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11.发明公开公开(公告)号：US20230344281A1
公开(公告)日：2023-10-26
申请号：US18024711
申请日：2021-09-06
Applicant: LG Electronics Inc.
Inventor： Hyoungseok KIM , Jaeyeol KIM , Seonghun LEE , Gyunghwan YOOK , Hongkwon KIM
CPC classification number: H02J50/80 , H02J50/60 , H02J50/402 , H02J50/12
Abstract: A wireless power transmitting device according to an embodiment of the present specification relates to a wireless power transmitting device for transmitting wireless power to a wireless power receiving device, and comprises: a power conversion circuit including a primary coil for transmitting the wireless power to the wireless power receiving device; and a communication/control circuit for communicating with the wireless power receiving device and controlling the power conversion circuit, wherein, before transmitting the wireless power to the wireless power receiving device, the communication/control circuit temporarily applies driving power to the primary coil and then stops the transmission of the driving power, and obtains a quality factor on the basis of a change in the voltage or current of the primary coil during a period of time in which the transmission of the driving power is stopped.
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12.发明公开公开(公告)号：US20230318363A1
公开(公告)日：2023-10-05
申请号：US18024675
申请日：2021-09-06
Applicant: LG Electronics Inc.
Inventor： Hyoungseok KIM , Jaeyeol KIM , Seonghun LEE , Gyunghwan YOOK , Hongkwon KIM
Abstract: A wireless power transmitting device according to an embodiment of the present specification transmits wireless power to a wireless power receiving device, and includes a power conversion circuit including a primary coil for transmitting the wireless power to the wireless power receiving device and a communication/control circuit for communicating with the wireless power receiving device and controlling the power conversion circuit, wherein, to detect foreign substances between the wireless power receiving device and the wireless power transmitting device, the communication/control circuit stops the transmission of the wireless power for a slot time, detects the foreign substances on the basis of a change in the voltage or current of the primary coil within the slot time, and sets the slot time to start from a point in time when the current of the primary coil is 0.
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公开(公告)号：US20210167816A1
公开(公告)日：2021-06-03
申请号：US17170322
申请日：2021-02-08
Applicant: LG ELECTRONICS INC.
Inventor： Jinho YOUN , Jaeyeol KIM , Seonghun LEE , Hyokune HWANG
Abstract: A wireless power receiver for receiving wireless power from a wireless power transmitter and for transmitting a control packet to the wireless power transmitter in a wireless power transfer system, includes a power pick-up unit configured to receive wireless power from the wireless power transmitter via magnetic coupling with the wireless power transmitter, and to convert an AC signal generated by the wireless power to a DC signal, a communication/control unit configured to receive the DC signal from the power pick-up unit, and to perform control of the wireless power and a load configured to receive the DC signal from the power pick-up unit, wherein the communication/control unit is configured to transmit a control error packet including a control error value for the wireless power to the wireless power transmitter in a first time interval or a second time interval.
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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：US20230163641A1
公开(公告)日：2023-05-25
申请号：US18153091
申请日：2023-01-11
Applicant: LG ELECTRONICS INC.
Inventor： Jinho YOUN , Taewook KWON , Jaeyeol KIM , Hyoungseok KIM , Dohyeon SON
CPC classification number: H02J50/80 , H02J50/40 , G06F11/004
Abstract: The present disclosure relates to a method and a device for transmitting data in a wireless power transmission system. The method for transmitting data by a wireless power transmitter in a wireless power transmission system may comprise the steps of: receiving from a wireless power receiver, within a first control error interval, a first control error packet containing a control error value with respect to power transmitted from the wireless power transmitter; determining the size of a first data packet on the basis of the length of the first control error interval; and transmitting the first data packet to the wireless power receiver.
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Patent Agency Ranking
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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公开(公告)号：US20210344235A1
公开(公告)日：2021-11-04
申请号：US17280503
申请日：2019-07-11
Applicant: LG ELECTRONICS INC.
Inventor： Jinho YOUN , Taewook KWON , Jaeyeol KIM , Hyoungseok KIM , Dohyeon SON
Abstract: The present disclosure relates to a method and a device for transmitting data in a wireless power transmission system. The method for transmitting data by a wireless power transmitter in a wireless power transmission system may comprise the steps of: receiving from a wireless power receiver, within a first control error interval, a first control error packet containing a control error value with respect to power transmitted from the wireless power transmitter; determining the size of a first data packet on the basis of the length of the first control error interval; and transmitting the first data packet to the wireless power receiver.
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18.发明申请公开(公告)号：US20210320745A1
公开(公告)日：2021-10-14
申请号：US17272768
申请日：2019-09-03
Applicant: LG ELECTRONICS INC.
Inventor： Jaeyeol KIM , Hyoungseok KIM , Yongcheol PARK , Dohyeon SON , Jinho YOUN , Seonghun LEE
Abstract: The present disclosure relates to an apparatus and a method for supporting an improved communication speed in a wireless power transmission system. In such present specification, provided is the method comprising the steps of: transmitting at least one data packet to a wireless power reception apparatus; receiving, from the wireless power reception apparatus, a first request packet requesting a change in a communication speed of the wireless power transmission apparatus; and changing the communication speed of the wireless power transmission apparatus on the basis of the first request packet, and transmitting, at the changed communication speed, a first response packet in response to the first request packet to the wireless power reception apparatus.
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公开(公告)号：US20180020208A1
公开(公告)日：2018-01-18
申请号：US15719256
申请日：2017-09-28
Applicant: LG ELECTRONICS INC.
Inventor： Ramchan WOO , Byungjoon KIM , Jinho JANG , Chiyoung KIM , Jaeyeol KIM
CPC classification number: H04N13/239 , G06F1/1626 , G06F1/1643 , G06F1/1686 , H04N5/2251 , H04N5/2252 , H04N5/2257 , H04N5/23293 , H04N5/44 , H04N13/254 , H04N13/305 , H04N13/31 , H04N13/332 , H04N13/356 , H04N2213/001 , H05K1/141
Abstract: A mobile terminal including a front body including a touch screen located on a front side of the mobile terminal; a rear body located at a rear side of the mobile terminal, the rear body including at least one hole; a bracket accommodated between the front body and the rear body, the bracket formed as a unibody, the bracket including third and fourth holes corresponding to the at least one hole; a first camera coupled with the bracket, the first camera positioned at the third hole of the bracket; a second camera coupled with the bracket, the second camera positioned at the fourth hole of the bracket; a camera flash positioned between the first and second cameras; a main printed circuit board (PCB) including electronic components and electronic circuits for operation of the mobile terminal; a camera PCB coupled with the first and second cameras; and a connector extended from the camera PCB and electrically connected to the main PCB. Further, the first and second cameras and the camera flash are placed alongside of an edge of the rear body, and the first and second cameras and the camera flash face a rear of the rear body.
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公开(公告)号：US20170188014A1
公开(公告)日：2017-06-29
申请号：US15461025
申请日：2017-03-16
Applicant: LG Electronics Inc.
Inventor： Ramchan WOO , Byungjoon KIM , Jinho JANG , Chiyoung KIM , Jaeyeol KIM
CPC classification number: H04N13/239 , G06F1/1626 , G06F1/1643 , G06F1/1686 , H04N5/2251 , H04N5/2252 , H04N5/2257 , H04N5/23293 , H04N5/44 , H04N13/254 , H04N13/305 , H04N13/31 , H04N13/332 , H04N13/356 , H04N2213/001 , H05K1/141
Abstract: A mobile terminal can include a front body including a touch screen, a rear body coupled to the front body and including first and second holes, first and second cameras corresponding to the first and second holes, a bracket including third and fourth holes corresponding to the first and second cameras, the bracket surrounding the first and second cameras, a main printed circuit board (PCB), a first camera PCB coupled to the first camera, a second camera PCB coupled to the second camera and separated from the first camera PCB, a first connector extended from the first camera PCB and electrically connected to the main PCB, and a second connector extended from the second camera PCB and electrically connected to the main PCB, in which the first camera is inserted into the third hole of the bracket and the second camera is inserted into the fourth hole of the bracket.
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