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公开(公告)号：US11862990B2
公开(公告)日：2024-01-02
申请号：US17178707
申请日：2021-02-18
Applicant: Samsung Electronics Co., Ltd.
Inventor： Wooram Lee , Dohyeon Kim , Seho Park , Mingi Song
CPC classification number: H02J50/402 , H02J50/12 , H02J50/80 , H02J2310/22
Abstract: A wireless charging device is provided and includes a first inverter, a first switch electrically connected to the first inverter, a second inverter, a second switch electrically connected to the second inverter, a first coil group connected to the first inverter through the first switch, a second coil group connected to the second inverter through the second switch, and a processor operatively connected to the first inverter, the first switch, the second inverter, the second switch, the first coil group, and the second coil group. The processor detects an electronic device disposed above the wireless charging device through at least one coil in the first coil group or the second coil group, and to wirelessly transmit power to the electronic device by using one coil in the first coil group and one coil in the second coil group.
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公开(公告)号：US11218016B2
公开(公告)日：2022-01-04
申请号：US16916787
申请日：2020-06-30
Applicant: Samsung Electronics Co., Ltd.
Inventor： Youngmi Ha , Hansol Choi , Dongzo Kim , Byungwook Kim , Jaeho Song , Dongik Sin , Wooram Lee , Sungjoon Cho
Abstract: An electronic device and method are provided for frequency interference cancellation. The electronic device includes a coil, a wireless power receive circuit, a charging circuit, a display, and a processor. The processor may be configured to perform wireless charging with power wirelessly received from a wireless charger, change, via the charging circuit, a charging current of the electronic device from an initial current level to a first current level, based on the display being switched on during wireless charging, change, via the wireless power receive circuit, a charging voltage of the electronic device from an initial voltage level to a first voltage level, transmit, via the coil, a packet for changing a charging voltage of the wireless charger, change, via the wireless power receive circuit, the charging voltage of the electronic device to a second voltage level upon transmission of the packet, and change the charging current to the initial current level.
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公开(公告)号：US10958094B2
公开(公告)日：2021-03-23
申请号：US16263397
申请日：2019-01-31
Applicant: Samsung Electronics Co., Ltd.
Inventor： Byungyeol Choi , Seho Park , Yusu Kim , Kyungmin Park , Wooram Lee , Juhyang Lee , Yongsang Yun , Chihyun Cho
Abstract: An electronic device and a method for controlling the operation of the electronic device are provided. The electronic device includes a wireless power reception circuit, a wireless communication circuit, and a processor configured to control to receive first identity information through a first in-band communication channel using the wireless power reception circuit, establish a first out-of-band communication channel based on the first identity information while the first in-band communication channel is established, receive second identity information through a second in-band communication channel while the first out-of-band communication channel is established, disconnect, when the first out-of-band communication channel is established while the second in-band communication channel is established, the first out-of-band communication channel, and establish a second out-of-band communication channel automatically based on the second identity information.
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公开(公告)号：US10938239B2
公开(公告)日：2021-03-02
申请号：US16371690
申请日：2019-04-01
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：US12107443B2
公开(公告)日：2024-10-01
申请号：US17509263
申请日：2021-10-25
Applicant: Samsung Electronics Co., Ltd.
Inventor： Wooram Lee , Hyungjun Kwon , Yusu Kim , Kyungmin Park , Juhyang Lee , Byungyeol Choi
CPC classification number: H02J50/80 , H02J7/0031 , H02J50/10 , H02J50/12 , H02J50/60 , H04B5/79 , H04L5/0055 , H02J7/00304
Abstract: An electronic device may include a display, a power reception circuit, and a processor. The processor may perform wireless charging by receiving power wirelessly from an external electronic device through the power reception circuit, and receive data on one or more reasons to stop wireless charging from the external electronic device during the wireless charging. Also, the processor may transmit acknowledge (ACK) data to the external electronic device in response to receiving the data on the one or more reasons to stop wireless charging, and display, through the display, at least one reason to stop wireless charging included in the data on the one or more reasons to stop wireless charging. Other embodiments are possible.
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Patent Agency Ranking
公开(公告)号：US11881724B2
公开(公告)日：2024-01-23
申请号：US17198370
申请日：2021-03-11
Applicant: Samsung Electronics Co., Ltd.
Inventor： Mingi Song , Dohyeon Kim , Seho Park , Wooram Lee
CPC classification number: H02J50/402 , H02J50/12 , H02J50/60 , H02J50/80 , H02J2310/22
Abstract: Provided are a wireless charging device and method. The wireless charging device may include: a first group of coils; a second group of coils; and a processor. The processor may be configured to: transmit a first ping signal through the first group of coils and the second group of coils; sense a change in current, voltage, and/or frequency occurring in the first group of coils and the second group of coils in response to the first ping signal to detect that an electronic device is placed on the wireless charging device; select at least one coil from the first group of coils and at least one coil from the second group of coils at which the change is sensed; transmit a second ping signal through the selected coils; and wirelessly transmit power to the electronic device by using the selected coils. Various other embodiments are also disclosed.
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公开(公告)号：US11843256B2
公开(公告)日：2023-12-12
申请号：US17867016
申请日：2022-07-18
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yusu Kim , Dohyeon Kim , Byunghwa Park , Seho Park , Wooram Lee , Hyungkoo Chung
CPC classification number: H02J50/10 , H01F27/402 , H05K1/189 , H01F2027/406 , H05K2201/10151
Abstract: A wireless power transmission apparatus is provided. The wireless power transmission apparatus includes an upper housing, a lower housing coupled to the upper housing, a substrate disposed between the upper housing and the lower housing, a transmit coil disposed between the upper housing and the substrate and formed by being wound in the form of rotating on the substrate, at least one temperature sensor including a pattern resistor, a resistance numerical value which varies with temperature, and a flexible printed circuit board (FPCB) on which the at least one temperature sensor is disposed. The pattern resistor is disposed on the FPCB in a pattern of being wound in a first direction from any first point on the FPCB to any second point different from the any first point on the FPCB around a central portion of the FPCB and being rewound in a second direction opposite to the first direction.
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公开(公告)号：US11451074B2
公开(公告)日：2022-09-20
申请号：US16880260
申请日：2020-05-21
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：US11362542B2
公开(公告)日：2022-06-14
申请号：US16776035
申请日：2020-01-29
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kyungmin Park , Juhyang Lee , Hyunho Lee , Byungyeol Choi , Kangjun Ko , Yusu Kim , Hyundeok Seo , Mingi Song , Wooram Lee , Chihyun Cho
Abstract: An electronic device includes a housing including a first plate, a second plate spaced apart from the first plate and facing the first plate, and a side member at least partially surrounding a space between the first plate and the second plate, a display located in the space and visible through the first plate, a conductive coil parallel to the second plate and disposed between the display and the second plate, a wireless charging circuit electrically connected to the conductive coil, and a processor operationally connected with the display and the wireless charging circuit. The processor receives a power control signal from an external device, applies a charging current to the conductive coil, based on the power control signal, senses whether a specified event occurs while the charging current is applied, and when the specified event occurs, transmits information for setting a charging power corresponding to the specified event to the external device.
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公开(公告)号：US12015278B2
公开(公告)日：2024-06-18
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
CPC classification number: H02J50/12 , H02J7/00034 , H02J7/00714 , H02J50/10 , H02J50/80 , H02J50/90
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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