-
51.发明公开公开(公告)号：US20240356788A1
公开(公告)日：2024-10-24
申请号：US18579179
申请日：2022-07-14
Applicant: LG Electronics Inc.
Inventor： Yongcheol PARK
CPC classification number: H04L27/10 , H04L5/0046 , H04L5/0053
Abstract: The present disclosure provides a method for transferring wireless power by a wireless power transmitter in a wireless power transmission system and a device using same, the method comprising: receiving a specific request (SRQ) packet related to frequency shift keying (FSK) from a wireless power receiver, the SRQ packet including information on the number of cycles used for the FSK; transmitting an ACK for the SRQ packet to the wireless power receiver, and transmitting a data packet to the wireless power receiver on the basis of the number of cycles, the maximum size of the data packet being selected on the basis of the number of cycles.
-
52.发明公开公开(公告)号：US20240178703A1
公开(公告)日：2024-05-30
申请号：US18283720
申请日：2022-03-22
Applicant: LG Electronics Inc.
Inventor： Jinho YOUN , Taewook KWON , Gyunghwan YOOK , Yongcheol PARK
Abstract: The present specification provides a method for performing wireless power reception by a wireless power receiver in a wireless power transmission system, and a device using the method, the method comprising: transmitting information related to a power transfer contract to a wireless power transmitter; generating the power transfer contract with the wireless power transmitter on the basis of the information; and receiving the wireless power from the wireless power transmitter on the basis of the power transfer contract, wherein the wireless power receiver transmits the information to the wireless power transmitter on the basis of an amplitude shift keying (ASK) signal, and the ASK signal is generated on the basis of an input signal based on pulse width modulation (PWM).
-
公开(公告)号：US20240056123A1
公开(公告)日：2024-02-15
申请号：US18373827
申请日：2023-09-27
Applicant: LG Electronics Inc.
Inventor： Yongcheol PARK
CPC classification number: H04B5/0037 , H02J50/80 , H02J50/60 , H04B5/0031 , H02J7/02 , H02J5/00 , H02J50/10 , H02J50/12
Abstract: According to an embodiment of the present invention, a method for transferring wireless power by an electric power transmitter may comprise: a selection step of monitoring a placement or a removal of an object on or from an interface surface of the power transmitter; a ping step of performing a digital ping and receiving a response from a power receiver; an identifying/configuring step of receiving a configuration packet including configuration information of the power receiver; and a negotiating step of transmitting a capability packet including information on a level of power transferred by the power transmitter, wherein the capability packet may include an NFC detection field indicating whether the power transmitter has a capability of detecting an RFID and/or an NFC, and/or whether the RDID and/or the NFC is detected.
-
54.发明公开公开(公告)号：US20240055904A1
公开(公告)日：2024-02-15
申请号：US18280375
申请日：2022-03-03
Applicant: LG Electronics Inc.
Inventor： Minsoo LEE , Gyunghwan YOOK , Jinho YOUN , Taewook KWON , Yongcheol PARK
CPC classification number: H02J50/40 , H02J50/80 , H02J7/00034
Abstract: Provided are: a method for establishing out-band communication performed by a wireless power transmitter in a wireless power transmission system; and a device for using same. The method comprises the steps of: transmitting a plurality of pieces of capability information to a plurality of wireless power receivers respectively through in-band communication, wherein each of the plurality of pieces of capability information includes information about whether the wireless power transmitter supports the out-band communication; establishing the out-band communication with the plurality of wireless power transmitters on the basis of the transmission of the plurality of pieces of capability information; and exchanging power control information pertaining to the plurality of wireless power receivers with the plurality of wireless power receivers through the out-band communication.
-
公开(公告)号：US20230299615A1
公开(公告)日：2023-09-21
申请号：US18018679
申请日：2021-07-30
Applicant: LG Electronics Inc.
Inventor： Jinho YOUN , Jingu CHOI , Gyunghwan YOOK , Yongcheol PARK
Abstract: A wireless power receiving device according to one embodiment of the present specification comprises: a power pickup circuit for receiving wireless power from a wireless power transmitting device; and a communication/control circuit for communicating with the wireless power transmitting device by using in-band communication using a power signal of the wireless power and/or out-band communication, which is wireless communication that differs from the in-band communication, and for controlling the reception of the wireless power, wherein the communication/control circuit terminates the connection of the out-band communication on the basis of the removal of the power signal from the wireless power transmitting device in a state in which the connection of the wireless power transmitting device and the out-band communication is established.
-
Patent Agency Ranking
56.发明公开公开(公告)号：US20230253837A1
公开(公告)日：2023-08-10
申请号：US18302938
申请日：2023-04-19
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.
-
公开(公告)号：US20230208206A1
公开(公告)日：2023-06-29
申请号：US17919707
申请日：2021-04-20
Applicant: LG ELECTRONICS INC.
Inventor： Yongcheol PARK , Minsoo LEE , Gyunghwan YOOK , Jingu CHOI
Abstract: A wireless power reception device according to an embodiment of the present specification comprises a controller for: receiving wireless power from a wireless power transmission device, and performing power pickup for receiving the wireless power from the wireless power transmission device by magnetic coupling with the wireless power transmission device at an operating frequency; and communicating with the wireless power transmission device by using at least one of in-band communication using the operating frequency and out-band communication using a frequency other than the operating frequency, and controlling reception of the wireless power, wherein, in the power transmission step of receiving the wireless power, the controller transmits or receives, using the in-band communication, a message for controlling the wireless power, and transmits or receives, using the out-band communication, an authentication message for authentication of the wireless power transmission device.
-
58.发明公开公开(公告)号：US20230179257A1
公开(公告)日：2023-06-08
申请号：US18164195
申请日：2023-02-03
Applicant: LG Electronics Inc.
Inventor： Yongcheol PARK
Abstract: The present application describes a wireless power reception device comprising: a power pickup circuit configured to receive, from a wireless power transmission device, a wireless power generated on the basis of magnetic coupling in a power transmission phase; and a communication and control circuit configured to transmit, to the wireless power transmission device, a configuration packet including first dual data stream information, or to receive, from the wireless power transmission device, a capability packet including second dual data stream information. Upper layer data can be effectively exchanged by clearly recognizing whether the upper layer data is bidirectionally transmitted between the wireless power transmission device and the wireless power reception device, and accuracy of power loss and saving of processing resources can be achieved by synchronizing the timing of calculating the power loss between the wireless power transmission device and the wireless power reception device.
-
公开(公告)号：US20230126095A1
公开(公告)日：2023-04-27
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.
-
60.发明申请公开(公告)号：US20230118220A1
公开(公告)日：2023-04-20
申请号：US18083098
申请日：2022-12-16
Applicant: LG Electronics Inc.
Inventor： Yongcheol PARK
Abstract: A wireless power receiver comprises: a power pickup circuit for receiving wireless power from a wireless power transmitter on the basis of a magnetic coupling with the wireless power transmitter, and converting an alternating current signal generated by the wireless power into a direct current signal; and a communication/control circuit for communicating with the wireless power transmitter and controlling the wireless power that is received, wherein the communication/control circuit transmits, to the wireless power transmitter, an end power transfer packet for detecting a foreign object in a primary power transfer step of receiving the wireless power so as to enable the wireless power transmitter to detect the foreign object, receives a ping signal from the wireless power transmitter which has estimated that no foreign object is present, and transmits a data packet, in response to the ping signal, for entering a secondary power transfer step.
-
-
-
-
-
-
-
-
-
Search Results
148
records
(took 0.026 seconds)
