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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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2.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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3.发明授权公开(公告)号：US11064335B2
公开(公告)日：2021-07-13
申请号：US16622082
申请日：2018-06-12
Applicant: LG ELECTRONICS INC.
Inventor： Jingu Choi , Younghwan Kwon , Jonghyun Baik , Jonghun Song , Jinkwon Lim , Hangyu Cho
Abstract: The present invention relates to a method and an apparatus for transmitting or receiving, by a first manager apparatus, data for provision of a particular service in a mesh network of a wireless communication system. The present invention provides a method and an apparatus for: receiving, from a target apparatus, state information related to update of firmware for providing a particular service; transmitting a request message which requests update of firmware of the target apparatus on the basis of the state information; thereafter, selecting a particular channel from multiple channels for transmission of firmware data, wherein the multiple channels are channels configured to transmit or receive data having a predetermined size or larger; transmitting the firmware data through the particular channel; and receiving, from the target apparatus, a completion message which indicates completion of the update of the firmware, wherein the state information includes a version identifier which indicates the current version of the firmware.
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公开(公告)号：US10735467B2
公开(公告)日：2020-08-04
申请号：US15403639
申请日：2017-01-11
Applicant: LG ELECTRONICS INC.
Inventor： Hyunsik Yang , Younghwan Kwon , Jinkwon Lim
Abstract: The present invention relates to a method and an apparatus for controlling connection between a first device and a second device by a control device using Bluetooth LE (Low Energy). According to the present invention, there are provided a method and an apparatus for obtaining pairing information from the first device and the second device to generate information for establishing connection between the first device and the second device and transmitting the generated information to the first device and the second device to control the first device and the second device to establish connection of a predetermined security level or higher.
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公开(公告)号：US10182327B2
公开(公告)日：2019-01-15
申请号：US15560886
申请日：2016-03-23
Applicant: LG ELECTRONICS INC.
Inventor： Younghwan Kwon , Jinkwon Lim , Jingu Choi
Abstract: The present invention relates to a method and device for setting the role of a device in a Bluetooth mesh network. According to the present invention, a method and device are provided which: receive a write request message including settings information for setting the role of a first device from a control device; transmit a response message as a response to the write request; transmit an advertising message including role information set by the settings information to a second device; and transmit a first message including first information on the first device to the second device.
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Patent Agency Ranking
公开(公告)号：US10162769B2
公开(公告)日：2018-12-25
申请号：US15317902
申请日：2015-06-12
Applicant: LG ELECTRONICS INC.
Inventor： Hyunsik Yang , Hyeonjae Lee , Jangwoong Park , Dokyun Kim , Jinkwon Lim
Abstract: A method and device for transmitting and receiving data using HDMI (High-Definition Multimedia Interface) are disclosed. The method, if performed by a source device, includes: receiving a request from a sink device to transmit data processing capability information indicating whether the source device is capable of processing user-input data or not; transmitting the data processing capability information to the sink device; and receiving the user-input data from the sink device.
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7.发明授权公开(公告)号：US09955291B2
公开(公告)日：2018-04-24
申请号：US15406115
申请日：2017-01-13
Applicant: LG ELECTRONICS INC.
Inventor： Jingu Choi , Jangwoong Park , Younghwan Kwon , Taeyoung Song , Hyeonjae Lee , Jinkwon Lim
CPC classification number: H04W4/80 , H04W72/0406 , H04W84/18
Abstract: Disclosed is a method of a first device being controlled by a control device in a group including the first device and a plurality of devices in a Bluetooth mesh network and a device performing the method. The method includes joining the Bluetooth mesh network, receiving a control message instructing the execution of a specific operation from the control device, and performing the specific operation based on the control message. The specific operation may be sequentially performed by the first device and the plurality of devices.
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公开(公告)号：US12237697B2
公开(公告)日：2025-02-25
申请号：US17607973
申请日：2020-03-05
Applicant: LG Electronics Inc.
Inventor： Minsoo Lee , Jinkwon Lim , Jingu Choi
Abstract: The present specification relates to: a wireless power receiving device, which can receive information about a power class on the basis of out-band communications at a short distance before the wireless power receiving device is positioned at the charging position of a wireless power transmitting device, and negotiate power class; the wireless power transmitting device; a wireless power transmitting method; a wireless power receiving method; and a wireless power transmitting system. According to the present specification, whether power of the wireless power transmitting device (or a charger) is suitable for the wireless power receiving device (or a device to be charged) is quickly identified remotely or at a short distance prior to a wireless power transmission (or wireless charging), appropriate charging power is set through negotiation, and then wireless charging can be safely performed.
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9.发明授权公开(公告)号：US12095524B2
公开(公告)日：2024-09-17
申请号：US17296186
申请日：2019-08-06
Applicant: LG ELECTRONICS INC.
Inventor： Jingu Choi , Joonho Park , Jinkwon Lim , Yongcheol Park
CPC classification number: H04B5/0037 , H02J50/12 , H02J50/40 , H02J50/80 , H04B5/0031 , H04W36/00 , H04W76/10
Abstract: The present invention relates to a device and a method for performing wireless power transfer on the basis of heterogeneous communication. Disclosed in the present specification is a wireless power receiving device comprising: a power pickup unit configured to receive wireless power from a wireless power transfer device by magnetically coupling with the wireless power transfer device at an operating frequency, and convert an alternating current signal generated by the wireless power into a direct current signal; a communication/control unit configured to receive the direct current signal from the power pickup unit, and perform an in-band communication using the operating frequency and/or an out-band communication using a frequency other than the operating frequency; and a load configured to receive the direct current signal from the power pickup unit. Configuration information, control information and management information related to wireless power transfer, and procedures related to the exchange thereof are defined as an out-band communication protocol, and thus various applications of wireless power can be supported.
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公开(公告)号：US11903056B2
公开(公告)日：2024-02-13
申请号：US17595009
申请日：2020-05-11
Applicant: LG ELECTRONICS INC.
Inventor： Hyeonjae Lee , Jinkwon Lim , Taeyoung Song
CPC classification number: H04W76/14 , H04S3/008 , H04S7/30 , H04S2400/01
Abstract: In the present disclosure, a method comprising: receiving a first advertisement message for measuring a declination angle between devices; measuring each declination angle between a reference point set in the control device and positions of at least one device based on the first advertisement message, wherein the positions of the at least one device are respectively adjusted such that each declination angle satisfies a specific angle for receiving a voice signal, based on the measured respective declination angles; receiving each of a first voice signals based on the respective adjusted positions from the at least one device; and measuring a volume of the received first voice signal, respectively, wherein based on the measured volume, an audio signal output angle of the at least one device is adjusted such that an audio signal received by the control device is incident at right angles to the control device.
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