公开(公告)号：US11379026B2

公开(公告)日：2022-07-05

申请号：US16941973

申请日：2020-07-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wookwang Lee ,  Dongrak Shin ,  Kyoungwon Kim ,  Sungjoon Cho ,  Kyounghoon Kim

IPC: G06F1/26 ,  G06F1/28 ,  G06F13/42

Abstract: The present application provides an electronic device for preventing a universal serial bus (USB) device from being damaged, and an operating method therefor. The electronic device includes a universal serial bus (USB) connector connectable to at least one of a charging device and a USB device through a dual gender, and at least one processor electrically coupled to the USB connector. The at least one processor is configured to detect a connection of the charging device and the USB device to the electronic device through the USB connector, in response to the connection of the charging device and the USB device to the electronic device, determine a charging voltage satisfying a designated condition, and request the charging device to provide the determined charging voltage through the USB connector.

公开(公告)号：US11322993B2

公开(公告)日：2022-05-03

申请号：US16749063

申请日：2020-01-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jungmin Lee ,  Sungjoon Cho ,  Hansol Choi ,  Youngmi Ha ,  Kyounghoon Kim ,  Byungwook Kim ,  Yusu Kim ,  Kyungmin Park ,  Jaesung Lee ,  Juhyang Lee

IPC: H02J7/00 ,  H02J50/80 ,  H02J7/02

Abstract: An electronic device including a battery, a wireless interface operatively or electrically connected with the battery, a display, a memory, and a processor, wherein the processor is configured to: detect an event while the electronic device is in contact with or is connected to another electronic device via the wireless interface and wirelessly charging-shares power of the battery with the another electronic device via the wireless interface; turn off a wireless charging-sharing function when the event corresponds to a predetermined condition; provide a user notification about the turning-off of the wireless charging-sharing function via the display; and turn on the wireless charging-sharing function when a state of the electronic device corresponds to a wireless charging-sharing condition. The various embodiments also a method of operating the electronic device. Various embodiments are also possible.

公开(公告)号：US11218016B2

公开(公告)日：2022-01-04

申请号：US16916787

申请日：2020-06-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Youngmi Ha ,  Hansol Choi ,  Dongzo Kim ,  Byungwook Kim ,  Jaeho Song ,  Dongik Sin ,  Wooram Lee ,  Sungjoon Cho

IPC: H01M10/44 ,  H01M10/46 ,  H02J7/04 ,  H02J50/10

Abstract: An electronic device and method are provided for frequency interference cancellation. The electronic device includes a coil, a wireless power receive circuit, a charging circuit, a display, and a processor. The processor may be configured to perform wireless charging with power wirelessly received from a wireless charger, change, via the charging circuit, a charging current of the electronic device from an initial current level to a first current level, based on the display being switched on during wireless charging, change, via the wireless power receive circuit, a charging voltage of the electronic device from an initial voltage level to a first voltage level, transmit, via the coil, a packet for changing a charging voltage of the wireless charger, change, via the wireless power receive circuit, the charging voltage of the electronic device to a second voltage level upon transmission of the packet, and change the charging current to the initial current level.