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    • 6. 发明申请
    • Two-port isolator, characteristic adjusting method therefor, and communication apparatus
    • 双端口隔离器,其特征调整方法和通信装置
    • US20050052256A1
    • 2005-03-10
    • US10909605
    • 2004-08-02
    • Takashi HasegawaMasakatsu Mori
    • Takashi HasegawaMasakatsu Mori
    • H01P1/36H01P1/365
    • H01P1/36
    • A two-port isolator includes a metal case having an upper metal case portion and a lower metal case portion, a resin case integrated with the case, a permanent magnet member, a center electrode assembly including a ferrite member and center electrodes, and a laminated base. The intersection angle between the first and second center electrodes is adjusted to be different from about 90 degrees. The input admittance of an input port has a complex conjugate relationship with an external circuit. The intersection angle represents an angle at which the center lines of the outermost widths of the center electrodes intersect with each other. In other words, the intersection angle represents an angle of an end of the first center electrode with respect to the input port and an angle of an end of the second center electrode with respect to a ground port.
    • 双端口隔离器包括具有上金属壳体部分和下金属壳体部分的金属壳体,与壳体一体化的树脂壳体,永磁体构件,包括铁氧体构件和中心电极的中心电极组件,以及层压 基础。 将第一和第二中心电极之间的交叉角度调整为不同于约90度。 输入端口的输入导纳与外部电路具有复共轭关系。 交叉角度表示中心电极的最外侧宽度的中心线相互交叉的角度。 换句话说,交叉角度表示第一中心电极的端部相对于输入端口的角度和第二中心电极的端部相对于接地端口的角度。
    • 8. 发明授权
    • Two-port isolator, characteristic adjusting method therefor, and communication apparatus
    • 双端口隔离器,其特征调整方法和通信装置
    • US07443262B2
    • 2008-10-28
    • US12050365
    • 2008-03-18
    • Takashi HasegawaMasakatsu Mori
    • Takashi HasegawaMasakatsu Mori
    • H01P1/36
    • H01P1/36
    • A two-port isolator includes a metal case having an upper metal case portion and a lower metal case portion, a resin case integrated with the case, a permanent magnet member, a center electrode assembly including a ferrite member and center electrodes, and a laminated base. The intersection angle between the first and second center electrodes is adjusted to be different from about 90 degrees. The input admittance of an input port has a complex conjugate relationship with an external circuit. The intersection angle represents an angle at which the center lines of the outermost widths of the center electrodes intersect with each other. In other words, the intersection angle represents an angle of an end of the first center electrode with respect to the input port and an angle of an end of the second center electrode with respect to a ground port.
    • 双端口隔离器包括具有上金属壳体部分和下金属壳体部分的金属壳体,与壳体一体化的树脂壳体,永磁体构件,包括铁氧体构件和中心电极的中心电极组件,以及层压 基础。 将第一和第二中心电极之间的交叉角度调整为不同于约90度。 输入端口的输入导纳与外部电路具有复共轭关系。 交叉角度表示中心电极的最外侧宽度的中心线相互交叉的角度。 换句话说,交叉角度表示第一中心电极的端部相对于输入端口的角度和第二中心电极的端部相对于接地端口的角度。
    • 9. 发明授权
    • Nonreciprocal circuit device with a dielectric film between the magnet and substrate
    • 不可逆电路器件,在磁体和衬底之间具有介电膜
    • US06222425B1
    • 2001-04-24
    • US09281496
    • 1999-03-30
    • Takekazu OkadaToshihiro MakinoTakashi KawanamiTakashi Hasegawa
    • Takekazu OkadaToshihiro MakinoTakashi KawanamiTakashi Hasegawa
    • H01P1383
    • H01P1/387
    • A nonreciprocal circuit device having a circuit element on a dielectric substrate providing at least part of a low-pass filter, the nonreciprocal circuit device having less interference and irregular operation caused by spurious radiation, and in addition, with reduced insertion loss. A lumped constant isolator (an example of a nonreciprocal circuit device) includes a magnet provided for applying a DC magnetic field to a magnetic assembly, which in turn has multiple intersecting central electrodes provided adjacent to a ferrite body. A dielectric substrate is disposed in between the permanent magnet and the magnetic assembly. An inductor forming part of a &pgr;-type low-pass filter is provided as an example of a circuit element on the dielectric substrate, a dielectric layer or film being disposed between the dielectric substrate and the magnet.
    • 一种不可逆电路装置,其具有提供低通滤波器的至少一部分的电介质基板上的电路元件,该不可逆电路装置具有较少的干扰和由杂散辐射引起的不规则操作,此外,具有减小的插入损耗。 集总常数隔离器(不可逆电路器件的示例)包括用于向磁性组件施加DC磁场的磁体,磁体组件又具有邻近铁氧体的多个相交中心电极。 电介质基板设置在永磁体和磁性组件之间。 作为电介质基板上的电路元件的一个例子,设置了形成pi型低通滤波器的一部分的电感器,介电层或膜设置在电介质基片和磁体之间。
    • 10. 发明授权
    • Nonreciprocal circuit device having a low-pass filter formed on a spacer
    • 具有形成在间隔物上的低通滤波器的不可逆电路装置
    • US06087905A
    • 2000-07-11
    • US261245
    • 1999-03-03
    • Toshihiro MakinoTakashi KawanamiTakashi Hasegawa
    • Toshihiro MakinoTakashi KawanamiTakashi Hasegawa
    • H01P1/383H01P1/36H01P1/387
    • H01P1/387
    • A nonreciprocal circuit device which can achieve miniaturization and cost reduction by increasing attenuation outside a passband and greatly decreasing the occurrence of extraneous radiation emissions. The nonreciprocal circuit device comprises: a magnetic circuit comprising a permanent magnet disposed in a yoke; a magnetic member; a magnetic assembly disposed in the magnetic circuit and having a plurality of central conductors disposed on the magnetic member so as to mutually intersect; a plurality of matching capacitors connected respectively between a port of each of the central conductors and a ground terminal; a resin case containing the magnetic assembly and the matching capacitors and having an input/output terminal and said ground terminal; and a spacer for stably supporting at least the magnetic assembly and the matching capacitors in the case; wherein the spacer includes a filter inductor and a filter capacitor; the filter inductor is connected between said port of one of the central conductors and an input/output terminal corresponding to the port; the filter capacitor is connected between said input/output terminal and said ground; whereby a low-pass filter is formed by the filter inductor, the filter capacitor, and the matching capacitor.
    • 一种不可逆电路装置,其可以通过增加通带外的衰减而实现小型化和降低成本,并大大减少外部辐射发射的发生。 不可逆电路装置包括:磁路,包括设置在磁轭中的永磁体; 磁性构件; 磁性组件,设置在所述磁路中,并且具有设置在所述磁性构件上以便相互相交的多个中心导体; 分别连接在每个中心导体的端口和接地端子之间的多个匹配电容器; 包含磁性组件和匹配电容器并具有输入/输出端子和所述接地端子的树脂壳体; 以及用于在壳体中至少稳定地支撑磁性组件和匹配电容器的间隔件; 其中所述间隔件包括滤波电感器和滤波电容器; 滤波电感器连接在一个中心导体的所述端口和对应于端口的输入/输出端子之间; 所述滤波电容器连接在所述输入/输出端子与所述接地之间; 从而由滤波电感器,滤波电容器和匹配电容器形成低通滤波器。