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公开(公告)号：US11509170B2
公开(公告)日：2022-11-22
申请号：US16629010
申请日：2018-07-05
Inventor： In Kui Cho , Sang-Won Kim , Seong-Min Kim , Jung Ick Moon , Je Hoon Yun , Ho Jin Lee , Dong Won Jang
Abstract: A wireless power receiving apparatus, according to an example embodiment, may include a receiving coil in which a first wire including a copper core and a second wire not including a copper core are wound around a same axis. The second wire may be located at a pitch of the first wire, and a diameter of the second wire may correspond to the pitch of the first wire.
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公开(公告)号：US10727698B2
公开(公告)日：2020-07-28
申请号：US15911264
申请日：2018-03-05
Inventor： Jung Ick Moon , Sang-Won Kim , Seong-Min Kim , In Kui Cho , Je Hoon Yun , Dong Won Jang
Abstract: Provided is a wireless power reception apparatus for wirelessly receiving power from a wireless power transmission apparatus, the wireless power reception apparatus including a reception coil configured to receive power by a harmonic with an n*f0 frequency that is generated through electromagnetic induction with the wireless power transmission apparatus; a matching circuit configured to transfer the harmonic with the n*f0 frequency to a harmonic generator; the harmonic generator configured to generate at least one harmonic with an m*n*f0 frequency by applying a multiplication factor m to the transferred harmonic with the n*f0 frequency; a filter configured to filter the harmonic with the m*n*f0 frequency; and a harmonic transmission coil configured to transmit the filtered harmonic with the m*n*f0 frequency to the wireless power transmission apparatus, and to attenuate the harmonic with the n*f0 frequency that is generated from the wireless power transmission apparatus.
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公开(公告)号：US10693326B2
公开(公告)日：2020-06-23
申请号：US15986429
申请日：2018-05-22
Inventor： Seong-Min Kim , Sang-Won Kim , Jung Ick Moon , In Kui Cho , Je Hoon Yun , Dong Won Jang
IPC: H02J50/12
Abstract: Disclosed is a wireless power receiving apparatus capable of controlling an effective load resistance. The wireless power receiving apparatus may include a rectifier configured to generate a rectified voltage based on a magnetic field generated in a wireless power transmitting apparatus, and a controller configured to transmit, to the rectifier, a control signal for controlling a rectified phase of the rectifier to adjust an effective load resistance of the wireless power receiving apparatus.
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24.发明授权公开(公告)号：US10673278B2
公开(公告)日：2020-06-02
申请号：US15267622
申请日：2016-09-16
Inventor： Jung Ick Moon , Seong Uk Baek , Byoung In Lee , Woo Chul Lee , Jong Seup Lee , Dong Woo Cheon , Sang Bong Jeon , Seong Min Kim , Duk Ju Ahn , In Kui Cho , Byung Chan Kim , Je Hoon Yun , Dong Won Jang , Hyung Do Choi
Abstract: Provided is a wireless power transmission device to reduce an electromagnetic wave except for a signal to be transmitted during wireless power transmission, the wireless power transmission device including a transmitter configured to generate a magnetic field by inputting a high-frequency power signal generated by a transmission circuit into a first coil, a receiver configured to generate an induced current by allowing the generated magnetic field to pass through a second coil, and a reducer configured to reduce a harmonic component of the high-frequency power signal using a third coil inserted on a path between the transmitter and the receiver.
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公开(公告)号：US10476159B2
公开(公告)日：2019-11-12
申请号：US15365515
申请日：2016-11-30
Inventor： Je Hoon Yun , Seong Min Kim , Jung Ick Moon , Duk Ju Ahn , Soon Ik Jeon , In Kui Cho
Abstract: A coaxial resonance coil having a toroidal shape for wireless power transmission is provided. The coaxial resonance coil may include a central conductive wire used as a power feeding loop for indirectly feeding power to a resonance coil, and an outer conductive wire used as a resonance coil which is wound a plurality of turns in a toroidal shape around the central conductive wire as an axis.
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Patent Agency Ranking
公开(公告)号：US10199853B2
公开(公告)日：2019-02-05
申请号：US15363818
申请日：2016-11-29
Inventor： In Kui Cho , Seong Min Kim , Jung Ick Moon , Duk Ju Ahn , Je Hoon Yun , Hyung Do Choi , Dong Won Jang
Abstract: Provided is a wireless charging apparatus for performing wireless charging of an electronic device including a receiving coil located in a three-dimensional (3D) wireless charging zone using a plurality of transmitting coils arranged in the 3D wireless charging zone and at least one power source configured to supply a current to the plurality of transmitting coils.
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27.发明授权公开(公告)号：US10020669B2
公开(公告)日：2018-07-10
申请号：US14953102
申请日：2015-11-27
Inventor： Seong Min Kim , Jung Ick Moon , Je Hoon Yun , In Kui Cho
Abstract: Disclosed is a wireless power receiving apparatus, which includes: a residual power collecting unit configured to collect residual power remained after supplying an RF power signal to a load while receiving the RF power signal through a resonator; a power selecting unit configured to select one of the RF power signal and a power signal of an auxiliary battery according to a reception state of the RF power signal; a communication unit configured to receive the power signal of the auxiliary battery and perform wireless communication with the wireless power transmitting apparatus, when a supply of power to the load is required in a state in which the transmission of the RF power signal from the wireless power transmitting apparatus is stopped; and a controller configured to request the transmission of the RF power signal to be supplied to the load.
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28.发明授权Apparatus and method for wirelessly transmitting and receiving energy and data 有权用于无线发送和接收能量和数据的装置和方法公开(公告)号：US09438314B2
公开(公告)日：2016-09-06
申请号：US13909532
申请日：2013-06-04
Inventor： Jung Ick Moon , In Kui Cho , Seong Min Kim , Je Hoon Yun , Woo Jin Byung , Kwang Seon Kim , Bong Su Kim , Min Soo Kang
CPC classification number: H04B5/0037 , H01Q1/248 , H01Q21/28
Abstract: A method for wirelessly receiving energy and data, including: a resonation operation of resonating a first frequency power signal transmitted from a transmission apparatus; a reception operation of receiving a second frequency data signal transmitted from the transmission apparatus; a first matching operation of matching input/output impedance upon receiving the first frequency power signal; a rectification operation of rectifying impedance-matched power signal from the first matching operation into a DC current; a second matching operation of matching input/output impedance upon receiving the second frequency data signal; an oscillation operation of outputting a second frequency signal by using the first frequency signal output from the resonation operation, as a reference frequency; and a frequency mixing operation of mixing the impedance-matched data signal from the second matching operation with the signal output from the oscillation operation to restore a baseband data signal.
Abstract translation: 一种用于无线接收能量和数据的方法，包括：谐振从发送装置发送的第一频率功率信号的谐振; 接收从所述发送装置发送的第二频率数据信号的接收动作; 在接收到所述第一频率功率信号时匹配输入/输出阻抗的第一匹配操作; 从第一匹配操作到直流电流的整流阻抗匹配功率信号的整流操作; 在接收到所述第二频率数据信号时匹配输入/输出阻抗的第二匹配操作; 通过使用从共振运算输出的第一频率信号输出第二频率信号作为参考频率的振荡操作; 以及将来自第二匹配操作的阻抗匹配数据信号与从振荡操作输出的信号混合以恢复基带数据信号的混频操作。
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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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公开(公告)号：US10910864B2
公开(公告)日：2021-02-02
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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