公开(公告)号：US20200266675A1

公开(公告)日：2020-08-20

申请号：US16782535

申请日：2020-02-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wooram LEE ,  Kangjun KO ,  Kwangseob KIM ,  Minji CHAE ,  Youngmi HA ,  Dongzo KIM ,  Mincheol HA

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

Abstract: An electronic device is includes battery; coil; wireless charging circuit electrically connected to coil; power management module configured to control charge state of battery by using power supplied from receiving circuit; and processor operatively connected to wireless charging circuit and power management module, wherein processor is configured to request configuration information for performing wireless charging from external device through the wireless charging circuit; determine whether wireless charging is possible, based on a response to the request for configuration information; when the wireless charging is possible, request encrypted authentication information from the external device so as to perform authentication with respect to the external device; when the external device is an unauthenticated device, request the external device to transmit a first predetermined power; and when the external device is an authenticated device, request the external device to transmit a second predetermined power that is higher than the first predetermined power.

公开(公告)号：US20200036227A1

公开(公告)日：2020-01-30

申请号：US16447113

申请日：2019-06-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kwangseob KIM ,  Keumsu SONG ,  Changhak O ,  Dongzo KIM ,  Jihye KIM ,  Mincheol HA ,  Kihyun KIM ,  Jiwon KIM ,  Yunjeong NOH ,  Kyungmin LEE ,  Hyungkoo CHUNG ,  Jongchul HONG ,  Yongsang YUN

IPC: H02J50/10 ,  H01F27/30 ,  H01F27/28

Abstract: An electronic device including a wireless charging coils, and an operating method thereof are provided. The electronic device includes a housing including a concave portion couplable to a protrusion of one or more external electronic devices, a first coil stored inside the housing, a second coil stored inside the housing, and disposed between the first coil and the concave portion, a power transmission circuit including a first connecting terminal electrically coupled to the first coil and a second connecting terminal electrically coupled to the second coil, and a control circuit. The control circuit configured to check a data packet received from the external electronic device which is in proximity to the electronic device, control to transmit first designated power to the external electronic device through the first coil wirelessly, and second designated power to the external electronic device through the second coil wirelessly by using the power transmission circuit.

公开(公告)号：US20180331726A1

公开(公告)日：2018-11-15

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: H04B5/00 ,  H02J50/20 ,  H02J7/02 ,  H01F38/14 ,  H02J50/12 ,  H02J50/80 ,  H02J50/70

CPC classification number: H04B5/0081 ,  H01F5/003 ,  H01F27/365 ,  H01F38/14 ,  H02J7/025 ,  H02J50/12 ,  H02J50/20 ,  H02J50/40 ,  H02J50/70 ,  H02J50/80 ,  H04B5/0031 ,  H04B5/0037

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：US20170271920A1

公开(公告)日：2017-09-21

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 ,  H02J7/02

CPC classification number: H02J50/10 ,  H02H7/20 ,  H02J7/025 ,  H02J7/345 ,  H02J50/12

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.

公开(公告)号：US20240162748A1

公开(公告)日：2024-05-16

申请号：US18418574

申请日：2024-01-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mincheol HA ,  Dongzo KIM

IPC: H02J50/00 ,  H02J7/00 ,  H02J50/12 ,  H02J50/60 ,  H02J50/80

CPC classification number: H02J50/005 ,  H02J7/00034 ,  H02J7/0044 ,  H02J7/0049 ,  H02J7/007188 ,  H02J50/12 ,  H02J50/60 ,  H02J50/80

Abstract: A power relay device may be included on/in a cover which covers a portable power reception device, and may comprise: a coil; a power reception circuit configured to rectify a power signal received from a power transmission device through the coil; a wireless communication circuit configured to be driven using the power signal received from the power reception circuit and to communicate with the power transmission device and the power reception device using the coil; and a relay control circuit configured to be driven using the power signal received from the power reception circuit and electrically connected to the power reception circuit and the wireless communication circuit. The relay control circuit may be configured to: receive a first received power value indicating power consumed by the power reception device from the wireless communication circuit; and based on the first received power value being received, transmit a second received power value indicating power consumed by the power relay device to the power transmission device using the wireless communication circuit.

公开(公告)号：US20230208208A1

公开(公告)日：2023-06-29

申请号：US18178545

申请日：2023-03-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yunjeong NOH ,  Kihyun KIM ,  Dongzo KIM ,  Jihye KIM ,  Keyic SON ,  Taehyeon YU ,  Kyungmin LEE ,  Hyungkoo CHUNG ,  Mincheol HA

IPC: H02J50/80 ,  H02J50/40 ,  H02J50/12 ,  H02J50/90 ,  H01F38/14

CPC classification number: H02J50/80 ,  H02J50/402 ,  H02J50/12 ,  H02J50/90 ,  H01F38/14

Abstract: An electronic device includes: coils; power conversion circuits configured to receive direct current (DC) power, convert the DC power into alternating current (AC) power, and output the AC power to the coils; and a processor. The processor is configured to: apply to the coils a ping signal of which a ping power section is repeated periodically and which has a plurality of ping power levels increasing in phases; confirm an SSP signal responding to the ping signal; and perform wireless power transmission by the coils on the basis of a ping power level in which the SSP signal is confirmed from among the plurality of ping power levels.

公开(公告)号：US20230126676A1

公开(公告)日：2023-04-27

申请号：US18088623

申请日：2022-12-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Mincheol HA ,  Dongzo KIM ,  Hyungkoo CHUNG

IPC: H02J50/12 ,  H02J50/90 ,  H02J50/50 ,  H02J50/80

Abstract: An electronic device according to various embodiments include a sensor, a first magnetic element which can be rotated to have a polarity of a first pole or a second pole in a first direction, and a processor. When the first magnetic element is aligned in the first direction by a magnetic force generated due to the approach of a second magnetic element included in an external electronic device, the processor is configured to identify the strength of the magnetic force and the polarity of the first magnetic element corresponding to the magnetic force by means of the sensor, select any one of a plurality of power transmission methods on the basis of the strength of the magnetic force and the polarity, and transmit power to the external electronic device wirelessly on the basis of the power transmission method.

公开(公告)号：US20230042780A1

公开(公告)日：2023-02-09

申请号：US17880830

申请日：2022-08-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mincheol HA ,  Dongzo KIM ,  Kyungmin LEE ,  Kihyun KIM ,  Yunjeong NOH ,  Keyic SON ,  Taehyeon YU ,  Hyungkoo CHUNG

IPC: H02J50/10 ,  H02J50/80 ,  H02J50/40

Abstract: Disclosed is a method for controlling an electronic device electrically couplable to an external electronic device through a connector and capable of transmitting/receiving wireless power, the method including: an operation of identifying electrical connection to the external electronic device; an operation of receiving power from the external electronic device through a short-range communication module; an operation of controlling a mode switch module based on the received power and transmitting a signal regarding a power transmission mode to the external electronic device through the connector; an operation of receiving direct-current power from the external electronic device through the connector after transmitting the signal regarding the power transmission mode; and an operation of generating an electromagnetic field for wireless power transmission through the wireless power transmission/reception module, based on the received direct-current power.

公开(公告)号：US20220149658A1

公开(公告)日：2022-05-12

申请号：US17430907

申请日：2020-02-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Changhak O. ,  Hyungkoo CHUNG ,  Mincheol HA ,  Yongsang YUN

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

Abstract: Disclosed is a power transmission device for wirelessly supplying power to an external electronic device, the power transmission device comprising: a coil configured to transmit a wireless signal to the electronic device based on a transmission power; a power generation circuit configured to supply, to the coil, the transmission power generated based on an input voltage; and a control circuit electrically connected to the coil and the power generation circuit, wherein the control circuit is configured: to receive information about charging power from the electronic device; to determine whether a voltage drop event related to a drop of the internal voltage of the electronic device has occurred, based on the difference between the transmission power and the charging power; and to regulate the level of the input voltage based on results obtained from the determination.

公开(公告)号：US20210288526A1

公开(公告)日：2021-09-16

申请号：US17332335

申请日：2021-05-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wooram LEE ,  Seho PARK ,  Kihyun KIM ,  Jihye KIM ,  Yunjeong NOH ,  Kumjong SUN ,  Mincheol HA ,  Sangmoo HWANGBO

IPC: H02J50/10 ,  H02J7/00 ,  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.