Low-Loss Electro-Acoustic Component
    1.
    发明申请
    Low-Loss Electro-Acoustic Component 有权
    低损耗电声部件

    公开(公告)号:US20070241841A1

    公开(公告)日:2007-10-18

    申请号:US11659166

    申请日:2005-06-07

    IPC分类号: H03H9/64

    CPC分类号: H03H9/6423 H03H9/14538

    摘要: A component includes a filter having a first structure and a second structure. The component also includes a substrate on which the first and second structures are arranged. The first structure has an approximately uniform layer thickness and an approximately uniform composition. The second structure has an approximately uniform layer thickness and an approximately uniform composition. At least one of the layer thickness or composition of the first structure differs from the layer thickness or composition of the second structure.

    摘要翻译: 组件包括具有第一结构和第二结构的过滤器。 该部件还包括其上布置有第一和第二结构的基板。 第一结构具有大致均匀的层厚度和近似均匀的组成。 第二结构具有大致均匀的层厚度和近似均匀的组成。 第一结构的层厚度或组成中的至少一个不同于第二结构的层厚度或组成。

    Low-loss electro-acoustic component
    2.
    发明授权
    Low-loss electro-acoustic component 有权
    低损耗电声部件

    公开(公告)号:US07692515B2

    公开(公告)日:2010-04-06

    申请号:US11659166

    申请日:2005-06-07

    IPC分类号: H03H9/72 H03H9/64

    CPC分类号: H03H9/6423 H03H9/14538

    摘要: A component includes a filter having a first structure and a second structure. The component also includes a substrate on which the first and second structures are arranged. The first structure has an approximately uniform layer thickness and an approximately uniform composition. The second structure has an approximately uniform layer thickness and an approximately uniform composition. At least one of the layer thickness or composition of the first structure differs from the layer thickness or composition of the second structure.

    摘要翻译: 组件包括具有第一结构和第二结构的过滤器。 该部件还包括其上布置有第一和第二结构的基板。 第一结构具有大致均匀的层厚度和近似均匀的组成。 第二结构具有大致均匀的层厚度和近似均匀的组成。 第一结构的层厚度或组成中的至少一个不同于第二结构的层厚度或组成。

    Converter for surface waves with improved suppression of interfering excitation
    7.
    发明授权
    Converter for surface waves with improved suppression of interfering excitation 有权
    用于表面波的转换器,具有改善的干扰激励抑制

    公开(公告)号:US07170372B2

    公开(公告)日:2007-01-30

    申请号:US10484708

    申请日:2002-05-21

    IPC分类号: H02H9/64

    摘要: An electro-acoustic transducer for a component operating with surface waves, in particular for a surface wave filter, in which, to suppress interfering excitation ensuing in the gap region adjacent an end of a finger, a variation of the gaps is implemented with regard to at least one feature selected from transversal arrangement, size and shape. Due to the slight dimension change of the position of the gap in comparison to the finger length, the desired primary excitation in the transducer remains approximately unchanged, however the interfering excitation is displaced or divided, and made ineffectual.

    摘要翻译: 一种用于表面波操作的部件的电声换能器,特别是用于表面波滤波器,其中为了抑制随后在与手指末端相邻的间隙区域中的干扰激励,对于 从横向布置,尺寸和形状中选择的至少一个特征。 由于与手指长度相比,间隙的位置略微尺寸变化,换能器中期望的初级激发器保持大致不变,然而干扰激发被移位或分开,并且变得无效。

    DUPLEXER
    8.
    发明申请
    DUPLEXER 审中-公开
    双机

    公开(公告)号:US20090167459A1

    公开(公告)日:2009-07-02

    申请号:US12161772

    申请日:2007-01-31

    IPC分类号: H03H9/70 H03H7/38 H03H9/72

    CPC分类号: H03H9/706 H03H9/725

    摘要: A duplexer is described herein. The duplexer includes a transmission branch configured to allow passage of signals in a transmission band. The duplexer also includes a reception branch configured to allow passage of signals in a reception band. The duplexer also includes a band rejection filter in the transmission branch configured to produce a short circuit to an electrical ground in a stopband. The stopband at least partially overlaps the reception band.

    摘要翻译: 这里描述了双工器。 双工器包括被配置为允许传输频带中的信号通过的传输分支。 双工器还包括被配置为允许接收频带中的信号通过的接收分支。 双工器还包括传输分支中的带阻滤波器,其被配置为产生在阻带中的电接地的短路。 阻挡带至少部分地与接收频带重叠。

    Duplexer
    10.
    发明申请
    Duplexer 审中-公开
    双工器

    公开(公告)号:US20090009263A1

    公开(公告)日:2009-01-08

    申请号:US11817936

    申请日:2006-01-05

    IPC分类号: H03H9/72

    CPC分类号: H03H9/6483 H03H9/725

    摘要: A duplexer includes an antenna terminal, a transmit filter, and a receive filter. The receive filter includes a first sub-filter that includes one or more resonators, and a second sub-filter including a double mode surface acoustic wave (DMS) filter. The second sub-filter is downstream of the first sub-filter relative to the antenna.

    摘要翻译: 双工器包括天线端子,发射滤波器和接收滤波器。 接收滤波器包括包括一个或多个谐振器的第一子滤波器和包括双模声表面波(DMS)滤波器的第二子滤波器。 第二子滤波器相对于天线在第一子滤波器的下游。