中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

29 records (took 0.026 seconds)

    Wireless charging method and system for detecting foreign material during wireless charging
    14.
    发明授权
    Wireless charging method and system for detecting foreign material during wireless charging 有权

    公开(公告)号：US11309742B2

    公开(公告)日：2022-04-19

    申请号：US17140807

    申请日：2021-01-04

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Wooram Lee ,  Seho Park ,  Mingi Song

    IPC: H02J50/12 ,  H02J50/60 ,  H02J50/80

    Abstract: Wireless charging methods and systems are provided for detecting foreign material by measuring a Q-factor based on a predefined packet and a transmission sequence while a wireless charging transmission device transmits power. An electronic device includes a battery; a coil; a wireless charging reception circuit; a power management module configured to control a charging state of the battery using a voltage supplied from the wireless charging reception circuit; and a processor configured to receive power from a wireless charging transmission device through the coil, determine whether a predetermined condition is satisfied while the battery is charged using the received power, and transmit a foreign material detection request packet to the wireless charging transmission device in response to determining that the predetermined condition is satisfied.

    Method and apparatus for wireless charging
    16.
    发明授权
    Method and apparatus for wireless charging 有权

    公开(公告)号：US10326298B2

    公开(公告)日：2019-06-18

    申请号：US15066589

    申请日：2016-03-10

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Wooram Lee ,  Seho Park ,  Kihyun Kim ,  Jihye Kim ,  Yunjeong Noh ,  Kumjong Sun ,  Mincheol Ha ,  Sangmoo Hwangbo

    IPC: H02J7/02 ,  H02J7/04 ,  H02J50/80

    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.

    Electronic device for receiving wireless power and method for wireless charging thereof
    19.
    发明授权
    Electronic device for receiving wireless power and method for wireless charging thereof 有权

    公开(公告)号：US11515715B2

    公开(公告)日：2022-11-29

    申请号：US16513474

    申请日：2019-07-16

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Juhyang Lee ,  Yusu Kim ,  Kyungmin Park ,  Wooram Lee ,  Byungyeol Choi ,  Yongsang Yun ,  Chihyun Cho

    IPC: H02J7/00 ,  H02J50/80 ,  H02J50/12 ,  H02J7/02

    Abstract: According to various embodiments, an electronic device may include: a battery; a charging circuit; a wireless power reception circuit configured to acquire transmission power wirelessly output from an external electronic device; and a processor, wherein the processor is configured to charge the battery through the charging circuit by using reception power acquired through the wireless power reception circuit, obtain status information related to the charging operation during the charging operation, and transmit a specified signal, corresponding to pausing of the transmission power, to the external electronic device such that the external electronic device pauses outputting of the transmission power, at least on the basis of the status information. In addition to the various embodiments according, other various embodiments are also possible.

    Method of transmitting and receiving power and electronic device using the same
    20.
    发明授权
    Method of transmitting and receiving power and electronic device using the same 有权

    公开(公告)号：US10128669B2

    公开(公告)日：2018-11-13

    申请号：US15138316

    申请日：2016-04-26

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Kyungwoo Lim ,  Kihyun Kim ,  Seho Park ,  Hyunsup Park ,  Wooram Lee

    IPC: H02J7/00 ,  H02J50/10 ,  H02J7/02

    Abstract: An electronic device comprising: a battery having a plurality of cells that are connected in series; a circuit electrically connected to the battery; and a conductive pattern electrically connected to the circuit, wherein the circuit is configured to: receive a first signal wirelessly from a first external device by using the conductive pattern, charge at least some of the plurality of cells in the battery by using a power of the first signal, generate a second signal by changing a first voltage, that is produced by at least two of the plurality of cells in the battery, into a second voltage that is lower than the first voltage, and wirelessly transmit the second signal to a second external device, the second signal being transmitted by using the conductive pattern.

Patent Agency Ranking