公开(公告)号：US12237693B2

公开(公告)日：2025-02-25

申请号：US18190675

申请日：2023-03-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Dongzo Kim ,  Mincheol Ha ,  Taehyeon Yu ,  Kyungmin Lee ,  Kihyun Kim

IPC: H02J50/12 ,  H02J50/80 ,  H02M1/00

Abstract: An example wireless power transmitter may include a transmission coil, a converter configured to output a driving voltage, an inverter configured to output AC power to the transmission coil using the driving voltage, and a controller. The controller may be configured to identify a first voltage at one point within the wireless power transmitter while power is wirelessly transmitted through the transmission coil. The controller may be configured to perform at least one operation for providing a first packet for reduction in modulation depth of a wireless power receiver to the wireless power receiver based on a peak-to-peak value identified to be larger than a first reference value according to the first voltage.

公开(公告)号：US12015335B2

公开(公告)日：2024-06-18

申请号：US17057234

申请日：2019-07-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mincheol Ha ,  Kwangseob Kim ,  Kihyun Kim ,  Dongzo Kim ,  Jiwon Kim ,  Jihye Kim ,  Yunjeong Noh ,  Keumsu Song ,  Changhak O ,  Kyungmin Lee ,  Hyungkoo Chung ,  Jongchul Hong ,  Yongsang Yun

IPC: H02J50/80 ,  H02J7/00 ,  H02J50/12 ,  H02J50/40 ,  H02M1/44 ,  H02M3/335

CPC classification number: H02M1/44 ,  H02J7/007182 ,  H02J50/12 ,  H02J50/402 ,  H02J50/80 ,  H02M3/33573

Abstract: Various embodiments relating to an electronic device are disclosed, and according to an embodiment, the electronic device may comprise: a plurality of coils; a first power generation circuit electrically connected to at least one of the plurality of coils; a second power generation circuit electrically connected to at least one of the plurality of coils; and a control circuit, wherein when the approach of a second external electronic device is detected while first power is provided to a first external electronic device by using a first frequency via the first power generation circuit, the control circuit allows the frequency of the second power generation circuit to be configured to a second frequency different from a first frequency in order to provide second power to the second external electronic device. Other embodiments may be possible.

公开(公告)号：US11949253B2

公开(公告)日：2024-04-02

申请号：US17578712

申请日：2022-01-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyungkoo Chung ,  Kihyun Kim ,  Dongzo Kim ,  Jihye Kim ,  Yunjeong Noh ,  Keyic Son ,  Taehyeon Yu ,  Kyungmin Lee ,  Mincheol Ha

IPC: H02J50/80 ,  H02J50/10 ,  H02J50/40 ,  H02J50/90

CPC classification number: H02J50/80 ,  H02J50/10 ,  H02J50/402 ,  H02J50/90

Abstract: A power transmission device is provided for transmitting power. The power transmission device includes a power transmitter including a plurality of coils, and a processor configured to wirelessly transmit power to a power reception device through at least one coil among the plurality of coils, identify a condition indicating a state in which a coil to transmit power related to charging of the power reception device is to be reconfigured, transmit a CSP to the power reception device, in response to identifying the condition, based on the predetermined condition, identify an SSP of at least one other coil adjacent to at least one coil, and wirelessly transmit power to the power reception device through a coil having a largest SSP among an SSP of the at least one coil and the identified SSP of the at least one other coil.

公开(公告)号：US20220231544A1

公开(公告)日：2022-07-21

申请号：US17578007

申请日：2022-01-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Taehyeon YU ,  Kihyun Kim ,  Dongzo Kim ,  Jihye Kim ,  Yunjeong Noh ,  Keyic Son ,  Kyungmin Lee ,  Hyungkoo Chung ,  Mincheol Ha

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

Abstract: According to various embodiments, there may be provided an electronic device comprising a coil, an inverter configured to provide power to the coil, a power providing circuit, a communication circuit, and a control circuit, wherein the control circuit is configured to control the power providing circuit to apply a first voltage to an input terminal of the inverter, the inverter outputting a first magnitude of power based on the application of the first voltage, control the power providing circuit to apply a second voltage lower than the first voltage to the input terminal of the inverter, based on the application of the first voltage being maintained for a specific time, identify, through the communication circuit, a first control error packet from the wireless power receiving device, while applying the second voltage, and identify a first value included in the first control error packet.

公开(公告)号：US11233422B2

公开(公告)日：2022-01-25

申请号：US16640017

申请日：2018-04-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Mincheol Ha ,  Dongzo Kim ,  Ji-Won Kim ,  Jae-Wan Park ,  Chang-Hak O ,  Jongchul Hong ,  Yong Sang Yun

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

Abstract: According to various embodiments, provided is an electronic device, which comprises a housing and a relay circuit located inside the housing and is capable of receiving and/or retransmitting an electromagnetic field of an external electronic device, wherein the relay circuit is configured to form a resonant frequency higher than that of an operating frequency range of the electromagnetic field transmitted by the external electronic device. Additional various embodiments are possible.

公开(公告)号：US11128169B2

公开(公告)日：2021-09-21

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: H02J7/00 ,  H02J50/10 ,  H01F27/28 ,  H01F27/30

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：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：US12136835B2

公开(公告)日：2024-11-05

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 ,  H01F38/14 ,  H02J50/12 ,  H02J50/40 ,  H02J50/90

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：US11831169B2

公开(公告)日：2023-11-28

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

CPC classification number: H02J50/10 ,  H02J7/00712 ,  H02J50/80

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.