公开(公告)号：US11115082B2

公开(公告)日：2021-09-07

申请号：US16315940

申请日：2017-03-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Ju-Hyang Lee ,  Keumsu Song ,  Dongzo Kim ,  Yusu Kim ,  Seho Park ,  Jung-Oh Sung ,  Mincheol Ha ,  Changjong Son ,  Seung-Nyun Kim ,  Yong Sang Yun

IPC: H04B5/00 ,  H02J50/12 ,  H02H9/04 ,  H02J50/70 ,  H02J50/80 ,  H02J50/90 ,  H02J50/10 ,  H01Q1/22 ,  H01Q1/24

Abstract: According to one embodiment of the present invention, an electronic apparatus can comprises: at least one antenna; a first circuit for wirelessly receiving or transmitting power by using at least one part of the at least one antenna; a second circuit for performing at least one communication by using at least one part of the at least one antenna; a first electrical path for connecting the at least one antenna to the first circuit; a second electrical path for connecting the at least one antenna to the second circuit; a third electrical path for connecting a point on the first electrical path to a point on the second electrical path; and at least one passive element or active element connected to at least one of the first electrical path, the second electrical path, and the third electrical path.

公开(公告)号：US11715981B2

公开(公告)日：2023-08-01

申请号：US17317142

申请日：2021-05-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seho Park

IPC: H02J50/80 ,  H02J50/60 ,  H02J50/12 ,  H02J7/02

CPC classification number: H02J50/80 ,  H02J7/02 ,  H02J50/12 ,  H02J50/60

Abstract: An electronic device includes a power transmitting circuit configured to transmit power to a wireless power receiver, a communication circuit configured to perform communication with the wireless power receiver, and a control circuit configured to control the power transmitting circuit to apply first power to a coil of the power transmitting circuit, control the power transmitting circuit to stop applying the first power and to prevent power from being applied to the coil during a first period, identify a first Q-factor during the first period, control the power transmitting circuit to apply, to the coil, a second power based on a calibration operation for identifying at least one parameter used for identifying a power loss during power transmission, control the power transmitting circuit to stop applying the second power and to prevent power from being applied to the coil during a second period, identify a second Q-factor during the second period, and identify a validity of the at least one parameter based on the first Q-factor or the second Q-factor.

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：US11228206B2

公开(公告)日：2022-01-18

申请号：US17031951

申请日：2020-09-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyung-Woo Lee ,  Kang-Ho Byun ,  Seho Park

IPC: H02J50/10 ,  H02J50/40 ,  H02J50/80 ,  H02J50/12 ,  H04B5/00 ,  H02J7/00

Abstract: A wireless power transmitter and method are provided for transmitting charging power to a wireless power receiver. The method includes transmitting, to the wireless power receiver, a control signal including first time information and load change information; detecting a load change of the wireless power receiver during a period of time corresponding to the first time information; and determining that the wireless power receiver is authorized for charging, if the detected load change of the wireless power receiver corresponds to the load change information included in the control signal.

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.

公开(公告)号：US10128669B2

公开(公告)日：2018-11-13

申请号：US15138316

申请日：2016-04-26

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：US12132328B2

公开(公告)日：2024-10-29

申请号：US17583773

申请日：2022-01-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yusu Kim ,  Dohyeon Kim ,  Seho Park ,  Byunghwa Park

IPC: H02J50/12 ,  H04B5/26 ,  H04B5/79

CPC classification number: H02J50/12 ,  H04B5/26 ,  H04B5/79

Abstract: An electronic device to which a wireless charging system is applied is provided. The electronic device includes a battery, a charging circuit, and a circuit board configured to be electrically connected to the charging circuit and include a first portion and a second portion disposed adjacent to the first portion, wherein a first coil, a second coil, and a resonance coil are disposed in the first portion of the circuit board, the first coil being disposed outside the second coil, and the resonance coil being disposed inside the second coil, and wherein a third coil and a resonance capacitor are disposed in the second portion of the circuit board, the resonance capacitor being disposed inside the third coil, and the resonance coil and the resonance capacitor being electrically connected to each other to generate a designated resonance.

公开(公告)号：US11563342B2

公开(公告)日：2023-01-24

申请号：US17506304

申请日：2021-10-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seho Park

IPC: H02J50/60 ,  H02J50/80

Abstract: An electronic device capable of transmitting and receiving wireless power is provided. The electronic device includes a wireless power transfer (WPT) coil, a sensor coil surrounding the WPT coil, and a processor operatively coupled to the WPT coil and the sensor coil. The processor may be configured to control to transmit and receive power by using the WPT coil, perform a ping operation by using the sensor coil, control to measure a waveform of a current or voltage of the sensor coil while or after performing the ping operation using the sensor coil, control to check a Q factor of the sensor coil based on the measured waveform, identify the presence of a foreign object based on the checked Q factor, and control the power transmission using the WPT coil based on a result of the determination of the presence of the foreign object.

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.