to: if charging from the power supply device through the interface is detected, set the charging current, transmit first charging information associated with the first power receiving device to the power supply device, through the interface, receive second charging information associated with a second power receiving device which is paired with the first power receiving device or associated with the power supply device from the power supply device, through the interface, and control the charging current by comparing the first charging information and the second charging information.

公开(公告)号：US20230133467A1

公开(公告)日：2023-05-04

申请号：US18071818

申请日：2022-11-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangkyung PARK ,  Kyeongmin KIM ,  Seungho LEE

IPC: H04B1/3877 ,  H04B5/00

Abstract: A cradle, first wireless communication device, and second wireless communication device, and method thereof, are disclosed. The first wireless device receives a first short-range wireless communication signal requesting activation of data communication with the cradle, detects electrical connection to the cradle, receive a second short-range wireless communication signal indicating that the second wireless communication device is electrically connected to the cradle, and transmit a third short-range wireless communication signal requesting the second wireless communication device to activate the power line communication. The second wireless device and cradle may execute corresponding and complimentary operations thereof

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.

公开(公告)号：US20210124403A1

公开(公告)日：2021-04-29

申请号：US16960149

申请日：2019-02-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangkyung PARK ,  Youngchul SHIN ,  Chijeong CHOI

IPC: G06F1/26 ,  G06F13/10 ,  G06F1/16

Abstract: Disclosed is an electronic device. According to an embodiment disclosed in this specification, an electronic device may include a first interface, a second interface, an input device generating a specified signal associated with disconnection of a first external electronic device, and a processor operatively connected to the first interface, the second interface, and the input device. The processor may be configured to receive power from the first external electronic device through the first interface in a state where the first external electronic device is connected to the first interface and a second external electronic device is connected to the second interface, and to receive power from the second external electronic device through the second interface when receiving the specified signal generated by the input device. Other various embodiments as understood from the specification are also possible.