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    • 1. 发明申请
    • Multi-Value Modulation/Demodulation Method and Multi-Value Modulation/Demodulation Device
    • 多值调制/解调方法和多值调制/解调装置
    • US20080304556A1
    • 2008-12-11
    • US11991314
    • 2006-09-06
    • Masayoshi TanakaTakuya Eguchi
    • Masayoshi TanakaTakuya Eguchi
    • H04B1/38H04L27/36
    • H04L27/362H04B7/0615H04L27/0008H04L27/2017
    • Multi-level modulation that is hardly affected by non-linear characteristics of a power amplifier and is equal to or above 64-valued quadrature amplitude modulation (64-QAM) is provided.N (integer equal to or above 3) quadri-phase shift keying (QPSK) outputs having different amplitude levels, i.e., r2=r1·2−(i−1), i=2 . . . N with respect to a maximum amplitude level r1 are superposed after power amplification to form M(=22N)−valued/quadrature amplitude modulation (QAM), and N-1 outputs si except the quadri-phase shift keying QPSK-1 having the maximum amplitude r1 are subjected to power amplification in this formation, then the outputs are combined by a directional coupler to obtain a combined signal, and an output of the quadri-phase shift keying QPSK-1 and the combined signal are transmitted from two systems of antennas to be vectorially superposed and combined in a space. A series/parallel converter is provided before each QPSK unit to divide and input input data of 2N bits, and a variable gain unit and a variable phase shifter adjust a gain and a phase.
    • 提供几乎不受功率放大器的非线性特性影响并且等于或高于64值正交幅度调制(64-QAM)的多电平调制。 N(等于或大于3的整数)具有不同幅度电平的四相移键控(QPSK)输出,即r2 = r1.2-(i-1),i = 2。 。 。 相对于最大幅度电平r1的N被叠加在功率放大之后以形成M(= 22N)值/正交幅度调制(QAM),并且N-1输出si,除了具有最大幅度电平的四相移键控QPSK-1 振幅r1在该形成中进行功率放大,然后通过定向耦合器组合输出以获得组合信号,并且从两个天线系统发射四相移相键控QPSK-1和组合信号的输出 以向量方式叠加并组合在一个空间中。 在每个QPSK单元之前提供串/并联转换器,以分频和输入2N位的输入数据,可变增益单元和可变移相器调整增益和相位。
    • 2. 发明授权
    • Spring biased slide switch
    • 弹簧偏置滑动开关
    • US09412526B2
    • 2016-08-09
    • US14495857
    • 2014-09-24
    • Akira GotoTakuya EguchiHiroaki Ota
    • Akira GotoTakuya EguchiHiroaki Ota
    • H01H13/00H01H3/02H01H15/02H01H23/14
    • H01H3/02H01H15/02H01H23/148
    • A switch includes: a case including a bottom portion and a side wall; a fixed terminal provided on the bottom portion of the case; a supporting member provided in the case; a movable contact strip supported by the supporting member so as to be pivotable in a vertical direction above the fixed terminal; a resilient member provided between the side wall of the case and the movable contact strip, and configured to urge one end portion of the movable contact strip obliquely upward; and a pressing member provided above the resilient member. The movable contact strip pivots and an opened-closed state between the movable contact strip and the fixed terminal is switched by pressing a center portion of the resilient member downward by the pressing member.
    • 开关包括:壳体,包括底部和侧壁; 设置在壳体的底部的固定端子; 设置在壳体中的支撑构件; 可动接触片,其由所述支撑构件支撑,以能够在所述固定端子上方沿垂直方向枢转; 弹性构件,其设置在所述壳体的所述侧壁和所述可动接触片之间,并且构造成将所述可动接触片的一个端部倾斜向上推动; 以及设置在所述弹性构件上方的按压构件。 通过按压部件向下方按压弹性部件的中心部分,切换可动接触片片之间的可动接触片和固定端子之间的打开关闭状态。
    • 3. 发明申请
    • SWITCH AND METHOD OF ASSEMBLING SWITCH
    • 开关和组装开关的方法
    • US20150083559A1
    • 2015-03-26
    • US14495857
    • 2014-09-24
    • Akira GotoTakuya EguchiHiroaki Ota
    • Akira GotoTakuya EguchiHiroaki Ota
    • H01H3/02H01H15/02
    • H01H3/02H01H15/02H01H23/148
    • A switch includes: a case including a bottom portion and a side wall; a fixed terminal provided on the bottom portion of the case; a supporting member provided in the case; a movable contact strip supported by the supporting member so as to be pivotable in a vertical direction above the fixed terminal; a resilient member provided between the side wall of the case and the movable contact strip, and configured to urge one end portion of the movable contact strip obliquely upward; and a pressing member provided above the resilient member. The movable contact strip pivots and an opened-closed state between the movable contact strip and the fixed terminal is switched by pressing a center portion of the resilient member downward by the pressing member.
    • 开关包括:壳体,包括底部和侧壁; 设置在壳体的底部的固定端子; 设置在壳体中的支撑构件; 可动接触片,其由所述支撑构件支撑,以能够在所述固定端子上方沿垂直方向枢转; 弹性构件,其设置在所述壳体的所述侧壁和所述可动接触片之间,并且构造成将所述可动接触片的一个端部倾斜向上推动; 以及设置在所述弹性构件上方的按压构件。 通过按压部件向下方按压弹性部件的中心部分,切换可动接触片片之间的可动接触片和固定端子之间的打开关闭状态。
    • 6. 发明申请
    • SWITCH DEVICE
    • 开关装置
    • US20090057120A1
    • 2009-03-05
    • US12202608
    • 2008-09-02
    • Hideyo KakunoKatsuya KoyamaTakuya Eguchi
    • Hideyo KakunoKatsuya KoyamaTakuya Eguchi
    • H01H13/00
    • H01H21/24H01H2009/0278H01H2021/225
    • There is provided a switch device including a tubular portion which is provided in a casing and is opened at its upper and lower surfaces; a supporting shaft provided in the tubular portion; a manipulation knob which is mounted to the tubular portion such that it covers the opening in the upper surface and is operated to be rotated about the supporting shaft by being manipulated; a switch provided in the casing; a manipulation bar for transmitting the rotating operation on the manipulation knob for changing over the switch between an ON state and an OFF state; an elastic member which generates an elastic force for restoring, to a predetermined rest position, the manipulation knob which has been operated to be rotated; and a first impingement portion and a first to-be-impinged portion which are provided in the manipulation knob and in the tubular portion and are impinged on each other if the manipulation knob is operated to be rotated to reach a limit of this operation, wherein a second impingement portion and a second to-be-impinged portion are provided in surfaces of the manipulation knob and the tubular portion which are different from the surfaces provided with the first impingement portion and the first to-be-impinged portion.
    • 提供了一种开关装置,其包括设置在壳体中并在其上表面和下表面打开的管状部分; 设置在所述管状部分中的支撑轴; 操纵把手,其安装在管状部分上,使得其覆盖上表面中的开口并且被操作以通过被操纵而绕支撑轴旋转; 设置在壳体中的开关; 用于在操作旋钮上传送旋转操作的操作杆,用于在ON状态和OFF状态之间切换切换; 弹性构件,其产生用于将操作旋转的操作旋钮恢复到预定的静止位置的弹性力; 以及第一冲击部分和第一被撞击部分,其设置在操作旋钮和管状部分中,并且如果操作旋钮被旋转以达到该操作的极限,则彼此撞击,其中 操作把手和管状部分的表面设置有与设置有第一冲击部分和第一被撞击部分的表面不同的第二冲击部分和第二撞击部分。