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    • 41. 发明专利
    • Structure configuration method for controlling radio wave propagation environment
    • 用于控制无线电波传播环境的结构配置方法
    • JP2013143562A
    • 2013-07-22
    • JP2012015893
    • 2012-01-11
    • Yoji Kozuka洋司 小塚
    • KOZUKA YOJI
    • H05K9/00H01Q3/44H01Q15/14H01Q17/00
    • PROBLEM TO BE SOLVED: To provide a structure configuration method for controlling a radio wave propagation environment in which order of a radio wave propagation environment is given by further freely and positively controlling the radio wave propagation environment where further complication is predicted in the future.SOLUTION: A structure 1 for controlling a radio wave propagation environment is configured which can control various kinds of indoor/outdoor radio wave propagation environments by focusing eyes on radio wave reflection having an electromagnetic field sensitive function body 5 and the electrical controllability having a high degree of freedom in a radio wave absorption amount and focusing attention on characteristics of solving a problem of a number of feeding wires by using only two feeding wires from the left and right sides of a substrate instead of the feeding wires to an active element having 144 numbers per a substrate having an area of 30 cm square in a prototype.
    • 要解决的问题:提供一种用于控制无线电波传播环境的结构配置方法,其中通过进一步自由地和积极地控制将来预测进一步复杂化的无线电波传播环境来给出无线电波传播环境的顺序。 用于控制无线电波传播环境的结构1可以通过聚焦眼睛对具有电磁场敏感功能体5的无线电波反射来控制各种室内/室外无线电波传播环境,并且具有高度 无线电波吸收量的自由度,并且集中注意通过仅使用来自基板的左侧和右侧的两根馈线来解决多个馈电线的问题的特性,而不是将馈线连接到具有144个数字的有源元件 在原型中具有30cm见方面积的基底。
    • 43. 发明专利
    • Radio tag reader and monitor system
    • 无线电标签读取器和监视器系统
    • JP2013061151A
    • 2013-04-04
    • JP2011197744
    • 2011-09-10
    • Denso Wave Inc株式会社デンソーウェーブ
    • MUTO EIJIHIRATA TATSUYA
    • G01S3/20G01S13/74G01S13/86G01S17/87G06K17/00H01Q3/44H01Q21/24H04B1/59H04B7/10
    • PROBLEM TO BE SOLVED: To provide a radio tag reader which has good precision of direction detection of a radio tag.SOLUTION: Correlation errors between electric power intensity patterns and a reference pattern are calculated respectively from radio waves from respective antennas 412, 414, and 416 of a radio tag 400 (S108). The reference pattern is an electric power intensity pattern when a vertical polarized wave is received in an ideal environment on sequential switching of directivity by an antenna part 1. Correlation errors Γ between the reference pattern and received electric power intensity patterns of the radio waves received from the respective antennas 412, 414, and 416 have large values when the received radio waves principally comprise horizontal polarized waves. An electric power intensity pattern having a minimum correlation error Γ is selected as a pattern for direction estimation, so the selected pattern may be a pattern when the radio wave principally comprising the vertical polarized waves are received with high possibility. Direction detection of the radio tag 400 can be therefore performed with high precision.
    • 要解决的问题:提供一种具有良好的无线电标签的方向检测精度的无线标签读取器。 解决方案:分别从无线电标签400的各个天线412,414和416的无线电波计算电力强度模式与参考模式之间的相关误差(S108)。 参考图案是当在天线部分1的顺序切换方向性时在理想环境中接收到垂直极化波时的电力强度图案。从基准图案和接收到的无线电波的接收电力强度图案之间的相关误差Γ 当接收的无线电波主要包括水平极化波时,各个天线412,414和416具有大的值。 选择具有最小相关误差Γ的电力强度图案作为用于方向估计的图案,因此当以高可能性接收主要包括垂直极化波的无线电波时,所选择的图案可以是图案。 因此能够高精度地进行无线标签400的方向检测。 版权所有(C)2013,JPO&INPIT
    • 45. 发明专利
    • Base station and autonomous setting method of base station
    • 基站的基站和自动设置方法
    • JP2012253709A
    • 2012-12-20
    • JP2011126996
    • 2011-06-07
    • Kyocera Corp京セラ株式会社
    • MIURA TAKANORI
    • H01Q3/24H01Q3/44
    • PROBLEM TO BE SOLVED: To provide a base station and an autonomous setting method of base station capable of autonomously setting an azimuth angle of a base station antenna according to change in peripheral environment of the base station.SOLUTION: An azimuth angle calculation part 21 acquires a position coordinate of a radio terminal in a sector which is the object of one sector antenna, and calculates an azimuth angle according to the position coordinate. A determination part 22 determines whether or not the azimuth angle according to the position coordinate of the radio terminal is larger than an ideal azimuth angle which the sector antenna estimates. An azimuth angle setting part 23, when the determination part 22 determines that the azimuth angle is larger than the ideal azimuth angle, selects a larger interval between two element antennas of array antenna 31-j(j=1-3) to be supplied with power, and controls an azimuth angle in front side direction on a horizontal plane of electric waves radiated by the array antenna 31-j(j=1-3).
    • 解决的问题:提供一种能够根据基站的周边环境的变化自主地设定基站天线的方位角的基站和自主设定方法。 解决方案:方位角计算部21获取作为一个扇形天线的对象的扇区中的无线终端的位置坐标,并根据位置坐标来计算方位角。 确定部分22确定根据无线电终端的位置坐标的方位角是否大于扇形天线估计的理想方位角。 方位角设定部23,在判定部22判定方位角大于理想方位角的情况下,选择在阵列天线31-j(j = 1-3)的两个元件天线之间较大的间隔, 并且控制由阵列天线31-j辐射的电波的水平面上的正面方向的方位角(j = 1-3)。 版权所有(C)2013,JPO&INPIT
    • 50. 发明专利
    • Antenna device
    • 天线设备
    • JP2011166416A
    • 2011-08-25
    • JP2010026409
    • 2010-02-09
    • Toyota Central R&D Labs Inc株式会社豊田中央研究所
    • MURAMATSU JUNYAWATANABE TOSHIAKISATO KAZUOYAMADA YOSHIFUSADOGE TAKAFUMI
    • H01Q3/44H01Q9/40H01Q13/08
    • PROBLEM TO BE SOLVED: To provide a compact antenna device whose directivity can be controlled. SOLUTION: The antenna device includes a power feeding element 1 and a parasitic element 2, and is arranged in the upper part of a ground conductor 3. The power feeding element 1 is constituted of a first metal plate 10, a power feeding pin 11, and four shorting pins 12. The first metal plate 10 is arranged in parallel with the upper part of the grounding conductor 3. The power feeding pin 11 is arranged between the first metal plate 10 and the grounding conductor 3. The shorting pins 12 connect the first metal plate 10 to the grounding conductor 3. The parasitic element 2 has a structure where four unit cells 20 are linearly arranged, wherein each unit cell 20 has a mushroom structure constituted of: a dielectric substrate 22; second metal plates 21 formed on the dielectric substrate 22; a shorting pin 23 connecting the second metal plates 21 to the grounding conductor 3; and variable capacitors 24. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供可以控制其方向性的紧凑型天线装置。

      解决方案:天线装置包括馈电元件1和寄生元件2,并且布置在接地导体3的上部。馈电元件1由第一金属板10,馈电 销11和四个短路销12.第一金属板10与接地导体3的上部平行布置。供电销11布置在第一金属板10和接地导体3之间。短路销 12将第一金属板10连接到接地导体3.寄生元件2具有四个单元电池20线性排列的结构,其中每个单电池20具有由以下部件构成的蘑菇结构:电介质基板22; 形成在电介质基板22上的第二金属板21; 将第二金属板21连接到接地导体3的短路销23; 和可变电容器24.版权所有(C)2011,JPO&INPIT