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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：US20190305580A1
公开(公告)日：2019-10-03
申请号：US16442963
申请日：2019-06-17
Applicant: Samsung Electronics Co., Ltd.
Inventor： Wooram LEE , Seho PARK , Kihyun KIM , Jihye KIM , Yunjeong NOH , Kumjong SUN , Mincheol HA , Sangmoo HWANGBO
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.
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公开(公告)号：US20220190609A1
公开(公告)日：2022-06-16
申请号：US17688269
申请日：2022-03-07
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kihyun KIM , Kyungha KOO , Wooram LEE , Changhyung LEE , Jihye KIM , Jihong KIM , Yunjeong NOH , Seho PARK , Kumjong SUN , Ju-Hyang LEE , Mincheol HA , Sangmoo HWANGBO
Abstract: An electronic device is provided. The electronic device includes a housing, a wireless charging coil disposed inside the housing, a fan disposed inside the housing and in proximity to the coil, a temperature sensor disposed inside the housing and in proximity to the coil, a wireless charging circuit having the coil and configured to transmit power wirelessly to an external device via the coil, and a control circuit electrically connected to the fan, the temperature sensor, and the wireless charging circuit. The control circuit may be configured to receive a signal from the external device, receive data related to a temperature of the coil from the temperature sensor, and control the fan at least partially on the basis of at least one of the signal and the data.
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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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Patent Agency Ranking
6.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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7.发明公开公开(公告)号：US20230208208A1
公开(公告)日：2023-06-29
申请号：US18178545
申请日：2023-03-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Yunjeong NOH , Kihyun KIM , Dongzo KIM , Jihye KIM , Keyic SON , Taehyeon YU , Kyungmin LEE , Hyungkoo CHUNG , Mincheol HA
CPC classification number: H02J50/80 , H02J50/402 , H02J50/12 , H02J50/90 , H01F38/14
Abstract: An electronic device includes: coils; power conversion circuits configured to receive direct current (DC) power, convert the DC power into alternating current (AC) power, and output the AC power to the coils; and a processor. The processor is configured to: apply to the coils a ping signal of which a ping power section is repeated periodically and which has a plurality of ping power levels increasing in phases; confirm an SSP signal responding to the ping signal; and perform wireless power transmission by the coils on the basis of a ping power level in which the SSP signal is confirmed from among the plurality of ping power levels.
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公开(公告)号：US20230042780A1
公开(公告)日：2023-02-09
申请号：US17880830
申请日：2022-08-04
Applicant: Samsung Electronics Co., Ltd.
Inventor： Mincheol HA , Dongzo KIM , Kyungmin LEE , Kihyun KIM , Yunjeong NOH , Keyic SON , Taehyeon YU , Hyungkoo CHUNG
Abstract: Disclosed is a method for controlling an electronic device electrically couplable to an external electronic device through a connector and capable of transmitting/receiving wireless power, the method including: an operation of identifying electrical connection to the external electronic device; an operation of receiving power from the external electronic device through a short-range communication module; an operation of controlling a mode switch module based on the received power and transmitting a signal regarding a power transmission mode to the external electronic device through the connector; an operation of receiving direct-current power from the external electronic device through the connector after transmitting the signal regarding the power transmission mode; and an operation of generating an electromagnetic field for wireless power transmission through the wireless power transmission/reception module, based on the received direct-current power.
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公开(公告)号：US20210288526A1
公开(公告)日：2021-09-16
申请号：US17332335
申请日：2021-05-27
Applicant: Samsung Electronics Co., Ltd.
Inventor： Wooram LEE , Seho PARK , Kihyun KIM , Jihye KIM , Yunjeong NOH , Kumjong SUN , Mincheol HA , Sangmoo HWANGBO
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.
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10.发明申请公开(公告)号：US20200266670A1
公开(公告)日：2020-08-20
申请号：US16711262
申请日：2019-12-11
Applicant: Samsung Electronics Co., Ltd.
Inventor： Mincheol HA , Dongzo KIM , Kwangseob KIM , Kihyun KIM , Jihye KIM , Yunjeong NOH , Jungsu PARK , Kyungmin LEE , Woojin JUNG , Yongsang YUN
Abstract: An electronic device including a coil, a power transmission circuit electrically connected with the coil, a detection circuit, and a control circuit. The control circuit of the electronic device configured to wirelessly output a first signal for identifying an access of a foreign object by first period intervals through the coil using the power transmission circuit, identify a change of the first signal using the detection circuit, wirelessly output the first signal by the first period intervals in response to a detection value of the changed first signal being less than or equal to a first threshold value, and wirelessly output the first signal by a second period intervals longer than the first period intervals in response to the detection value of the changed first signal exceeding the first threshold value.
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