公开(公告)号：US11527922B2

公开(公告)日：2022-12-13

申请号：US16573329

申请日：2019-09-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wooram Lee ,  Seho Park ,  Yusu Kim ,  Kyungmin Park ,  Juhyang Lee ,  Byungyeol Choi

IPC: H02J50/90 ,  H02J50/80 ,  H02J7/02 ,  H02J50/10

Abstract: A wireless power transmitter is provided. The wireless power transmitter includes an inverter configured to output alternating current (AC) power using direct current (DC) power, a coil configured to receive the AC power, and a control circuitry, wherein the control circuitry is configured to identify an input associated with transmitting the AC power, output the AC power at a specified frequency determined according to the input, using the inverter, transmit the AC power to an external electronic device using the coil, and, while at least partially transmitting the AC power to the external electronic device, transmit information associated with an amount of the DC power input to the inverter to output the AC power to the external electronic device, such that the external electronic device identifies transmission efficiency of the AC power using the information associated with the amount of DC power.

公开(公告)号：US11336121B2

公开(公告)日：2022-05-17

申请号：US16756774

申请日：2018-08-16

Applicant: Samsung Electronics Co., Ltd.

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

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

Abstract: Provided in various embodiments are an electronic device for receiving wireless power and an operating method of the electronic device, the electronic device comprising: a power receiving circuit including a wireless coil for receiving power from an external electronic device and a rectifying circuit for converting, into a direct current signal, an electric signal received from the external electronic device; a sensing circuit for determining a state of the electronic device by checking a signal applied to the wireless power receiving circuit by means of the external electronic device; and a processor, wherein the processor can be set so as to receive an output signal of the sensing circuit and control, on the basis of the output signal, a gate voltage of at least one field effect transistor (FET) element connected to an input terminal of the rectifying circuit. Other various embodiments are possible.

公开(公告)号：US10855099B2

公开(公告)日：2020-12-01

申请号：US16653469

申请日：2019-10-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yusu Kim ,  Kyoungwon Kim ,  Kyounghoon Kim ,  Byungwook Kim ,  Jeongmin Moon ,  Kyungmin Park ,  Jungmin Lee ,  Juhyang Lee ,  Kuchul Jung ,  Sungjoon Cho ,  Chihyun Cho ,  Hansol Choi ,  Youngmi Ha ,  Yongsang Yun

IPC: H02J7/00 ,  H02J7/02 ,  H02J50/10 ,  H02J7/34 ,  H02J50/80

Abstract: According to various embodiments, an electronic device comprises a battery, a wireless interface including a coil and configured to wirelessly transmit electric power from the battery via the coil, and at least one processor configured to: perform a wireless charging function of wirelessly transmitting electric power to an external device via the wireless interface, while neither the electronic device nor the external device is being supplied with electric power from an external power source via a wire, and based on identifying that the external device starts being supplied with electric power from an external power source via a wire while performing the wireless charging function, stop performing the wireless charging function of wirelessly transmitting electric power to the external device.

公开(公告)号：US20200266661A1

公开(公告)日：2020-08-20

申请号：US16776035

申请日：2020-01-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyungmin PARK ,  Juhyang Lee ,  Hyunho Lee ,  Byungyeol Choi ,  Kangjun Ko ,  Yusu Kim ,  Hyundeok Seo ,  Mingi Song ,  Wooram Lee ,  Chihyun Cho

IPC: H02J50/10 ,  G06F1/18 ,  G06F1/16 ,  H02J50/80

Abstract: An electronic device includes a housing including a first plate, a second plate spaced apart from the first plate and facing the first plate, and a side member at least partially surrounding a space between the first plate and the second plate, a display located in the space and visible through the first plate, a conductive coil parallel to the second plate and disposed between the display and the second plate, a wireless charging circuit electrically connected to the conductive coil, and a processor operationally connected with the display and the wireless charging circuit. The processor receives a power control signal from an external device, applies a charging current to the conductive coil, based on the power control signal, senses whether a specified event occurs while the charging current is applied, and when the specified event occurs, transmits information for setting a charging power corresponding to the specified event to the external device.

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：US12057712B2

公开(公告)日：2024-08-06

申请号：US17422793

申请日：2021-07-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seungshik Shin ,  Sangwoo Kang ,  Kyungmin Park ,  Baewon Park ,  Juhyang Lee ,  Jinsik Choi ,  Jaeyoung Huh

IPC: H02J7/00 ,  H01Q7/00 ,  H02J50/12

CPC classification number: H02J50/12 ,  H01Q7/00 ,  H02J7/00032

Abstract: According to one embodiment, an electronic device comprises a battery, an antenna module including a first coil and a second coil, at least one switch electrically connected with the antenna module, a magnetic field controller electrically connected with the antenna module, a charger electrically connected with the battery and the magnetic field controller, and at least one processor electrically connected with the at least one switch, the magnetic field controller, and the charger. The at least one processor may be configured to, based on an operation mode associated with the antenna module, control the at least one switch to connect the first coil with the magnetic field controller, or to connect the first coil and the second coil in parallel and allow the first coil and the second coil connected in parallel to connect with the magnetic field controller. Other embodiments may be possible as well.

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：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.