JP5315264B2 - 電気音響変換器 - Google Patents
電気音響変換器 Download PDFInfo
- Publication number
- JP5315264B2 JP5315264B2 JP2010024414A JP2010024414A JP5315264B2 JP 5315264 B2 JP5315264 B2 JP 5315264B2 JP 2010024414 A JP2010024414 A JP 2010024414A JP 2010024414 A JP2010024414 A JP 2010024414A JP 5315264 B2 JP5315264 B2 JP 5315264B2
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- Prior art keywords
- piezoelectric vibrator
- electroacoustic transducer
- electrode
- balanced
- divided electrodes
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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2、12 全面電極
3A、3B、3C、3D、13A、13B、13C、13D (分割)電極
4A、4B、14A、14B 平衡型変成器
5A、5B、6A、6B 2次側端子
7A、7B 端子
Claims (1)
- 円筒形状の圧電振動子とn個(nは整数)の平衡型変成器を用いた電気音響変換器であって、前記圧電振動子は中心軸の方向に分極され、上端面または下端面の一方の端面に該端面のほぼ全面に形成された全面電極を有し、他方の端面に円周方向へ2n個に分割して形成された2n個の分割電極を有し、該2n個の分割電極の前記中心軸に対して互いに対向する2つの分割電極をそれぞれ1組の電極対としてn組の電極対を構成し、前記n個の平衡型変成器の1次側の両端にはそれぞれ前記n個の電極対のうちの1つの電極対を接続し、前記平衡型変成器の2次側から、前記平衡型変成器の1次側に接続された電極対を構成する2つの分割電極が対向する方向のダイポール指向性を有する信号を得、前記n個の平衡型変成器の1次側の中点をすべて接続した端子と前記全面電極との間から無指向性を有する信号を得ることを特徴とする電気音響変換器。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2010024414A JP5315264B2 (ja) | 2010-02-05 | 2010-02-05 | 電気音響変換器 |
Applications Claiming Priority (1)
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JP2010024414A JP5315264B2 (ja) | 2010-02-05 | 2010-02-05 | 電気音響変換器 |
Publications (2)
Publication Number | Publication Date |
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JP2011166288A JP2011166288A (ja) | 2011-08-25 |
JP5315264B2 true JP5315264B2 (ja) | 2013-10-16 |
Family
ID=44596494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2010024414A Active JP5315264B2 (ja) | 2010-02-05 | 2010-02-05 | 電気音響変換器 |
Country Status (1)
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JP (1) | JP5315264B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101611226B1 (ko) | 2014-12-09 | 2016-04-11 | 국방과학연구소 | 수중 음향 트랜스듀서 및 이를 이용한 트랜스듀서 시스템 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62174677A (ja) * | 1986-01-27 | 1987-07-31 | Nec Corp | 電気音響変換器 |
JPH0787708B2 (ja) * | 1987-10-16 | 1995-09-20 | アスモ株式会社 | 超音波モータ |
JPH0828919B2 (ja) * | 1989-05-17 | 1996-03-21 | 日本電気株式会社 | 送受波器 |
JP4993331B2 (ja) * | 2005-03-25 | 2012-08-08 | Necトーキン株式会社 | 音響標的用送受波器 |
JP4979007B2 (ja) * | 2007-06-25 | 2012-07-18 | Necトーキン株式会社 | 同時双方向型送受波装置 |
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2010
- 2010-02-05 JP JP2010024414A patent/JP5315264B2/ja active Active
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Publication number | Publication date |
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JP2011166288A (ja) | 2011-08-25 |
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