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    Variable circuit, communication apparatus, mobile communication apparatus and communication system
    2.
    发明公开
    Variable circuit, communication apparatus, mobile communication apparatus and communication system 有权
    可变的Schaltung，Kommunikationsvorrichtung，移动通信系统和社区系统

    公开(公告)号：EP2009802A2

    公开(公告)日：2008-12-31

    申请号：EP08011700.5

    申请日：2008-06-27

    Applicant: NTT DoCoMo, Inc.

    Inventor： Furuta, Takayuki ,  Fukuda, Atsushi ,  Okazaki, Hiroshi ,  Narahashi, Shoichi

    IPC: H04B1/00 ,  H01H59/00

    CPC classification number: H04B1/005

    Abstract: A variable circuit that has a device that changes the mechanical state thereof and has a characteristic that is changed by a change of the mechanical state of the device, the variable circuit including: a controlling section 20 that turns the device from a current state, which is a current mechanical state, to a different state, which is a state different from the current state, and returns the device from the different state to the current state; and a trigger transmitting section 22 that transmits a first trigger to turn said device from the current state to the different state to the controlling section 20.

    Abstract translation: 一种可变电路，其具有改变其机械状态并具有通过装置的机械状态的变化而改变的特性的装置，所述可变电路包括：控制部20，其将装置从当前状态转动， 是当前机械状态，处于与当前状态不同的状态的不同状态，并将设备从不同状态返回到当前状态; 以及触发发送部22，其发送第一触发器，以将所述设备从当前状态转换到不同状态到控制部分20。

    Non-reciprocal circuit device
    3.
    发明公开
    Non-reciprocal circuit device 有权
    Nichtreziprokes Schaltungselement

    公开(公告)号：EP2093827A1

    公开(公告)日：2009-08-26

    申请号：EP09002236.9

    申请日：2009-02-18

    Applicant: NTT DoCoMo, Inc.

    Inventor： Furuta, Takayuki ,  Okazaki, Hiroshi ,  Narahashi, Shoichi

    IPC: H01P1/383

    CPC classification number: H01P1/383

    Abstract: A non-reciprocal circuit device (10) comprising a magnetic plate (F1); center conductors (L1,L2, and L3) that are mutually insulated and disposed so as to intersect on magnetic plate (F1); a plane conductor (P1) that is disposed facing the center conductors with magnetic plate (F1) placed therebetween, the plane conductor being connected to first ends of all the center conductors; matching capacitors (C1 to C3) that have first ends grounded electrically and second ends connected to second ends of the center conductors; first matching circuits (M11,M12,M13) that have first ends connected to the second ends of the center conductors and second ends that are input/output ports; and a second matching circuit (M2) that has a first end connected to or integrated with the plane conductor and a second end grounded electrically.

    Abstract translation: 一种包括磁性板（F1）的不可逆电路装置（10）; 中心导体（L1，L2和L3），它们相互绝缘并设置成与磁板（F1）相交; 平面导体（P1），其面对中心导体设置有磁性板（F1），所述平面导体连接到所有中心导体的第一端; 匹配电容器（C1至C3），其第一端电连接，第二端连接到中心导体的第二端; 第一匹配电路（M11，M12，M13），其第一端连接到作为输入/输出端口的中心导体和第二端的第二端; 以及第二匹配电路（M2），其具有连接到所述平面导体或与所述平面导体一体化的第一端，以及第二端电接地连接。

    Irreversible circuit element
    7.
    发明公开
    Irreversible circuit element 有权
    不可逆的Schaltungselement

    公开(公告)号：EP1895616A1

    公开(公告)日：2008-03-05

    申请号：EP07016681.4

    申请日：2007-08-24

    Applicant: NTT DoCoMo, Inc.

    Inventor： Furuta, Takayuki ,  Fukuda, Atsushi ,  Okazaki, Hiroshi ,  Narahashi, Shoichi

    IPC: H01P1/387

    CPC classification number: H01P1/387

    Abstract: 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 L 1 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.

    Abstract translation: 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 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。

    Variable matching circuit
    10.
    发明公开
    Variable matching circuit 有权
    变量Anpassungsschaltung

    公开(公告)号：EP2475098A2

    公开(公告)日：2012-07-11

    申请号：EP12150260.3

    申请日：2012-01-05

    Applicant: NTT DoCoMo, Inc.

    Inventor： Furuta, Takayuki ,  Fukuda, Atsushi ,  Okazaki, Hiroshi ,  Narahashi, Shoichi

    IPC: H03H11/28

    CPC classification number: H03H7/38 ,  H01P1/2039 ,  H03H7/46 ,  H03H2007/386

    Abstract: A first line stub SB1 and one end of each of two switches SW1 and SW2 are connected to a transmission line 11L at spacings L1, L2 and L3 in order from the input end of the transmission line 11L, the other ends of the two switches are connected to a second line stub SB2, the first and second line stubs have an open end or short-circuit end, and matching at any of four frequency bands can be selected by combining on and off of the two switches SW1 and SW2.

    Abstract translation: 两条开关SW1和SW2的第一线短截线SB1和一端分别从传输线路11L的输入端依次连接到间隔L1，L2和L3的传输线11L，两个开关的另一端分别为 连接到第二线段SB2，第一和第二线短截线具有开路端或短路端，并且可以通过组合两个开关SW1和SW2的导通和关断来选择四个频带中的任一个的匹配。

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