JPH0457778U - - Google Patents

Info

Publication number
JPH0457778U
JPH0457778U JP9353590U JP9353590U JPH0457778U JP H0457778 U JPH0457778 U JP H0457778U JP 9353590 U JP9353590 U JP 9353590U JP 9353590 U JP9353590 U JP 9353590U JP H0457778 U JPH0457778 U JP H0457778U
Authority
JP
Japan
Prior art keywords
main electrode
sub
electrode
piezoelectric
center
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
JP9353590U
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 JP9353590U priority Critical patent/JPH0457778U/ja
Publication of JPH0457778U publication Critical patent/JPH0457778U/ja
Pending legal-status Critical Current

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Landscapes

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

Description

【図面の簡単な説明】
第1図は本考案に使用される圧電振動子を示す
斜視図、第2図、第3図、第4図は圧電振動子の
変形例図、第5図は圧電振動子の駆動回路図、第
6図は圧電振動子の他の駆動回路図、第7図は従
来の圧電振動子を示す斜視図である。 1……圧電素体、2……主電極、3……副電極
、4……マツチングトランス、5……出力アンプ
、6……抵抗、7……励振電極、8……高周波電
源。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 圧電素体の表面及び裏面略中央部に主電極
    を、その両側に副電極を各独立して対向配備し、
    前記主電極の励振電圧位相と前記副電極の励振電
    圧位相とを逆位相としたことを特徴とする圧電振
    動子におけるサイドローブ抑制装置。 (2) 前記主電極を前記圧電素体の略中央部を頂
    点とする三角形状とし、前記副電極は主電極の各
    斜辺に対向配備して形成されたことを特徴とする
    請求項1記載の圧電振動子におけるサイドローブ
    抑制装置。
JP9353590U 1990-09-07 1990-09-07 Pending JPH0457778U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9353590U JPH0457778U (ja) 1990-09-07 1990-09-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9353590U JPH0457778U (ja) 1990-09-07 1990-09-07

Publications (1)

Publication Number Publication Date
JPH0457778U true JPH0457778U (ja) 1992-05-18

Family

ID=31830827

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9353590U Pending JPH0457778U (ja) 1990-09-07 1990-09-07

Country Status (1)

Country Link
JP (1) JPH0457778U (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826719A (ja) * 1981-08-10 1983-02-17 Konan Sekkei Kogyo Kk 長尺棒材の取出し方法
JPS5832558A (ja) * 1981-08-18 1983-02-25 Nippon Steel Corp 連続鋳造設備の分割ロ−ル支持装置
JPS61222399A (ja) * 1985-03-27 1986-10-02 Furuno Electric Co Ltd 送受波器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826719A (ja) * 1981-08-10 1983-02-17 Konan Sekkei Kogyo Kk 長尺棒材の取出し方法
JPS5832558A (ja) * 1981-08-18 1983-02-25 Nippon Steel Corp 連続鋳造設備の分割ロ−ル支持装置
JPS61222399A (ja) * 1985-03-27 1986-10-02 Furuno Electric Co Ltd 送受波器

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