公开(公告)号：US10742060B2

公开(公告)日：2020-08-11

申请号：US15400263

申请日：2017-01-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yusu Kim ,  Seho Park ,  Jung-Oh Sung ,  Ku-Chul Jung ,  Yong Sang Yun

IPC: H02J7/02 ,  H02J50/80 ,  H02J50/12 ,  H02J7/04

Abstract: An electronic device and an operation method thereof according to various example embodiments wirelessly receive detection power for detecting the electronic device, and put a limitation on storing the power.

公开(公告)号：US12176732B2

公开(公告)日：2024-12-24

申请号：US17428908

申请日：2020-01-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyundeok Seo ,  Byunghwa Park ,  Kyungmin Park ,  Juhyang Lee ,  Hyunho Lee ,  Byungyeol Choi ,  Yusu Kim ,  Chihyun Cho

IPC: H02J50/80 ,  H02J7/00 ,  H02J50/10 ,  H02J50/90 ,  H04B5/79

Abstract: An electronic device may comprise: a battery; a charging circuit; a wireless power receiver circuit configured to acquire transmitted power wirelessly output from an external electronic device; and a processor. The processor may be configured to control the electronic device to: charge the battery through the charging circuit using received power acquired through the wireless power receiver circuit; identify at least one piece of information related to the charging, while the charging operation is performed; transmit a designated signal corresponding to suspension of the transmitted power to the external electronic device such that the external electronic device enters a wireless charging standby mode, in which the external electronic device holds the operation of outputting the transmitted power, at least partially based on the at least one piece of information; identify first situation information regarding the electronic device during the wireless charging standby mode; identify second situation information regarding the electronic device, in response to identifying the first situation information; and sense the electronic device being detached from the external electronic device based on the electronic device corresponding to the first situation information and the second situation information.

公开(公告)号：US11515715B2

公开(公告)日：2022-11-29

申请号：US16513474

申请日：2019-07-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Juhyang Lee ,  Yusu Kim ,  Kyungmin Park ,  Wooram Lee ,  Byungyeol Choi ,  Yongsang Yun ,  Chihyun Cho

IPC: H02J7/00 ,  H02J50/80 ,  H02J50/12 ,  H02J7/02

Abstract: According to various embodiments, an electronic device may include: a battery; a charging circuit; a wireless power reception circuit configured to acquire transmission power wirelessly output from an external electronic device; and a processor, wherein the processor is configured to charge the battery through the charging circuit by using reception power acquired through the wireless power reception circuit, obtain status information related to the charging operation during the charging operation, and transmit a specified signal, corresponding to pausing of the transmission power, to the external electronic device such that the external electronic device pauses outputting of the transmission power, at least on the basis of the status information. In addition to the various embodiments according, other various embodiments are also possible.

公开(公告)号：US11424639B2

公开(公告)日：2022-08-23

申请号：US16582094

申请日：2019-09-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Juhyang Lee ,  Yusu Kim ,  Kyungmin Park ,  Yongsang Yun ,  Chihyun Cho

IPC: H02J7/02 ,  H01F27/28 ,  H02J50/10

Abstract: According to embodiments, a wireless charging coil and an electronic device including the same are provided. The electronic device may include a battery; a wireless charging coil; a wireless charging circuit configured to wirelessly transmit and/or receive power using the wireless charging coil; and a processor electrically connected to the battery, the wireless charging coil, and the wireless charging circuit, wherein based on another electronic device being positioned within a specified transmission and/or reception distance of the electronic device, the processor is configured to control the electronic device to transmit power stored in the battery to the other electronic device using the wireless charging coil and the wireless charging circuit. Therefore, the electronic device can wirelessly charge another electronic device, a watch, and an earbud in which the remaining battery capacity is insufficient.

公开(公告)号：US11424527B2

公开(公告)日：2022-08-23

申请号：US16785455

申请日：2020-02-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yusu Kim ,  Juhyang Lee

IPC: H02J50/80 ,  H01Q1/24 ,  H04B5/00 ,  H02J50/12 ,  H02J7/02

Abstract: An electronic device including: a battery; a signal converting circuit connected to the battery including first, second, third, and fourth switches of a bridge structure; a processor connected to the signal converting circuit; and an antenna connected to the signal converting circuit. The signal converting circuit is configured to: receive from the processor an input which selects a first communication scheme based on the received input while converting and providing to the antenna a direct current signal output from the battery to an alternate current signal; control the first and fourth switches to alternate in a high state and a low state; control the second and third switches in a different state which is different from the state of the first and fourth switches; and control two of the first, second, third, and fourth switches in the high state to alternate in an on state and an off state.

公开(公告)号：US11355950B2

公开(公告)日：2022-06-07

申请号：US16653443

申请日：2019-10-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seho Park ,  Kyoungwon Kim ,  Yusu Kim ,  Yongsang Yun ,  Chihyun Cho

IPC: H02J7/00 ,  H02J7/02 ,  H02J50/10 ,  H04L27/04 ,  H04B5/00 ,  H04B1/16 ,  H04B1/04 ,  H04L27/12

Abstract: Electronic device and method for driving electronic device. The electronic device includes battery, power management integrated circuit (PMIC) configured to control charging status of battery, coil, wireless power circuit electrically connected to coil, communication circuit electrically connected to coil, and processor, wherein processor is configured to, when the wireless power circuit is in a transmission (Tx) mode, transmit a wireless power signal through the coil by using the wireless power circuit, and transmit a signal obtained by frequency shift keying (FSK)-modulating a transmission device parameter by using the communication circuit, to an external electronic device through the coil, and when the wireless power circuit is in a reception (Rx) mode, receive wireless power by using the wireless power circuit to charge the battery, and transmit a signal obtained by amplitude shift keying (ASK)-modulating a reception device parameter by using the communication circuit, to the external electronic device through the coil.

公开(公告)号：US11251655B2

公开(公告)日：2022-02-15

申请号：US16698741

申请日：2019-11-27

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H02J50/10 ,  H02J7/02 ,  H02J50/80 ,  H02J7/00

Abstract: An electronic device includes a wireless charging coil, a wireless charging circuit, a power management module, a battery, and a processor. The processor is configured to control to receive first information from an external electronic device while transmitting wireless charging power to the external electronic device through the wireless charging circuit, to control, in response to receiving the first information, the wireless charging circuit to stop transmission of the wireless charging power and operate in a state of transmitting and receiving a ping signal, to check whether a predetermined time has elapsed since the transmission of the wireless charging power is stopped, and to control, in response to elapse of the predetermined time, the wireless charging circuit to retransmit the wireless charging power to the external electronic device. Other embodiments are possible.

公开(公告)号：US10367548B2

公开(公告)日：2019-07-30

申请号：US15777506

申请日：2016-11-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mincheol Ha ,  Seho Park ,  Jung-Oh Sung ,  Ju-Hyang Lee ,  Kwangseob Kim ,  Dongzo Kim ,  Yusu Kim ,  Keumsu Song ,  Jae-Woong Jeon

IPC: H01F5/00 ,  H02J7/02 ,  H04B5/00 ,  H01F27/36 ,  H01F38/14 ,  H02J50/12 ,  H02J50/20 ,  H02J50/40 ,  H02J50/70 ,  H02J50/80

Abstract: An electronic device and an operating method thereof according to various embodiments are capable of releasing a connection between a first antenna and a first magnetic field module, receiving power wirelessly through the first antenna by a second magnetic field module coupled to the first antenna, coupling the first antenna and the first magnetic field module, and performing first short range communication through the first antenna by the first magnetic field module.

公开(公告)号：US10326307B2

公开(公告)日：2019-06-18

申请号：US15413916

申请日：2017-01-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yusu Kim ,  Kwangseob Kim ,  Dongzo Kim ,  Seho Park ,  Hanseok Park ,  Keumsu Song ,  Ju-Hyang Lee ,  Mincheol Ha ,  Seung-Nyun Kim ,  Yong Sang Yun ,  Chi-Hyun Cho

IPC: H02J50/10 ,  H02H7/20 ,  H02J50/12 ,  H02J7/02 ,  H02J7/34

Abstract: An electronic apparatus and its operating method are provided. The electronic apparatus and its operating method can be configured to drive the capacitor, to detect the received power, and stop driving the capacitor.