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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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公开(公告)号：US11527922B2
公开(公告)日：2022-12-13
申请号：US16573329
申请日：2019-09-17
发明人： Wooram Lee , Seho Park , Yusu Kim , Kyungmin Park , Juhyang Lee , Byungyeol Choi
摘要： A wireless power transmitter is provided. The wireless power transmitter includes an inverter configured to output alternating current (AC) power using direct current (DC) power, a coil configured to receive the AC power, and a control circuitry, wherein the control circuitry is configured to identify an input associated with transmitting the AC power, output the AC power at a specified frequency determined according to the input, using the inverter, transmit the AC power to an external electronic device using the coil, and, while at least partially transmitting the AC power to the external electronic device, transmit information associated with an amount of the DC power input to the inverter to output the AC power to the external electronic device, such that the external electronic device identifies transmission efficiency of the AC power using the information associated with the amount of DC power.
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3.发明授权公开(公告)号：US11336121B2
公开(公告)日：2022-05-17
申请号：US16756774
申请日：2018-08-16
发明人： Seho Park , Yusu Kim , Juhyang Lee , Yongsang Yun , Chihyun Cho
摘要： Provided in various embodiments are an electronic device for receiving wireless power and an operating method of the electronic device, the electronic device comprising: a power receiving circuit including a wireless coil for receiving power from an external electronic device and a rectifying circuit for converting, into a direct current signal, an electric signal received from the external electronic device; a sensing circuit for determining a state of the electronic device by checking a signal applied to the wireless power receiving circuit by means of the external electronic device; and a processor, wherein the processor can be set so as to receive an output signal of the sensing circuit and control, on the basis of the output signal, a gate voltage of at least one field effect transistor (FET) element connected to an input terminal of the rectifying circuit. Other various embodiments are possible.
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公开(公告)号：US10855099B2
公开(公告)日：2020-12-01
申请号：US16653469
申请日：2019-10-15
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：US20200266661A1
公开(公告)日：2020-08-20
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：US11569686B2
公开(公告)日：2023-01-31
申请号：US16794649
申请日：2020-02-19
发明人： Juhyang Lee , Kyungmin Park , Yusu Kim , Hyundeok Seo , Hyunho Lee , Byungyeol Choi , Chihyun Cho
摘要： An electronic device includes a display, a conductive coil, a wireless charging circuit electrically connected to the conductive coil, a power management circuit, a battery; and a processor, wherein the processor may be configured to control the electronic device to: measure a current flowing from the power management circuit to the wireless charging circuit while power is transferred to an external device through the conductive coil, and adjust the power transferred to the external device through the conductive coil based on a part of a power amount preset in a signal requesting addition of power based on a value of the current being between a first threshold value and a second threshold value greater than the first threshold value.
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公开(公告)号：US11411443B2
公开(公告)日：2022-08-09
申请号：US17288624
申请日：2019-10-25
发明人： Kyoungwon Kim , Yusu Kim , Kyungmin Park , Juhyang Lee , Byungyeol Choi
摘要： An electronic device according to various embodiments may be configured to cause a control circuit to: control a first switch, a second switch, or a combination of the first switch and the second switch, in order to electrically connect a ground terminal to a first capacitor, a second capacitor, or a combination of the first capacitor and the second capacitor, while the electronic device operates in a first mode for providing power to a first external electronic device; control the first switch and the second switch in order to electrically disconnect the first capacitor and the second capacitor from the ground terminal, and control the third switch in order to control a path of an electrical signal which passes through the fourth capacitor, while the electronic device operates in a second mode for acquiring power from a second external electronic device.
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公开(公告)号：US11322993B2
公开(公告)日：2022-05-03
申请号：US16749063
申请日：2020-01-22
发明人： Jungmin Lee , Sungjoon Cho , Hansol Choi , Youngmi Ha , Kyounghoon Kim , Byungwook Kim , Yusu Kim , Kyungmin Park , Jaesung Lee , Juhyang Lee
摘要： An electronic device including a battery, a wireless interface operatively or electrically connected with the battery, a display, a memory, and a processor, wherein the processor is configured to: detect an event while the electronic device is in contact with or is connected to another electronic device via the wireless interface and wirelessly charging-shares power of the battery with the another electronic device via the wireless interface; turn off a wireless charging-sharing function when the event corresponds to a predetermined condition; provide a user notification about the turning-off of the wireless charging-sharing function via the display; and turn on the wireless charging-sharing function when a state of the electronic device corresponds to a wireless charging-sharing condition. The various embodiments also a method of operating the electronic device. Various embodiments are also possible.
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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
发明人： Byungyeol Choi , Seho Park , Yusu Kim , Kyungmin Park , Wooram Lee , Juhyang Lee , Yongsang Yun , Chihyun Cho
摘要： 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：US12107443B2
公开(公告)日：2024-10-01
申请号：US17509263
申请日：2021-10-25
发明人： Wooram Lee , Hyungjun Kwon , Yusu Kim , Kyungmin Park , Juhyang Lee , Byungyeol Choi
CPC分类号： H02J50/80 , H02J7/0031 , H02J50/10 , H02J50/12 , H02J50/60 , H04B5/79 , H04L5/0055 , H02J7/00304
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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