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：US11025082B2

公开(公告)日：2021-06-01

申请号：US16442963

申请日：2019-06-17

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 ,  H02J50/80 ,  H02J7/04 ,  H02J7/00

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：US10742075B2

公开(公告)日：2020-08-11

申请号：US15823889

申请日：2017-11-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Wooram Lee ,  Kyoungwon Kim ,  Seho Park ,  Chang-Hak O ,  Kyeongjun Kim ,  Kihyun Kim ,  Yunjeong Noh ,  Jae-Wan Park ,  Hyungkoo Chung

IPC: H02J7/00 ,  H02J50/70 ,  H02J50/80 ,  H02J50/12 ,  H02J7/02 ,  H02M7/5387

Abstract: An electronic device according to one embodiment of the present disclosure includes a conductive coil, a power generation circuit, and one or more processors operatively connected to the power generation circuit and may be configured to: compare an amount of transmission power to be supplied to a power reception device with designated threshold power amount, determine a designated frequency to be a frequency of a control signal for controlling the power generation circuit when the amount of transmission power is equal to or less than the designated threshold power amount, determine a phase of the control signal based at least in part on the amount of transmission power and/or the designated frequency when the designated frequency is determined to be the frequency of the control signal, transmit the control signal having the designated frequency and the phase to the power generation circuit to generate, based at least in part on the control signal, transmission power corresponding to the amount of transmission power, and supply the transmission power generated by the power generation circuit to the power reception device wirelessly via the conductive coil.

公开(公告)号：US10536010B2

公开(公告)日：2020-01-14

申请号：US16152856

申请日：2018-10-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyungwoo Lim ,  Kihyun Kim ,  Seho Park ,  Hyunsup Park ,  Wooram Lee

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

Abstract: An electronic device comprising: a battery having a plurality of cells that are connected in series; a circuit electrically connected to the battery; and a conductive pattern electrically connected to the circuit, wherein the circuit is configured to: receive a first signal wirelessly from a first external device by using the conductive pattern, charge at least some of the plurality of cells in the battery by using a power of the first signal, generate a second signal by changing a first voltage, that is produced by at least two of the plurality of cells in the battery, into a second voltage that is lower than the first voltage, and wirelessly transmit the second signal to a second external device, the second signal being transmitted by using the conductive pattern.

公开(公告)号：US09923407B2

公开(公告)日：2018-03-20

申请号：US15008932

申请日：2016-01-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mincheol Ha ,  Kang-Ho Byun ,  Kihyun Kim ,  Jihye Kim ,  Seho Park ,  Kumjong Sun ,  Wooram Lee

IPC: H02J7/02 ,  H02J50/12 ,  H03K5/151 ,  H04B5/00 ,  H02J7/04

CPC classification number: H02J7/025 ,  H02J7/04 ,  H02J50/12 ,  H03K5/151 ,  H04B5/0031 ,  H04B5/0037 ,  H04B5/0075

Abstract: Various embodiments of the present disclosure relate to an apparatus and method for controlling a differential signal of a wireless power transmitter. For example, an apparatus for controlling a differential signal of a wireless power transmitter may include a converter configured to convert a single signal into differential signals; an amplifier operably coupled to the converter and configured amplify power of the differential signals, thereby providing amplified differential signals; a gauge operably coupled to the amplifier and configured to measure a phase difference and amplitude between the amplified differential signals; and a controller for converting a pulse width of the differential signals by controlling the converter according to measurements by the gauge. Further, various embodiments of the present disclosure also include other embodiments other than the aforementioned embodiments.

公开(公告)号：US12015278B2

公开(公告)日：2024-06-18

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: H02J50/12 ,  H02J7/00 ,  H02J50/10 ,  H02J50/80 ,  H02J50/90

CPC classification number: H02J50/12 ,  H02J7/00034 ,  H02J7/00714 ,  H02J50/10 ,  H02J50/80 ,  H02J50/90

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：US11973353B2

公开(公告)日：2024-04-30

申请号：US17055516

申请日：2019-05-13

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yongyoun Kim ,  Seho Park ,  Soon Park ,  Jeongmin Moon ,  Byunghwa Park ,  Keumsu Song ,  Sunghoon Song ,  Yongsang Yun ,  Chihyun Cho

IPC: H02J50/60 ,  H02J50/10 ,  H02J50/23 ,  H02J50/40

CPC classification number: H02J50/60 ,  H02J50/10 ,  H02J50/23 ,  H02J50/40 ,  H02J2310/22

Abstract: An electronic device according to various embodiments comprises a communication module, a sensor module, a wireless charging antenna, a wireless charging module connected to the wireless charging antenna, and at least one processor, wherein the at least one processor may be configured to: receive a signal related to wireless charging from an external device through the communication module; check information indicating the degree of proximity between at least a part of a human body and the electronic device by using the sensor module at least on the basis of the signal; transmit, to the external device, data for adjusting wireless power to be output by the external device at least on the basis of the information; and receive the adjusted wireless power from the external device through the wireless charging module.

公开(公告)号：US11881722B2

公开(公告)日：2024-01-23

申请号：US17285899

申请日：2019-10-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seho Park

IPC: H02J50/20 ,  H02J50/10 ,  H02J50/00 ,  H04B5/00

CPC classification number: H02J50/20 ,  H02J50/005 ,  H02J50/10 ,  H04B5/0037

Abstract: The electronic device comprises: a housing; a wireless charging circuit disposed inside the housing; and a wireless charging antenna electrically connected to the wireless charging circuit and having a spiral shape, wherein the wireless charging antenna comprises: a first conductive pattern corresponding to a region in which current flows toward the inside of the wireless charging antenna from among the regions forming the wireless charging antenna; and a second conductive pattern corresponding to a region in which current flows toward the outside of the wireless charging antenna from among the regions forming the wireless charging antenna, and being disposed on a side of the first conductive pattern on the same plane as and in parallel with the first conductive pattern. The first conductive pattern and the second conductive pattern are formed of a plurality of layers including a first layer and a second layer. In a first region where a partial region of the first conductive pattern and a partial region of the second conductive pattern cross each other, the first conductive pattern may not include the first layer, and the second conductive pattern may not include the second layer.

公开(公告)号：US11658703B2

公开(公告)日：2023-05-23

申请号：US17745221

申请日：2022-05-16

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H02J7/00 ,  H04B5/00 ,  H02J50/10 ,  H04L27/04 ,  H04B1/16 ,  H04B1/04 ,  H04L27/12 ,  H02J50/80

CPC classification number: H04B5/0037 ,  H02J7/0063 ,  H02J50/10 ,  H02J50/80 ,  H04B1/04 ,  H04B1/16 ,  H04B5/0081 ,  H04L27/04 ,  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：US11652373B2

公开(公告)日：2023-05-16

申请号：US17688269

申请日：2022-03-07

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 ,  H02J50/80 ,  H02J50/00 ,  H02J50/10

CPC classification number: H02J50/80 ,  H02J7/0029 ,  H02J7/0042 ,  H02J7/00309 ,  H02J50/005 ,  H02J50/10 ,  H02J50/005 ,  H02J7/0042 ,  H02J7/00309 ,  H02J50/10

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.