JPH0316800U - - Google Patents

Info

Publication number
JPH0316800U
JPH0316800U JP7795789U JP7795789U JPH0316800U JP H0316800 U JPH0316800 U JP H0316800U JP 7795789 U JP7795789 U JP 7795789U JP 7795789 U JP7795789 U JP 7795789U JP H0316800 U JPH0316800 U JP H0316800U
Authority
JP
Japan
Prior art keywords
piezoelectric ceramics
vibration frequency
ratio
thickness
ultrasonic transducer
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.)
Pending
Application number
JP7795789U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP7795789U priority Critical patent/JPH0316800U/ja
Publication of JPH0316800U publication Critical patent/JPH0316800U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Transducers For Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す超音波送受波
器の断面図。第2図は同じく本考案の圧電セラミ
ツクスの周波数―インピーダンス特性図。第3図
は同じく本考案の超音波送受波器のアドミツタン
ス特性図。第4図は従来の圧電セラミツクスの斜
視図。第5図は同じく従来の圧電セラミツクスの
周波数―インピーダンス特性図。第6図は同じく
従来の超音波送受波器のアドミツタンス特性図。 1……圧電セラミツクス、2……電極、3……
ポリウレタン樹脂、4……ケーブル、5……吸音
材、11……圧電セラミツクス。

Claims (1)

    【実用新案登録請求の範囲】
  1. 水中用の超音波送受波器において、使用する圧
    電セラミツクスの外径Dと厚みHの比H/Dを特
    定の比となるように選び、径方向振動周波数と厚
    み方向振動周波数を同一周波数として結合共振さ
    せ、外圧電セラミツクス全体を樹脂モールドした
    超音波送受波器。
JP7795789U 1989-06-30 1989-06-30 Pending JPH0316800U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7795789U JPH0316800U (ja) 1989-06-30 1989-06-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7795789U JPH0316800U (ja) 1989-06-30 1989-06-30

Publications (1)

Publication Number Publication Date
JPH0316800U true JPH0316800U (ja) 1991-02-19

Family

ID=31620806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7795789U Pending JPH0316800U (ja) 1989-06-30 1989-06-30

Country Status (1)

Country Link
JP (1) JPH0316800U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104340898A (zh) * 2013-08-07 2015-02-11 住友重机械工业株式会社 提升卷筒装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104340898A (zh) * 2013-08-07 2015-02-11 住友重机械工业株式会社 提升卷筒装置

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