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    • 146. 发明申请
    • MULTIMODE FRONTEND CIRCUIT
    • 多模式电路
    • US20120049985A1
    • 2012-03-01
    • US13216442
    • 2011-08-24
    • Kunihiro KawaiHiroshi OkazakiShoichi Narahashi
    • Kunihiro KawaiHiroshi OkazakiShoichi Narahashi
    • H01P1/24
    • H03H7/465H01P1/203H01P1/2135
    • A multimode frontend circuit of the present invention comprises two transmission paths. Each of the transmission paths comprises two input/output lines, a first transmission line having one end connected to one of the input/output lines and the other end connected to the other input/output line, a second transmission line connected to the one of the input/output lines and the other end connected to the other input/output line, and one or more termination switch circuits. The termination switch circuit or circuits comprise a switch having one end connected to one of the first and second transmission lines and a termination circuit connected to the other end of the switch. Each of the transmission lines may comprise one or more short-circuiting switches. The short-circuiting switch or switches are capable of short-circuiting between the two transmission lines at positions at the same electrical length from one of the input/output lines.
    • 本发明的多模前端电路包括两个传输路径。 每个传输路径包括两个输入/输出线,第一传输线的一端连接到输入/输出线之一,另一端连接到另一个输入/输出线,第二传输线连接到 输入/输出线和另一端连接到另一个输入/输出线,以及一个或多个端接开关电路。 终端开关电路或电路包括具有连接到第一和第二传输线之一的一端的开关和连接到开关另一端的终端电路。 每个传输线可以包括一个或多个短路开关。 短路开关或开关能够在来自输入/输出线之一的相同电长度的位置处在两条传输线之间短路。
    • 148. 发明授权
    • Variable resonator, tunable filter, and electric circuit device
    • 可变谐振器,可调滤波器和电路装置
    • US08106727B2
    • 2012-01-31
    • US12035035
    • 2008-02-21
    • Kunihiro KawaiHiroshi OkazakiShoichi Narahashi
    • Kunihiro KawaiHiroshi OkazakiShoichi Narahashi
    • H01P1/203H01P7/08
    • H01P1/2039H01P1/20381H01P7/088
    • A variable resonator that comprises a loop line (902) to which two or more switches (903) are connected and N variable reactance means (102) (N≧3), in which switches (903) are severally connected to different positions on the loop line (902), the other ends of the switches are severally connected to a ground conductor, and the switches are capable of switching electrical connection/non-connection between the ground conductor and the loop line (902), the variable reactance blocks (102) are severally settable to the same reactance value, and the variable reactance blocks (102) are electrically connected to the loop line (902) as branching circuits along the circumference direction of the loop line (902) at equal electrical length intervals.
    • 一种可变谐振器,包括连接有两个或多个开关(903)的环形线(902)和N个可变电抗装置(102)(N≥3),其中开关(903)分别连接到 环路线(902),开关的另一端分别连接到接地导体,并且开关能够切换接地导体和环路线(902)之间的电连接/不连接,可变电抗块( 102)分别设定为相同的电抗值,并且可变电抗块(102)以相等的电长度间隔以环形线(902)的圆周方向作为分支电路电连接到环路线(902)。
    • 149. 发明授权
    • Irreversible circuit element
    • 不可逆电路元件
    • US07821351B2
    • 2010-10-26
    • US11846721
    • 2007-08-29
    • Takayuki FurutaAtsushi FukudaHiroshi OkazakiShoichi Narahashi
    • Takayuki FurutaAtsushi FukudaHiroshi OkazakiShoichi Narahashi
    • H01P1/36
    • H01P1/387
    • An irreversible circuit element is configured by including a magnetic substance, a plurality of central conductors L1 to L3, one ends of which are connected to different input/output ports, arranged on the magnetic substance so as to intersect each other while being insulated from each other, a first conductor P1 connected to the other ends of all the central conductors L1 to L3, a second conductor, a plurality of matching capacitors (each configured by C1 to C3) connecting the one end of the central conductors L1 to L3 and the second conductor and a variable matching mechanism V1, one end of which is connected or integrated with the second conductor, capable of changing reactance between the one end and the other end thereof.
    • 不可逆电路元件通过包括磁性物质,多个中心导体L1至L3(其一端连接到不同的输入/输出端口)而配置在磁性物质上,以便彼此相交,同时与每个 另一方面,连接到所有中心导体L1至L3的另一端的第一导体P1,连接中心导体L1至L3的一端的多个匹配电容器(由C1至C3组成的多个匹配电容器)和第二导体 第二导体和可变匹配机构V1,其一端与第二导体连接或集成,能够改变其一端与另一端之间的电抗。