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公开(公告)号：US20240195229A1
公开(公告)日：2024-06-13
申请号：US18584418
申请日：2024-02-22
Applicant: Samsung Electronics Co., Ltd.
Inventor： Wooram LEE , Yusu KIM
CPC classification number: H02J50/60 , G06V40/10 , H02J50/12 , H02J50/80 , G01R29/0878
Abstract: A power receiving device comprises: a camera; a coil configured to resonate at a designated frequency; a power receiving circuit configured to rectify a power signal received from a power transmitting device through the coil; a wireless communication circuit for wireless communication with the power transmitting device; at least one processor, comprising processing circuitry, electrically connected to the camera, the coil, the power receiving circuit, and the wireless communication circuit; and a memory connected to the processor. At least one processor, individually and/or collectively, is configured to: receive identification information for identifying the exterior of the power transmitting device from the power transmitting device through the wireless communication circuit; receive first notification information to notify the proximity of an object from the power transmitting device through the wireless communication circuit; identifying a first object corresponding to the power transmitting device, based on the identification information, from an image received from the camera, in response to receiving the first notification information; determine whether a second object corresponding to a human body exists in the image; and transmit second notification information indicating that the approaching object is a human body, to the power transmitting device through the wireless communication circuit, based on the first object being identified from the image, and based on the second object being deemed to exist in the image.
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公开(公告)号：US20230402878A1
公开(公告)日：2023-12-14
申请号：US18450759
申请日：2023-08-16
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yusu KIM , Byunghwa PARK
Abstract: An electronic device is provided. The electronic device includes a wireless charging circuit and a processor operatively connected to the wireless charging circuit, wherein the processor is configured to wireless receive power wireless from an external device through the wireless charging circuit on the basis of a first wireless charging mode using a first frequency, detect a second frequency rather than the first frequency through the wireless charging circuit, and determine, in response to detecting the second frequency, whether to change the charging mode from the first wireless charging mode to a second wireless charging mode, based on at least one of a wireless charging efficiency or an output voltage of the electronic device.
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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
Applicant: Samsung Electronics Co., Ltd.
Inventor： Ju-Hyang LEE , Keumsu SONG , Dongzo KIM , Yusu KIM , Seho PARK , Jung-Oh SUNG , Mincheol HA , Changjong SON , Seung-Nyun KIM , Yong Sang YUN
Abstract: 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：US20240364140A1
公开(公告)日：2024-10-31
申请号：US18768749
申请日：2024-07-10
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yusu KIM
CPC classification number: H02J50/60 , H02J7/00712 , H02J50/12 , H02J50/80 , H02J2207/20
Abstract: A wireless power transmission apparatus is provided. The apparatus includes a converter configured to perform a DC/DC power conversion operation, an inverter connected to the converter and configured to perform an AC/DC power conversion operation, a coil connected to the inverter, memory storing one or more computer programs, and one or more processors communicatively coupled to the converter, the inverter, the coil, and the memory, wherein the one or more computer programs include computer-executable instructions that, when executed by the one or more processors individually or collectively, cause the wireless power transmission device to control the inverter to transmit first power of a first frequency through the coil, compare a first current input to the inverter through the converter with a reference value while the first power is transmitted, identify whether a packet from the outside is identified based on the first current being greater than the reference value, control the inverter to transmit second power having a second frequency lower than the first frequency through the coil based on the packet not being identified while the first power is transmitted, identify whether the packet is identified based on the second current being larger than the reference value, and identify that a foreign material is present, based on the packet not being identified while the second power is transmitted.
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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
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyundeok SEO , Byunghwa PARK , Kyungmin PARK , Juhyang LEE , Hyunho LEE , Byungyeol CHOI , Yusu KIM , Chihyun CHO
Abstract: 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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Patent Agency Ranking
公开(公告)号：US20210399590A1
公开(公告)日：2021-12-23
申请号：US17284625
申请日：2019-10-08
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yongsang YUN , Chihyun CHO , Yusu KIM
Abstract: 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
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sungjoon CHO , Jungmin LEE , Hansol CHOI , Youngmi HA , Yusu KIM , Kyungmin PARK , Juhyang LEE
Abstract: 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
Applicant: Samsung Electronics Co., Ltd.
Inventor： 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
Abstract: 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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9.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
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：US20240322598A1
公开(公告)日：2024-09-26
申请号：US18732349
申请日：2024-06-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dohyeon KIM , Yusu KIM
CPC classification number: H02J50/10 , H02J7/00712 , H02J50/80
Abstract: An electronic device is configured to enable a power transmission circuit to transmit a first signal to an external electronic device through the charging coil by using a driving signal having a first frequency, to identify whether information indicating a modulation depth of a voltage output from a rectifier circuit of the external electronic device is received from the external electronic device, and to determine whether to adjust the frequency of the driving signal from the first frequency to a second frequency different from the first frequency, based on whether the information is received.
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