公开(公告)号：US10928432B2

公开(公告)日：2021-02-23

申请号：US16167302

申请日：2018-10-22

Applicant: Electronics and Telecommunications Research Institute

Inventor： Dong-Uk Sim ,  Sang il Kwak ,  Jong Hwa Kwon

IPC: G01R29/08 ,  G01R31/00

Abstract: Provided a reverberation chamber including a pair of a transmitting and receiving antenna and a reflection plate configured to reflect an electromagnetic wave output from the transmitting and receiving antenna to a working volume in a beam direction to improve a field uniformity of the working volume in the reverberation chamber and increase an applicability of the reverberation chamber.

公开(公告)号：US10598711B2

公开(公告)日：2020-03-24

申请号：US15717407

申请日：2017-09-27

Applicant: Electronics and Telecommunications Research Institute

Inventor： Dong-Uk Sim ,  Sang il Kwak ,  Jong Hwa Kwon

IPC: G01R29/08 ,  H01Q15/18

Abstract: Disclosed is an electromagnetic wave reverberation chamber including a column-type mode stirrer including a plurality of plate-shaped electromagnetic wave reflectors connected by a metal column provided on a bottom of the electromagnetic wave reverberation chamber, a ceiling-type mode stirrer including a plurality of plate-shaped electromagnetic wave reflectors connected by a metal column provided on a wall surface of the electromagnetic wave reverberation chamber and disposed around a ceiling of the electromagnetic wave reverberation chamber, and a pyramidal mode stirrer including a plurality of pyramid-shaped electromagnetic wave reflectors and disposed on a wall surface of the electromagnetic wave reverberation chamber.

公开(公告)号：US09030373B2

公开(公告)日：2015-05-12

申请号：US13646565

申请日：2012-10-05

Applicant: Electronics and Telecommunications Research Institute

Inventor： Dong-Uk Sim

IPC: H01Q15/02 ,  H01Q1/24 ,  H01Q17/00

CPC classification number: H01Q1/243 ,  H01Q17/00

Abstract: A method of manufacturing a transparent film for reducing electromagnetic waves includes forming a first dielectric layer and forming a pattern layer on the first dielectric layer. The pattern layer is made of a transparent electrode material having surface resistance.

Abstract translation: 制造用于减小电磁波的透明薄膜的方法包括在第一介电层上形成第一介电层并形成图案层。 图案层由具有表面电阻的透明电极材料制成。

公开(公告)号：US09960860B2

公开(公告)日：2018-05-01

申请号：US15044480

申请日：2016-02-16

Applicant: Electronics and Telecommunications Research Institute

Inventor： Dong-Uk Sim ,  Sang il Kwak ,  Jong Hwa Kwon

IPC: H04M1/00 ,  H04B15/02 ,  H05K9/00

CPC classification number: H04B15/02 ,  H05K9/0086

Abstract: Provided is a cover accessory for a wireless communication device, includingan electromagnetic suppressing pattern layer on a surface adjoining at least one surface on which an electromagnetic wave is irradiated from the wireless communication device, wherein the electromagnetic suppressing pattern layer includes a first dielectric layer and a frequency selective surface (FSS) pattern with a unit cell having electromagnetic surface resistance periodically repeated thereon, and the FSS pattern is provided by etching the first dielectric layer to inject an FSS pattern material or by printing the FSS pattern material on the first dielectric layer.

公开(公告)号：US08797107B2

公开(公告)日：2014-08-05

申请号：US13713599

申请日：2012-12-13

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

Inventor： Dong-Uk Sim ,  Young Jun Chong ,  Yong Moon ,  Hyeon Seok Jang

IPC: H03B5/00

CPC classification number: H03B7/00 ,  H03B1/00 ,  H03B5/18 ,  H03B2200/0016 ,  H03B2200/0048

Abstract: A voltage controlled oscillator includes a split ring resonator (SRR) configured to have meta-material characteristics fabricated on a board, and an energy compensation circuit configured to cause resonant oscillation of the SRR. The energy compensation circuit is fabricated in the form of an integrated circuit.

Abstract translation: 压控振荡器包括被配置为具有在板上制造的超常材料特性的分裂环谐振器（SRR）和被配置为引起SRR的共振振荡的能量补偿电路。 能量补偿电路以集成电路的形式制造。