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    • 91. 发明授权
    • Filter with improved capacitive coupling portion
    • 滤波器具有改进的电容耦合部分
    • US07378924B2
    • 2008-05-27
    • US11046942
    • 2005-02-01
    • Daisuke KoizumiKei SatohShoichi Narahashi
    • Daisuke KoizumiKei SatohShoichi Narahashi
    • H01P1/20H01P3/08H01P5/12H01P7/08
    • H01P1/2013
    • A filter is provided which comprises a single dielectric, and a line conductor and a ground conductor disposed on the dielectric. The line conductor includes first and second line conductor sections having opposed portions defining an open gap therebetween to form a capacitive coupling section. The edge lines of the opposed portions of the first and second conductor sections defining the open gap therebetween are substantially elongated relative to the line width of the corresponding conductor sections. The thus constructed filter is capable of suppressing a variation in the normalized J-inverter value even if dimensional errors relative to the design specifications due to overetching or underetching involved during the manufacture.
    • 提供了一种滤波器,其包括单个电介质,以及设置在电介质上的线路导体和接地导体。 线路导体包括第一和第二线路导体部分,其具有限定它们之间的开放间隙的相对部分,以形成电容耦合部分。 限定它们之间的开放间隙的第一和第二导体部分的相对部分的边缘线相对于相应的导体部分的线宽度基本上是细长的。 这样构成的滤波器即使在制造过程中涉及到的由于过度蚀刻或不平整而导致的相对于设计规格的尺寸误差,也能够抑制归一化的J-逆变器值的变化。
    • 94. 发明申请
    • Dielectric Resonance Apparatus, Oscillation Apparatus, and Transmission/Reception Apparatus
    • 介质谐振装置,振荡装置和传输/接收装置
    • US20070229197A1
    • 2007-10-04
    • US11761432
    • 2007-06-12
    • Takeshi Okano
    • Takeshi Okano
    • H01P7/08H01P7/10
    • H01P7/10H01P7/082H03B5/1876
    • A substantially circular electrode 3 is arranged on a surface 2A of a dielectric substrate 2 of a TM010-mode resonator 1. A coupling line 5, which extends along a diameter of the substantially circular electrode 3, is arranged on a back surface 2B of the dielectric substrate 2, and back-surface electrodes 7 are arranged with the coupling line 5 interposed therebetween in the width direction. Furthermore, signal lines 11 and ground electrodes 13 are arranged on a surface of an external substrate 10 in positions other than portions facing the coupling line 5 of the TM010-mode resonator 1. The signal lines 11 are connected to the coupling line 5 of the TM010-mode resonator 1 and the ground electrodes 13 is connected to the back surface electrodes 7.
    • 在TM010型谐振器1的电介质基板2的表面2A上配置有大致圆形的电极3。 沿着大致圆形电极3的直径延伸的连接线5布置在电介质基板2的背面2B上,并且背面电极7沿着宽度方向插入其间连接线5 。 此外,信号线11和接地电极13在面向TM010模式谐振器1的耦合线5的部分之外的位置处布置在外部基板10的表面上。 信号线11与TM010型谐振器1的耦合线5连接,接地电极13与背面电极7连接。
    • 95. 发明授权
    • Dual-band bandpass filter
    • 双频带通滤波器
    • US07116186B2
    • 2006-10-03
    • US11037057
    • 2005-01-19
    • Cheng-Chung Chen
    • Cheng-Chung Chen
    • H01P5/12H01P1/20H01P3/08H01P7/08
    • H04B1/0067H04B1/0057
    • A dual-band bandpass filter having a first pass band and a second pass band respectively corresponding to a first frequency and a second frequency. The filter includes a first pair of resonators, a second pair of resonators and a first coupling element. The first pair of resonators includes a first resonator and a second resonator, which share a first grounding transmission line and are grounded through the first grounding transmission line to generate coupling. The second pair of resonators includes a third resonator and a fourth resonator, which share a second grounding transmission line and are grounded through the second grounding transmission line to generate coupling. The first coupling element connected between the first and second pairs of resonators makes the first and second pairs of resonators produce coupling such that the dual-band bandpass filter has the first and second pass bands.
    • 一种双带带通滤波器,具有分别对应于第一频率和第二频率的第一通带和第二通带。 滤波器包括第一对谐振器,第二对谐振器和第一耦合元件。 第一对谐振器包括第一谐振器和第二谐振器,共享第一接地传输线并通过第一接地传输线接地以产生耦合。 第二对谐振器包括共享第二接地传输线并通过第二接地传输线接地以产生耦合的第三谐振器和第四谐振器。 连接在第一和第二对谐振器对之间的第一耦合元件使得第一和第二对谐振器产生耦合,使得双频带通滤波器具有第一和第二通带。