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公开(公告)号：US11575280B2
公开(公告)日：2023-02-07
申请号：US17106579
申请日：2020-11-30
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yusu Kim , Kyoungwon Kim , Kyounghoon Kim , Byungwook Kim , Jeongmin Moon , Kyungmin Park , Jungmin Lee , Juhyang Lee , Kuchul Jung , Sungjoon Cho , Chihyun Cho , Hansol Choi , Youngmi Ha , Yongsang Yun
Abstract: According to various embodiments, an electronic device comprises a battery, a wireless interface including a coil and configured to wirelessly transmit electric power from the battery via the coil, and at least one processor configured to: perform a wireless charging function of wirelessly transmitting electric power to an external device via the wireless interface, while neither the electronic device nor the external device is being supplied with electric power from an external power source via a wire, and based on identifying that the external device starts being supplied with electric power from an external power source via a wire while performing the wireless charging function, stop performing the wireless charging function of wirelessly transmitting electric power to the external device.
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2.发明授权公开(公告)号：US11489212B2
公开(公告)日：2022-11-01
申请号：US16747381
申请日：2020-01-20
Applicant: Samsung Electronics Co., Ltd
Inventor： Youngmi Ha , Sungjoon Cho , Seungbeom Kang , Kyounghoon Kim , Duhyun Kim , Byungwook Kim , Jaeho Song , Dongik Sin , Hansol Choi
Abstract: A method of controlling a plurality of batteries and an electronic device to which the same is applied. The electronic device includes a housing and a plurality of batteries. The electronic device also includes a power management module, a plurality of current limiting ICs, and a processor operationally connected to the plurality of batteries, the power management module and the plurality of current limiting ICs. The processor is configured to sense a sum of the currents flowing into the plurality of batteries or a voltage of the power management module, perform a primary end of reducing a magnitude of the sum of the currents flowing into the plurality of batteries, sense the currents or voltages of the plurality of batteries, and perform a secondary end of blocking a current flowing into a battery.
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公开(公告)号：US11251655B2
公开(公告)日：2022-02-15
申请号：US16698741
申请日：2019-11-27
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sungjoon Cho , Jungmin Lee , Hansol Choi , Youngmi Ha , Yusu Kim , Kyungmin Park , Juhyang Lee
Abstract: An electronic device includes a wireless charging coil, a wireless charging circuit, a power management module, a battery, and a processor. The processor is configured to control to receive first information from an external electronic device while transmitting wireless charging power to the external electronic device through the wireless charging circuit, to control, in response to receiving the first information, the wireless charging circuit to stop transmission of the wireless charging power and operate in a state of transmitting and receiving a ping signal, to check whether a predetermined time has elapsed since the transmission of the wireless charging power is stopped, and to control, in response to elapse of the predetermined time, the wireless charging circuit to retransmit the wireless charging power to the external electronic device. Other embodiments are possible.
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公开(公告)号：US11916425B2
公开(公告)日：2024-02-27
申请号：US16738477
申请日：2020-01-09
Applicant: Samsung Electronics Co., Ltd.
Inventor： Youngmi Ha , Hyunjun Oh , Jungmin Lee , Kuchul Jung , Sungjoon Cho , Hansol Choi , Kyounghoon Kim , Seongil Lee
IPC: H02J7/00
CPC classification number: H02J7/007182 , H02J7/00714 , H02J7/0048
Abstract: An electronic device is provided. The electronic device includes a housing, a battery disposed inside the housing, a power management module for controlling charging of the battery, and at least one processor operationally connected with the battery and the power management module. The at least one processor is provided to direct a plurality of charging intervals while charging the battery, each of the plurality of charging intervals having a target voltage, to alternately charge the battery in a first mode and in a second mode through the power management module, wherein a charging current flowing into the battery is uniformly maintained in the first mode and a voltage of the battery is uniformly maintained in the second mode, and to switch the first mode to the second mode when the voltage of the battery reaches the target voltage in the first mode.
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公开(公告)号：US11303140B2
公开(公告)日：2022-04-12
申请号：US16495942
申请日：2018-02-21
Applicant: Samsung Electronics Co., Ltd.
Inventor： Youngmi Ha , Jaemu Ha , Hansol Choi , Byungwook Kim , Kwanbae Son , Sungjoon Cho
IPC: H02J7/00
Abstract: Various embodiments of the disclosure relate to an apparatus and method for preventing overcharging of a battery. In this case, the electronic device includes a battery, at least one processor, and a memory electrically coupled to the at least one processor. The memory may store instructions, when executed, allowing the at least one processor to set a charge safety time corresponding to an external device upon connection with the external power device, charge the battery, based at least in part on power of the external power device, and update the charge safety time, based on a change of at least one of charging current and discharging current of the battery. Other embodiments may also be possible.
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Patent Agency Ranking
公开(公告)号：US20210036539A1
公开(公告)日：2021-02-04
申请号：US16916787
申请日：2020-06-30
Applicant: Samsung Electronics Co., Ltd.
Inventor： Youngmi Ha , Hansol Choi , Dongzo Kim , Byungwook Kim , Jaeho Song , Dongik Sin , Wooram Lee , Sungjoon Cho
Abstract: An electronic device and method are provided for frequency interference cancellation. The electronic device includes a coil, a wireless power receive circuit, a charging circuit, a display, and a processor. The processor may be configured to perform wireless charging with power wirelessly received from a wireless charger, change, via the charging circuit, a charging current of the electronic device from an initial current level to a first current level, based on the display being switched on during wireless charging, change, via the wireless power receive circuit, a charging voltage of the electronic device from an initial voltage level to a first voltage level, transmit, via the coil, a packet for changing a charging voltage of the wireless charger, change, via the wireless power receive circuit, the charging voltage of the electronic device to a second voltage level upon transmission of the packet, and change the charging current to the initial current level.
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公开(公告)号：US10855099B2
公开(公告)日：2020-12-01
申请号：US16653469
申请日：2019-10-15
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yusu Kim , Kyoungwon Kim , Kyounghoon Kim , Byungwook Kim , Jeongmin Moon , Kyungmin Park , Jungmin Lee , Juhyang Lee , Kuchul Jung , Sungjoon Cho , Chihyun Cho , Hansol Choi , Youngmi Ha , Yongsang Yun
Abstract: According to various embodiments, an electronic device comprises a battery, a wireless interface including a coil and configured to wirelessly transmit electric power from the battery via the coil, and at least one processor configured to: perform a wireless charging function of wirelessly transmitting electric power to an external device via the wireless interface, while neither the electronic device nor the external device is being supplied with electric power from an external power source via a wire, and based on identifying that the external device starts being supplied with electric power from an external power source via a wire while performing the wireless charging function, stop performing the wireless charging function of wirelessly transmitting electric power to the external device.
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公开(公告)号：US12289007B2
公开(公告)日：2025-04-29
申请号：US17679327
申请日：2022-02-24
Applicant: Samsung Electronics Co., Ltd.
Inventor： Youngmi Ha , Sungjoon Cho , Duhyun Kim
IPC: H02J7/00
Abstract: An electronic device and method are disclosed, including a first and second battery, a first and second fuel gauge, and a processor. The processor implements the method, including: determining capacity ratios of the first and second batteries based at least on absolute capacities of the first and second batteries, as identified via the first and second fuel gauges, respectively, calculating a residual capacity of the first battery and a residual capacity of the second battery based on at least one of the determined capacity ratios and the obtained states of the first and second battery, respectively, and outputting the calculated residual capacity of the first battery and the calculated residual capacity of the second battery.
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公开(公告)号：US11855456B2
公开(公告)日：2023-12-26
申请号：US16738404
申请日：2020-01-09
Applicant: Samsung Electronics Co., Ltd.
Inventor： Youngmi Ha , Duhyun Kim , Seungbeom Kang , Kyounghoon Kim , Byungwook Kim , Kwanbae Son , Sungjoon Cho , Hansol Choi
CPC classification number: H02J1/106 , B60L58/22 , H02J1/14 , H02J7/0014 , H02J7/0016 , H02J7/00718
Abstract: A method of controlling charging of a plurality of batteries and an electronic device to which the same is applied are provided. The electronic device includes a housing, a plurality of batteries arranged in the housing, a power management module that controls the plurality of batteries, a plurality of current limiting ICs that limits a maximum intensity of a current flowing into each of the plurality of batteries, and at least one processor operationally connected to the plurality of batteries, the power management module and the plurality of current limiting ICs. The at least one processor may set a total charging current output from the power management module, set an individual charging current flowing into each of the plurality of batteries in proportion to a total capacity of each of the plurality of batteries, and recalculate the individual charging currents when the total charging current changes.
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公开(公告)号：US11437839B2
公开(公告)日：2022-09-06
申请号：US16707446
申请日：2019-12-09
Applicant: Samsung Electronics Co., Ltd.
Inventor： Youngmi Ha , Seungbeom Kang , Kyounghoon Kim , Daeneung Kim , Duhyun Kim , Byungwook Kim , Boeun Lee , Jungmin Lee , Sungjoon Cho , Jaemu Ha
Abstract: An electronic device is provided. The electronic device includes a housing, a first battery and a second battery arranged in the housing, a power management module, a first temperature sensor, a second temperature sensor, a first current limiting integrated circuit (IC) configured to limit a maximum intensity of a first current flowing into the first battery, a second current limiting IC configured to limit a maximum intensity of a second current flowing into the second battery, and a processor. The processor may determine whether the first temperature or the second temperature is outside a specified temperature range and, when the first temperature is outside of the specified temperature range, control the first current limiting IC to reduce a magnitude of the first current.
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