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公开(公告)号：US11289951B2
公开(公告)日：2022-03-29
申请号：US16711262
申请日：2019-12-11
Applicant: Samsung Electronics Co., Ltd.
Inventor： Mincheol Ha , Dongzo Kim , Kwangseob Kim , Kihyun Kim , Jihye Kim , Yunjeong Noh , Jungsu Park , Kyungmin Lee , Woojin Jung , Yongsang Yun
Abstract: An electronic device including a coil, a power transmission circuit electrically connected with the coil, a detection circuit, and a control circuit. The control circuit of the electronic device configured to wirelessly output a first signal for identifying an access of a foreign object by first period intervals through the coil using the power transmission circuit, identify a change of the first signal using the detection circuit, wirelessly output the first signal by the first period intervals in response to a detection value of the changed first signal being less than or equal to a first threshold value, and wirelessly output the first signal by a second period intervals longer than the first period intervals in response to the detection value of the changed first signal exceeding the first threshold value.
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公开(公告)号：US10938239B2
公开(公告)日：2021-03-02
申请号：US16371690
申请日：2019-04-01
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：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
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.
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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：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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Patent Agency Ranking
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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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
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.
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18.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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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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