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    • 4. 发明授权
    • Antenna duplexer
    • 天线双工器
    • US06085071A
    • 2000-07-04
    • US41110
    • 1998-03-12
    • Toru YamadaYukihiro TakedaMasaki KitaHideyuki MiyakeToshio IshizakiMakoto FujikawaHideki Hayama
    • Toru YamadaYukihiro TakedaMasaki KitaHideyuki MiyakeToshio IshizakiMakoto FujikawaHideki Hayama
    • H01P1/213H04B1/46
    • H01P1/213
    • An antenna duplexer has a transmission input terminal, a receiving output terminal, an antenna terminal in which a transmission output terminal and a receiving input terminal are used in common, a transmission filter having at least one resonance element set between the transmission input terminal and the transmission output terminal and coupled by a coupling element, a receiving filter having at least one resonance element set between the receiving output terminal and said receiving input terminal and coupled by a coupling element, and an impedance variable element connected to the resonance element of the transmission filter and the resonance element of said receiving filter respectively in parallel, wherein the frequency transfer characteristic of the transmission filter and the frequency transfer characteristic of the receiving filter are controlled by applying control signals and thereby changing the impedances of the impedance variable element.
    • 天线双工器具有发送输入端子,接收输出端子,共同使用发送输出端子和接收输入端子的天线端子,发送滤波器具有设置在发送输入端子和发送输入端子之间的至少一个谐振元件 传输输出端子并通过耦合元件耦合;接收滤波器,具有设置在接收输出端子和所述接收输入端子之间并由耦合元件耦合的至少一个谐振元件,以及连接到变速器的谐振元件的阻抗可变元件 滤波器和所述接收滤波器的谐振元件分别并联,其中通过施加控制信号并由此改变阻抗可变元件的阻抗来控制发送滤波器的频率传递特性和接收滤波器的频率传递特性。
    • 7. 发明授权
    • Full type tapered roller bearing
    • 全型圆锥滚子轴承
    • US07182520B2
    • 2007-02-27
    • US11081706
    • 2005-03-17
    • Hideshi NishiwakiYukihiro Takeda
    • Hideshi NishiwakiYukihiro Takeda
    • F16C33/49
    • F16C33/46F16C19/364F16C33/498F16C33/543F16C2240/40F16C2240/84
    • A bearing assembly includes a full type tapered roller bearing and a roller presser which prevents separation of the rollers not only during transportation but while the outer ring is not mounted. The roller presser includes a ring member, and a plurality of arms extending from one side of the ring member. Each arm is inserted in one of the triangular spaces defined by the tapered raceway of the outer ring and the adjacent tapered rollers. The arms press the rollers against the inner ring. A pair of diametrically opposed bridges are provided, each extending between the free ends of a pair of adjacent arms. The bridges engage two diametrically opposed rollers, thereby preventing separation of the rollers not only during transportation but also while the outer ring is not mounted.
    • 轴承组件包括全型圆锥滚子轴承和滚子压紧器,其不仅在运输期间而且在外圈未安装时防止辊分离。 辊压机包括环形构件和从环构件的一侧延伸的多个臂。 每个臂插入由外圈的锥形滚道和相邻的圆锥滚子限定的三角形空间之一。 双臂将滚筒压靠内圈。 提供了一对径向相对的桥,每个在一对相邻臂的自由端之间延伸。 桥接件与两个直径相对的辊接合,从而不仅在运输过程中而且在外圈未安装时也防止了辊的分离。