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US09590589B2 Electroacoustic transducer having a piezoelectric substrate with electrode fingers divided into four groups 有权
电声换能器具有将电极指分成四组的压电基片

  • Patent Title: Electroacoustic transducer having a piezoelectric substrate with electrode fingers divided into four groups
  • Patent Title (中): 电声换能器具有将电极指分成四组的压电基片
  • Application No.: US14418930
    Application Date: 2013-07-11
  • Publication No.: US09590589B2
    Publication Date: 2017-03-07
  • Inventor: Gholamreza Dadgar Javid , Thomas Ebner
  • Applicant: EPCOS AG
  • Applicant Address: DE Munich
  • Assignee: EPCOS AG
  • Current Assignee: EPCOS AG
  • Current Assignee Address: DE Munich
  • Agency: McDermott Will & Emery LLP
  • Priority: DE102012107049 20120801
  • International Application: PCT/EP2013/064726 WO 20130711
  • International Announcement: WO2014/019831 WO 20140206
  • Main IPC: H03H9/145
  • IPC: H03H9/145 ;  H03H9/64
Electroacoustic transducer having a piezoelectric substrate with electrode fingers divided into four groups
Abstract:
An electroacoustic transducer having an alternative finger structure is provided. The number of fingers of a cell of length A is divisible by four. The electrode fingers of the cell are divided into four groups. The distance (Δ2) between the second group and the third group is less than the distance (Δ1) between the first group and the second group and less than the distance (Δ3) between the third group and the fourth group.
Abstract(Chinese):

提供具有替代手指结构的电声换能器。 长度为A的单元格的手指数可以被四除。 电池的电极指分为四组。 第二组和第三组之间的距离（Δ2）小于第一组和第二组之间的距离（Δ1），并且小于第三组与第四组之间的距离（Δ3）。

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