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    WIRELESS POWER TRANSMISSION DEVICE, AND ELECTRONIC DEVICE COMPRISING SAME
    1.
    发明公开
    WIRELESS POWER TRANSMISSION DEVICE, AND ELECTRONIC DEVICE COMPRISING SAME 审中-公开

    公开(公告)号：US20240322602A1

    公开(公告)日：2024-09-26

    申请号：US18680176

    申请日：2024-05-31

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Beomwoo GU ,  Jaeseok PARK ,  Jaehyun PARK ,  Jaesun SHIN ,  Sungku YEO

    IPC: H02J50/12

    CPC classification number: H02J50/12

    Abstract: An electronic device is provided. The electronic device includes a processor, a battery, and a wireless power transmission device, wherein the wireless power transmission device includes a power amplifier circuit including a switch circuit, a filter circuit, and a series resonant circuit, the power amplifier circuit being configured to convert direct current (DC) power received from the battery or a DC adapter into alternative current (AC) and to implement zero-voltage switching (ZVS), a power transmission circuit including a power transmission coil configured to transmit power received from the power amplifier circuit to outside, a matching circuit located between and connected to the power amplifier circuit and the power transmission circuit, the matching circuit being configured to match an impedance of the power amplifier circuit and the power transmission circuit, and a negative voltage detection circuit connected to the filter circuit of the power amplifier circuit and configured to detect a negative voltage generated in the filter circuit, and wherein the negative voltage detection circuit includes a voltage dividing circuit including a positive voltage power supply and a plurality of resistors, the voltage dividing circuit being configured to convert the negative voltage generated in the filter circuit of the power amplifier circuit into a positive voltage in a predetermined range, a voltage sensor configured to detect the positive voltage, and a low-pass filter located between and connected to the voltage dividing circuit and the voltage sensor.

    WIRELESS POWER TRANSMISSION DEVICE FOR DETECTING EXTERNAL OBJECT AND METHOD THEREOF
    2.
    发明申请
    WIRELESS POWER TRANSMISSION DEVICE FOR DETECTING EXTERNAL OBJECT AND METHOD THEREOF 有权

    公开(公告)号：US20230065772A1

    公开(公告)日：2023-03-02

    申请号：US17898866

    申请日：2022-08-30

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Joonhong KIM ,  Jaehyun PARK ,  Jaeseok PARK ,  Sungku YEO ,  Youngho RYU

    IPC: H02J50/60 ,  H02J50/12 ,  H02J50/40 ,  H02J50/00 ,  H02J50/90

    Abstract: An electronic device is provided. The electronic device includes a resonator in which a first slot is formed, a first inverter connected to a first point and a second point on the first slot of the resonator and configured to provide power to the first slot for detecting a foreign material, the first point and the second point on the first slot being located opposite to each other with the first slot therebetween, a second inverter connected to a third point and a fourth point of the resonator different from the first point and the second point and configured to transfer power to the resonator, and a controller configured to control the first inverter to apply the first power having the first frequency to the first slot, identify at least one first impedance of the first point and the second point while the first power is applied to the first slot, identify, based on the at least one first impedance, an external object adjacent to the electronic device, and control the second inverter to apply a second power having a second frequency different from the first frequency to the third point and the fourth point so as to wirelessly provide power to an external wireless power reception device for a period at least partially overlapping with a period for which the first power is applied to the resonator.

    WIRELESS POWER TRANSMITTING DEVICE INCLUDING IMPEDANCE MATCHING CIRCUIT AND WIRELESS POWER TRANSMISSION METHOD
    4.
    发明申请
    WIRELESS POWER TRANSMITTING DEVICE INCLUDING IMPEDANCE MATCHING CIRCUIT AND WIRELESS POWER TRANSMISSION METHOD 有权

    公开(公告)号：US20230101152A1

    公开(公告)日：2023-03-30

    申请号：US17954825

    申请日：2022-09-28

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Beomwoo GU ,  Daehyun KIM ,  Jaeseok PARK ,  Jaehyun PARK ,  Sungku YEO ,  Jeongman LEE

    IPC: H02J50/12 ,  H03H7/40

    Abstract: A wireless power transmitting device includes: a transistor configured to output a signal corresponding to a set operating frequency, based on an input signal and a driving voltage; a matching circuit connected with the transistor; a transmission coil connected with the matching circuit; an LC resonance circuit connected in parallel between the transistor and the matching circuit and configured to transfer a signal corresponding to at least one harmonic frequency of the operating frequency; and an impedance sensing circuit connected with the LC resonance circuit and configured to sense a load impedance of the wireless power transmitting device based on the signal corresponding to the at least one harmonic frequency transferred through the LC resonance circuit. The matching circuit is configured to provide impedance matching with the sensed load impedance by adjusting an impedance of the matching circuit or an impedance of the transmission coil.

    ELECTRONIC DEVICE TO PERFORM POWER MANAGEMENT AND OPERATING METHOD THEREOF
    6.
    发明申请
    ELECTRONIC DEVICE TO PERFORM POWER MANAGEMENT AND OPERATING METHOD THEREOF 有权

    公开(公告)号：US20210149428A1

    公开(公告)日：2021-05-20

    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: 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 TRANSMISSION DEVICE, AND ELECTRONIC DEVICE FOR WIRELESSLY RECEIVING POWER AND OPERATING METHOD THEREFOR
    7.
    发明申请
    WIRELESS POWER TRANSMISSION DEVICE, AND ELECTRONIC DEVICE FOR WIRELESSLY RECEIVING POWER AND OPERATING METHOD THEREFOR 有权

    公开(公告)号：US20210036560A1

    公开(公告)日：2021-02-04

    申请号：US16969091

    申请日：2018-12-24

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Jaeseok PARK ,  Sanghyuk WI ,  Youngho RYU ,  Sungbum PARK ,  Sungku YEO

    IPC: H02J50/80 ,  H02J50/20

    Abstract: According to various embodiments, a wireless power transmission device comprises: a first-scheme communication circuit; a power source for generating a source signal; a power transmission circuit for forming an RF wave on the basis of the source signal; and a control circuit, wherein the control circuit can be configured to receive, from an electronic device supporting first-scheme communication and second-scheme communication, a communication signal including information on a communication environment according to the second-scheme communication through the first-scheme communication circuit, and to control, on the basis of the information on the communication environment according to the second-scheme communication, the frequency of the source signal generated by the power source and/or the transmission strength of the RF wave. Other various embodiments are possible.

    ELECTRONIC DEVICE FOR SEARCHING FOR CONTENT AND METHOD THEREOF
    9.
    发明公开
    ELECTRONIC DEVICE FOR SEARCHING FOR CONTENT AND METHOD THEREOF 审中-公开

    公开(公告)号：US20230177098A1

    公开(公告)日：2023-06-08

    申请号：US18150418

    申请日：2023-01-05

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Jaeseok PARK ,  Mina KIM ,  Seokho YOON

    IPC: G06F16/954 ,  G06F16/9537 ,  G06F3/0482

    CPC classification number: G06F16/954 ,  G06F16/9537 ,  G06F3/0482

    Abstract: An electronic device is provided. The electronic device includes a display, a communication module, at least one processor operatively connected to the display and the communication module, and a memory operatively connected to the at least one processor, and the memory may store instructions which, when executed, cause the at least one processor to display, on the display, one or more keywords for searching for a content, to arrange and display, according to a designated criterion, one or more first categories among subordinate categories associated with the first keyword and one or more first contents associated with the first keyword, in response to identifying that a first keyword is selected among the one or more keywords, to arrange and display, according to the designated criterion, one or more second categories among subordinate categories associated with a selected category and one or more second contents associated with the selected category in the case that a selection input to one of the one or more first categories is identified, and to provide the selected content in the case that a selection input to one of the one or more first contents is identified.

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