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公开(公告)号：US11412555B2
公开(公告)日：2022-08-09
申请号：US16606905
申请日：2019-07-23
Applicant: LG ELECTRONICS INC.
Inventor： Jaehyu Kim , Taeyoung Song , Jonghun Song , Minsoo Lee
Abstract: Disclosed is a mobile terminal comprising: a communication unit for communicating with a plurality of target devices in a Bluetooth Low Energy (BLE) manner; a camera for capturing an image; and a controller configured for: receiving a plurality of advertisement information respectively including a plurality of shape information of the plurality of target devices from the plurality of target devices; and when first and second target devices among the plurality of target devices have the same shape information and when a distance of the first target device is equal to a distance of the second target device, activating a connection between the mobile terminal and the first target device based on an operation of at least one of the first target device or the second target device.
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公开(公告)号：US12081289B2
公开(公告)日：2024-09-03
申请号：US17616535
申请日：2020-01-30
Applicant: LG Electronics Inc.
Inventor： Jingu Choi , Jinkwon Lim , Minsoo Lee , Joonho Park , Jaehyu Kim , Yongcheol Park
Abstract: The present invention relates to an access control method and device in a wireless power transmission system. A wireless power transmission device comprises: a power conversion circuit configured to have a plurality of primary coils and transmit wireless power to a wireless power reception device by using the primary coil which has formed magnetic coupling to the wireless power reception device at an operating frequency; and a communication/control circuit configured to perform in-band communication with the wireless power reception device by using the operating frequency and perform out-band communication with the wireless power reception device by using a frequency other than the operating frequency, wherein the communication/control circuit can transmit information for notifying whether or not connection to the wireless power reception device is possible by using the out-band communication.
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3.发明授权公开(公告)号：US11941967B2
公开(公告)日：2024-03-26
申请号：US17794894
申请日：2020-01-29
Applicant: LG ELECTRONICS INC.
Inventor： Jinkwon Lim , Minsoo Lee , Jingu Choi , Jaehyu Kim
Abstract: The present specification relates to a wireless power transmission device, a wireless power reception device, a wireless power transmission method, a wireless power reception method, and a wireless power transmission system, wherein, when a wireless charging error is determined to have occurred during wireless charging between the wireless charging transmission device and the wireless power reception device, the wireless power transmission device transmits a broadcasting alarm message on the basis of out-of-band communication, the wireless power reception device receives the broadcasting alarm message, and the wireless power reception device can, upon receiving the broadcasting alarm message, transmit the alarm message to a Bluetooth device connected to the wireless power reception device.
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公开(公告)号：US12113790B2
公开(公告)日：2024-10-08
申请号：US17626282
申请日：2020-07-13
Applicant: LG ELECTRONICS INC.
Inventor： Jaehyu Kim , Jingu Choi , Minsoo Lee , Jinkwon Lim
CPC classification number: H04L63/0869 , H02J50/10 , H02J50/40 , H02J50/80 , H04L9/3247 , H04L9/3265 , H04L9/3297 , H04L63/102 , H04L63/123 , H04W12/06
Abstract: According to one embodiment of the present specification, a method for performing authentication between an authentication initiator and an authentication responder in a wireless power transmission system comprises the steps in which: the authentication initiator transmits an initiator certificate chain and an initiator signature to the authentication responder; the authentication initiator receives a responder certificate chain and a responder signature from the authentication responder who has authenticated the authentication initiator by verifying the initiator signature information; and the authentication initiator verifies the responder signature to authenticate the authentication responder.
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5.发明申请公开(公告)号：US20230059601A1
公开(公告)日：2023-02-23
申请号：US17794894
申请日：2020-01-29
Applicant: LG ELECTRONICS INC.
Inventor： Jinkwon Lim , Minsoo Lee , Jingu Choi , Jaehyu Kim
Abstract: The present specification relates to a wireless power transmission device, a wireless power reception device, a wireless power transmission method, a wireless power reception method, and a wireless power transmission system, wherein, when a wireless charging error is determined to have occurred during wireless charging between the wireless charging transmission device and the wireless power reception device, the wireless power transmission device transmits a broadcasting alarm message on the basis of out-of-band communication, the wireless power reception device receives the broadcasting alarm message, and the wireless power reception device can, upon receiving the broadcasting alarm message, transmit the alarm message to a Bluetooth device connected to the wireless power reception device.
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Patent Agency Ranking
公开(公告)号：US12095525B2
公开(公告)日：2024-09-17
申请号：US17436450
申请日：2020-01-14
Applicant: LG Electronics Inc.
Inventor： Minsoo Lee , Jaehyu Kim , Jinkwon Lim , Jingu Choi
Abstract: According to one aspect of the present disclosure, a wireless power receiver for receiving wireless power on the basis of out-band communication is provided. The receiver comprises: a power pick-up circuit configured to receive wireless power from a wireless power transmitter at an operating frequency; and a communication/control circuit configured to perform at least one of in-band communication using the operating frequency and out-band communication using a frequency other than the operating frequency. Here, on the basis of at least one of the received voltage in the power pick-up circuit and a received signal strength indicator (RSSI) of a first signal related to the out-band communication, the communication/control circuit may perform a power interruption procedure for interrupting transmission of the wireless power and a disconnection procedure for releasing the connection of the out-band communication.
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公开(公告)号：US11941602B2
公开(公告)日：2024-03-26
申请号：US17597504
申请日：2020-06-29
Applicant: LG ELECTRONICS INC.
Inventor： Jinkwon Lim , Minsoo Lee , Jingu Choi , Joonho Park , Jaehyu Kim , Yongcheol Park
Abstract: According to an aspect of the present invention, a wireless power reception device includes: a power pick-up circuit which is configured to form magnetic coupling with a wireless power transmission device and receive wireless power from the wireless power transmission device; and a communication/control circuit which is configured to perform at least one among control of the transmission of the wireless power and data transmission and reception on the basis of communication with the wireless power transmission device, wherein the communication/control circuit can receive a check message for checking payment information from the wireless power transmission device and perform a payment procedure for wireless power transmission, and can provide a user interface related to information for the payment procedure.
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8.发明授权公开(公告)号：US11870271B2
公开(公告)日：2024-01-09
申请号：US17310829
申请日：2020-01-29
Applicant: LG ELECTRONICS INC.
Inventor： Jaehyu Kim , Jingu Choi , Minsoo Lee , Jinkwon Lim
Abstract: The present specification relates to a wireless power transmission apparatus and a wireless power reception apparatus, which can transmit and update firmware of the wireless power transmission apparatus through out-band communication between the wireless power transmission apparatus and the wireless power reception apparatus, and to firmware updating of the wireless power transmission apparatus using out-band communication.
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9.发明授权公开(公告)号：US12206258B2
公开(公告)日：2025-01-21
申请号：US17432322
申请日：2019-07-30
Applicant: LG Electronics Inc.
Inventor： Jinkwon Lim , Jaehyu Kim , Yongcheol Park , Joonho Park , Taeyoung Song , Jingu Choi
Abstract: Disclosed in the present specification is a wireless power reception device comprising: a power pickup unit configured to receive wireless power from a wireless power transmission device by means of magnetic coupling with the wireless power transmission device at an operational frequency and convert an alternating current signal generated by the wireless power into a direct current signal; a battery configured to receive the direct current signal from the power pickup unit; and a communication/control unit configured to receive the direct current signal from the power pickup unit, perform a handover procedure from in-band communication using the operational frequency to out-band communication using a frequency other than the operational frequency, perform a procedure for selecting a priority display device on which charging status information about the battery is to be displayed through the out-band communication with the wireless power transmission device, and generate the charging status information.
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10.发明授权公开(公告)号：US12119673B2
公开(公告)日：2024-10-15
申请号：US17310168
申请日：2019-10-16
Applicant: LG ELECTRONICS INC.
Inventor： Jaehyu Kim , Jingu Choi , Minsoo Lee , Jinkwon Lim
Abstract: The present disclosure relates to a device and a method for performing wireless power transmission on the basis of authentication. A wireless power receiver according to the present specification comprises a communication/control circuit for performing an authentication procedure on the basis of out-band communication, wherein the out-band communication is Bluetooth low energy (BLE) communication, and the communication/control circuit performs the authentication procedure on the basis of a logical link control and adaptation protocol (L2CAP) or a generic attribute profile (GATT) of the BLE communication. The present disclosure defines an authentication procedure or authentication messages of a wireless transmission device or a wireless reception device by using an out-band communication protocol, and thus can support various applications of wireless power.
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