公开(公告)号：US11309742B2

公开(公告)日：2022-04-19

申请号：US17140807

申请日：2021-01-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wooram Lee ,  Seho Park ,  Mingi Song

IPC: H02J50/12 ,  H02J50/60 ,  H02J50/80

Abstract: Wireless charging methods and systems are provided for detecting foreign material by measuring a Q-factor based on a predefined packet and a transmission sequence while a wireless charging transmission device transmits power. An electronic device includes a battery; a coil; a wireless charging reception circuit; a power management module configured to control a charging state of the battery using a voltage supplied from the wireless charging reception circuit; and a processor configured to receive power from a wireless charging transmission device through the coil, determine whether a predetermined condition is satisfied while the battery is charged using the received power, and transmit a foreign material detection request packet to the wireless charging transmission device in response to determining that the predetermined condition is satisfied.

公开(公告)号：US10959096B2

公开(公告)日：2021-03-23

申请号：US16032375

申请日：2018-07-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seho Park

IPC: H04W12/06 ,  H02J50/70 ,  H02J50/80 ,  H02J7/02 ,  H04L29/06 ,  H02J50/10 ,  H02J7/00

Abstract: A data communication method for wireless power charging and an electronic device using the same is provided. An electronic device performing authentication for wirelessly receiving power supplied from an external electronic device includes a wireless charging receiver module and a processor configured to control the wireless charging receiver module to exchange authentication data with the external electronic device and receive the wireless power supplied from the external electronic device based on a result of the authentication, the authentication data being split into at least one packet. Other embodiments are possible.

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：US10326298B2

公开(公告)日：2019-06-18

申请号：US15066589

申请日：2016-03-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wooram Lee ,  Seho Park ,  Kihyun Kim ,  Jihye Kim ,  Yunjeong Noh ,  Kumjong Sun ,  Mincheol Ha ,  Sangmoo Hwangbo

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

Abstract: An electronic device and a method thereof, which supports fast wireless charging, are provided. The electronic device includes a wireless power circuit, and one or more processors which are functionally connected with the wireless power circuit, wherein the one or more processors are configured to execute detecting an external electronic device through the wireless power circuit, determining wireless power information corresponding to the external electronic device, determining whether the external electronic device supports a first charging power or a second charging power, at least partially based on the wireless power information, providing the first charging power to the external electronic device through the wireless power circuit, at least partially based on the determination that the external electronic device supports the first charging power, and providing the second charging power to the external electronic device through the wireless power circuit, at least partially based on the determination that the external electronic device supports the second charging power.

公开(公告)号：US10270276B2

公开(公告)日：2019-04-23

申请号：US15202171

申请日：2016-07-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kihyun Kim ,  Kyungha Koo ,  Wooram Lee ,  Changhyung Lee ,  Jihye Kim ,  Jihong Kim ,  Yunjeong Noh ,  Seho Park ,  Kumjong Sun ,  Ju-Hyang Lee ,  Mincheol Ha ,  Sangmoo Hwangbo

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

Abstract: An electronic device is provided. The electronic device includes a housing, a wireless charging coil disposed inside the housing, a fan disposed inside the housing and in proximity to the coil, a temperature sensor disposed inside the housing and in proximity to the coil, a wireless charging circuit having the coil and configured to transmit power wirelessly to an external device via the coil, and a control circuit electrically connected to the fan, the temperature sensor, and the wireless charging circuit. The control circuit may be configured to receive a signal from the external device, receive data related to a temperature of the coil from the temperature sensor, and control the fan at least partially on the basis of at least one of the signal and the data.