公开(公告)号：US11924949B2

公开(公告)日：2024-03-05

申请号：US17257115

申请日：2019-06-11

Applicant: LG ELECTRONICS INC.

Inventor： Byungsang Jung ,  Gyunghwan Yuk ,  Seong Hun Lee

IPC: H05B6/06 ,  F24C7/08 ,  H05B1/02 ,  H05B6/12

CPC classification number: H05B6/062 ,  F24C7/083 ,  H05B1/0266 ,  H05B6/12

Abstract: The present disclosure relates to an induction heating device comprising: a heating coil provided in a main body; a knob switch, detachable from and attachable to a knob area formed on one surface of the main body, for adjusting a heating power of the heating coil by rotation when attached to the knob area; a resonance detecting unit for outputting a frequency pulse corresponding to an impedance inflection point that varies according to a degree of rotation of the knob switch; and a controller for controlling the heating power of the heating coil according to the frequency pulse.

公开(公告)号：US10892825B2

公开(公告)日：2021-01-12

申请号：US16904739

申请日：2020-06-18

Applicant: LG ELECTRONICS INC.

Inventor： Kyunghwan Kim ,  Gyunghwan Yuk ,  Byungsang Jung

IPC: H04B10/114 ,  H04B10/80 ,  H02J50/80 ,  H04B10/69 ,  H02J50/30 ,  H04B10/54

Abstract: An optical wireless power transfer system includes a transmission module, which includes a main light source configured to output a main light; a transmitting processor configured to modulate the main light to have a first modulation; a beam splitter configured to pass the main light as a power light; and a reception module. The reception module includes a retro-reflector configured to retro-reflect the main light back to the transmission module; and a receiving processor configured to control the retro-reflector to reflect the main light to have a second modulation based on a power generated by the main light. Further, the beam splitter is further configured to reflect the main light having the second modulation to a first photodiode included in the transmission module.

公开(公告)号：US09433552B2

公开(公告)日：2016-09-06

申请号：US14761576

申请日：2014-01-16

Applicant: LG ELECTRONICS INC.

Inventor： Yoonyoung Chang ,  Honggul Jun ,  Jaehark Park ,  Duksang Kim ,  Eulpyo Hong ,  Gyunghwan Yuk ,  Jungsik Kim ,  Byungju Dan ,  Hongsoo Park ,  Byeongrim Jo ,  Byunghoon Min ,  Sangho Yoon ,  Heuisik Seo

IPC: A61H3/04 ,  G01S17/08 ,  G01S15/02

CPC classification number: A61H3/04 ,  A61G5/04 ,  A61G5/1094 ,  A61G5/128 ,  A61G5/14 ,  A61G2203/14 ,  A61G2203/70 ,  A61H2003/043 ,  A61H2003/046 ,  A61H2201/0161 ,  A61H2201/0173 ,  A61H2201/0192 ,  A61H2201/1215 ,  A61H2201/1633 ,  A61H2201/1635 ,  A61H2201/5043 ,  A61H2201/5048 ,  A61H2201/5061 ,  A61H2201/5084 ,  A61H2201/5092 ,  G01S15/02 ,  G01S17/08

Abstract: An electromotive walking assistance device includes a drive unit including a plurality of wheels and a motor for driving at least on portion of the plurality of wheels, a sensor unit sensing a distance from a user, a manipulation unit sensing a user's manipulation, and a controller controlling the motor based on a signal of the distance from the user and a signal of the user's manipulation.

Abstract translation: 一种电动行走辅助装置包括：驱动单元，包括多个车轮;以及马达，用于驱动所述多个车轮的至少一部分;传感器单元，其感测距离用户的距离;感测用户操纵的操作单元;以及控制器 基于来自用户的距离的信号和用户操纵的信号来控制电动机。

公开(公告)号：US11411425B2

公开(公告)日：2022-08-09

申请号：US16688661

申请日：2019-11-19

Applicant: LG ELECTRONICS INC.

Inventor： Hwanyong Kim ,  Kyunghwan Kim ,  Hyoung Seok Kim ,  Gyunghwan Yuk ,  Seong Hun Lee

IPC: H02J7/00 ,  H02J7/02 ,  H02J50/40 ,  H01F38/14

Abstract: The present disclosure relates to a wireless charging device capable of efficiently charging one or more user terminals by performing a tilt function with respect to a portion where the user terminal is held. According to an embodiment of the present disclosure, the wireless charging device include a first body, a depression defined in the first body, a terminal holder that is coupled to an inner surface at both sides of the depression using a hinge and rotates with respect to the first body, a wireless charger disposed in the terminal holder, a second body connected to the first body and inclined with respect to the first body, and a display provided in the second body.

公开(公告)号：US10727942B2

公开(公告)日：2020-07-28

申请号：US16555605

申请日：2019-08-29

Applicant: LG ELECTRONICS INC.

Inventor： Kyunghwan Kim ,  Gyunghwan Yuk ,  Byungsang Jung

IPC: H04B10/114 ,  H04B10/80 ,  H02J50/80 ,  H04B10/69 ,  H02J50/30 ,  H04B10/54

Abstract: An optical wireless power transfer system including a transmission module having a power light source configured to output power light; a communication light source configured to output communication light; a mirror disposed in a light path of the power light source and the communication light source and configured to pass the power light and reflect the communication light; and a transmitting processor configured to modulate the communication light to have a first modulation. The wireless power transfer system also includes a reception module having a photoelectric cell configured to receive the power light from the transmission module and generate power; a retro-reflector configured to retro-reflect the communication light back to the transmission module; and a receiving processor configured to control the retro-reflector to reflect the communication light to have a second modulation based on the power generated by the photoelectric cell.

公开(公告)号：US10367368B2

公开(公告)日：2019-07-30

申请号：US15484728

申请日：2017-04-11

Applicant: LG ELECTRONICS INC.

Inventor： Gyunghwan Yuk ,  Jaesung Lee ,  Jaesoon Kwon ,  Jinsup Park ,  Jeongkyo Seo ,  Byungsang Jung ,  Youngchan Cho

IPC: H02J7/00 ,  H02J7/02 ,  H02J50/12 ,  H02J50/80 ,  H04B5/00 ,  H02J50/40 ,  H02J50/90 ,  H01F38/14

Abstract: The present relates to a wireless power transmitter performing communication with a wireless power receiver, and a wireless power transfer method thereof. The wireless power transmitter includes a power conversion unit configured to transmit a wireless power signal transferred in a form of an energy field, such as an electric field, a magnetic field or an electromagnetic field, and a power transmission control unit configured to transfer power to the wireless power receiver using the wireless power signal, wherein the power transmission control unit is configured to control the power conversion unit to transmit a near-field communication (NFC) detection signal, other than the wireless power signal, when a preset condition is satisfied, and wherein the power transmission control unit controls the wireless conversion unit in a different manner according to whether or not a response signal to the NFC detection signal is detected.