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公开(公告)号：KR100976595B1
公开(公告)日：2010-08-17
申请号：KR1020080036690
申请日：2008-04-21
Applicant: 한국전자통신연구원 , 중앙대학교 산학협력단
IPC: H01Q1/24
Abstract: CRLH(Composite Right/Left-Handed) 전송 선로를 이용한 평면 안테나 장치가 개시된다. 본 발명에 따른 평면 안테나는 직렬 인덕턴스 및 직렬 커패시턴스가 직렬 연결되고, 병렬 인덕턴스 및 병렬 커패시틴스가 병렬 연결되는 구조를 단위셀로 하는 전송선로를 포함한다.
이와 같이, 본 발명은 일반적인 전송선로에 직렬 커패시턴스 및 병렬 인덕턴스를 포함시킨 CRLH 전송선로를 구현함으로써, 낮은 공진 주파수에서도 동작 가능한 소형 평면 안테나를 제공할 수 있다.
CRLH, 평면 안테나-
公开(公告)号：KR1020100072382A
公开(公告)日：2010-07-01
申请号：KR1020080130775
申请日：2008-12-22
Applicant: 한국전자통신연구원
IPC: H05K9/00
Abstract: PURPOSE: An electromagnetic wave reduction device and a method are provided to remarkably reduce a specific absorption rate by attaching an electromagnetic bandgap to surface of an IT device. CONSTITUTION: An electromagnetic wave reduction device includes a dielectric layer(100) and a plurality of metal unit cells(110). A plurality of metal unit cells is periodically formed on a dielectric layer. Each metal unit cell has a triangle, a square or a fractal structure. The dielectric and the metal unit cell operate an electromagnetic bandgap for reducing a surface current due to the electromagnetic with generating in a radiator. An operating frequency zone of the electromagnetic wave reduction device is decided by controlling an interval and a size of the metal unit cell.
Abstract translation: 目的：提供电磁波降低装置和方法，通过将电磁带隙附着到IT装置的表面来显着降低比吸收率。 构成：电磁波还原装置包括电介质层（100）和多个金属单元电池（110）。 在电介质层周期性地形成多个金属单电池。 每个金属单元具有三角形，正方形或分形结构。 电介质和金属单元电池操作电磁带隙，用于在散热器中产生时由于电磁降低表面电流。 通过控制金属单电池的间隔和尺寸来决定电磁波降低装置的工作频带。
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公开(公告)号：KR1020090100031A
公开(公告)日：2009-09-23
申请号：KR1020080025389
申请日：2008-03-19
Applicant: 한국전자통신연구원
CPC classification number: H01Q15/006 , H01Q17/00
Abstract: PURPOSE: An apparatus and a method for reducing electromagnetic waves in a radiator are provided to reduce the surface current and diffraction waves caused by the electromagnetic waves generated from the radiator. CONSTITUTION: An electromagnetic wave reducing apparatus(100) in a radiator includes an electromagnetic wave blocking unit and an absorber(130). The electromagnetic wave blocking unit reduces the surface current due to the electromagnetic waves generated from the radiator. The absorber reduces the surface current around the electromagnetic wave blocking unit and the diffraction wave radiated from the end of the structure. The electromagnetic wave absorbing rate and the performance of the radiator is regulated by adjusting the length of the absorber.
Abstract translation: 目的：提供一种用于减小散热器中的电磁波的装置和方法，以减少由散热器产生的电磁波引起的表面电流和衍射波。 构成：散热器中的电磁波降低装置（100）包括电磁波阻挡单元和吸收体（130）。 电磁波阻挡单元由于由散热器产生的电磁波而减小表面电流。 吸收器减小了电磁波阻挡单元周围的表面电流和从结构端部辐射的衍射波。 通过调节吸收器的长度来调节散热器的电磁波吸收率和性能。
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公开(公告)号：KR100864836B1
公开(公告)日：2008-10-23
申请号：KR1020070054626
申请日：2007-06-04
Applicant: 한국전자통신연구원
CPC classification number: H01Q1/2225 , H01Q1/2283 , H01Q1/24 , H01Q1/38 , H01Q9/045
Abstract: A tag antenna for RFID(Radio Frequency IDentification) using an artificial magnetic conductor is provided to implement direct attachment on a conductor by positioning a feeder of a loop type on an artificial magnetic conductor. A tag antenna for an RFID using an artificial magnetic conductor includes a first dielectric layer, an AMC(Adaptive Modulation and Coding) pattern, a second dielectric layer, and a feeder of a loop type. The AMC pattern is located on an upper part of the first dielectric layer. A plurality of patterns having the same size are arranged to have a predetermined interval. The second dielectric layer is located on an upper part of the AMC pattern. The feeder of the loop type is located on an upper part of the second dielectric layer. An RFID chip is inserted into a center of the feeder of the loop type. The feeder of the loop type has a first penetration hole(201), a second penetration hole(202), and a bending groove(203). The first penetration hole has a protrusion on both sides opposite to a penetration hole of a central part. The second penetration hole is generated in parallel on an outer part of both sides opposite to the penetration hole. The bending groove is formed on an outer plane of both planes in perpendicular to the protrusion.
Abstract translation: 提供了使用人造磁导体的RFID标签天线（射频识别），以通过将环型馈线定位在人造磁导体上来实现导体上的直接附接。 用于使用人造磁性导体的RFID的标签天线包括第一介电层，AMC（自适应调制和编码）图案，第二介电层和环型馈电器。 AMC图案位于第一电介质层的上部。 具有相同尺寸的多个图案被布置成具有预定间隔。 第二电介质层位于AMC图案的上部。 环型馈电器位于第二电介质层的上部。 将RFID芯片插入环路馈线的中心。 环型进料器具有第一贯通孔（201），第二贯通孔（202）和弯曲凹槽（203）。 第一穿透孔在与中心部的贯通孔相对的两侧具有突起。 第二穿透孔平行地在与穿透孔相对的两侧的外侧部分上产生。 弯曲槽形成在垂直于突起的两个平面的外平面上。
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25.发明公开인공자기도체를 이용한 도체 부착형 무선인식용 다이폴태그 안테나 및 그 다이폴 태그 안테나를 이용한 무선인식시스템 有权使用人造磁导管（AMC）进行无线识别和无线识别系统的金属物体上的DIPOLE TAG天线安装使用相同的DIPOLE TAG天线
公开(公告)号：KR1020080050928A
公开(公告)日：2008-06-10
申请号：KR1020070019904
申请日：2007-02-27
Applicant: 한국전자통신연구원
CPC classification number: H01Q1/2225 , H01Q9/285 , H01Q15/008
Abstract: A dipole tag antenna mounted on metallic objects using an artificial magnetic conductor for wireless identification and a wireless identification system using the same are provided to adjust a frequency band and an identification distance of the dipole tag antenna. A dipole tag antenna(200) mounted on metallic objects using an artificial magnetic conductor(100) for wireless identification includes a substrate(140), a conductive ground layer, an artificial magnetic conductor layer(160), and a dipole tag antenna. The substrate is made of a first dielectric material. The conductive ground layer is formed in a lower part of the substrate. The artificial magnetic conductor layer is formed on the substrate. The dipole tag antenna is mounted on the artificial magnetic conductor layer including a wireless identification chip(210).
Abstract translation: 提供了使用人造磁导体进行无线识别的金属物体上的偶极标签天线和使用其的无线识别系统来调整偶极标签天线的频带和识别距离。 使用用于无线识别的人造磁导体（100）安装在金属物体上的偶极标签天线（200）包括基板（140），导电接地层，人造磁导体层（160）和偶极标签天线。 衬底由第一介电材料制成。 导电接地层形成在基板的下部。 人造磁导体层形成在基板上。 偶极标签天线安装在包括无线识别芯片（210）的人造磁性导体层上。
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Patent Agency Ranking
公开(公告)号：KR100789932B1
公开(公告)日：2008-01-02
申请号：KR1020060107720
申请日：2006-11-02
Applicant: 한국전자통신연구원
IPC: G01R29/08
CPC classification number: G01R29/0814 , G01R23/16 , H05K9/0069
Abstract: A sample holder and a system for measuring wideband electromagnetic shielding effectiveness are provided to keep the simulation result S11 below -20dB in a frequency band of 1 to10GHz. A sample holder for measuring wideband electromagnetic shielding effectiveness comprises a pair of waveguides. Each waveguide is composed of a flange section(1) formed at one end; a pair of ridged structures separated on each correspondent position of the inner surface and including tapered sections(2) tapered while gradually reducing the separated distance from the flange section to the other end; a feeding section(4) formed on the inside of the other end; and a connector(3) disposed at the outside of the other end and connected with the feeding section. Samples(9a,9b) are interposed between the flange sections of a pair of waveguides.
Abstract translation: 提供样品架和测量宽带电磁屏蔽效能的系统，以使模拟结果S11在1〜10GHz的频带内保持在-20dB以下。 用于测量宽带电磁屏蔽效能的样品架包括一对波导。 每个波导由在一端形成的凸缘部分（1）组成; 一对脊状结构在内表面的每个对应位置上分离并且包括逐渐减小从凸缘部分到另一端的分离距离的锥形部分（2）逐渐变细的锥形部分; 形成在另一端的内侧的供给部（4） 以及设置在另一端的外侧并与供给部连接的连接器（3）。 样品（9a，9b）插入在一对波导的凸缘部分之间。
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公开(公告)号：KR100753552B1
公开(公告)日：2007-08-30
申请号：KR1020060095787
申请日：2006-09-29
Applicant: 한국전자통신연구원
Abstract: An FSS(Frequency Selective Surface) structure for filtering a single frequency band is provided to accurately tune a filtering target frequency by adjusting a length of a meander circular loop, a thickness of a dielectric material, and an interval between unit cells. An FSS(Frequency Selective Surface) structure includes unit cells(120), which are arranged to be apart from one another by a constant distance. The unit cell includes a circular loop(100). The unit cell includes a substrate and a circular loop, which is formed on the substrate. The circular loop has a predetermined width. At least a portion of the circular loop has a zigzag shape. A filtering frequency band is adjusted by varying a length of the circular loop, the width of the circular loop, an interval between the unit cells, and a thickness and dielectric constant of a dielectric material.
Abstract translation: 提供用于过滤单个频带的FSS（频率选择表面）结构，以通过调整曲折圆环的长度，电介质材料的厚度和单位单元之间的间隔来精确地调谐滤波目标频率。 FSS（频率选择性表面）结构包括单位单元（120），单位单元（120）被布置为彼此间隔恒定的距离。 单位单元包括圆形环（100）。 单元电池包括衬底和形成在衬底上的圆形环。 圆形环具有预定的宽度。 圆环的至少一部分具有之字形。 通过改变圆形环的长度，圆形环的宽度，单位单元之间的间隔以及介电材料的厚度和介电常数来调整滤波频带。
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公开(公告)号：KR101758917B1
公开(公告)日：2017-07-17
申请号：KR1020100133406
申请日：2010-12-23
Applicant: 한국전자통신연구원
Inventor： 심동욱
CPC classification number: H01Q17/008 , G01R29/0821 , H01Q15/0013
Abstract: 본발명은전자파잔향실에관한것으로, 실내의반사특성을조절하기위해의도된공간에전자파흡수장치가설치되며전자파흡수장치는전자파저지대구조를가지고, 이처럼전자파저지대와같은주기구조기술을응용한소형및 박형의전자파흡수장치를포함하는전자파잔향실을제공함으로써사용자가더 넓은내부공간을활용할수 있게하여다양한크기의시험기기를테스트할수 있게하고동일시험기기에대해더 적은공간이요구되므로전자파잔향실의제작비를크게절감할수 있는이점이있다.
Abstract translation: 本发明涉及一种混响室，并在道路安装的电磁波吸收体的空间，以控制具有电磁波盆结构，从而的周期性结构技术的应用中，室内的电磁波吸收体的反射性质，例如电磁波盆 因为小，并且通过提供一个混响室，其包括薄用户更宽的电磁波吸收体，以允许可以采取内部空间的优点可以测试不同尺寸的测试装置使能和需要用于相同的测试设备混响更少的空间 这具有大大降低生产成本的优点。
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公开(公告)号：KR101308970B1
公开(公告)日：2013-09-17
申请号：KR1020090128317
申请日：2009-12-21
Applicant: 한국전자통신연구원
CPC classification number: H05K1/0236 , H05K1/0231
Abstract: 본 발명은 불요 전자파 및 노이즈 억제를 위한 다층 PCB 및 패키지 구조에 관한 것으로, 노이즈 발생소자 부근이나 노이즈에 민감한 부품 주변 등 다층 PCB 및 패키지 내부의 전원 혹은 접지면 상의 특정 영역에만 부분적으로 배치된 전자파 저지대(EBG)를 포함한 전자파 억제 구조와 디커플링 커패시터(DeCap)를 동시에 적용하는 것을 특징으로 한다. 본 발명에 의하면, 다층 PCB 및 패키지 구조에서 발생된 광대역 불요 전자파 및 노이즈는 낮은 주파수 대역에서는 디커플링 커패시터(DeCap)에 의해서, 그리고 수백MHz 이상의 주파수 대역에서는 부분적으로 배치된 전자파 저지대(EBG)와 같은 전자파 억제 구조에 의해서 억제할 수 있다.
PCB, 패키지, 불요 전자파, 노이즈, 동시 스위칭 노이즈-
公开(公告)号：KR1020130046350A
公开(公告)日：2013-05-07
申请号：KR1020120106353
申请日：2012-09-25
Applicant: 한국전자통신연구원
CPC classification number: H01Q9/0407 , H01Q21/24 , H01Q21/29
Abstract: PURPOSE: Multifunctional power supply circuit and antenna in a communication system are provided to offer various beam pattern diversity and orthogonal polarization diversity when transmitting a signal using an antenna including a multifunctional power supply circuit. CONSTITUTION: A first power supply circuit(100) includes input transmission lines(IL1,IL2) connected to a first internal power supply circuit(110) and terminals(1-6) connected to output transmission lines(OL1-OL4). The input transmission lines are located between nodes(N1-N8) in which input terminals(1,2) are connected. The output transmission lines are located in between the nodes and output terminals(3-6). The input terminals are connected to one of the node formed by boundary transmission lines and nodes formed by cross transmission lines and input a signal. The output terminals are connected to the output nodes and output the inputted signal. The first internal power supply circuit includes nodes and transmission lines(BL1-BL8, CL1-CL4). Boundary transmission lines(BL1-BL8) connect between the nodes. Cross transmission lines(CL1-CL4) are connected to some of the boundary transmission lines and cross in a part made of the boundary transmission lines.
Abstract translation: 目的：提供通信系统中的多功能电源电路和天线，以在使用包括多功能电源电路的天线发送信号时提供各种波束图案分集和正交极化分集。 构成：第一电源电路（100）包括连接到第一内部电源电路（110）的输入传输线（IL1，IL2）和连接到输出传输线（OL1-OL4）的端子（1-6）。 输入传输线位于其中输入端子（1,2）连接的节点（N1-N8）之间。 输出传输线位于节点和输出端子之间（3-6）。 输入端子连接到由边界传输线形成的节点之一和由交叉传输线形成的节点并输入信号。 输出端子连接到输出节点并输出输入信号。 第一内部电源电路包括节点和传输线（BL1-BL8，CL1-CL4）。 边界传输线（BL1-BL8）在节点之间连接。 交叉传输线（CL1-CL4）连接到一些边界传输线并在由边界传输线构成的部分中交叉。
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