TEM-mode dielectric resonator and bandpass filter using the resonator
    12.
    发明授权
    TEM-mode dielectric resonator and bandpass filter using the resonator 失效
    TEM模式介质谐振器和使用谐振器的带通滤波器

    公开(公告)号:US06621381B1

    公开(公告)日:2003-09-16

    申请号:US09716204

    申请日:2000-11-21

    IPC分类号: H01P120

    CPC分类号: H01P7/105 H01P1/2002

    摘要: A TEM mode &lgr;/4 dielectric resonator includes a rectangular dielectric block having a top planar surface, a bottom planar surface and four side surfaces, a first metal layer coated on the top planar surface, a second metal layer coated on the bottom planar surface, and a third metal layer coated on one of the four side surfaces.

    摘要翻译: TEM模式lambd / 4介电谐振器包括:具有顶部平坦表面,底部平面表面和四个侧表面的矩形介质块,涂覆在顶部平坦表面上的第一金属层,涂覆在底部平坦表面上的第二金属层, 以及涂覆在四个侧表面之一上的第三金属层。

    Delay compensation device, delay line component and manufacturing method of the delay line component
    13.
    发明授权
    Delay compensation device, delay line component and manufacturing method of the delay line component 失效
    延迟补偿装置,延迟线组件和延迟线组件的制造方法

    公开(公告)号:US06337609B1

    公开(公告)日:2002-01-08

    申请号:US09381298

    申请日:1999-09-22

    IPC分类号: H01P900

    CPC分类号: H01P3/06 H01P9/00

    摘要: A delay line component having merits of small physical size and small insertion loss in a radio frequency. The delay line component with coaxial cable structure includes a center conductor, a dielectric which surrounds the center conductor and an outer conductor which is formed outside the dielectric. The dielectric is made of a ceramic dielectric with a large dielectric constant.

    摘要翻译: 具有物理尺寸小,射频插入损耗小的延迟线分量。 具有同轴电缆结构的延迟线部​​件包括中心导体,围绕中心导体的电介质和形成在电介质外部的外部导体。 电介质由具有大介电常数的陶瓷电介质制成。

    Antenna device
    14.
    发明授权
    Antenna device 有权
    天线设备

    公开(公告)号:US08681063B2

    公开(公告)日:2014-03-25

    申请号:US13402208

    申请日:2012-02-22

    IPC分类号: H01Q11/12

    CPC分类号: H01Q1/243 H01Q7/00 H01Q9/0407

    摘要: An antenna device includes a loop-shaped element radiating a radio wave of at least wavelength λ and having an electrical length of m×λ; a first power feeder exciting the loop-shaped element via voltage or current coupling by using a first electrical signal for radiating the radio wave; and a second power feeder exciting the loop-shaped element via a coupling method that is the same type as the first power feeder by using a second electrical signal for radiating a radio wave of wavelength λ/(2×p−1) at a portion that becomes a node of a standing wave that is formed with the first power feeder as an anti-node and that is based on the first electrical signal, here, “m” and “p” are natural numbers.

    摘要翻译: 天线装置包括:辐射至少波长为λ且电长度为m×λ的无线电波的环形元件; 通过使用用于辐射无线电波的第一电信号通过电压或电流耦合激励环形元件的第一馈电器; 以及第二供电器,通过使用与第一供电器相同类型的耦合方法,通过使用第二电信号在一部分处发射波长λ/(2×p-1)的无线电波来激励所述环形元件 其成为由第一供电器形成为反节点并且基于第一电信号的驻波的节点,这里,“m”和“p”是自然数。

    Circulator element
    16.
    发明授权
    Circulator element 失效
    循环器元件

    公开(公告)号:US07286025B2

    公开(公告)日:2007-10-23

    申请号:US11175930

    申请日:2005-07-06

    IPC分类号: H01P1/38

    CPC分类号: H01P1/387

    摘要: A technique for improving a circulator element for its temperature characteristic is provided. A circulator element including a garnet type ferrite material, and a permanent magnet for applying a direct-current magnetic field to the garnet type ferrite material, wherein S11 represents the saturation magnetization of said garnet type ferrite material at a temperature T1, S12 represents one at a temperature T2, and S13 represents one at a temperature T3; and S21 represents the saturation magnetization of said permanent magnet at a temperature T1, S22 represents one at a temperature T2, and S23 represents one at a temperature T3, where T1 |(S23−S22)/(T3−T2)| are satisfied.

    摘要翻译: 提供了一种用于改善其温度特性的循环器元件的技术。 包括石榴石型铁氧体材料的循环器元件和用于向石榴石型铁氧体材料施加直流磁场的永久磁铁,其中S 11表示所述石榴石型铁氧体材料在温度T 1,S 12下的饱和磁化强度 在温度T 2下表示1,在温度T 3下表示1, S 21表示在温度T 1时的永磁体的饱和磁化强度,S 22表示温度T 2下的一个,S 23表示T 1 |(S 12 -S 11)/(T 2- T 1)| <|(S 22 -S 21)/(T 2- T 1)| 和<?in-line-formula description =“In-line Formulas”end =“tail”?> <?in-line-formula description =“In-line Formulas”end =“lead”?> |(S 13- S 12)/(T 3 -T 2)|> |(S 23 -S 22)/(T 3- T 2)| 满足<?in-line-formula description =“在线公式”end =“tail”?>