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公开(公告)号：KR1020020019203A
公开(公告)日：2002-03-12
申请号：KR1020000052352
申请日：2000-09-05
Applicant: 한국전자통신연구원
IPC: H01Q1/24
Abstract: PURPOSE: A handphone having lowered absorption rate is provided to effectively reduce the emittance of electromagnetic wave toward a head of a user without spoiling the beauty or causing troublesome to the user by mounting an antenna within a case with a structure obtaining high antenna gain. CONSTITUTION: Various electronic elements are arranged on at least one circuit board mounted within a case(11) so that the elements can perform various functions including the transmission and receive of electric wave. An antenna(17) helps the transmission or receive through the electronic elements arranged on the circuit board. In this structure, the antenna(17) is disposed within the case(11). In addition, an electromagnetic wave absorber(16) is disposed between the circuit board and the antenna(17) so as to correspond to a portion of the antenna.
Abstract translation: 目的：提供具有降低的吸收率的手机，以有效地将电磁波朝向使用者的头部的方向发散，而不会通过将天线安装在具有获得高天线增益的结构的壳体内，从而不损害使用者的美丽或引起麻烦。 构成：在安装在壳体（11）内的至少一个电路板上布置各种电子元件，使得元件可以执行包括电波的发送和接收的各种功能。 天线（17）有助于通过布置在电路板上的电子元件的传输或接收。 在该结构中，天线（17）设置在壳体（11）内。 此外，电磁波吸收体（16）设置在电路板和天线（17）之间，以便对应于天线的一部分。
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公开(公告)号：KR101809274B1
公开(公告)日：2017-12-15
申请号：KR1020110089763
申请日：2011-09-05
Applicant: 한국전자통신연구원
CPC classification number: H04B1/3838
Abstract: 본발명은주변환경에따라가변소자를동작시켜주기구조의동작주파수를변경시켜안테나의방사패턴을조절함으로써, 전자파가인체로방사되는것을최소화시킬수 있는전자파인체보호장치및 방법에관한것이다. 이를위하여본 발명의실시예에따른전자파인체보호장치는주변환경을감지하는감지부와, 외부로부터인가되는전압또는전류에따라가변동작을수행하는가변소자부와, 감지부에서감지된주변환경에따라전압또는전류를제어하여가변소자부가가변동작을수행하도록제어하는가변소자제어부와, 가변소자부와결합되어가변소자부의가변동작에따라동작주파수의변경이가능하며, 안테나의방사패턴방향을조절하는지능형주기구조를포함할수 있다.
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公开(公告)号：KR1020160102779A
公开(公告)日：2016-08-31
申请号：KR1020150025286
申请日：2015-02-23
Applicant: 한국전자통신연구원
CPC classification number: H02J50/10 , H02J7/025 , H02J50/80 , H02J50/00 , A61M1/127 , H01F38/14 , H02J5/005
Abstract: 본발명은인체이식형의료기기에무선으로전력을전송하는무선전력전송장치에관한것으로, 본발명에따른무선전력전송장치는외부전원을설정된주파수의전력신호로출력하는전력공급부, 상기전력공급부의전력신호를전자파형태의무선전력신호로출력하는전력전송부, 그리고상기무선전력신호의출력레벨을조절하는전력제어신호를출력하는제어부를포함하되, 상기제어부는상기전력전송과정동안상기인체이식형의료기기로부터전송되는전자파및 온도측정데이터를이용하여전자파흡수율및 체내온도변화량을계산하고, 계산된전자파흡수율및 체내온도변화량을설정된기준값과비교한결과에따라상기전력제어신호를출력한다.
Abstract translation: 无线电力传输装置技术领域本发明涉及无线电力传输装置，其将电力无线地发送到可植入人体的医疗装置。 根据本发明的无线电力传输装置包括：电源单元，其输出外部电压作为设定频率的功率信号; 电力发送单元，其将电源单元的电力信号作为电磁无线电力信号输出; 以及控制单元，其输出用于调整无线电力信号的输出电平的功率控制信号。 控制单元通过在电力传输处理中使用从人造植入式医疗装置发送的电磁波和温度测量数据来计算电磁波吸收率和体内温度变化量，并且根据比较输出功率控制信号 导致计算出的电磁波吸收率与体温变化量和预设参考值之间。
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公开(公告)号：KR1020160101290A
公开(公告)日：2016-08-25
申请号：KR1020150023311
申请日：2015-02-16
Applicant: 한국전자통신연구원
IPC: H05K9/00
CPC classification number: H04B15/02 , H05K9/0086 , H05K9/0047 , H05K9/0081
Abstract: 본발명은무선통신기기의커버액세서리에관한것으로, 상기커버액세서리는상기무선통신기기에서전자파가방사되는적어도일면과접하는면에전자파저감패턴층이형성되며, 상기전자파저감패턴층은제 1 유전체층과특정형상의패턴으로구성되어, 전자기적표면저항을가지는단위셀이주기적으로반복되어형성되며, 상기패턴은상기제 1 유전체층을에칭한후 패턴소재를주입하여형성되거나또는상기제 1 유전체층에상기패턴소재를직접인쇄하여형성된다.
Abstract translation: 本发明涉及无线通信设备的覆盖附件。 在覆盖附件的与发射电磁波的无线通信装置的至少一个表面接触的表面上形成有电磁波降低图案层。 电磁波降低图案层以具有第一介电层的特定形状的图案配置。 周期性地重复地形成具有电磁表面电阻的单元电池，并且通过在蚀刻第一介电层之后注入图案材料形成图案，或者通过在第一介电层上直接印刷图案材料形成图案。
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Patent Agency Ranking
公开(公告)号：KR101077557B1
公开(公告)日：2011-10-28
申请号：KR1020090065577
申请日：2009-07-17
Applicant: 한국전자통신연구원
Abstract: 본발명의일 실시예는전자파흡수체총 중량을기준으로 60~90 중량%의연자성금속분말; 및전자파흡수체총 중량을기준으로 10~40 중량%의, 폴리아미드-러버블록공중합체와에폭시수지가 1:1 내지 5:1(폴리아미드-러버블록공중합체:에폭시수지)의중량비로혼합된고분자수지조성물을포함하는전자파흡수체에관한것이다. 또한, 본발명의다른일 실시예는폴리아미드-러버블록공중합체와에폭시수지를 1:1 내지 5:1(폴리아미드-러버블록공중합체:에폭시수지)의중량비로혼합하여고분자수지조성물을형성하는단계; 전자파흡수체총 중량을기준으로, 10~40 중량%의상기고분자수지조성물을용매에분산시키는단계; 상기고분자수지조성물의분산액에전자파흡수체총 중량을기준으로, 60~90 중량%의연자성금속분말을혼합한후, 균질화하여혼련하는단계; 및상기혼련된혼합물을건조시켜용매를제거하는단계를포함하는전자파흡수체의제조방법에관한것이다. 본발명에따른전자파흡수체는특히 ISM 대역중 2.4 ㎓(2.4~2.4835 ㎓) 주파수대역에서 -5dB 이하의반사손실값을갖는우수한전자파흡수효과를발휘할수 있다.
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公开(公告)号：KR101042601B1
公开(公告)日：2011-06-20
申请号：KR1020080044515
申请日：2008-05-14
Applicant: 한국전자통신연구원
IPC: H05K9/00
CPC classification number: H01Q17/00
Abstract: 저항성 재질을 이용한 공진형 전자파 흡수체가 개시된다. 본 발명은 금속 도체층으로 형성된 접지층과 접지층 상에 형성된 유전체층, 그리고 유전체층 상에 형성된 저항성 재질로 이루어진 단위셀 패턴을 포함하는 둘 이상의 단위셀이 주기적으로 배열되어 있는 전자파 흡수체에 관한 것이다.
본 발명에 따르면, 일반적인 전자파 흡수체에 비해 제조 과정이 간단하고, 흡수 주파수 대역 및 흡수 특성을 쉽게 조정할 수 있다. 게다가, 기존의 평판형 공진형 전자파 흡수체에 비해 더 얇은 두께로 제작이 가능한 효과가 있다.
전자파 흡수체, 공진 주파수, 대역폭, 저항성 재질, 단위셀, 주기-
公开(公告)号：KR1020110019089A
公开(公告)日：2011-02-25
申请号：KR1020090076667
申请日：2009-08-19
Applicant: 한국전자통신연구원
CPC classification number: H01Q1/245 , H01Q1/38 , H01Q9/0407 , H04B1/3838
Abstract: PURPOSE: An apparatus for reducing electromagnetic wave and a method for optimally designing the same are provided to minimize the human body absorbent rate of the electromagnetic wave by changing the thickness of a dielectric layer and the position of an antenna. CONSTITUTION: Metal cells(102) are formed on a dielectric layer which is arranged at the lower part of an antenna(104). The gaps and the sizes of the metal cells are adjusted to set a frequency band required for the reduction of electromagnetic wave. The number of the metal cells in a unit area is reduced by adjusting the gaps of the metal cells in order to reduce the human body absorbent rate of the electromagnetic wave.
Abstract translation: 目的：提供一种减少电磁波的装置及其最佳设计方法，以通过改变电介质层的厚度和天线的位置来最小化电磁波的人体吸收率。 构成：金属电池（102）形成在布置在天线（104）的下部的电介质层上。 调整金属电池的间隙和尺寸以设定减小电磁波所需的频带。 为了降低电磁波的人体吸收率，通过调整金属电池的间隙来减少单位面积内的金属电池的数量。
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公开(公告)号：KR1020100073223A
公开(公告)日：2010-07-01
申请号：KR1020080131836
申请日：2008-12-23
Applicant: 한국전자통신연구원
CPC classification number: H05K1/0236 , H05K2201/09309 , H05K2201/09627
Abstract: PURPOSE: An arranging structure of an electromagnetic wave controlling structure is provided to improve a SI/PI and an EMI property by forming the electromagnetic wave controlling structure on a power plane and a ground plane in a multilayer PCB and a package structure. CONSTITUTION: An electromagnetic wave controlling structure is formed on a part of a power layer(265) or a ground layer(260). A rest of the power layer or the ground layer is used as a returning current route of a semiconductor device. A driver circuit(210) is connected to the power layer and the ground layer through a via(232). A signal wire(250) transfers the signal from the driver circuit to a load(220). A dielectric layer(270) is formed between the power layer and the grounding layer. An electromagnetic wave controlling structure blocks a transmission of a SSN generated from the dielectric layer.
Abstract translation: 目的：提供电磁波控制结构的布置结构，通过在多层PCB和封装结构中的电源平面和接地平面上形成电磁波控制结构来提高SI / PI和EMI性能。 构成：在功率层（265）或接地层（260）的一部分上形成电磁波控制结构。 功率层或接地层的其余部分被用作半导体器件的返回电流路径。 驱动电路（210）通过通孔（232）连接到功率层和接地层。 信号线（250）将来自驱动器电路的信号传送到负载（220）。 在功率层和接地层之间形成介电层（270）。 电磁波控制结构阻止从电介质层产生的SSN的透射。
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公开(公告)号：KR1020090118617A
公开(公告)日：2009-11-18
申请号：KR1020080044515
申请日：2008-05-14
Applicant: 한국전자통신연구원
IPC: H05K9/00
CPC classification number: H01Q17/00
Abstract: PURPOSE: A resonant electric wave absorber is provided to simplify a manufacturing process using a structure of an electromagnetic band- gap and a resistive material. CONSTITUTION: An electromagnetic wave absorber includes periodically arranged unit cells(100). Each unit cell includes a ground layer(115), a dielectric layer(110) and a unit cell pattern(105). The ground layer is made of the metal conductor. The dielectric layer is formed on the ground layer. The unit cell pattern is formed on the dielectric layer. The unit cell pattern is made of resistive materials and includes a basic pattern and a semi-orthogonal dipole patch. The basic patch is positioned in the center of the unit cell pattern. The semi-orthogonal dipole patch is arranged in upper, lower, left, and right sides.
Abstract translation: 目的：提供一种谐振电波吸收器，以简化使用电磁带隙和电阻材料结构的制造工艺。 构成：电磁波吸收体包括周期性布置的单体电池（100）。 每个单元电池包括接地层（115），电介质层（110）和单元电池图案（105）。 接地层由金属导体制成。 介电层形成在接地层上。 在电介质层上形成单元电池图形。 单元电池图案由电阻材料制成并且包括基本图案和半正交偶极子贴片。 基本补丁位于单元格图案的中心。 半正交偶极子贴片布置在上，下，左，右两侧。
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