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    • 1. 发明公开
    • 불요 전자파 및 노이즈 억제를 위한 다층 인쇄 회로 기판
    • 用于抑制无电磁场和噪声的多层PCB
    • KR1020110071689A
    • 2011-06-29
    • KR1020090128317
    • 2009-12-21
    • 한국전자통신연구원
    • 권종화심동욱곽상일
    • H05K3/46H05K9/00
    • H05K1/0236H05K1/0231
    • PURPOSE: A multi layer PCB for suppressing unwanted electromagnetic fields and noise are provided to improve a signal property of a system by using a ground plane and a power plane as a return current path for a high speed signal line. CONSTITUTION: In a multi layer PCB for suppressing unwanted electromagnetic fields and noise, an electromagnetic wave control structure(200) comprises an electromagnetic wave low band unit cell. The electromagnetic wave lowland unit cell comprises a noise source arranged in the power supply plane or the ground or includes a device sensitive to noise. A power division network structure comprises a decoupling capacitor(202) An electromagnetic wave control structure and decoupling capacitor arranged in the power supply plane and the ground plane at the same time. The electromagnetic wave control structure is arranged around a noise generation region and a region sensitive to noise.
    • 目的:提供用于抑制不需要的电磁场和噪声的多层PCB,以通过使用接地层和电源层作为高速信号线的返回电流路径来改善系统的信号特性。 构成:在用于抑制不需要的电磁场和噪声的多层PCB中,电磁波控制结构(200)包括电磁波低频带单元。 电磁波低地单元包括布置在电源平面或地面中的噪声源,或包括对噪声敏感的装置。 功率分配网络结构包括去耦电容器(202)同时布置在电源平面和接地平面中的电磁波控制结构和去耦电容器。 电磁波控制结构设置在噪声产生区域和对噪声敏感的区域周围。
    • 3. 发明公开
    • 전자파 저감 장치 및 방사체에서 전자파 저감 방법
    • 电磁波减速装置及其方法
    • KR1020100072382A
    • 2010-07-01
    • KR1020080130775
    • 2008-12-22
    • 한국전자통신연구원
    • 곽상일권종화심동욱윤재훈
    • H05K9/00
    • H01Q1/526H01Q1/245
    • 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.
    • 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。
    • 4. 发明公开
    • 전자파 저감 장치 및 방사체에서 전자파 저감 방법
    • 用于感应电磁波的装置和方法
    • KR1020090100031A
    • 2009-09-23
    • KR1020080025389
    • 2008-03-19
    • 한국전자통신연구원
    • 곽상일권종화심동욱최형도김창주
    • H04B1/38H01Q1/24
    • H01Q15/006H01Q17/00
    • 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.
    • 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。
    • 7. 发明授权
    • 전자파 인체 보호 장치
    • 电磁波保护装置
    • KR101718930B1
    • 2017-03-23
    • KR1020100133403
    • 2010-12-23
    • 한국전자통신연구원
    • 곽상일
    • H01Q1/52H01Q1/24H04B1/3827
    • 본발명은전자파인체보호장치에관한것으로, 안테나를포함하는방사체와, 이방사체와결합하여방사부를이루는복수의단위셀이주기적으로배열된주기구조체를포함하며, 웨어러블단말기등과같이새롭게등장하는인체착용형전자기기에서발생하는전자파로부터인체를보호하기위해주기구조및 안테나로구성된방사부를통해전자기기로부터방사되는방사패턴을조절하여인체로흡수되는전자파의흡수율을낮출수 있는이점이있다.
    • 本发明的身体佩带出现,如涉及一种体保护装置的电磁波,其包括:包括所述天线辐射体,并且多个单元电池周期性地配置成周期性结构在与各向异性体,可佩戴装置组合形成部分辐射 它具有从发光由周期性结构,并保护人体以调节从所述电子设备的点照射,以降低由人体吸收的电磁波的吸收率的辐射图案的天线的一部分的电子设备产生的电磁波过度。
    • 8. 发明公开
    • 광대역 노이즈 억제를 위한 전력분배회로망
    • 功率分配网络,用于宽带噪声抑制
    • KR1020130061929A
    • 2013-06-12
    • KR1020110128254
    • 2011-12-02
    • 한국전자통신연구원
    • 권종화심동욱곽상일
    • H05K9/00H05K3/46H01L23/12H03K19/00
    • PURPOSE: A power distribution network for restraining broadband noise is provided to restrain a simultaneous switching noise in a wider frequency band and to apply an electromagnetic band gap structure to an actual multilayered package or printed circuit board structure. CONSTITUTION: A power distribution network for restraining broadband noise includes a ground plane and a power plane. A combination of electromagnetic band gap unit cells(110) having various sizes is placed at the ground plane or the power plane. The cell is rectangular or triangular. A pair of concave parts(111,112) is placed at each side of the rectangular cell, and the concave part has a first width and a first length. A convex part(121) is formed at the cell, and has a second width and a second length by the concave parts. The second length is longer than the first length. The convex part having a third length is formed around center of each side of the triangular cell, and the side has a third length.
    • 目的:提供一种用于抑制宽带噪声的配电网络,以限制较宽频带的同时开关噪声,并将电磁带隙结构应用于实际的多层封装或印刷电路板结构。 构成:用于抑制宽带噪声的配电网络包括接地层和电力平面。 具有各种尺寸的电磁带隙单元(110)的组合被放置在接地平面或电源平面上。 单元格是矩形或三角形。 一对凹部(111,112)设置在矩形单元的两侧,凹部具有第一宽度和第一长度。 在该电池单元上形成凸部(121),通过该凹部具有第二宽度和第二长度。 第二长度比第一长度长。 具有第三长度的凸部围绕三角形单元的每一侧的中心形成,并且该侧具有第三长度。