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公开(公告)号：US20190229771A1
公开(公告)日：2019-07-25
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
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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公开(公告)号：US20220278552A1
公开(公告)日：2022-09-01
申请号：US17745221
申请日：2022-05-16
发明人： Seho PARK , Kyoungwon KIM , Yusu KIM , Yongsang YUN , Chihyun CHO
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：US20210399591A1
公开(公告)日：2021-12-23
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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4.发明申请公开(公告)号：US20210194285A1
公开(公告)日：2021-06-24
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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5.发明申请公开(公告)号：US20200185979A1
公开(公告)日：2020-06-11
申请号：US16705357
申请日：2019-12-06
发明人： Kyungmin PARK , Kyoungwon KIM , Yusu KIM , Wooram LEE , Juhyang LEE , Byungyeol CHOI
摘要： Disclosed is an electronic device. A wireless power transferring device includes a first interface comprising interface circuitry, a conversion circuit, a coil, and a control circuit. The control circuit is configured to control the device to communicate with the power supply device to identify maximum supply power of the power supply device and set maximum transfer power to the maximum supply power or less based on the power supply device being connected to the first interface, to generate the transfer power based on power supplied from the power supply device using the conversion circuit, to transfer the generated transfer power to a wireless power receiving device using the coil, to determine whether the request is for power adjustment exceeding the maximum transfer power based on receiving a request for power adjustment from the wireless power receiving device, to adjust the transfer power using the conversion circuit in response to the request based on the request not being for power adjustment exceeding the maximum transfer power, and to ignore the request to adjust the transfer power based on the request for power adjustment exceeding the maximum transfer power.
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公开(公告)号：US20220077722A1
公开(公告)日：2022-03-10
申请号：US17428908
申请日：2020-01-23
发明人： Hyundeok SEO , Byunghwa PARK , Kyungmin PARK , Juhyang LEE , Hyunho LEE , Byungyeol CHOI , Yusu KIM , Chihyun CHO
摘要： An electronic device may comprise: a battery; a charging circuit; a wireless power receiver circuit configured to acquire transmitted power wirelessly output from an external electronic device; and a processor. The processor may be configured to control the electronic device to: charge the battery through the charging circuit using received power acquired through the wireless power receiver circuit; identify at least one piece of information related to the charging, while the charging operation is performed; transmit a designated signal corresponding to suspension of the transmitted power to the external electronic device such that the external electronic device enters a wireless charging standby mode, in which the external electronic device holds the operation of outputting the transmitted power, at least partially based on the at least one piece of information; identify first situation information regarding the electronic device during the wireless charging standby mode; identify second situation information regarding the electronic device, in response to identifying the first situation information; and sense the electronic device being detached from the external electronic device based on the electronic device corresponding to the first situation information and the second situation information.
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公开(公告)号：US20210399590A1
公开(公告)日：2021-12-23
申请号：US17284625
申请日：2019-10-08
发明人： Yongsang YUN , Chihyun CHO , Yusu KIM
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：US20200266650A1
公开(公告)日：2020-08-20
申请号：US16698741
申请日：2019-11-27
发明人： Sungjoon CHO , Jungmin LEE , Hansol CHOI , Youngmi HA , Yusu KIM , Kyungmin PARK , Juhyang LEE
摘要： An electronic device includes a wireless charging coil, a wireless charging circuit, a power management module, a battery, and a processor. The processor is configured to control to receive first information from an external electronic device while transmitting wireless charging power to the external electronic device through the wireless charging circuit, to control, in response to receiving the first information, the wireless charging circuit to stop transmission of the wireless charging power and operate in a state of transmitting and receiving a ping signal, to check whether a predetermined time has elapsed since the transmission of the wireless charging power is stopped, and to control, in response to elapse of the predetermined time, the wireless charging circuit to retransmit the wireless charging power to the external electronic device. Other embodiments are possible.
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公开(公告)号：US20200119581A1
公开(公告)日：2020-04-16
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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10.发明申请公开(公告)号：US20200036212A1
公开(公告)日：2020-01-30
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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