JPH01132987U - - Google Patents

Info

Publication number
JPH01132987U
JPH01132987U JP1807689U JP1807689U JPH01132987U JP H01132987 U JPH01132987 U JP H01132987U JP 1807689 U JP1807689 U JP 1807689U JP 1807689 U JP1807689 U JP 1807689U JP H01132987 U JPH01132987 U JP H01132987U
Authority
JP
Japan
Prior art keywords
vibrator
numbered
ultrasonic
magnetostrictive
excitation coil
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.)
Granted
Application number
JP1807689U
Other languages
English (en)
Other versions
JPH0439589Y2 (ja
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 JP1989018076U priority Critical patent/JPH0439589Y2/ja
Publication of JPH01132987U publication Critical patent/JPH01132987U/ja
Application granted granted Critical
Publication of JPH0439589Y2 publication Critical patent/JPH0439589Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】
第１図は従来装置の動作を説明するための図、
第２図は超音波送受波器の一例を示す図、第３図
はこの考案の原理を説明するための図、第４図は
この考案の実施例を示す。

Claims (1)

  1. 【実用新案登録請求の範囲】 円又は円弧上にほぼ等間隔に配列される第１乃
    至第ｎの偶数個の磁歪振動子で構成される振動子
    群を複数個、隣接する振動子群間がほぼ等間隔に
    なるように複数層に積層して得られる円筒又は半
    円筒形状の超音波送受波器のそれぞれの振動子群
    に属する全ての振動子をそれぞれ同時に励振して
    水中に超音波パルスを送波し、各磁歪振動子によ
    り捕捉される受信信号を別個に取り出す水中探知
    用超音波送受信器において、 上記複数層のそれぞれの層の第１乃至第ｎの磁
    歪振動子のうち奇数番目振動子の励磁コイルに対
    して偶数番目振動子の励磁コイルを逆方向に巻回
    し、 奇数番目振動子の各励磁コイルの終端（始端）
    を共通接続すると共に、偶数番目振動子の終端（
    始端）を共通接続し、 上記共通接続部を上記超音波送受波器の筐体に
    接地すると共に、上記各層の第１乃至第ｎの磁歪
    振動子の励磁コイルの上記共通接続されていない
    端を送受信切替回路を経て励振電源に導くように
    構成したことを特徴とする水中探知用超音波送受
    信器。
JP1989018076U 1989-02-17 1989-02-17 Expired JPH0439589Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989018076U JPH0439589Y2 (ja) 1989-02-17 1989-02-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989018076U JPH0439589Y2 (ja) 1989-02-17 1989-02-17

Publications (2)

Publication Number Publication Date
JPH01132987U true JPH01132987U (ja) 1989-09-11
JPH0439589Y2 JPH0439589Y2 (ja) 1992-09-16

Family

ID=31232394

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989018076U Expired JPH0439589Y2 (ja) 1989-02-17 1989-02-17

Country Status (1)

Country Link
JP (1) JPH0439589Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55149593A (en) * 1979-04-20 1980-11-20 Furuno Electric Co Ltd Transmitting and receiving unit of ultrasonic wave
JPS5625080A (en) * 1979-08-06 1981-03-10 Toshiba Corp Package type generator equipment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55149593A (en) * 1979-04-20 1980-11-20 Furuno Electric Co Ltd Transmitting and receiving unit of ultrasonic wave
JPS5625080A (en) * 1979-08-06 1981-03-10 Toshiba Corp Package type generator equipment

Also Published As

Publication number Publication date
JPH0439589Y2 (ja) 1992-09-16

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