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公开(公告)号：US20230261528A1
公开(公告)日：2023-08-17
申请号：US18003964
申请日：2021-07-02
Applicant: LG ELECTRONICS INC.
Inventor： Yongcheol PARK , Minsoo LEE , Jingu CHOI , Gyunghwan YOOK , Jinho YOUN
CPC classification number: H02J50/80 , H04B5/0037 , H02J50/40
Abstract: A wireless power reception apparatus according to an embodiment of the present specification transmits wireless charging packets, which can be transmitted using in-band communication, using a Bluetooth packet used in Bluetooth communication, through the Bluetooth communication, wherein, in connection with first wireless charging packets among the wireless charging packets, multiple first wireless charging packets are included in one Bluetooth packet and then transmitted through the Bluetooth communication, and in connection with second wireless charging packets among the wireless charging packets, a single second wireless charging packet is included in one Bluetooth packet and then transmitted through the Bluetooth communication.
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公开(公告)号：US20230253827A1
公开(公告)日：2023-08-10
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：US20230187981A1
公开(公告)日：2023-06-15
申请号：US17999323
申请日：2021-05-20
Applicant: LG ELECTRONICS INC.
Inventor： Jingu CHOI , Yongcheol PARK , Minsoo LEE , Gyunghwan YOOK
Abstract: A method by which a wireless power transmitter transmits wireless power, according to one embodiment of the present specification, comprises: a ping step of transmitting a digital ping, and receiving a response to the digital ping from a wireless power receiver; a configuration step of receiving, from the wireless power receiver, a configuration packet including information about whether the wireless power receiver supports an authentication function; and a power transmission step of transmitting wireless power to the wireless power receiver, wherein the power transmission step includes a low-power transmission step of transmitting low wireless power, an authentication step of authenticating the wireless power transmitter on the basis the supporting of the authentication function by the wireless power receiver, and a high-power transmission step of transmitting high wireless power on the basis of the successful authentication of the wireless power transmitter in the authentication step.
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公开(公告)号：US20230124970A1
公开(公告)日：2023-04-20
申请号：US18086919
申请日：2022-12-22
Applicant: LG ELECTRONICS INC.
Inventor： Yongcheol PARK
Abstract: A wireless power transmitter including a power converter configured to transfer a wireless power to a wireless power receiver; and a communicator/controller configured to control the wireless power, wherein the wireless power transmitter is configured to transmit, to the wireless power receiver, a bit pattern requesting permission to communicate; receive, from the wireless power receiver, a response packet granting the permission in response to the bit pattern; transmit, to the wireless power receiver, a first auxiliary data transport (ADT) data packet after receiving the response packet; receive, from the wireless power receiver, a not acknowledge (NAK) in response to the first ADT data packet; and transmit, to the wireless power receiver, a second ADT data packet after receiving the NAK, wherein a value of a header for the first ADT data packet is same as a value of a header for the second ADT data packet.
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35.发明申请公开(公告)号：US20230084965A1
公开(公告)日：2023-03-16
申请号：US17986595
申请日：2022-11-14
Applicant: LG ELECTRONICS INC.
Inventor： Joonho PARK , Jinkwon LIM , Jingu CHOI , Yongcheol PARK
Abstract: The present specification relates to a device and method for supporting heterogeneous communication in a wireless power transfer system. The present specification discloses a wireless power reception device comprising: a power pickup circuit configured to receive, from a wireless power transfer device, wireless power generated on the basis of magnetic coupling in a power transfer phase; and a communication and control circuit configured to transmit, to the wireless power transfer device, a first random address packet including a random address of the wireless power reception device or receive, from the wireless power transfer device, a second random address packet including a random address of the wireless power transfer device via in-band communication. By performing a handover using a random address, cross reference can be prevented and security can be enhanced, and thus a BLE connection in a wireless charging system can be more safely performed.
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Patent Agency Ranking
公开(公告)号：US20230078771A1
公开(公告)日：2023-03-16
申请号：US17799813
申请日：2021-02-17
Applicant: LG ELECTRONICS INC.
Inventor： Yongcheol PARK , Gyunghwan YOOK , Jinho YOUN
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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37.发明申请公开(公告)号：US20230041707A1
公开(公告)日：2023-02-09
申请号：US17968170
申请日：2022-10-18
Applicant: LG Electronics Inc.
Inventor： Yongcheol PARK
Abstract: The present invention relates to a device and a method for transmitting or receiving data in a wireless power transmission system. The present specification discloses a wireless power reception device comprising: a power pickup unit configured to receive, from a wireless power transmission device, wireless power generated on the basis of magnetic coupling in a power transmission phase; and a communication/control unit configured to receive, from the wireless power transmission device, information on a first buffer size indicating the size of a first buffer for receiving a data transmission stream. As the buffer size for exchanging the data transmission stream between the wireless power transmission device and reception device becomes clear, wireless power transmission and communication can proceed smoothly.
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公开(公告)号：US20220278561A1
公开(公告)日：2022-09-01
申请号：US17597500
申请日：2020-05-15
Applicant: LG ELECTRONICS INC.
Inventor： Jingu CHOI , Jinkwon LIM , Minsoo LEE , Joonho PARK , Jaehyu KIM , Yongcheol PARK
Abstract: A wireless power transmission device according to an embodiment of the present specification comprises: a power conversion circuit for transmitting wireless power to a wireless power reception device by means of magnetic coupling with the wireless power reception device at an operating frequency; and a communication/control circuit for communicating with the wireless power reception device by using in-band communication that uses the operating frequency and/or out-band communication that uses a frequency other than the operating frequency, and for communicating with at least one other wireless power transmission device by using the out-band communication, wherein the communication/control circuit measures the distance to the wireless power reception device and transmits the information about the measured first distance to the other wireless power transmission device.
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公开(公告)号：US20220277285A1
公开(公告)日：2022-09-01
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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公开(公告)号：US20220131422A1
公开(公告)日：2022-04-28
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: The present invention relates to a device and method for performing power allocation and out-band activation by using short-range communication in a wireless power transmission system. A wireless power receiver device may comprise: a power pick-up circuit configured to receive power wirelessly from a wireless power transmitter device including a plurality of primary coils by magnetic coupling to the wireless power transmitter device 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 device by using the operating frequency, and an out-band communication module which communicates with the wireless power transmitter device 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 receiver devices by using the out-band communication module.
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