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1.发明授权公开(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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2.发明授权公开(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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公开(公告)号：US11502555B2
公开(公告)日：2022-11-15
申请号：US17246244
申请日：2021-04-30
Inventor： Sang-Won Kim , Ho Jin Lee , In Kui Cho , Seong-Min Kim , Jung Ick Moon , Jang Yeol Kim , Je Hoon Yun , Jaewoo Lee , Hyunjoon Lee , Dong Won Jang
Abstract: A wireless power transmission system and method are disclosed. The wireless power transmission system includes a plurality of wireless power transmitters configured to provide power to a plurality of wireless power receivers, and a controller configured to control the wireless power transmitters based on information of the wireless power receivers. The controller is configured to receive information of a wireless power receiver from the wireless power receiver, calculate a transmission parameter associated with a transmission efficiency of power to be provided to the wireless power receiver using the information of the wireless power receiver, and provide power to the wireless power receiver through the wireless power transmitters based on the transmission parameter.
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公开(公告)号：US20190058349A1
公开(公告)日：2019-02-21
申请号：US15909302
申请日：2018-03-01
Inventor： Sang-Won Kim , Jung Ick Moon , Seong-Min Kim , In Kui Cho , Je Hoon Yun , Dong Won Jang
Abstract: Disclosed is a wireless power transmitting device and method, the wireless power transmitting device including, in response to detection of a power receiver within a predetermined separation distance from a charging pad, a controller configured to generate a magnetic field through a transmission coil with a multilayer structure in which a plurality of coil layers of different sizes are stacked, and a power transmitter configured to wirelessly transmit, to a reception coil of the power receiver, a power signal generated using magnetic fields generated by the plurality of coil layers.
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Patent Agency Ranking
公开(公告)号：US20180131219A1
公开(公告)日：2018-05-10
申请号：US15428616
申请日：2017-02-09
Inventor： Sang Won KIM , Seong Min Kim , Jung Ick MOON , Sang Bong JEON , In Kui Cho , Je Hoon Yun , Dong Won Jang , Hyung Do Choi
Abstract: Disclosed is a wireless charging apparatus and method, the apparatus including a controller configured to control the wireless charging apparatus, and a transmitter configured to form a rotating magnetic field in a three-dimensional (3D) space in response to a first clock signal and a second clock signal generated under a control of the controller, wherein a phase difference between the first clock signal and the second clock signal is 90 degrees.
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7.发明授权公开(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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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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公开(公告)号：US11199595B2
公开(公告)日：2021-12-14
申请号：US17071530
申请日：2020-10-15
Inventor： Hyunjoon Lee , In Kui Cho , Jang Yeol Kim , Jaewoo Lee , Ho Jin Lee , Sang-Won Kim , Seong-Min Kim , Jung Ick Moon , Woo Cheon Park , Je Hoon Yun , Dong Won Jang
IPC: G01R33/26
Abstract: The atomic magnetometer includes a light source device configured to output a linearly polarized irradiation light and a circularly polarized pump light, a first vapor cell including an alkali metal atom, receiving the linearly polarized irradiation light, and outputting a first transmitted light, a second vapor cell including an alkali metal atom, receiving the linearly polarized irradiation light, and outputting a second transmitted light, a magnetic field application device configured to apply a bias magnetic field in opposite directions to the first vapor cell and the second vapor cell, and a measuring device configured to obtain the magnetic field signal based on a differentiation of a first polarization rotation signal corresponding to a polarization state of the first transmitted light and a second polarization rotation signal corresponding to a polarization state of the second transmitted light.
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公开(公告)号：US11782107B2
公开(公告)日：2023-10-10
申请号：US17538288
申请日：2021-11-30
Inventor： Hyun Joon Lee , Jang Yeol Kim , Jae Woo Lee , In Kui Cho , Sang Won Kim , Seong Min Kim , Jung Ick Moon , Je Hoon Yun , Dong Won Jang
IPC: G01R33/26
CPC classification number: G01R33/26
Abstract: An atomic magnetometer, which operates in a communication system using a magnetic signal in a very low frequency (VLF) band, may comprise: a vapor cell comprising one or more alkaline metal atoms; a pump light source configured to provide circularly polarized pump beams to the vapor cell; an irradiation light source configured to provide linearly polarized irradiation beams to the vapor cell; a magnetic signal detecting unit configured to detect a magnetic signal by measuring a polarization rotation angle from the linearly polarized irradiation beam passing through the vapor cell; and a bias magnetic field control unit configured to control a bias magnetic field applied to the vapor cell.
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