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公开(公告)号：US20230146752A1
公开(公告)日：2023-05-11
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
CPC classification number: H01F27/2885 , H02J50/402 , H02J50/70 , H02J50/10 , H02J50/005 , H01F27/2823
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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公开(公告)号：US20210036550A1
公开(公告)日：2021-02-04
申请号：US16929581
申请日：2020-07-15
Applicant: Samsung Electronics Co., Ltd.
Inventor： Mincheol HA , Kwangseob KIM , Kihyun KIM , Dongzo KIM , Jihye KIM , Yunjeong NOH , Changhak O , Kyungmin LEE , Hyungkoo CHUNG
Abstract: An electronic device according to an embodiment may include: a wireless charging coil; a power transmission circuit configured to be electrically connected to the wireless charging coil; a wireless communication circuit configured to communicate with an external electronic device; and a control circuit. The control circuit may be configured to: transmit power to an external electronic device; obtain data corresponding to power received by the external electronic device in response to the transmitted power using the wireless communication circuit; obtain power loss based on the obtained data; stop transmitting the power to the external electronic device when the power loss exceeds a first threshold; and stop transmitting the power to the external electronic device according to whether an event related the power loss occurs even when the power loss is lower than the first threshold.
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公开(公告)号：US20230361598A1
公开(公告)日：2023-11-09
申请号：US18351848
申请日：2023-07-13
Applicant: Samsung Electronics Co., Ltd.
Inventor： Keyic SON , Kihyun KIM , Dongzo KIM , Jihye KIM , Yunjeong NOH , Taehyeon YU , Kyungmin LEE , Hyungkoo CHUNG , Mincheol HA
CPC classification number: H02J50/10 , H02J50/90 , H02J50/80 , H04W52/0251
Abstract: An electronic device is provided. The electronic device includes a wireless transmission circuit for transmitting power to a power reception device, and a first processor. When entering a power reduction mode, with respect to a first voltage and a first current being output from the wireless transmission circuit, the first processor includes, in case that the power reception device is in an align state, lower a voltage of the wireless transmission circuit to a second voltage lower than the first voltage and lower a current flowing in the electronic device to a second current lower than the first current, and, in case that the power reception device is in a misalign state, lower a voltage of the electronic device to a third voltage lower than the second voltage and lower a current flowing in the wireless communication circuit to a third current lower than the second current.
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公开(公告)号：US20230216353A1
公开(公告)日：2023-07-06
申请号：US18119543
申请日：2023-03-09
Applicant: Samsung Electronics Co., Ltd.
Inventor： Mincheol HA , Kihyun KIM , Dongzo KIM , Jihye KIM , Yunjeong NOH , Keyic SON , Taehyeon YU , Kyungmin LEE , Hyungkoo CHUNG
CPC classification number: H02J50/402 , H02J50/12 , H02J50/90 , H02M1/0003
Abstract: An electronic device includes a plurality of coils, power conversion circuits, demodulation switches, and a processor. The power conversion circuits convert DC power into AC power, and output the AC power to the plurality of coils, respectively. The demodulation switches selectively connect the plurality of coils to ground. The processor selects at least one coil from among the plurality of coils, and controls an on/off state of the demodulation switches to connect or disconnect at least one remaining coil except for the selected at least one coil among the plurality of coils to the ground. The processor controls the power conversion circuits to output the AC power to the selected at least one coil and demodulates a signal of the selected at least one coil to identify information from an external electronic device disposed adjacent to a selected at least one coil based on the demodulation.
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公开(公告)号：US20230179028A1
公开(公告)日：2023-06-08
申请号：US18094066
申请日：2023-01-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyungkoo CHUNG , Dongzo KIM , Mincheol HA , Yusu KIM , Kihyun KIM , Yunjeong NOH , Keyic SON , Taehyeon YU , Kyungmin LEE
Abstract: An electronic device capable of transmitting and receiving wireless power may include a wireless power transfer (WPT) coil and a processor configured to be operatively connected to the WPT coil, wherein the processor may perform control to transmit a first ping signal to an external object through the WPT coil, may identify a waveform of a current or voltage measured while or after transmitting the first ping signal, may obtain a Q factor, based on the identified waveform, may control a power transmission operation by determining that the external object is a foreign object or includes the foreign object and is positioned on a center of the WPT coil when the obtained Q factor is less than a predetermined Q factor, may transmit a second ping signal to the external object through the WPT coil when the obtained Q factor is equal to or greater than the predetermined Q factor, may identify a waveform of a current or voltage while or after transmitting the second ping signal, may identify inductance measured at both ends of the WPT coil, based on the identified waveform, and may control the power transmission operation by determining that the external object is the foreign object or includes the foreign object and is positioned in a surrounding area of the WPT coil, based on the measured inductance.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20200251928A1
公开(公告)日：2020-08-06
申请号：US16640017
申请日：2018-04-11
Applicant: Samsung Electronics Co., Ltd.
Inventor： Mincheol HA , Dongzo KIM , Ji-Won KIM , Jae-Wan PARK , Chang-Hak O , Jongchul HONG , Yong Sang YUN
Abstract: According to various embodiments, provided is an electronic device, which comprises a housing and a relay circuit located inside the housing and is capable of receiving and/or retransmitting an electromagnetic field of an external electronic device, wherein the relay circuit is configured to form a resonant frequency higher than that of an operating frequency range of the electromagnetic field transmitted by the external electronic device. Additional various embodiments are possible.
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公开(公告)号：US20210143683A1
公开(公告)日：2021-05-13
申请号：US17057234
申请日：2019-07-02
Applicant: Samsung Electronics Co., Ltd.
Inventor： Mincheol HA , Kwangseob KIM , Kihyun KIM , Dongzo KIM , Jiwon KIM , Jihye KIM , Yunjeong NOH , Keumsu SONG , Changhak O , Kyungmin LEE , Hyungkoo CHUNG , Jongchul HONG , Yongsang YUN
Abstract: Various embodiments relating to an electronic device are disclosed, and according to an embodiment, the electronic device may comprise: a plurality of coils; a first power generation circuit electrically connected to at least one of the plurality of coils; a second power generation circuit electrically connected to at least one of the plurality of coils; and a control circuit, wherein when the approach of a second external electronic device is detected while first power is provided to a first external electronic device by using a first frequency via the first power generation circuit, the control circuit allows the frequency of the second power generation circuit to be configured to a second frequency different from a first frequency in order to provide second power to the second external electronic device. Other embodiments may be possible.
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公开(公告)号：US20200266675A1
公开(公告)日：2020-08-20
申请号：US16782535
申请日：2020-02-05
Applicant: Samsung Electronics Co., Ltd.
Inventor： Wooram LEE , Kangjun KO , Kwangseob KIM , Minji CHAE , Youngmi HA , Dongzo KIM , Mincheol HA
Abstract: An electronic device is includes battery; coil; wireless charging circuit electrically connected to coil; power management module configured to control charge state of battery by using power supplied from receiving circuit; and processor operatively connected to wireless charging circuit and power management module, wherein processor is configured to request configuration information for performing wireless charging from external device through the wireless charging circuit; determine whether wireless charging is possible, based on a response to the request for configuration information; when the wireless charging is possible, request encrypted authentication information from the external device so as to perform authentication with respect to the external device; when the external device is an unauthenticated device, request the external device to transmit a first predetermined power; and when the external device is an authenticated device, request the external device to transmit a second predetermined power that is higher than the first predetermined power.
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9.发明申请公开(公告)号：US20200036227A1
公开(公告)日：2020-01-30
申请号：US16447113
申请日：2019-06-20
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kwangseob KIM , Keumsu SONG , Changhak O , Dongzo KIM , Jihye KIM , Mincheol HA , Kihyun KIM , Jiwon KIM , Yunjeong NOH , Kyungmin LEE , Hyungkoo CHUNG , Jongchul HONG , Yongsang YUN
Abstract: An electronic device including a wireless charging coils, and an operating method thereof are provided. The electronic device includes a housing including a concave portion couplable to a protrusion of one or more external electronic devices, a first coil stored inside the housing, a second coil stored inside the housing, and disposed between the first coil and the concave portion, a power transmission circuit including a first connecting terminal electrically coupled to the first coil and a second connecting terminal electrically coupled to the second coil, and a control circuit. The control circuit configured to check a data packet received from the external electronic device which is in proximity to the electronic device, control to transmit first designated power to the external electronic device through the first coil wirelessly, and second designated power to the external electronic device through the second coil wirelessly by using the power transmission circuit.
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公开(公告)号：US20180331726A1
公开(公告)日：2018-11-15
申请号：US15777506
申请日：2016-11-14
Applicant: Samsung Electronics Co., Ltd.
Inventor： Mincheol HA , Seho PARK , Jung-Oh SUNG , Ju-Hyang LEE , Kwangseob KIM , Dongzo KIM , Yusu KIM , Keumsu SONG , Jae-Woong JEON
CPC classification number: H04B5/0081 , H01F5/003 , H01F27/365 , H01F38/14 , H02J7/025 , H02J50/12 , H02J50/20 , H02J50/40 , H02J50/70 , H02J50/80 , H04B5/0031 , H04B5/0037
Abstract: An electronic device and an operating method thereof according to various embodiments are capable of releasing a connection between a first antenna and a first magnetic field module, receiving power wirelessly through the first antenna by a second magnetic field module coupled to the first antenna, coupling the first antenna and the first magnetic field module, and performing first short range communication through the first antenna by the first magnetic field module.
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