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41.发明公开公开(公告)号：US20240314854A1
公开(公告)日：2024-09-19
申请号：US18263635
申请日：2022-01-28
Applicant: LG ELECTRONICS INC.
Inventor： Minsoo LEE , Yongcheol PARK , Taewook KWON , Gyunghwan YOOK , Jinho YOUN
Abstract: The present specification provides a method for transmitting an address relating to out-band communication performed by a wireless power receiver in a wireless power transmission system, and a device using same, the method characterized by: transmitting to a wireless power transmitter the address relating to the out-band communication of the wireless power receiver, by means of in-band communication established with the wireless power transmitter; exchanging information relating to scan with the wireless power transmitter prior to the establishment of the out-band communication; and establishing the out-band communication on the basis of the address relating to the out-band communication and the information relating to the scan, wherein the information relating to the scan comprises additional information relating to the wireless power receiver.
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公开(公告)号：US20240213817A1
公开(公告)日：2024-06-27
申请号：US18288533
申请日：2022-04-26
Applicant: LG Electronics Inc.
Inventor： Jinho YOUN , Gyunghwan YOOK
Abstract: Provided in the present disclosure are a method by which a wireless power transmitter transmits wireless power in a wireless power transmission system, and a device using same, the method comprising: establishing a power transmission contract with a wireless power receiver in a negotiation phase; and transmitting, to the wireless power receiver, wireless power on the basis of the power transmission contract in a power transmission phase, wherein: the wireless power transmitter receives request information from the wireless power receiver in the negotiation phase; the request information is information related to the unit size of at least one piece of auxiliary data transport (ADT) information transmitted by means of the wireless power transmitter; and the wireless power transmitter transmits, to the wireless power receiver, the at least one piece of ADT information in the power transmission phase on the basis of the information related to the unit size.
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43.发明公开公开(公告)号：US20240204577A1
公开(公告)日：2024-06-20
申请号：US18287818
申请日：2022-04-20
Applicant: LG Electronics Inc.
Inventor： Jinho YOUN , Gyunghwan YOOK
Abstract: The present disclosure provides a method for receiving wireless power by a wireless power receiver in a wireless power transmission system and a device using same, the method comprising: in a negotiation phase, transmitting request information to a wireless power transmitter and establishing a power transfer contract with the wireless power transmitter on the basis of the request information; and in a power transfer phase, receiving the wireless power from the wireless power transmitter on the basis of the power transfer contract, wherein the request information comprises information related to the number of cycles of FSK, the wireless power receiver receives data information from the wireless power transmitter through the FSK based on the information related to the number of cycles, and the wireless power receiver decodes the FSK in an interval changing according to the number of cycles.
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公开(公告)号：US20240088724A1
公开(公告)日：2024-03-14
申请号：US18263068
申请日：2022-01-27
Applicant: LG ELECTRONICS INC.
Inventor： Jinho YOUN , Gyunghwan YOOK , Yongcheol PARK , Jaeyeol KIM
CPC classification number: H02J50/80 , H04B5/0037 , H02J50/40
Abstract: Provided in the present specification are a method by which a wireless power receiver transmits request information in a wireless power transmission system, and a device, the method comprising: transmitting request information to a wireless power transmitter, the request information including information related to the time during which authority with respect to communication between the wireless power receiver and the wireless power transmitter is changed from the wireless power receiver to the wireless power transmitter; and receiving, from the wireless power transmitter, information related to data during the time.
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公开(公告)号：US20220346032A1
公开(公告)日：2022-10-27
申请号：US17853137
申请日：2022-06-29
Applicant: LG ELECTRONICS INC.
Inventor： Yongcheol PARK , Jaeyeol KIM , Joonho PARK , Jeongkyo SEO , Gyunghwan YOOK , Jaesung LEE
Abstract: A wireless power receiver includes a power pickup configured to receive a wireless power from a wireless power transmitter, and a communicator/controller configured to control the wireless power. The wireless power receiver transmits, to the wireless power transmitter during a configuration phase, a configuration packet including an AI flag related to whether the wireless power receiver supports an authentication function, receives, from the wireless power transmitter during a negotiation phase, a capability packet including an AR flag and a potential power value of the wireless power transmitter, wherein the AR flag is related to whether the wireless power transmitter supports the authentication function, and performs a power transfer phase with the wireless power transmitter. The wireless power receiver transmits, to the wireless power transmitter during the power transfer phase, an authentication request message, and receives, from the wireless power transmitter during the power transfer phase, an authentication response message.
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Patent Agency Ranking
46.发明申请公开(公告)号：US20220190650A1
公开(公告)日：2022-06-16
申请号：US17684905
申请日：2022-03-02
Applicant: LG ELECTRONICS INC.
Inventor： Kyunghwan KIM , Yongcheol PARK , Jihyun LEE , Gyunghwan YOOK
Abstract: Provided are an apparatus and method for performing foreign object detection in a wireless power transfer system. The present specification discloses a method comprising receiving a digital ping from the wireless power transmitter; transmitting an identification and configuration packets to the wireless power transmitter; transmitting a foreign object detection (FOD) state packet which indicates a reference Q factor of the wireless power receiver to the wireless power transmitter; and receiving wireless power through magnetic coupling from the wireless power transmitter based on the foreign object detection result of the wireless power transmitter using the reference Q factor. Irrespective of individual characteristics of a wireless power receiver, accuracy and reliability of detecting a foreign object may be improved.
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公开(公告)号：US20210265875A1
公开(公告)日：2021-08-26
申请号：US17313572
申请日：2021-05-06
Applicant: LG Electronics Inc.
Inventor： Yongcheol PARK , Gyunghwan YOOK
Abstract: A wireless power transmitter including a power conversion unit configured to transmit wireless power generated based on magnetic coupling in a power transfer phase and a control unit configured to receive, from the wireless power receiver operating at a first operating point, a first received power packet of the first operating point and a second received power packet of the first operating point based on the first received power packet of the first operating point and the second received power packet of the first operating point and configured to receive a first received power packet of the second operating point and a second received power packet of the second operating point related to power calibration and construct a second power calibration curve based on the first received power packet of the second operating point and the second received power packet of the second operating point.
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48.发明申请公开(公告)号：US20210218287A1
公开(公告)日：2021-07-15
申请号：US17217170
申请日：2021-03-30
Applicant: LG ELECTRONICS INC.
Inventor： Kyunghwan KIM , Yongcheol PARK , Jihyun LEE , Gyunghwan YOOK
Abstract: Provided are an apparatus and method for performing foreign object detection in a wireless power transfer system. The present specification discloses a method comprising receiving a digital ping from the wireless power transmitter; transmitting an identification and configuration packets to the wireless power transmitter; transmitting a foreign object detection (FOD) state packet which indicates a reference Q factor of the wireless power receiver to the wireless power transmitter; and receiving wireless power through magnetic coupling from the wireless power transmitter based on the foreign object detection result of the wireless power transmitter using the reference Q factor. Irrespective of individual characteristics of a wireless power receiver, accuracy and reliability of detecting a foreign object may be improved.
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49.发明申请公开(公告)号：US20210066973A1
公开(公告)日：2021-03-04
申请号：US16961554
申请日：2019-01-08
Applicant: LG ELECTRONICS INC.
Inventor： Yongcheol PARK , Joonho PARK , Gyunghwan YOOK
Abstract: The present invention relates to an apparatus and a method for performing power calibration in a wireless power transmission system. The present specification provides a wireless power transmission apparatus comprising: a power conversion unit configured to transmit, in a power transfer phase, wireless power generated on the basis of magnetic coupling to a wireless power receiving device; and a communication/control unit configured to perform an initial calibration for a power parameter prior to the power transfer phase, receive a first received power packet from the wireless power receiving device indicating the power received by the wireless power receiving device during the power transfer phase, and detect foreign matter by using the received power and a first power loss determined on the basis of the initial calibration. It is possible to adaptively respond to a newly changed wireless charging environment to calibrate transmission power and reception power, and it is possible to detect foreign matter more precisely by detecting a power loss on the basis of the calibrated transmission and reception power.
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50.发明申请公开(公告)号：US20190326786A1
公开(公告)日：2019-10-24
申请号：US16375823
申请日：2019-04-04
Applicant: LG ELECTRONICS INC.
Inventor： Kyunghwan KIM , Yongcheol PARK , Jihyun LEE , Gyunghwan YOOK
Abstract: Provided are an apparatus and method for performing foreign object detection in a wireless power transfer system. The present specification discloses a method comprising receiving a digital ping from the wireless power transmitter; transmitting an identification and configuration packets to the wireless power transmitter; transmitting a foreign object detection (FOD) state packet which indicates a reference Q factor of the wireless power receiver to the wireless power transmitter; and receiving wireless power through magnetic coupling from the wireless power transmitter based on the foreign object detection result of the wireless power transmitter using the reference Q factor. Irrespective of individual characteristics of a wireless power receiver, accuracy and reliability of detecting a foreign object may be improved.
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