公开(公告)号：US10673278B2

公开(公告)日：2020-06-02

申请号：US15267622

申请日：2016-09-16

Applicant: Electronics and Telecommunications Research Institute ,  DONGYANG E&P INC.

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

IPC: H01F27/42 ,  H01F37/00 ,  H01F38/00 ,  H02J50/12 ,  H02J50/70 ,  H02J50/90 ,  H02J50/50

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.

公开(公告)号：US09118370B2

公开(公告)日：2015-08-25

申请号：US14255319

申请日：2014-04-17

Applicant: Electronics and Telecommunications Research Institute ,  Industry-University Cooperation Foundation Hanyang University

Inventor： Seung Keun Park ,  Sang Bong Jeon ,  Su Na Choi ,  Haewoon Nam ,  Hyungkook Oh

IPC: H03D1/04 ,  H03D1/06 ,  H03K5/01 ,  H04B1/04

CPC classification number: H04B1/0475 ,  H04B1/1027

Abstract: A method for impulsive noise mitigation using an adaptive blanker based on BPSK modulation system includes estimating narrowband Middleton parameters of impulsive noise from signals received for a fixed time period; calculating a threshold using the estimated narrowband Middleton parameters; operating the first blanker to suppress impulsive noise from the signal received at a given point of time through the comparison of the SNR value of the received signal and the threshold. Further, the method includes operating the second blanker to suppress impulsive noise from the received signal through the comparison of the summation of the threshold and the SNR value with an absolute value of the received signal, when the SNR value is above the threshold.

Abstract translation: 使用基于BPSK调制系统的自适应消隐器的脉冲噪声抑制方法包括：从固定时间段内接收的信号估计脉冲噪声的窄带米德尔顿参数; 使用估计的窄带米德尔顿参数计算阈值; 通过比较接收信号的SNR值和阈值，操作第一消隐器以抑制从给定时间点接收到的信号的脉冲噪声。 此外，当SNR值高于阈值时，该方法包括操作第二消隐器以通过将阈值和SNR值的求和与接收信号的绝对值进行比较来抑制来自接收信号的脉冲噪声。

公开(公告)号：US10581277B2

公开(公告)日：2020-03-03

申请号：US15428283

申请日：2017-02-09

Applicant: Electronics and Telecommunications Research Institute

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

IPC: H02J50/12 ,  H02J7/02 ,  H02J50/90

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.

公开(公告)号：US09377494B2

公开(公告)日：2016-06-28

申请号：US13727016

申请日：2012-12-26

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Sung Woong Choi ,  Hyo Joon Eom ,  Sang Bong Jeon ,  Seung Keun Park ,  Jun Cheol Park

IPC: G01R29/10 ,  G01R29/08

CPC classification number: G01R29/0814 ,  G01R29/0821

Abstract: Disclosed are an apparatus and a method for analyzing a distribution of electromagnetic waves using a 4-port transverse electromagnetic (TEM) cell in a radio wave system. The apparatus for analyzing a distribution of electromagnetic waves in a radio wave system includes: an input unit configured to apply a reference electrostatic potential to an inside of a 4-port transverse electromagnetic (TEM) cell in which electronic devices are located; a calculation unit configured to calculate electrostatic potentials inside the 4-port TEM cell using a mode matching scheme; an analysis unit configured to analyze the distribution of electromagnetic waves inside the 4-port TEM cell through the electrostatic potentials inside the 4-port TEM cell; and an output unit configured to output the distribution of electromagnetic waves inside the 4-port TEM cell.

Abstract translation: 公开了一种利用无线电波系统中的4端口横向电磁（TEM）单元分析电磁波分布的装置和方法。 用于分析无线电波系统中的电磁波分布的装置包括：输入单元，被配置为将参考静电电位施加到电子设备所在的4端口横向电磁（TEM）单元的内部; 计算单元，被配置为使用模式匹配方案来计算所述4端口TEM单元内的静电电位; 分析单元，被配置为通过所述4端口TEM单元内的静电电位来分析所述4端口TEM单元内部的电磁波的分布; 以及输出单元，其被配置为输出所述4端口TEM单元内的电磁波分布。

公开(公告)号：US11643631B2

公开(公告)日：2023-05-09

申请号：US16136019

申请日：2018-09-19

Applicant: Electronics and Telecommunications Research Institute ,  FOUNDATION FOR RESEARCH AND BUSINESS, SEOUL NATIONAL UNIVERSITY OF SCIENCE AND TECHNOLOGY

Inventor： Young Seung Lee ,  Jae-Young Chung ,  Sang Bong Jeon

IPC: C12M1/42 ,  C12M1/12 ,  C12M1/00 ,  C12M1/34 ,  C12M1/02 ,  G01N29/24

CPC classification number: C12M35/06 ,  C12M1/12 ,  C12M23/34 ,  C12M25/02 ,  C12M25/06 ,  C12M35/02 ,  C12M35/04 ,  C12M41/00 ,  C12M41/12 ,  C12M41/18 ,  C12M41/20 ,  G01N29/2412 ,  G01N2223/101

Abstract: Disclosed is an in vitro exposure system that may radiate a uniform field having a constant wavefront to an experimental cell container and expose each cell container to a same electromagnetic field.

公开(公告)号：US10727701B2

公开(公告)日：2020-07-28

申请号：US16415117

申请日：2019-05-17

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Duk Ju Ahn ,  In Kui Cho ,  Seong Min Kim ,  Jung Ick Moon ,  Sang Bong Jeon ,  Byung Chan Kim ,  Je Hoon Yun ,  Dong Won Jang ,  Hyung Do Choi

IPC: H02J5/00 ,  H02J17/00 ,  H02J50/12 ,  H02J50/80

Abstract: Provided is a wireless power reception apparatus which receives a power from a wireless power transmission apparatus. A wireless power reception apparatus which receives a power from a wireless power transmission apparatus, the wireless power reception apparatus comprising a duty controller configured to control a duty cycle; a power converter configured to convert an effective load resistance according to the duty cycle; a reception resonator configured to receive a power from a transmission coil of the wireless power transmission apparatus, wherein the duty cycle and a current of the transmission coil is adjusted based on a load resistance of the wireless power reception apparatus.

公开(公告)号：US10298066B2

公开(公告)日：2019-05-21

申请号：US15240043

申请日：2016-08-18

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Duk Ju Ahn ,  In Kui Cho ,  Seong Min Kim ,  Jung Ick Moon ,  Sang Bong Jeon ,  Byung Chan Kim ,  Je Hoon Yun ,  Dong Won Jang ,  Hyung Do Choi

IPC: H01F27/42 ,  H01F37/00 ,  H01F38/00 ,  H02J50/12 ,  H02J50/80

Abstract: The wireless power reception apparatus includes: a duty controller configured to calculate an amount of current of a transmission coil required for the wireless power transmission apparatus and control a duty cycle by using at least one of distance information between the wireless power transmission apparatus and the wireless power reception apparatus or load current information; a power converter configured to convert an effective load resistance according to the duty cycle; a wireless data transmitter configured to transmit a signal that requires a control of the calculated amount of current of the transmission coil to the wireless power transmission apparatus; and a reception resonator configured to receive a power according to the amount of current of the transmission coil controlled by the signal that requires a control of the amount of current of the transmission coil from the wireless power transmission apparatus.