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1.
公开(公告)号:US20240356384A1
公开(公告)日:2024-10-24
申请号:US18579189
申请日:2021-07-13
Applicant: LG Electronics Inc.
Inventor: Minsoo LEE , Yongcheol PARK , Gyunghwan YOOK , Taewook KWON , Jinho YOUN
CPC classification number: H02J50/80 , H02J7/00045 , H02J50/10 , H02J50/40
Abstract: The present disclosure provides a method, performed by a wireless power receiver, for receiving wireless power in a wireless power transmitting system, and an apparatus using the method, the method comprising: transmitting, to a wireless power transmitter, a configuration packet including a field regarding availability of out-of-band (OB) of the wireless power receiver; receiving, from the wireless power transmitter, a capability packet including a field regarding availability of OB of the wireless power transmitter; and establishing a Bluetooth low energy (BLE) connection with the wireless power transmitter on the basis of the configuration packet and the capability packet, wherein the wireless power receiver transmits a first BLE packet including a plurality of Qi packets to the wireless power transmitter through the LBE connection, and the wireless power receiver receives a response related to the first BLE packet from the wireless power transmitter through the BLE connection.
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2.
公开(公告)号:US20240204573A1
公开(公告)日:2024-06-20
申请号:US18287120
申请日:2022-04-18
Applicant: LG Electronics Inc.
Inventor: Taewook KWON , Gyunghwan YOOK , Jinho YOUN , Hongkwon KIM , Yongcheol PARK
CPC classification number: H02J50/60 , H02J50/12 , H02J50/402 , H02J50/80 , H04B5/79
Abstract: The present disclosure provides a method for transmitting wireless power performed by a wireless power transmitter in a wireless power transmission system, and an apparatus using same, the method comprising: receiving information for detecting whether a foreign object (FO) exists from a wireless power receiver; detecting whether the FO exists before transmission of wireless power on the basis of the information; transmitting the wireless power to the wireless power receiver on the basis of detecting that the FO does not exist; and calculating a slot quality factor on a slot while transmitting the wireless power, wherein the slot quality factor is a quality factor used to determine whether an FO has been inserted while transmitting the wireless power, and a starting point of the slot is a point at which a voltage value of a coil in a wireless power transmitter is the maximum value and a current value of the coil is 0.
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公开(公告)号:US20230285783A1
公开(公告)日:2023-09-14
申请号:US18016476
申请日:2021-06-25
Applicant: LG ELECTRONICS INC.
Inventor: Minsoo KIM , Hyengcheul CHOI , Jinmoo PARK , Seonghun LEE , Junchan KWON , Taewook KWON
CPC classification number: A62B18/08 , A62B18/025 , A62B18/006 , H04R3/12 , H04R1/028 , H04R1/2811 , H04R1/403 , G10K11/17823 , G10K11/17873 , A41D13/11
Abstract: A mask apparatus according to the present disclosure includes a mask body provided with a microphone; a mask body cover coupled to a front surface of the mask body and having a front opening through which sound is output forward; a sealing portion coupled to a rear surface of the mask body and forming a breathing space; and a first speaker fixed to one of the mask body and the mask body cover and outputting a sound input by the microphone; in which a first resonance space in which the first speaker is accommodated is formed between the mask body and the mask body cover to amplify the sound output from the first speaker and output the sound to the front opening.
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公开(公告)号:US20230283119A1
公开(公告)日:2023-09-07
申请号:US18016585
申请日:2020-07-17
Applicant: LG ELECTRONICS INC.
Inventor: Kyunghwan KIM , Seonghun LEE , Taewook KWON , Hyoungseok KIM , Hongkwon KIM
Abstract: A wireless power transmission apparatus includes a shielding plate, a transmission coil on the shielding plate, and a shielding member disposed on the shielding plate and configured to surround the transmission coil. The shielding plate may shield a magnetic field formed to a lower side of the transmission coil. The shield member can offset the magnetic field formed on the side of the transmission coil. Thus, the embodiment can minimize EMI or EMF caused by the magnetic field formed on the lower side and the side of the transmission coil.
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5.
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).
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6.
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.
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公开(公告)号:US20220016449A1
公开(公告)日:2022-01-20
申请号:US17245534
申请日:2021-04-30
Applicant: LG Electronics Inc.
Inventor: Hyengcheul CHOI , Jinmoo PARK , Seonghun LEE , Junchan KWON , Taewook KWON , Minsoo KIM
Abstract: A mask apparatus includes a mask body having a fan module, a seal defining a breathing space, a pressure sensor sensing air pressure in the breathing space, a mask body cover coupled to the mask body, and a controller that controls a rotation speed of the fan module based on pressure values. The controller is configured to determine breathing information including a maximum pressure value and time point, and a minimum pressure value and time point, determine a breathing state of a user based on the breathing information, determine whether the breathing state is a steady state, determine a tidal volume of the user based on the breathing information, and control the rotation speed of the fan module based on the tidal volume.
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公开(公告)号:US20210402222A1
公开(公告)日:2021-12-30
申请号:US17231466
申请日:2021-04-15
Applicant: LG Electronics Inc.
Inventor: Taewook KWON , Jinmoo PARK , Junchan KWON , Seonghun LEE , Hyengcheul CHOI , Gyunghwan YUK , Minsoo KIM
Abstract: A mask apparatus includes a mask body, a fan module, a seal that defines a breathing space, a pressure sensor coupled to the mask body and configured to sense an air pressure in the breathing space, and a controller coupled to the mask body and configured to control a rotation speed of the fan module based on the air pressure. The controller is configured to determine a breathing cycle based on a maximum pressure value and a minimum pressure value among air pressure values sensed by the pressure sensor, determine a time difference between a maximum time point and a minimum time point, determine an expected time point of inhalation in a subsequent breathing cycle based on the breathing cycle and the time difference, and increase the rotation speed of the fan module based on a current time corresponding to the expected time point of inhalation.
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公开(公告)号:US20250105678A1
公开(公告)日:2025-03-27
申请号:US18705873
申请日:2022-10-27
Applicant: LG ELECTRONICS INC.
Inventor: Taewook KWON , Gyunghwan YOOK , Jinho YOUN , Yongcheol PARK
Abstract: The present disclosure provides a method for transmitting wireless power, performed by a wireless power transmitter, in a wireless power transmission system, and a device using same, the method comprising: entering a power transmission phase associated with transmitting the wireless power to a wireless power receiver; generating a slot in the power transmission phase; and performing foreign object detection on the slot, wherein the wireless power transmitter transmits the wireless power to the wireless power receiver on the basis of a first operating frequency before generating the slot, the wireless power transmitter resumes transmitting the wireless power on the basis of a second operating frequency after the slot is ended, and the second operating frequency is a higher frequency than the first operating frequency.
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10.
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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