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公开(公告)号：US10396605B2
公开(公告)日：2019-08-27
申请号：US16135960
申请日：2018-09-19
Applicant: LG ELECTRONICS INC.
Inventor： Yongcheol Park
Abstract: A method of wireless power transfer, by a power transfer transferring power to a plurality of power receivers, includes a selection phase for detecting each of the plurality of power receivers and transmitting a digital ping to each of the plurality of power receivers, an introduction phase for receiving a request from each of the plurality of power receivers for a free slot, a configuration phase for providing a series of locked slots to each of the plurality of power receivers, a negotiation phase for receiving at least one negotiation data packet from each of the plurality of power receivers using the series of locked slots, a power transfer phase for transferring power to each of the plurality of power receivers, and a renegotiation phase for returning to the negotiation phase.
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公开(公告)号：US10291068B2
公开(公告)日：2019-05-14
申请号：US15313410
申请日：2015-07-06
Applicant: LG ELECTRONICS INC.
Inventor： Yongcheol Park
Abstract: A wireless power transmitter is provided which performs communication with a wireless power receiver through multiple slots. The wireless power transmitter comprises: a power converter consisting of at least one coil to convert a current into a magnetic field; and a power transmission controller that receives information associated with a power transfer phase from the wireless power receiver through at least one of the multiple slots, during the transfer of power to the wireless power receiver through the power converter, wherein the information associated with the power transfer phase contains a slot number assigned to the wireless power receiver.
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公开(公告)号：US10193398B2
公开(公告)日：2019-01-29
申请号：US15109098
申请日：2015-02-06
Applicant: LG ELECTRONICS INC.
Inventor： Yongcheol Park , Hyunbeom Lee
Abstract: The present disclosure relates to a wireless power transmission and reception method, a wireless power transmission and reception apparatus, and a wireless charging system in a wireless power transmission and reception field, and the method may include sensing whether or not there exists a wireless power receiver within a range capable of transmitting power in a wireless manner, sending a detection signal to the wireless power receiver, allowing the wireless power receiver to receive at least one of an identification packet and a setting packet transmitted in a first mode, determining whether or not to perform communication in either one of the first mode and a second mode different from the first mode based on the setting packet, and transmitting power to the wireless power receiver while performing communication in the determined either one mode, wherein the setting packet comprises an operation mode indicating a communication execution mode of the wireless power receiver.
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74.发明授权公开(公告)号：US09923408B2
公开(公告)日：2018-03-20
申请号：US15277745
申请日：2016-09-27
Applicant: LG ELECTRONICS INC.
Inventor： Hyunbeom Lee , Jaesung Lee , Yongcheol Park , Jeongkyo Seo
CPC classification number: H02J7/025 , H02J50/12 , H02J50/80 , H04B5/0037 , H04B5/0081
Abstract: This specification provides a method for deciding a communication protocol between a wireless power transmitter and a wireless power receiver. To this end, a method for deciding a communication protocol by the wireless power receiver for data transmission or reception with the wireless power transmitter includes transmitting first communication protocol information indicating communication protocols supportable by the wireless power receiver itself to the wireless power transmitter, and deciding a communication protocol for the data transmission or data reception based on second communication protocol information, which indicates communication protocols selected based on the first communication protocol information, when the second communication protocol information is received from the wireless power transmitter.
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75.发明申请WIRELESS POWER TRANSFER METHOD, APPARATUS AND SYSTEM FOR LOW AND MEDIUM POWER 审中-公开无线电力传输方法，低功率和中等功率的装置和系统公开(公告)号：US20160172895A1
公开(公告)日：2016-06-16
申请号：US15018946
申请日：2016-02-09
Applicant: LG ELECTRONICS INC.
Inventor： Jihyun Lee , Hyunbeom Lee , Yongcheol Park , Jaesung Lee
CPC classification number: H02J7/025 , H01F38/14 , H02J5/005 , H02J7/042 , H02J17/00 , H02J50/10 , H02J50/12 , H02J50/80 , H02J50/90 , H04B5/0037
Abstract: A wireless power transfer method for a wireless power transfer apparatus using full and half-bridge inverter topologies includes detecting whether or not a wireless power receiver is present within a range of power being transferrable in a wireless manner, transmitting a detection signal to the wireless power receiver, receiving at least one of identification information and setting information from the wireless power receiver, receiving a control error packet from the wireless power receiver, and controlling an amount of power to be transferred by using the combination of a driving frequency, a duty cycle or a power signal phase to the full or half-bridge inverter.
Abstract translation: 一种使用全半桥逆变器拓扑结构的无线功率传输装置的无线功率传输方法，包括：检测在无线传输方式的功率范围内是否存在无线电力接收机，向无线电力发送检测信号 接收器，从无线电力接收器接收识别信息和设置信息中的至少一个，从无线电力接收器接收控制错误分组，并且通过使用驱动频率，占空比的组合来控制要传送的功率量 或电源信号相位到全桥或半桥逆变器。
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Patent Agency Ranking
公开(公告)号：US12230972B2
公开(公告)日：2025-02-18
申请号：US18299793
申请日：2023-04-13
Applicant: LG ELECTRONICS INC.
Inventor： Yongcheol Park
Abstract: A method for transferring, by a wireless power transmitter, wireless power, the method including performing digital ping in a ping phase; receiving a configuration packet of a wireless power receiver in a configuration phase after the ping phase; performing a negotiation of a power transfer contract in a negotiation phase after the configuration phase; and transferring the wireless power to the power receiver based on the power transfer contract in a power transfer phase after the negotiation phase, wherein the configuration packet includes a negotiation field, wherein the negotiation field related to whether the negotiation phase is supported is composed of 1 bit, wherein the configuration packet includes a out-of-band field, wherein the out-of-band field is composed of 1 bit, and wherein, based on the out-of-band field having a value of 1, the out-of-band field indicates that the wireless power receiver supports out-of-band communication, and based on the out-of-band field having a value of 0, the out-of-band field indicates that the wireless power receiver does not support the out-of-band communication.
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公开(公告)号：US12213054B2
公开(公告)日：2025-01-28
申请号：US17594827
申请日：2020-04-29
Applicant: LG ELECTRONICS INC.
Inventor： Jinkwon Lim , Minsoo Lee , Jingu Choi , Taeyoung Song , Joonho Park , Yongcheol Park
Abstract: A wireless power reception device according to an embodiment of the present specification comprises: a power pickup circuit configured to receive wireless power from a wireless power transmission device by magnetic coupling with the wireless power transmission device at an operating frequency, and convert an AC signal generated by the wireless power into a DC signal; and a communication/control circuit for communicating with the wireless power transmission device by using in-band communication using the operation frequency and out-band communication using a frequency other than the operation frequency, wherein the communication/control circuit transmits access information of a Wi-Fi network connected to the wireless power reception device, to the wireless power transmission device by using the out-band communication.
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公开(公告)号：US12095289B2
公开(公告)日：2024-09-17
申请号：US17431253
申请日：2019-10-16
Applicant: LG Electronics Inc.
Inventor： Jingu Choi , Jinkwon Lim , Taeyoung Song , Yongcheol Park , Joonho Park
Abstract: A wireless power receiver may comprise: a power pick-up circuit configured to receive power wirelessly from a wireless power transmitter including a plurality of primary coils by magnetic coupling to the wireless power transmitter at an operating frequency and to convert an alternating current signal induced by the wireless power into a direct current signal; a communication/control circuit receiving the direct current signal supplied from the power pick-up circuit and including an in-band communication module which communicates with the wireless power transmitter by using the operating frequency, and an out-band communication module which communicates with the wireless power transmitter by using any frequency except for the operating frequency; and a load configured to receive the direct current signal supplied from the power pick-up circuit, wherein the communication/control circuit transmits a message informing of the start of power allocation negotiation, to other wireless power receivers by using the out-band communication module.
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公开(公告)号：US12088122B2
公开(公告)日：2024-09-10
申请号：US17915462
申请日：2021-02-08
Applicant: LG ELECTRONICS INC.
Inventor： Yongcheol Park
Abstract: A wireless power transmission device according to one embodiment of the present specification transmits wireless power to a wireless power reception device, and comprises: a power conversion circuit that transmits the wireless power to the wireless power reception device; and a communication/control circuit that communicates with the wireless power reception device and controls the wireless power, wherein the communication/control circuit transmits, to the wireless power reception device, a data packet comprising information on a number of slots and the length of the slots, for performing detection of foreign substances using the slots.
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公开(公告)号：US12081042B2
公开(公告)日：2024-09-03
申请号：US17799813
申请日：2021-02-17
Applicant: LG ELECTRONICS INC.
Inventor： Yongcheol Park , Gyunghwan Yook , Jinho Youn
CPC classification number: H02J50/80 , H04L69/24 , H02J50/10 , H02J50/402
Abstract: A wireless power reception device according to an embodiment of the present document comprises: a power pickup circuit which receives wireless power from a wireless power transmission device; and a communication/control circuit which communicates with the wireless power transmission device and controls the wireless power, wherein the communication/control circuit may transmit and receive application-level messages with the wireless power transmission device by using a data transport stream including an auxiliary data control (ADC) packet and a plurality of continuous auxiliary data transmission (ADT) packets, and transmits a data packet including information about the maximum size of the ADT packet to the wireless power transmission device.
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