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公开(公告)号：US11482886B2
公开(公告)日：2022-10-25
申请号：US16784432
申请日：2020-02-07
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yunjeong Noh , Dongzo Kim , Mincheol Ha , Kwangseob Kim , Kihyun Kim , Jihye Kim , Kyungmin Lee , Wooram Lee , Yongsang Yun
Abstract: One or more disclosed embodiments relate to a wireless charging transmitter and a wireless power transfer method. The wireless charging transmitter includes a first charging pad including a first wireless power circuit, a second charging pad including a second wireless power circuit, and a controller configured to, in response to detection of a first electronic device being placed on the first charging pad, transfer power at a first designated wireless power level via the first wireless power circuit, in response to detection of a second electronic device being placed on the second charging pad, transmit a first command for decreasing power transferred to the first electronic device, and transfer, upon receipt of a first request for power at a second designated wireless power level from the first electronic device in response to the first command, the power at the second designated wireless power level via the first and second wireless power circuits. The disclosure may further include other various embodiments.
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公开(公告)号：US11387687B2
公开(公告)日：2022-07-12
申请号：US16782535
申请日：2020-02-05
Applicant: Samsung Electronics Co., Ltd.
Inventor： Wooram Lee , Kangjun Ko , Kwangseob Kim , Minji Chae , Youngmi Ha , Dongzo Kim , Mincheol Ha
Abstract: An electronic device is includes battery; coil; wireless charging circuit electrically connected to coil; power management module configured to control charge state of battery by using power supplied from receiving circuit; and processor operatively connected to wireless charging circuit and power management module, wherein processor is configured to request configuration information for performing wireless charging from external device through the wireless charging circuit; determine whether wireless charging is possible, based on a response to the request for configuration information; when the wireless charging is possible, request encrypted authentication information from the external device so as to perform authentication with respect to the external device; when the external device is an unauthenticated device, request the external device to transmit a first predetermined power; and when the external device is an authenticated device, request the external device to transmit a second predetermined power that is higher than the first predetermined power.
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公开(公告)号：US11177666B2
公开(公告)日：2021-11-16
申请号：US16444409
申请日：2019-06-18
Applicant: Samsung Electronics Co., Ltd.
Inventor： Keumsu Song , Kwangseob Kim , Kihyun Kim , Dongzo Kim , Jiwon Kim , Jihye Kim , Yunjeong Noh , Changhak O , Hyungkoo Chung , Mincheol Ha , Jongchul Hong , Yongsang Yun
Abstract: An electronic device is provided. The electronic device includes a coil unit, a power transmission circuit electrically connected to the coil unit, and a control circuit configured to wirelessly transmit power using the coil unit, and the coil unit may include a first coil. The first coil may include a first layer wound in a first shape by a first number of turns, and a second layer extending from the first layer and wound in a second shape by a second number of turns, and the second layer may be disposed above the first layer to overlap the first layer.
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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
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.
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25.发明授权公开(公告)号：US10673285B2
公开(公告)日：2020-06-02
申请号：US16283182
申请日：2019-02-22
Applicant: Samsung Electronics Co., Ltd.
Inventor： Mincheol Ha , Changhak O , Kwangseob Kim , Dongzo Kim , Jiwon Kim , Jongchul Hong , Kihyun Kim , Yunjeong Noh , Jaewan Park , Hyungkoo Chung , Jihye Kim , Keumsu Song , Yongsang Yun , Sangmoo Hwangbo
Abstract: Various embodiments related to electronic devices are set forth herein. According to an embodiment, an electronic device comprises a coil, a power transmitting circuit electrically connected with the coil, a sensing circuit, and a control circuit. The control circuit is configured to wirelessly output, using the power transmitting circuit, a first designated power through the coil to an external electronic device, and identify, using the sensing circuit, first energy detected at the coil due to a foreign object of the electronic device. The control circuit is further configured to, when a magnitude of the energy falls within a first designated range, output, using the power transmitting circuit, a second designated power to the external electronic device, and when the magnitude of the energy falls within a second designated range, abstain from outputting the power to the external electronic device using the power transmitting circuit. Other embodiments are possible as well.
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Patent Agency Ranking
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
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.
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公开(公告)号：US12206259B2
公开(公告)日：2025-01-21
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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公开(公告)号：US12159739B2
公开(公告)日：2024-12-03
申请号：US18153049
申请日：2023-01-11
Applicant: Samsung Electronics Co., Ltd.
Inventor： Dongzo Kim , Mincheol Ha , Kihyun Kim , Yunjeong Noh , Keyic Son , Taehyeon Yu , Hyungkoo Chung
Abstract: A wireless power transmission apparatus is provided. The wireless power transmission apparatus includes a first coil including a first conductive wire area formed of an arrangement of conductive wires, and a first opening area surrounded by the first conductive wire area, a second coil including a second conductive wire area formed of an arrangement of conductive wires, and a second opening area surrounded by the second conductive wire area, a first overlapping area formed by overlapping a portion of the first conductive wire area with a portion of the second opening area, and a first shielding member disposed on at least a portion of the first overlapping area, wherein the first shielding member may be configured to at least partially block an electromagnetic field generated by the second coil interfering in the first conductive wire area.
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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
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.
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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
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.
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