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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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Patent Agency Ranking
2.发明申请METOHOD FOR INTERFERENCE ALIGNMENT USING MULTIPLE ANTENNAS IN OVERLAPPED MULTI-CELL OVERLAPPED ENVIRONMENT 有权使用多重天线在多重多层叠加环境中干扰对齐的方法公开(公告)号：US20140205034A1
公开(公告)日：2014-07-24
申请号：US14157116
申请日：2014-01-16
Inventor： Jinhyung Oh , Gwangzeen Ko , Igor Kim , Myung Sun Song
CPC classification number: H04L1/0009 , H04B7/0456 , H04B7/086
Abstract: An interference alignment method using multiple antennas in a multi-cell overlapped environment, includes: when at least one transmission and reception ends having at least one or more antennas communicate with each other, establishing at least one or more channels from the transmission end to the reception end. Further, the interference alignment method includes designing a processing filter for a transmission signal transmitted from the transmission end to the reception ends; and designing a processing filter for a reception signal that is received by the reception end.
Abstract translation: 在多小区重叠环境中使用多个天线的干扰对准方法包括：当至少一个发送和接收结束时具有至少一个或多个天线彼此通信时，建立至少一个或多个信道从发射端至 接待端 此外，干扰对准方法包括设计从发送端发送到接收端的发送信号的处理过滤器; 以及设计用于由接收端接收的接收信号的处理滤波器。
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公开(公告)号：US11862382B2
公开(公告)日：2024-01-02
申请号：US18078577
申请日：2022-12-09
Inventor： Jung Ick Moon , Gwangzeen Ko , Sang-Won Kim , Seong-Min Kim , In Kui Cho
CPC classification number: H01F27/2823 , H01F27/06 , H02J50/005 , H02J50/10
Abstract: Provided is a spiral coil and wireless power transmission and reception circuit including the spiral coil. The spiral coil includes a conducting wire forming one or more coil turns, and a height of one side of the conducting wire in a direction of a central portion of the spiral coil and a height of another side of the conducting wire in an opposite direction to the central portion of the spiral coil in each of the coil turns are different from each other and the conducting wire includes at least one slot formed by an empty space between the one side and the other side, and an upper surface positioned above the one side and the other side and connecting the one side and the other side.
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4.发明授权Method for interference alignment using multiple antennas in overlapped multi-cell overlapped environment 有权用于在重叠多小区重叠环境中使用多个天线进行干扰对准的方法公开(公告)号：US09385834B2
公开(公告)日：2016-07-05
申请号：US14157116
申请日：2014-01-16
Inventor： Jinhyung Oh , Gwangzeen Ko , Igor Kim , Myung Sun Song
CPC classification number: H04L1/0009 , H04B7/0456 , H04B7/086
Abstract: An interference alignment method using multiple antennas in a multi-cell overlapped environment, includes: when at least one transmission and reception ends having at least one or more antennas communicate with each other, establishing at least one or more channels from the transmission end to the reception end. Further, the interference alignment method includes designing a processing filter for a transmission signal transmitted from the transmission end to the reception ends; and designing a processing filter for a reception signal that is received by the reception end.
Abstract translation: 在多小区重叠环境中使用多个天线的干扰对准方法包括：当至少一个发送和接收结束时具有至少一个或多个天线彼此通信时，建立至少一个或多个信道从发射端至 接待端 此外，干扰对准方法包括设计从发送端发送到接收端的发送信号的处理过滤器; 以及设计用于由接收端接收的接收信号的处理滤波器。
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5.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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6.发明授权公开(公告)号：US09270501B2
公开(公告)日：2016-02-23
申请号：US14272973
申请日：2014-05-08
Inventor： Jinhyung Oh , Gwangzeen Ko , Igor Kim , Myung Sun Song , Hyun Ho Lee , Myeong Jin Kim , Young Chai Ko
CPC classification number: H04L25/0391 , H04B7/0417 , H04B7/0452 , H04B7/0626 , H04B7/0632 , H04L25/0202 , H04L25/021 , H04L25/0242 , H04L25/03955
Abstract: Disclosed is a method for removing signal interference in a MIMO-based interference removing apparatus including transmitting a reference signal to at least one receiver; if channel information is estimated by the receiver, receiving the estimated channel information from the receiver as a feedback signal; and producing transmission pre-coding matrix, beam forming matrix, and weighted matrix using the received channel information. Further, the method includes transmitting information containing the transmission pre-coding matrix, the beam forming matrix, and the weighted matrix by including them in a pilot signal to the receiver, and the MIMO-based interference removing apparatus comprises at least one transmitter.
Abstract translation: 公开了一种在基于MIMO的干扰去除装置中消除信号干扰的方法，包括：向至少一个接收机发送参考信号; 如果接收机估计信道信息，则从接收机接收所估计的信道信息作为反馈信号; 并使用所接收的信道信息产生传输预编码矩阵，波束形成矩阵和加权矩阵。 此外，该方法包括通过将包含发送预编码矩阵，波束形成矩阵和加权矩阵的信息包括在导频信号中而发送到接收机，并且基于MIMO的干扰去除装置包括至少一个发射机。
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