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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
发明人： Yusu Kim , Dohyeon Kim , Byunghwa Park , Seho Park , Wooram Lee , Hyungkoo Chung
CPC分类号： H02J50/10 , H01F27/402 , H05K1/189 , H01F2027/406 , H05K2201/10151
摘要： 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：US11575280B2
公开(公告)日：2023-02-07
申请号：US17106579
申请日：2020-11-30
发明人： Yusu Kim , Kyoungwon Kim , Kyounghoon Kim , Byungwook Kim , Jeongmin Moon , Kyungmin Park , Jungmin Lee , Juhyang Lee , Kuchul Jung , Sungjoon Cho , Chihyun Cho , Hansol Choi , Youngmi Ha , Yongsang Yun
摘要： According to various embodiments, an electronic device comprises a battery, a wireless interface including a coil and configured to wirelessly transmit electric power from the battery via the coil, and at least one processor configured to: perform a wireless charging function of wirelessly transmitting electric power to an external device via the wireless interface, while neither the electronic device nor the external device is being supplied with electric power from an external power source via a wire, and based on identifying that the external device starts being supplied with electric power from an external power source via a wire while performing the wireless charging function, stop performing the wireless charging function of wirelessly transmitting electric power to the external device.
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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
发明人： Kyungmin Park , Juhyang Lee , Hyunho Lee , Byungyeol Choi , Kangjun Ko , Yusu Kim , Hyundeok Seo , Mingi Song , Wooram Lee , Chihyun Cho
摘要： 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：US11177681B2
公开(公告)日：2021-11-16
申请号：US16663733
申请日：2019-10-25
发明人： Kyoungwon Kim , Yusu Kim , Kisun Lee , Minjung Park , Seho Park , Hangseok Choi , Yongsang Yun , Chihyun Cho
摘要： An electronic device according to various embodiments may include: a coil configured to receive a signal for wirelessly obtaining power from an external electronic device; a wireless power circuit (MFC) configured to output the signal received by the coil as a DC signal; a first capacitive voltage divider circuit configured to adjust the voltage of, and to output, power according to a first voltage division ratio; a second capacitive voltage divider circuit configured to adjust the voltage of, and to output, power according to a second voltage division ratio; a controller configured to control the electronic device to provide the DC signal to at least one capacitive voltage divider circuit among the first capacitive voltage divider circuit and the second capacitive voltage divider circuit, based on a voltage value of the signal received through the coil; and a battery configured to receive another signal output from the at least one capacitive voltage divider circuit, based on the provided DC signal, thereby obtaining power.
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公开(公告)号：US11115082B2
公开(公告)日：2021-09-07
申请号：US16315940
申请日：2017-03-28
发明人： Ju-Hyang Lee , Keumsu Song , Dongzo Kim , Yusu Kim , Seho Park , Jung-Oh Sung , Mincheol Ha , Changjong Son , Seung-Nyun Kim , Yong Sang Yun
IPC分类号： H04B5/00 , H02J50/12 , H02H9/04 , H02J50/70 , H02J50/80 , H02J50/90 , H02J50/10 , H01Q1/22 , H01Q1/24
摘要： According to one embodiment of the present invention, an electronic apparatus can comprises: at least one antenna; a first circuit for wirelessly receiving or transmitting power by using at least one part of the at least one antenna; a second circuit for performing at least one communication by using at least one part of the at least one antenna; a first electrical path for connecting the at least one antenna to the first circuit; a second electrical path for connecting the at least one antenna to the second circuit; a third electrical path for connecting a point on the first electrical path to a point on the second electrical path; and at least one passive element or active element connected to at least one of the first electrical path, the second electrical path, and the third electrical path.
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16.发明授权公开(公告)号：US12068613B2
公开(公告)日：2024-08-20
申请号：US17885336
申请日：2022-08-10
发明人： Yusu Kim , Yongsang Yun
CPC分类号： H02J50/10 , H02J7/0013 , H02J7/007 , H02J7/342 , H02J50/80 , H02J2207/20 , H02J2207/40
摘要： Various embodiments of the disclosure relate to an electronic device and method that increases the efficiency of power supplying of a wireless charging circuit. The processor may perform a wireless power sharing function, may identify the type of an external device aligned with a coil of the electronic device, may supply a designated first power to a wireless charging integrated circuit of the electronic device in the case in which the external device is a first device, the first device being a device that requests a voltage higher than a reference voltage level, may control the wireless charging IC to generate a current of the coil based on the first power, may activate a path that directly connects a battery of the electronic device and the wireless charging IC, and may supply a second power lower than the first power to the wireless charging IC via the path.
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公开(公告)号：US11942800B2
公开(公告)日：2024-03-26
申请号：US17284625
申请日：2019-10-08
发明人： Yongsang Yun , Chihyun Cho , Yusu Kim
CPC分类号： H02J50/80 , H02J7/00045 , H02J50/10 , H02J7/00034 , H02J2310/22
摘要： Various embodiments of the present invention relate to wireless power transfer (WPT). An electronic device comprises a battery, a charging circuit for controlling a charging state of the battery, a coil, a wireless power transfer circuit electrically connected to the coil, and a control circuit, wherein the control circuit may be configured to: check a state related to charging of the battery; transfer a wireless charging parameter related to generation or modification of a power signal for transferring to an external electronic device via the coil, which is determined at least on the basis of the state related to charging of the battery; receive a response signal corresponding to the transfer of the wireless charging parameter from the external electronic device; generate, on the basis of the response signal, a power signal corresponding to the amount of wireless transmission power determined at least on the basis of the response signal by using the wireless power transfer circuit; and transfer the power signal to the external electronic device through the coil. In addition, various embodiments are possible.
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公开(公告)号：US11658703B2
公开(公告)日：2023-05-23
申请号：US17745221
申请日：2022-05-16
发明人： Seho Park , Kyoungwon Kim , Yusu Kim , Yongsang Yun , Chihyun Cho
CPC分类号： H04B5/0037 , H02J7/0063 , H02J50/10 , H02J50/80 , H04B1/04 , H04B1/16 , H04B5/0081 , H04L27/04 , H04L27/12
摘要： Electronic device and method for driving electronic device. The electronic device includes battery, power management integrated circuit (PMIC) configured to control charging status of battery, coil, wireless power circuit electrically connected to coil, communication circuit electrically connected to coil, and processor, wherein processor is configured to, when the wireless power circuit is in a transmission (Tx) mode, transmit a wireless power signal through the coil by using the wireless power circuit, and transmit a signal obtained by frequency shift keying (FSK)-modulating a transmission device parameter by using the communication circuit, to an external electronic device through the coil, and when the wireless power circuit is in a reception (Rx) mode, receive wireless power by using the wireless power circuit to charge the battery, and transmit a signal obtained by amplitude shift keying (ASK)-modulating a reception device parameter by using the communication circuit, to the external electronic device through the coil.
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公开(公告)号：US11411432B2
公开(公告)日：2022-08-09
申请号：US16754412
申请日：2018-10-01
发明人： Ju-Hyang Lee , Yusu Kim , Kyungmin Park , Wooram Lee , Jung-Min Lee
摘要： An electronic device according to various embodiments of the present invention comprises a wireless power reception circuit and a processor, wherein the processor can be set so as to receive power transmitted from an external electronic device by using the wireless power reception circuit, detect a state related with the reception during the reception of the power, and disable at least a part of the wireless power reception circuit such that the external electronic device stops the transmission when the state satisfies a designated condition. Other examples are also possible.
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公开(公告)号：US11159064B2
公开(公告)日：2021-10-26
申请号：US16246726
申请日：2019-01-14
发明人： Wooram Lee , Hyungjun Kwon , Yusu Kim , Kyungmin Park , Juhyang Lee , Byungyeol Choi
摘要： 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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