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公开(公告)号:US12224600B2
公开(公告)日:2025-02-11
申请号:US17502674
申请日:2021-10-15
Inventor: Jung Ick Moon , Sang-Won Kim , Seong-Min Kim , In Kui Cho
Abstract: Provided is a robot charging apparatus to wirelessly charge a robot capable of walking, which includes a plurality of receiving coils fixed to legs of a robot and a transmitting coil moved and provided according to a position of the robot and wirelessly charges the robot in such a manner that the transmitting coil is provided between the plurality of receiving coils and coupled to the receiving coils by a magnetic field output from the transmitting coil.
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2.
公开(公告)号:US12142932B2
公开(公告)日:2024-11-12
申请号:US17976077
申请日:2022-10-28
Inventor: Je Hoon Yun , Sang-Won Kim , Seong-Min Kim , Jung Ick Moon , In Kui Cho , Gwangzeen Ko , Dong Won Jang
Abstract: A wireless power transmission resonator using a conducting wire with a vertical rectangular cross-section is disclosed. The wireless power transmission resonator may include a first element including a first element upper part arranged in an upper end of a resonator and a first element lower part arranged in a lower end of the resonator, wherein the first element upper part and the first element lower part each may include a spiral layer having a spiral structure that is wound to face a wide surface of a conducting wire including a vertical rectangular cross-section and a second element arranged in a center of the resonator and between the first element upper part and the first element lower part and including a spiral layer having a spiral structure that is wound to face the wide surface of the conducting wire including the vertical rectangular cross-section.
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3.
公开(公告)号:US11955271B2
公开(公告)日:2024-04-09
申请号:US18200759
申请日:2023-05-23
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , Korea Advanced Institute of Science and Technology
Inventor: Jang Yeol Kim , In Kui Cho , Hyunjoon Lee , Sang-Won Kim , Seong-Min Kim , Jung Ick Moon , Woo Cheon Park , Je Hoon Yun , Jaewoo Lee , Ho Jin Lee , Dong Won Jang , Kibeom Kim , Seungyoung Ahn
CPC classification number: H01F27/325 , G01R33/02 , H01F27/24 , H01F27/2804 , H01F41/041
Abstract: A radio frequency (RF) weak magnetic field detection sensor includes a ferromagnetic core, a pickup coil disposed to surround the ferromagnetic core, a substrate that includes an opening, a core pad connected to the ferromagnetic core and a coil pad connected to the pickup coil, and an insulating tube interposed between the ferromagnetic core and the pickup coil. The insulating tube includes a bobbin around which the pickup coil is wound, and a core hole formed to pass through the bobbin and configured to accommodate the ferromagnetic core.
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公开(公告)号:US11677272B2
公开(公告)日:2023-06-13
申请号:US17509277
申请日:2021-10-25
Inventor: Je Hoon Yun , Sang Won Kim , Seong Min Kim , Jung Ick Moon , Woo Jin Byun , Dong Won Jang , In Kui Cho
CPC classification number: H02J50/12 , H01F38/14 , H02J50/402
Abstract: A wireless power transmitting device includes: an upper coil including a first tubular spiral coil and a first planar spiral coil disposed beneath the first tubular spiral coil; a lower coil including a second planar spiral coil disposed to face the first planar spiral coil and a second tubular spiral coil disposed beneath the second planar spiral coil; a connecting stub configured to connect the upper coil and the lower coil to each other; and a power source configured to supply a power to the upper coil or the lower coil. The first planar spiral coil and the second planar spiral coil generate an electric field and a magnetic field in a resonance state to transfer at least some of the power from the power source to an external wireless power receiving device through the electric field and the magnetic field.
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5.
公开(公告)号:US10581277B2
公开(公告)日:2020-03-03
申请号:US15428283
申请日:2017-02-09
Inventor: Sang Bong Jeon , Jung Ick Moon , Sang-Won Kim , Seong-Min Kim , In Kui Cho , Jong Hwa Kwon , Byung Chan Kim , Hyung Do Choi
Abstract: Provided is an apparatus for reducing an electromagnetic wave in a wireless power transmitter using a reducing coil, the apparatus that may cancel external emission of a magnetic field formed at a transmission coil using the reducing coil based on induced electromotive force.
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公开(公告)号:US09293950B2
公开(公告)日:2016-03-22
申请号:US13721824
申请日:2012-12-20
Inventor: In Kui Cho , Je Hoon Yun , Seong-Min Kim , Jung Ick Moon
CPC classification number: H02J50/12 , B60L11/007 , B60L11/182 , B60L11/1825 , B60L2200/12 , H02J5/005 , H02J17/00 , H02J50/40 , H02J50/50 , H02J50/70 , Y02T10/7005 , Y02T10/7072 , Y02T90/121 , Y02T90/122 , Y02T90/128 , Y02T90/14
Abstract: A wireless power transmission apparatus includes: a transmission resonator installed in one side wall within a specific space and configured to comprise a transmission feeding loop for transmitting impedance matching and power and receive and transmit the impedance matching and power using the transmission feeding loop. Further, the wireless power transmission apparatus includes a relay resonator installed in another side wall within the specific space and configured to have a resonant frequency identical with that of the transmission resonator and store energy in the specific space by generating mutual resonance through a resonance characteristic with the transmission resonator; and one or more reception resonators installed within the specific space and configured to have a resonant frequency identical with that of the transmission resonator and receive the energy stored in the specific space.
Abstract translation: 无线电力传输装置包括:安装在特定空间内的一个侧壁中的发送谐振器,并且被配置为包括用于发送阻抗匹配和功率的发送馈送环路,并使用发送馈送环路接收和发送阻抗匹配和功率。 此外,无线电力传输装置包括安装在特定空间内的另一个侧壁中的中继谐振器,并且被配置为具有与发送谐振器的谐振频率相同的谐振频率,并且通过产生谐振特性的相互共振来存储特定空间中的能量, 传输谐振器; 以及一个或多个接收谐振器,其安装在特定空间内并被配置为具有与发射谐振器的谐振频率相同的谐振频率并接收存储在特定空间中的能量。
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公开(公告)号:US12260565B2
公开(公告)日:2025-03-25
申请号:US17698632
申请日:2022-03-18
Inventor: Gwangzeen Ko , Jung Ick Moon , Sang-Won Kim , Seong-Min Kim , In Kui Cho , Woo Jin Byun , Je Hoon Yun
Abstract: An image processing-based foreign substance detection method in a wireless charging system and a device performing the method are disclosed. A method for detecting a foreign substance includes an operation of acquiring an image of a charging area of a wireless charging system, an operation of detecting, based on an RGB value of a frame of the image, a foreign substance in the charging area, an operation of discriminating a type of the foreign substance, and an operation of performing power control of the wireless charging system according to the type of the foreign substance.
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公开(公告)号:US12206177B2
公开(公告)日:2025-01-21
申请号:US17978255
申请日:2022-11-01
Inventor: Jung Hoon Oh , Jang Yeol Kim , Jae Ho Lee , Hyun Joon Lee , In Kui Cho
Abstract: An operation method of a first communication node may comprise: receiving one or more polarized radio signals transmitted from a second communication node included in the communication system through one or more receive polarized antennas included in the first communication node; performing a receive polarized antenna alignment state adjustment operation so that a detection result for a magnitude of an electric field excited by the one or more polarized radio signals is maximized; and receiving a first polarized signal transmitted from the second communication node through at least part of the one or more receive polarized antennas based on a result of the receive polarized antenna alignment state adjustment operation.
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9.
公开(公告)号:US11699549B2
公开(公告)日:2023-07-11
申请号:US17189788
申请日:2021-03-02
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , Korea Advanced Institute of Science and Technology
Inventor: Jang Yeol Kim , In Kui Cho , Hyunjoon Lee , Sang-Won Kim , Seong-Min Kim , Jung Ick Moon , Woo Cheon Park , Je Hoon Yun , Jaewoo Lee , Ho Jin Lee , Dong Won Jang , Kibeom Kim , Seungyoung Ahn
CPC classification number: H01F27/325 , G01R33/02 , H01F27/24 , H01F27/2804 , H01F41/041
Abstract: A radio frequency (RF) weak magnetic field detection sensor includes a ferromagnetic core, a pickup coil disposed to surround the ferromagnetic core, a substrate that includes an opening, a core pad connected to the ferromagnetic core and a coil pad connected to the pickup coil, and an insulating tube interposed between the ferromagnetic core and the pickup coil. The insulating tube includes a bobbin around which the pickup coil is wound, and a core hole formed to pass through the bobbin and configured to accommodate the ferromagnetic core.
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10.
公开(公告)号:US11444366B2
公开(公告)日:2022-09-13
申请号:US17105755
申请日:2020-11-27
Inventor: Jung Ick Moon , Je Hoon Yun , In Kui Cho , Ho Jin Lee , Sang-Won Kim , Seong-Min Kim , Jang Yeol Kim , Jaewoo Lee , Hyunjoon Lee , Dong Won Jang
Abstract: Disclosed is a resonator for expanding a transfer distance. A conical resonator includes a metal layer configured to operate according to a resonant frequency, and a dielectric layer coupled to the top or bottom of the metal layer to space the metal layer apart from another metal layer without overlap, wherein the metal layer and the dielectric layer have a Swiss-roll structure, and include an input face to which power is supplied on the bottom and an open face on the top.
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