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    Electronic device to perform power management and operating method thereof
    3.
    发明授权
    Electronic device to perform power management and operating method thereof 有权

    公开(公告)号：US11347253B2

    公开(公告)日：2022-05-31

    申请号：US17022540

    申请日：2020-09-16

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Jaeseok Park ,  Sungku Yeo ,  Youngho Ryu ,  Jaesun Shin ,  Jeongman Lee ,  Chongmin Lee ,  Hyoseok Han

    IPC: H02J3/14 ,  G05F1/625

    Abstract: An electronic device according to an embodiment may include: a plurality of loads, a processor, and a power management circuit configured to provide the plurality of loads with a power, wherein the power management circuit may include a plurality of regulators configured to adjust a voltage of a power received from a power source and output a voltage-adjusted power, a switching circuit configured to connect at least one of the plurality of regulators to at least one of the plurality of loads, a plurality of power sensors each power sensor being configured to measure a magnitude of a power input to each of the plurality of loads, and a controller. The controller may be configured to obtain information related to an operation of each of the plurality of loads from the processor, obtain the magnitude of the power input to each of the plurality of loads from each of the plurality of power sensors, and identify a load which operates abnormally among the plurality of loads based on the magnitude of the power input to each of the plurality of loads and the information related to the operation of each of the plurality of loads.

    Wireless power reception device including detuning circuit
    4.
    发明授权
    Wireless power reception device including detuning circuit 有权

    公开(公告)号：US12040629B2

    公开(公告)日：2024-07-16

    申请号：US17683614

    申请日：2022-03-01

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Beomwoo Gu ,  Kangho Byun ,  Sungku Yeo ,  Chongmin Lee ,  Bohwan Choi ,  Hyoseok Han

    IPC: H02J50/12 ,  H02J7/00 ,  H02J7/34

    CPC classification number: H02J50/12 ,  H02J7/00308 ,  H02J7/007182 ,  H02J7/345

    Abstract: According to various embodiments, a wireless power reception device for receiving wireless power from a wireless power transmission device may include a first circuit, a first rectifier circuit, a detuning circuit, and a control circuit. The first circuit may include a first coil. The first rectifier circuit may include a first switch and a second switch among a plurality of switches. The detuning circuit may include at least one detuning capacitor and at least one detuning switch. In response to a voltage at an output terminal of the first rectifier circuit exceeding a first voltage, the control circuit may be configured to form a closed loop including the first coil, the first switch, and the second switch by controlling the at least one detuning switch to an on state and controlling the first switch and the second switch to the on state.

    Wireless power transmission device transmitting charging power to wireless power receiving device and method of operating the same
    5.
    发明授权
    Wireless power transmission device transmitting charging power to wireless power receiving device and method of operating the same 有权

    公开(公告)号：US11962169B2

    公开(公告)日：2024-04-16

    申请号：US17580186

    申请日：2022-01-20

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Chongmin Lee ,  Sungku Yeo ,  Kangho Byun ,  Jaesun Shin ,  Jeongman Lee ,  Hyoseok Han

    IPC: H02J50/90 ,  H02J50/12 ,  H04B5/00 ,  H04W4/80

    CPC classification number: H02J50/90 ,  H02J50/12 ,  H04B5/0037 ,  H04W4/80

    Abstract: An electronic device includes a power transmitter; a first communication interface configured to support an Ultra-Wideband (UWB) communication scheme; a second communication interface configured to support a Bluetooth communication scheme; and a processor configured to: control the first communication interface to transmit a first signal and receive a second signal corresponding to the first signal via the first communication interface, identify, based on a difference between a transmission time of the first signal and a reception time of the second signal, first location information of a first external device, control the power transmitter to transmit a first driving power having a first magnitude, based on a first distance between the first external device and the electronic device being within a first range, the first distance being identified based on the first location information, establish a Bluetooth communication connection with the first external device, based on receiving, via the second communication interface, a first packet transmitted from the first external device using the first driving power, after transmitting the first driving power, and control the power transmitter to transmit a first charging power having a second magnitude, after establishing the Bluetooth communication connection.

    Wireless power receiving device, wireless power transmitting device, and control method therefor
    7.
    发明授权
    Wireless power receiving device, wireless power transmitting device, and control method therefor 有权

    公开(公告)号：US11894692B2

    公开(公告)日：2024-02-06

    申请号：US17267996

    申请日：2019-08-14

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Sangwook Lee ,  Chongmin Lee ,  Daehyun Kim ,  Jaeseok Park ,  Hyoseok Han ,  Seunghyun Lee

    IPC: H02J50/20 ,  H02J50/80 ,  H02J50/90 ,  H02J50/40

    CPC classification number: H02J50/20 ,  H02J50/40 ,  H02J50/80 ,  H02J50/90

    Abstract: A wireless power receiving device, according to the disclosure, comprises: at least one power receiving antenna for sequentially receiving a plurality of different RF waves formed by a wireless power transmitting device; a communication circuit; and at least one processor, wherein the at least one processor is configured to confirm a plurality of pieces of strength information that indicates the strength of each of the plurality of different RF waves, confirm a plurality of pieces of phase information corresponding to each of the plurality of different RF waves, confirm, on the basis of the plurality of pieces of strength information and the plurality of pieces of phase information, an optimum phase value such that a received RF wave has a maximum strength, and transmit a communication signal including information about the optimum phase value to the wireless power transmitting device through the communication circuit. Additional various embodiments are possible.

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