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公开(公告)号：US11476710B2
公开(公告)日：2022-10-18
申请号：US16929581
申请日：2020-07-15
Applicant: Samsung Electronics Co., Ltd.
Inventor： Mincheol Ha , Kwangseob Kim , Kihyun Kim , Dongzo Kim , Jihye Kim , Yunjeong Noh , Changhak O , Kyungmin Lee , Hyungkoo Chung
Abstract: An electronic device according to an embodiment may include: a wireless charging coil; a power transmission circuit configured to be electrically connected to the wireless charging coil; a wireless communication circuit configured to communicate with an external electronic device; and a control circuit. The control circuit may be configured to: transmit power to an external electronic device; obtain data corresponding to power received by the external electronic device in response to the transmitted power using the wireless communication circuit; obtain power loss based on the obtained data; stop transmitting the power to the external electronic device when the power loss exceeds a first threshold; and stop transmitting the power to the external electronic device according to whether an event related the power loss occurs even when the power loss is lower than the first threshold.
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公开(公告)号：US11456625B2
公开(公告)日：2022-09-27
申请号：US16936496
申请日：2020-07-23
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kwangseob Kim , Changhak O , Kihyun Kim , Dongzo Kim , Jihye Kim , Yunjeong Noh , Kyungmin Lee , Hyungkoo Chung , Mincheol Ha
Abstract: According to certain embodiments, a power transmission device comprises an induction circuit configured to transmit a wireless power signal through a charging pad and receive a signal from an external device; and at least one processor operatively connected to the induction circuit, wherein the processor is configured to: enter a wireless charging protection mode for wireless charging of the external device, measure a current value of the wireless power signal, and release the wireless charging protection mode when the packet information is not included in the signal transmitted from the external device and the measured current value or variation of the current value exceeds a threshold value.
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公开(公告)号：US11451074B2
公开(公告)日：2022-09-20
申请号：US16880260
申请日：2020-05-21
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
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.
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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
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.
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5.发明授权公开(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
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.
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Patent Agency Ranking
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
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.
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7.发明授权公开(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
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.
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公开(公告)号：US12301013B2
公开(公告)日：2025-05-13
申请号：US18351848
申请日：2023-07-13
Applicant: Samsung Electronics Co., Ltd.
Inventor： Keyic Son , Kihyun Kim , Dongzo Kim , Jihye Kim , Yunjeong Noh , Taehyeon Yu , Kyungmin Lee , Hyungkoo Chung , Mincheol Ha
Abstract: An electronic device is provided. The electronic device includes a wireless transmission circuit for transmitting power to a power reception device, and a first processor. When entering a power reduction mode, with respect to a first voltage and a first current being output from the wireless transmission circuit, the first processor includes, in case that the power reception device is in an align state, lower a voltage of the wireless transmission circuit to a second voltage lower than the first voltage and lower a current flowing in the electronic device to a second current lower than the first current, and, in case that the power reception device is in a misalign state, lower a voltage of the electronic device to a third voltage lower than the second voltage and lower a current flowing in the wireless communication circuit to a third current lower than the second current.
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公开(公告)号：US12107432B2
公开(公告)日：2024-10-01
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
CPC classification number: H02J50/10 , H02J50/402 , H02J50/80
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.
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10.发明申请公开(公告)号：US20220247239A1
公开(公告)日：2022-08-04
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
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.
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