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    • 31. 发明授权
    • Variable capacitance device and portable phone
    • 可变电容设备和便携式电话
    • US07937056B2
    • 2011-05-03
    • US11755107
    • 2007-05-30
    • Kazuhiko ItayaHiroshi YoshidaTakashi Kawakubo
    • Kazuhiko ItayaHiroshi YoshidaTakashi Kawakubo
    • H04B1/18
    • H01G5/18
    • A variable capacitance device has a piezoelectric driving part, a movable electrode, a fixed electrode, a dielectric film and a driving control unit. The piezoelectric driving part has a piezoelectric film, an upper electrode disposed on a top surface of the piezoelectric film, a lower electrode disposed on an undersurface of the piezoelectric film and electrode slits which separate the upper electrode and the lower electrode into two, respectively. The movable electrode is provided via the electrode slits at one end of the piezoelectric driving part. The fixed electrode is disposed opposite to the movable electrode via a gap. The dielectric film is disposed opposite to the movable electrode via the gap and provided on the fixed electrode. The driving control unit adjusts a distance between the movable electrode and the fixed electrode to reduce a fluctuation of a predetermined capacitance of a variable capacitor formed between the variable electrode and the fixed electrode.
    • 可变电容器件具有压电驱动部,可动电极,固定电极,电介质膜和驱动控制部。 压电驱动部分具有压电膜,设置在压电膜的顶表面上的上电极,设置在压电膜的下表面上的下电极以及分别将上电极和下电极分成两部分的电极狭缝。 可动电极通过电极狭缝设置在压电驱动部分的一端。 固定电极通过间隙与可动电极相对设置。 电介质膜经由间隙与可动电极相对设置,设置在固定电极上。 驱动控制单元调整可动电极和固定电极之间的距离,以减小形成在可变电极和固定电极之间的可变电容器的预定电容的波动。
    • 32. 发明授权
    • Antenna sharing device and portable telephone
    • 天线共用装置和便携式电话
    • US07777592B2
    • 2010-08-17
    • US11689848
    • 2007-03-22
    • Michihiko NishigakiRyoichi OharaMinoru KawaseKazuhiko Itaya
    • Michihiko NishigakiRyoichi OharaMinoru KawaseKazuhiko Itaya
    • H03H9/72
    • H03H9/706H03H9/0571
    • An antenna sharing device has a common signal terminal pair, a first terminal pair, a second terminal pair, a first filter, a second filter, a first inductor element, second inductor elements, third inductor elements. The second and third inductor elements have a plurality of inductor elements, respectively. An inductor element closest to the first terminal pair among the inductor elements included in the second inductor elements and an inductor element closest to the second terminal pair among the third inductor elements are arranged further away from the first inductor element than the other inductor elements included in the second and third inductor elements, or formed on a substrate different from a substrate on which the first inductor element is formed, or formed opposite to the first inductor element by sandwiching a shielding pattern.
    • 天线共享装置具有公共信号端子对,第一端子对,第二端子对,第一滤波器,第二滤波器,第一电感器元件,第二电感器元件,第三电感器元件。 第二和第三电感元件分别具有多个电感器元件。 包括在第二电感器元件中的电感器元件中最接近第一端子对的电感器元件和最靠近第三电感器元件中的第二端子对的电感器元件被布置成远离第一电感器元件,而不是包括在其中的其它电感器元件 第二和第三电感器元件,或形成在不同于其上形成有第一电感器元件的衬底的衬底上,或者通过夹持屏蔽图案与第一电感器元件相对形成。
    • 33. 发明申请
    • SEMICONDUCTOR DEVICE
    • 半导体器件
    • US20090243725A1
    • 2009-10-01
    • US12409926
    • 2009-03-24
    • Kazuhide ABETadahiro SasakiKazuhiko Itaya
    • Kazuhide ABETadahiro SasakiKazuhiko Itaya
    • H03F3/185H01L25/065
    • H03F3/195H01L23/585H01L23/66H01L29/0657H01L29/41758H01L29/4238H01L2223/6644H01L2924/0002H01L2924/00
    • A semiconductor device includes a first transistor unit including first field effect transistors with first gate electrodes electrically connected together, first sources electrically connected together, and first drains electrically connected together, the first gate electrodes being electrically connected to the first drains, a second transistor unit including second field effect transistors with second gate electrodes electrically connected together, second sources electrically connected together, and second drains electrically connected together, the second gate electrodes being electrically connected to the first gate electrodes, and dummy gate electrodes electrically isolated from the first gate electrodes and the second gate electrodes. The first gate electrodes, the second gate electrodes, and the dummy gate electrodes are arranged parallel to one another, and at least one dummy gate electrode is located between any one of the first gate electrodes and any one of the second gate electrodes.
    • 半导体器件包括第一晶体管单元,其包括第一场效应晶体管,第一栅电极电连接在一起,电连接在一起的第一源和电连接在一起的第一漏极,第一栅电极电连接到第一漏极,第二晶体管单元 包括第二场效应晶体管,其中第二栅电极电连接在一起,第二源电连接在一起,第二漏极电连接在一起,第二栅电极电连接到第一栅电极,以及虚栅极与第一栅电极电隔离 和第二栅电极。 第一栅电极,第二栅电极和伪栅极彼此平行布置,并且至少一个虚拟栅电极位于第一栅极电极和第二栅极电极中的任一个之间。
    • 36. 发明申请
    • VARIABLE CAPACITANCE DEVICE AND PORTABLE PHONE
    • 可变电容器和便携式电话
    • US20070281646A1
    • 2007-12-06
    • US11755107
    • 2007-05-30
    • Kazuhiko ItayaHiroshi YoshidaTakashi Kawakubo
    • Kazuhiko ItayaHiroshi YoshidaTakashi Kawakubo
    • H04B1/26
    • H01G5/18
    • A variable capacitance device has a piezoelectric driving part, a movable electrode, a fixed electrode, a dielectric film and a driving control unit. The piezoelectric driving part has a piezoelectric film, an upper electrode disposed on a top surface of the piezoelectric film, a lower electrode disposed on an undersurface of the piezoelectric film and electrode slits which separate the upper electrode and the lower electrode into two, respectively. The movable electrode is provided via the electrode slits at one end of the piezoelectric driving part. The fixed electrode is disposed opposite to the movable electrode via a gap. The dielectric film is disposed opposite to the movable electrode via the gap and provided on the fixed electrode. The driving control unit adjusts a distance between the movable electrode and the fixed electrode to reduce a fluctuation of a predetermined capacitance of a variable capacitor formed between the variable electrode and the fixed electrode.
    • 可变电容器件具有压电驱动部,可动电极,固定电极,电介质膜和驱动控制部。 压电驱动部分具有压电膜,设置在压电膜的顶表面上的上电极,设置在压电膜的下表面上的下电极以及分别将上电极和下电极分成两部分的电极狭缝。 可动电极通过电极狭缝设置在压电驱动部分的一端。 固定电极通过间隙与可动电极相对设置。 电介质膜经由间隙与可动电极相对设置,设置在固定电极上。 驱动控制单元调整可动电极和固定电极之间的距离,以减小形成在可变电极和固定电极之间的可变电容器的预定电容的波动。