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    • 22. 发明授权
    • Laminate pattern antenna and wireless communication device equipped therewith
    • 叠层图案天线和配备其的无线通信装置
    • US06535167B2
    • 2003-03-18
    • US09859449
    • 2001-05-18
    • Yoshiyuki MasudaHisamatsu Nakano
    • Yoshiyuki MasudaHisamatsu Nakano
    • H01Q138
    • H01Q9/42H01Q1/38H01Q9/0421H01Q9/0442
    • An inverted-F-shaped antenna pattern is formed as a driven element on the obverse-side surface of a glass-epoxy circuit board. This antenna pattern has a feeding conductor pattern connected to a feeding transmission path formed on the obverse-side surface of the circuit board and a grounding conductor pattern connected to a grounding conductor portion formed on the obverse-side surface of the circuit board. Moreover, an inverted-L-shaped antenna pattern is formed as a passive element on the reverse-side surface of the circuit board. This antenna pattern has a grounding conductor pattern connected to a grounding conductor portion formed on the reverse-side surface of the circuit board. Forming the inverted-F-shaped antenna pattern and the inverted-L-shaped antenna pattern so as to overlap each other yields a laminate pattern antenna that is usable in a wide frequency range.
    • 在玻璃 - 环氧树脂电路板的正面上形成倒F形天线图案作为被驱动元件。 该天线图案具有连接到形成在电路板的正面侧的馈电传输路径的馈电导体图案,以及连接到形成在电路板的正面侧的接地导体部分的接地导体图案。 此外,在电路板的反面上形成倒L字形天线图案作为无源元件。 该天线图形具有与形成在电路板的背面的接地导体部连接的接地导体图案。 形成倒F形天线图案和倒L形天线图案以彼此重叠,产生可在宽频率范围内使用的叠层图案天线。
    • 25. 发明授权
    • Wave absorber and manufacturing method of wave absorber
    • 波浪吸收器及其制造方法
    • US07864095B2
    • 2011-01-04
    • US10598345
    • 2005-02-25
    • Yoshiyuki MasudaNoboru OtaniHisamatsu Nakano
    • Yoshiyuki MasudaNoboru OtaniHisamatsu Nakano
    • H01Q17/00
    • H05K9/0083H01Q1/38H01Q1/44H01Q15/00H01Q15/0013H01Q17/00H05K9/0086H05K9/0088Y10T29/49126
    • The problem of the present invention is to offer a wave absorber that has reflection attenuation capability sufficient to enable prevention of communication disturbances due to reflection and the like of EM waves, that enables greater thinness and lighter weight, and that has wide-band attenuation properties, as well as a manufacturing method of the wave absorber. The wave absorber of the present invention has a structure which sequentially laminates a grid-like conductor layer composed of an electric conductor, a first dielectric layer, a high-resistance conductor layer having a surface resistivity within a prescribed range, a second dielectric layer, and a pattern layer having multiple patterns composed of an electric conductor, wherein each pattern in said pattern layer differs in either or both of size and form relative to another adjacent pattern.
    • 本发明的问题是提供一种具有足够的反射衰减能力的波吸收体,能够防止由于EM波的反射等导致的通信干扰,从而能够实现更大的薄度和更轻的重量,并且具有宽带衰减特性 ,以及波吸收体的制造方法。 本发明的波吸收体具有以下结构:依次层叠由导电体构成的格子状导体层,第一电介质层,表面电阻率在规定范围内的高电阻导体层,第二电介质层, 以及具有由导电体组成的多个图案的图案层,其中所述图案层中的每个图案相对于另一相邻图案的大小和形状都有一个或两个不同。
    • 26. 发明授权
    • Optical multi-demultiplexer
    • 光多路分解器
    • US07031569B2
    • 2006-04-18
    • US10676210
    • 2003-10-01
    • Junji YamauchiMichiya MasudaRyouichi TazawaHisamatsu NakanoYuichi Yamamoto
    • Junji YamauchiMichiya MasudaRyouichi TazawaHisamatsu NakanoYuichi Yamamoto
    • G02B6/34
    • G02B6/12014
    • An arrayed-waveguide grating type optical multi-demultiplexer includes input waveguides, a first slab waveguide, a channel waveguide array, a second slab waveguide, and output waveguides. A pair of different refractive index regions, each having a refractive index different from that of the second slab waveguide, are formed on the second slab waveguide near a boundary between the second slab waveguide and channel waveguide array. The different refractive index regions project in peninsular shapes from both side portions of the slab waveguide. Light traveling from each waveguide of the channel waveguide array toward the output waveguides passes through the different refractive index regions. An optical distribution with a flattened field-distribution peak is created at a boundary between the second slab waveguide and output waveguides.
    • 阵列波导光栅型光多路解复用器包括输入波导,第一平板波导,通道波导阵列,第二平板波导和输出波导。 在第二平板波导和第二平板波导阵列之间的边界附近的第二平板波导上形成一对折射率不同于第二平板波导的折射率的折射率区域。 不同的折射率区域从平板波导的两侧投影成半岛形状。 从信道波导阵列的每个波导向输出波导传播的光穿过不同的折射率区域。 在第二平板波导和输出波导之间的边界处产生具有平坦场分布峰的光分布。
    • 30. 发明授权
    • Wave absorber
    • 波浪吸收器
    • US07777664B2
    • 2010-08-17
    • US11574701
    • 2005-08-31
    • Yoshiyuki MasudaNoboru OtaniHisamatsu Nakano
    • Yoshiyuki MasudaNoboru OtaniHisamatsu Nakano
    • H01Q17/00
    • H05K9/0088H01Q15/0013H01Q15/0026H01Q15/14H01Q17/00H01Q19/10
    • A wave absorber of the present invention includes a sequentially laminated structure including an conductor layer (11) made of a conductive material; a first dielectric layer (polycarbonate substrate (12) and bismaleimide-triazine substrate (13)) made of one layer or a multilayer of a dielectric material; and a patterned layer (14) including a plurality of a pattern made of the conductive material, wherein the conductor layer, the first dielectric layer, and the patterned layer are laminated sequentially, and each pattern in the patterned layer (14) is different from other adjacent patterns with respect to at least one of size and shape. Therefore, the wave absorber has sufficient reflection-attenuating capability to prevent communication failure caused by a reflection of a radio wave and so on, can be thin-sized and reduced in weight, and has a wide-band attenuation property.
    • 本发明的吸波体包括依次叠层结构,其包括由导电材料制成的导体层(11); 由介电材料的一层或多层构成的第一电介质层(聚碳酸酯基板(12)和双马来酰亚胺 - 三嗪基板); 以及包括由导电材料制成的多个图案的图案层(14),其中导体层,第一介电层和图案化层被顺序地层叠,并且图案化层(14)中的每个图案不同于 相对于尺寸和形状中的至少一个的其它相邻图案。 因此,该波浪体具有足够的反射衰减能力,能够防止由于无线电波等的反射引起的通信故障,能够实现薄型化,轻量化,具有宽带衰减特性。