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    ULTRASONIC TRANSDUCER AND ULTRASONIC IMAGING APPARATUS
    2.
    发明申请
    ULTRASONIC TRANSDUCER AND ULTRASONIC IMAGING APPARATUS 有权
    超声波传感器和超声波成像装置

    公开(公告)号：US20100137719A1

    公开(公告)日：2010-06-03

    申请号：US12597765

    申请日：2008-01-24

    申请人： Teiichiro Ikeda ,  Hiroki Tanaka ,  Shuntaro Machida

    发明人： Teiichiro Ikeda ,  Hiroki Tanaka ,  Shuntaro Machida

    IPC分类号： A61B8/00 ,  G10K9/12

    CPC分类号： B06B1/0292 ,  A61B8/00 ,  A61B8/4483 ,  A61B2562/028

    摘要： The invention aims to give uniform and stable characteristics to a cMUT-cell array and to improve acoustic characteristics. To this end, a signal blocking section is additionally provided for cells 102 located in the outermost peripheral portion or at the end positions of a two-dimensional array 101 of cMUT cells that are designed and manufactured as ones usable as an ordinary transducer capable of transmission and reception of signals. The signal blocking section is provided to prevent the displacement and the vibration of the cells, and to block the transmission and the reception of signals.

    摘要翻译： 本发明旨在为cMUT-电池阵列提供均匀和稳定的特性并改善声学特性。 为此，对于设计和制造为可用作能够传输的普通换能器的cMUT单元的二维阵列101的最外周部分或终端位置的单元102，另外提供信号阻挡部分 并接收信号。 提供信号阻挡部分以防止电池的位移和振动，并阻止信号的发送和接收。

    ULTRASOUND IMAGING APPARATUS
    3.
    发明申请
    ULTRASOUND IMAGING APPARATUS 有权
    超声成像设备

    公开(公告)号：US20140240482A1

    公开(公告)日：2014-08-28

    申请号：US14342101

    申请日：2012-08-07

    申请人： Teiichiro Ikeda ,  Takashi Azuma ,  Hiroshi Masuzawa

    发明人： Teiichiro Ikeda ,  Takashi Azuma ,  Hiroshi Masuzawa

    IPC分类号： G06K9/62 ,  H04N5/232 ,  G06T7/00

    CPC分类号： G06K9/6202 ,  A61B8/4405 ,  A61B8/461 ,  A61B8/467 ,  A61B8/5207 ,  G01S7/52047 ,  G01S15/8915 ,  G01S15/8927 ,  G06T7/0012 ,  G10K11/346 ,  H04N5/232

    摘要： A weight value used for a beamforming process performed on received signals in an ultrasound imaging apparatus is obtained with a small amount of computations and with a high degree of precision, even when a method of adaptive signal processing is employed.Multiple elements 401 receive ultrasound signals from a test subject, and the similarity operator 404 obtains the similarity between the received signals x(n). By using the similarity C(n) between the received signals obtained by the similarity operator 404, the adaptive weight operator 407 computes the adaptive weight w(n) in association with the similarity. The beamforming operator 408 uses the adaptive weight w(n) and the received signal x(n) to generate a beamforming output. The imaging processor 108 uses the beamforming output to generate image data. By way of example, the similarity operator 404 performs computations of the similarity in the time direction.

    摘要翻译： 即使使用自适应信号处理的方法，也可以以少量的计算和高精度地获得用于对超声波成像装置中的接收信号进行的波束形成处理的权重值。 多个元件401从测试对象接收超声信号，并且相似度运算符404获得接收信号x（n）之间的相似度。 通过使用由相似度运算器404获得的接收信号之间的相似度C（n），自适应加权运算器407与相似度相关联地计算自适应权重w（n）。 波束成形算子408使用自适应权重w（n）和接收信号x（n）来生成波束成形输出。 成像处理器108使用波束成形输出来生成图像数据。 作为示例，相似度运算符404执行时间方向上的相似度的计算。