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公开(公告)号:US09246359B2
公开(公告)日:2016-01-26
申请号:US13773873
申请日:2013-02-22
Inventor: Jung Ick Moon , In Kui Cho , Seong-Min Kim , Je Hoon Yun , Woo Jin Byun
CPC classification number: H02J50/00 , H02J17/00 , H02J50/12 , H04B5/0037 , H04B5/0087
Abstract: Disclosed is an apparatus for harvesting leakage energy. The apparatus for harvesting leakage energy includes: an energy harvesting unit configured to harvest energy leaked while energy radiated from a transmitting unit of an energy transmitting apparatus is transmitted to a receiving unit of an energy receiving apparatus; and a harvesting circuit module configured to supply energy harvested by the energy harvesting unit to a load. In accordance with the embodiment of the present invention, energy efficiency of overall system can be increased by harvesting the leakage energy without affecting performance of a wireless power transmission system.
Abstract translation: 公开了一种用于收获泄漏能量的装置。 用于收集泄漏能量的装置包括:能量收集单元,被配置为收集从能量发射装置的发射单元辐射的能量被发射到能量接收装置的接收单元的泄露的能量; 以及收集电路模块,其被配置为将能量收集单元收集的能量提供给负载。 根据本发明的实施例,可以通过收集泄漏能量而不影响无线电力传输系统的性能来提高整个系统的能量效率。
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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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13.
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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14.
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:US10122202B2
公开(公告)日:2018-11-06
申请号:US14816898
申请日:2015-08-03
Inventor: In Kui Cho , Seong Min Kim , Jung Ick Moon , Je Hoon Yun , Woo Jin Byun , Hyung Do Choi
Abstract: Provided is an energy charging apparatus including a transponder configured to transmit and receive radio energy, and a resonator configured to transmit the radio energy transmitted from the transponder to at least one external device and transmit the radio energy received from the at least one external device to the transponder, wherein each of the transponder and the resonator is provided in a form of a single module.
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公开(公告)号:US10038340B2
公开(公告)日:2018-07-31
申请号:US14483382
申请日:2014-09-11
Inventor: In Kui Cho , Seong Min Kim , Jung Ick Moon , Je Hoon Yun
Abstract: Provided is a wireless power transmission method and apparatus for improving spectrum efficiency and space efficiency based on impedance matching and relay resonance, the method including detecting an input impedance at a resonant frequency, matching a transmitting port impedance to a real number value of the detected input impedance, and transmitting power to a receiving resonator smaller than a transmitting resonator using the relay resonator.
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18.
公开(公告)号:US09184487B2
公开(公告)日:2015-11-10
申请号:US13912294
申请日:2013-06-07
Inventor: Jung Ick Moon , In Kui Cho , Seong-Min Kim , Je Hoon Yun , Woo Jin Byun
CPC classification number: H01P7/10 , H01P1/20318 , H01P7/065
Abstract: A resonator structure for a wireless power transfer system Includes resonators, which are to transfer wireless power, and a dielectric substance, which includes at least one exposure region formed on the dielectric substance to fix the resonators in a covered shape and to selectively expose parts of the resonators.
Abstract translation: 一种用于无线电力传输系统的谐振器结构包括传输无线电力的谐振器和包括形成在电介质物质上的至少一个曝光区域以将谐振器固定为覆盖形状并且选择性地暴露部分 谐振器。
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公开(公告)号:US11916309B2
公开(公告)日:2024-02-27
申请号:US17122218
申请日:2020-12-15
Inventor: Jaewoo Lee , In Kui Cho , Sang-Won Kim , Seong-Min Kim , Ho Jin Lee , Jang Yeol Kim , Jung Ick Moon , Woo Cheon Park , Je Hoon Yun , Hyunjoon Lee , Dong Won Jang
CPC classification number: H01Q7/005 , G01R33/3692 , H04B5/0025 , H01Q1/243
Abstract: An apparatus and method for transmitting and receiving magnetic field signals in a magnetic field communication system are provided. The apparatus includes a controller configured to generate a communication signal, matching units that are configured to receive the communication signal and that respectively correspond to different matching frequencies, and loop antennas that are connected to the matching units, respectively, and that are configured to convert communication signals according to the different matching frequencies into magnetic transmission signals in the form of magnetic field energy and to transmit the magnetic transmission signals.
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公开(公告)号:US11750246B2
公开(公告)日:2023-09-05
申请号:US17553466
申请日:2021-12-16
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , Korea Advanced Institute of Science and Technology
Inventor: Jang Yeol Kim , Jaewoo Lee , Hyunjoon Lee , In Kui Cho , Sang-Won Kim , Seong-Min Kim , Jung Ick Moon , Je Hoon Yun , Dong Won Jang , Seunghun Ryu , Seungyoung Ahn
IPC: H04B5/00 , H03K9/00 , H03D3/24 , G01R33/00 , G01R33/028
CPC classification number: H04B5/0075
Abstract: A magnetic field communication method and apparatus using a giant magnetoimpedance (GMI) magnetometer are disclosed. The magnetic field communication apparatus includes a GMI magnetometer configured to detect a first communication signal based on a received magnetic field signal, a first signal extractor configured to extract a second communication signal comprising a message signal from the first communication signal, a second signal extractor configured to extract a third communication signal by removing a magnetization frequency signal from the second communication signal, and a third signal extractor configured to extract the message signal by removing a carrier wave frequency signal from the third communication signal.
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