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    • 1. 发明授权
    • Stacked filter
    • 堆叠过滤器
    • US07525401B2
    • 2009-04-28
    • US11902615
    • 2007-09-24
    • Toshiyuki AbeTatsuya Fukunaga
    • Toshiyuki AbeTatsuya Fukunaga
    • H01P1/20H01P3/08
    • H01P1/20345
    • A stacked filter includes an array of resonant sections, the resonant sections adjacent each other being electromagnetically coupled, a first resonator electromagnetically coupled to the resonant section on one end of the array of the resonant sections, and a second resonator electromagnetically coupled to the resonant section on the other end thereof. Each of the resonant sections has a pair of interdigital coupled quarter-wave resonators, and a passing frequency as a filter is set to a value f2 lower than a frequency f0 determined by a physical length λ0/4 of the quarter-wave resonator. The first and second resonators have a physical length of λ2/4, where λ2 is a wavelength corresponding to the passing frequency f2. The stacked filter enables miniaturization and sufficient impedance matching with external circuits in a broad band, resulting in excellent filter characteristics in the broad band.
    • 堆叠滤波器包括谐振部分阵列,彼此相邻的谐振部分被电磁耦合,电磁耦合到谐振部分阵列的一端上的谐振部分的第一谐振器和电磁耦合到谐振部分的第二谐振器 在另一端。 每个谐振部分具有一对叉指耦合的四分之一波长谐振器,并且作为滤波器的通过频率被设置为比由四分之一波长的谐振器的物理长度λ0/ 4确定的频率f0低的值f2。 第一和第二谐振器的物理长度为λ2/ 4,其中λ2是对应于通过频率f2的波长。 堆叠滤波器使得能够在宽带中实现小型化和与外部电路的足够的阻抗匹配,从而在宽带中产生优异的滤波器特性。
    • 2. 发明申请
    • Stacked filter
    • 堆叠过滤器
    • US20080079517A1
    • 2008-04-03
    • US11902615
    • 2007-09-24
    • Toshiyuki AbeTatsuya Fukunaga
    • Toshiyuki AbeTatsuya Fukunaga
    • H01P1/20
    • H01P1/20345
    • A stacked filter includes an array of resonant sections, the resonant sections adjacent each other being electromagnetically coupled, a first resonator electromagnetically coupled to the resonant section on one end of the array of the resonant sections, and a second resonator electromagnetically coupled to the resonant section on the other end thereof. Each of the resonant sections has a pair of interdigital coupled quarter-wave resonators, and a passing frequency as a filter is set to a value f2 lower than a frequency f0 determined by a physical length λ0/4 of the quarter-wave resonator. The first and second resonators have a physical length of λ2/4, where λ2 is a wavelength corresponding to the passing frequency f2. The stacked filter enables miniaturization and sufficient impedance matching with external circuits in a broad band, resulting in excellent filter characteristics in the broad band.
    • 堆叠滤波器包括谐振部分阵列,彼此相邻的谐振部分被电磁耦合,电磁耦合到谐振部分阵列的一端上的谐振部分的第一谐振器和电磁耦合到谐振部分的第二谐振器 在另一端。 每个谐振部分具有一对叉指耦合四分之一波长谐振器,并且作为滤波器的通过频率被设置为低于频率f 0 0的值f 2 2 < 由四分之一波长谐振器的物理长度λ<0/4/4确定。 第一和第二谐振器的物理长度为λ2/2/4,其中λ2是对应于通过频率f 2 2的波长。 堆叠滤波器使得能够在宽带中实现小型化和与外部电路的足够的阻抗匹配,从而在宽带中产生优异的滤波器特性。
    • 6. 发明授权
    • Magnetic absolute encoder
    • 磁力绝对编码器
    • US07471080B2
    • 2008-12-30
    • US11952159
    • 2007-12-07
    • Kozo SasakiToshiki MaruyamaToshiyuki AbeMuneo Mitamura
    • Kozo SasakiToshiki MaruyamaToshiyuki AbeMuneo Mitamura
    • G01B7/30
    • G01D5/24447G01D5/24428G01D5/24461
    • In the magnetic absolute encoder, an ordinary operating circuit and an ordinary/backup operating circuit are actuated during ordinary operation in which power is supplied from the ordinary operating power supply; the single-rotation absolute value (1) and single-rotation absolute value (2) detected by these circuits are compared by the abnormality diagnosis circuit, and the presence or absence of an abnormality is automatically judged During backup in which the ordinary operating power supply is interrupted, only the low-power-consumption ordinary/backup operating circuit is actuated, and the multiple-rotation value (2) is detected At the point in time at which the system is returned to ordinary operation, the multiple-rotation value setting circuit sets the multiple-rotation value (2) as the multiple-rotation value (1) of the ordinary operating circuit. As a result, the calculation operation of the multiple-rotation value (1) can be restarted.
    • 在磁绝对编码器中,普通操作电路和普通/备用操作电路在从普通操作电源供电的普通操作期间被致动; 通过异常诊断电路比较由这些电路检测到的单个旋转绝对值(1)和单个旋转绝对值(2),并且自动判断异常的有无。在普通操作电源 被中断,只有低功耗普通/备用操作电路被启动,并且检测到多个旋转值(2)。在系统返回到正常操作的时间点,多个旋转值设置 电路将多个旋转值(2)设定为普通操作电路的多个旋转值(1)。 结果,能够重新开始多次旋转值(1)的计算动作。
    • 7. 发明授权
    • Inductor element containing circuit board and power amplifier module
    • 电感元件电路板和功率放大器模块
    • US07368998B2
    • 2008-05-06
    • US11608609
    • 2006-12-08
    • Toshiyuki AbeYoshihiro SuzukiMasashi Katsumata
    • Toshiyuki AbeYoshihiro SuzukiMasashi Katsumata
    • H03F3/14H03H7/00
    • H05K1/0265H01L2924/1423H03F3/195H03F2200/294H05K1/165H05K3/243H05K3/4644H05K2201/0352H05K2201/09736H05K2201/09881H05K2203/0542
    • An inductor element containing circuit board of the present invention comprises a plurality of conductive layers, and a conductor having an inductor function (inductor conductor segment) in one or more of the conductive layers, wherein at least part of the inductor conductor segment is made thicker than other conductors disposed within the circuit board. The at least part of the inductor conductor segment extends through an insulating layer disposed between the conductive layers, or is embedded in the insulating layer, wherein the part of the inductor conductor segment has a thickness one-half or more the thickness of the insulating layer. A power amplifier module of the present invention comprises the multi-layer circuit board, a semiconductor amplifier fabricated in the multi-layer circuit board, and an impedance matching circuit coupled to the output of the semiconductor amplifier. The impedance matching circuit has a portion thereof formed of the inductor conductor segment.
    • 本发明的电感器元件电路板包括多个导电层,以及在一个或多个导电层中具有电感器功能(电感器导体段)的导体,其中电感器导体段的至少一部分变厚 而不是设置在电路板内的其它导线。 电感器导体段的至少一部分延伸穿过设置在导电层之间的绝缘层,或者嵌入在绝缘层中,其中电感器导体段的一部分具有绝缘层的厚度的一半或更多的厚度 。 本发明的功率放大器模块包括多层电路板,在多层电路板中制造的半导体放大器和耦合到半导体放大器的输出的阻抗匹配电路。 阻抗匹配电路具有由电感器导体段形成的部分。