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    • 52. 发明申请
    • Antenna Apparatus
    • 天线装置
    • US20080018546A1
    • 2008-01-24
    • US11630379
    • 2005-11-28
    • Tomoya NakanishiHiroyuki UnoYutaka Saito
    • Tomoya NakanishiHiroyuki UnoYutaka Saito
    • H01Q11/06
    • H01Q11/06H01Q1/32H01Q3/247H01Q7/00H01Q13/10
    • An antenna apparatus capable of main beam direction switching is provided that achieves high gain with a small, planar configuration. Rhombic antenna sections composed of linear elements 101a through 101d, 102a through 102d, and 103a through 103d are arranged in the same plane, and the rhombic antenna sections are connected by linear linking elements 104a through 104d. Linear detour elements 105a and 105b are connected to the pair of vertices of the rhombic antenna sections arranged at each end. Feed points 106a and 106b are provided at the other opposite two pairs of vertices of any of the rhombic antenna sections, and the opposite vertices of the other rhombic antenna sections are connected by linear elements. A plate reflector is arranged at a distance h from, and parallel to, the surface on which the rhombic antenna elements are arranged.
    • 提供能够进行主光束方向切换的天线装置,其以小的平面配置实现高增益。 由线性元件101a至101d,102a至102d和103a至103d组成的菱形天线部分布置在同一平面中,菱形天线部分通过线性连接元件104a至104d连接。 线性绕行元件105a和105b连接到布置在每一端的菱形天线部分的一对顶点。 馈电点106a和106b设置在任何菱形天线部分的另一相对的两对顶点处,而另一个菱形天线部分的相对顶点通过线性元件连接。 平板反射器布置在与其布置菱形天线元件的表面相距离并平行的表面上。
    • 53. 发明申请
    • Antenna assembly
    • 天线组件
    • US20060152413A1
    • 2006-07-13
    • US10545260
    • 2004-01-16
    • Hiroyuki UnoYutaka SaitoGenichiro OtaHiroshi Haruki
    • Hiroyuki UnoYutaka SaitoGenichiro OtaHiroshi Haruki
    • H01Q1/38
    • H01Q21/293H01Q3/24
    • A dielectric substrate 101 is a square substrate having a dielectric constant εr, thickness t and length per side of Wd. A grounding conductor 102 is provided on one side of the dielectric substrate 101 in the same shape as the dielectric substrate 101. An MSA element 103 is formed of square copper foil having a length per side of Wp in the center of the other side of the dielectric substrate 101. Mono-pole antennas 104a to 104d are copper wires having a diameter D and length L and are spaced uniformly on diagonals of the MSA element 103 and disposed perpendicular to the dielectric substrate 101. The MSA element 103 or mono-pole antennas 104a to 104d is selectively fed, whichever has higher reception power. When the mono-pole antennas 104a to 104d are selected, the phases and amplitudes of the respective elements are controlled. This makes it possible to obtain a high gain in all directions over a hemisphere face from the horizontal direction to the vertical direction and provide an antenna apparatus in a small and simple configuration.
    • 电介质基板101是具有介电常数ε,厚度t和Wd侧的长度的方形基板。 接地导体102以与电介质基板101相同的形状设置在电介质基板101的一侧.MSA元件103由方形铜箔形成,该方形铜箔的边的另一侧的中心具有Wp侧的长度 电介质基板101.单极天线104a至104d是具有直径D和长度L的铜线,并且均匀分布在MSA元件103的对角线上并垂直于电介质基板101设置.MSA元件103或单电极基板101。 选择性地馈送极天线104a至104d,以较高的接收功率为准。 当选择单极天线104a至104d时,控制各个元件的相位和振幅。 这使得可以从水平方向到垂直方向在半球面上获得在所有方向上的高增益,并且以简单的结构提供天线装置。
    • 54. 发明申请
    • Antenna device
    • 天线设备
    • US20060071870A1
    • 2006-04-06
    • US10542783
    • 2004-01-16
    • Yutaka SaitoHiroyuki UnoGenichiro OtaHiroshi Haruki
    • Yutaka SaitoHiroyuki UnoGenichiro OtaHiroshi Haruki
    • H01Q13/10
    • H01Q19/10H01Q9/265H01Q11/06H01Q11/14H01Q13/16H01Q21/08
    • Linear elements 101a to 101d are conductors, which have the element length equivalent to half a wavelength, have been placed so that they may draw a diamond shape. Delay elements 102a and 102b are bent conductors, which have a total length equivalent to one fourth wavelength and a length L2 equivalent to one eighth. The linear elements 101a and 101c are connected one another via the delay element 102a, while the linear elements 101b and 101d are connected one another via the delay element 102b. A feeding section 103 is connected to each of the ends of the linear elements 101a and 101b for feeding power to them. Between the tips of the linear elements 101c and 101d, a gap with a length L3 is left. A reflector 104 has been placed at a distance h from a diamond-shape antenna with delay elements along the −Z axis, the distance h being equivalent to 0.42 wavelength. This achieves the antenna device, which may be suitably mounted on any of small wireless apparatuses and form a primary beam, of which horizontally-polarized wave or vertically-polarized wave tilts toward the horizontal direction.
    • 线性元件101a至101d是具有等于半波长的元件长度的导体,已经被放置成使得它们可以绘制菱形形状。 延迟元件102a和102b是具有等于四分之一波长的总长度和等于八分之一的长度L 2的弯曲导体。 线性元件101a和101c经由延迟元件102a彼此连接,而线性元件101b和101d经由延迟元件102b彼此连接。 馈电部分103连接到线性元件101a和101b的每个端部,用于向它们供电。 在线性元件101c和101d的尖端之间留有长度为L 3的间隙。 反射器104与距离-Z轴的延迟元件的菱形天线距离h放置,距离h等于0.42波长。 这实现了天线装置,其可以适当地安装在小型无线装置中的任何一个上,并且形成水平极化波或垂直偏振波朝向水平方向倾斜的主波束。
    • 60. 发明授权
    • Scannable antenna matrix having an amplifying element for each antenna
element
    • 可扫描天线阵列具有用于每个天线元件的放大元件
    • US5932999A
    • 1999-08-03
    • US152800
    • 1998-09-14
    • Yutaka Saito
    • Yutaka Saito
    • G01R29/08G01R21/04G01R31/02
    • G01R29/0814G01R29/0878
    • An EM radiation measuring apparatus. An antenna element matrix (20) on a substrate includes 1st to Lth arrays (4) which are successively arranged in an X direction. Each of the 1st to Lth arrays includes antenna elements arranged in Y direction and having a column output terminal (7), each antenna element receiving an EM radiation from a target and generating a detection signal. A signal selector (5, 3, 2, 7) responsive to X and Y selection signals selectively amplifies and supplies the detection signal from one of antenna elements to one of the column output terminals. 1st to Nth signal outputting circuits selectively couple the column output terminals to provide a single output detection signal. The inputs of the 1st signal outputting circuits are connected to the column output terminals respectively, and each of the 1st to Nth outputting circuits has a transmission line(s) substantially extending in the X direction to connect its output terminals to an input of the next outputting circuit.
    • EM辐射测量仪器。 衬底上的天线元件矩阵(20)包括在X方向上连续布置的第1至第L阵列(4)。 第一至第L阵列中的每一个包括沿Y方向布置并具有列输出端子(7)的天线元件,每个天线元件从目标接收EM辐射并产生检测信号。 响应于X和Y选择信号的信号选择器(5,3,2,7)选择性地放大并将检测信号从天线元件之一提供给列输出端中的一个。 第一至第N信号输出电路选择性地耦合列输出端以提供单输出检测信号。 第一信号输出电路的输入分别连接到列输出端,第一至第N输出电路中的每一个具有在X方向上基本上延伸的传输线,以将其输出端连接到下一个输入端 输出电路。