JPH02111998U - - Google Patents

Info

Publication number
JPH02111998U
JPH02111998U JP1861789U JP1861789U JPH02111998U JP H02111998 U JPH02111998 U JP H02111998U JP 1861789 U JP1861789 U JP 1861789U JP 1861789 U JP1861789 U JP 1861789U JP H02111998 U JPH02111998 U JP H02111998U
Authority
JP
Japan
Prior art keywords
frame body
fixed
diaphragms
piezoelectric
parallel
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
JP1861789U
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 JP1861789U priority Critical patent/JPH02111998U/ja
Publication of JPH02111998U publication Critical patent/JPH02111998U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)

Description

【図面の簡単な説明】
第1図は本考案の圧電型スピーカの斜視図、第
2図は同分解斜視図、第3図は第1図における圧
電型スピーカにおいて、片側の圧電型振動子に駆
動して測定した音圧周波数特性を示す図、第4図
は同じく両側の圧電型振動子を互いに逆極性に並
列接続して測定した音圧周波数特性を示す図、第
5図は同じく同極性に並列接続して測定した音圧
周波数特性を示す図である。 1,2……振動板、3……枠体、4,5……圧
電型振動子。

Claims (1)

    【実用新案登録請求の範囲】
  1. 枠体と、この枠体を介して相対向するように外
    周部が前記枠体に固着される一対の振動板と、こ
    れら振動板の裏面にそれぞれ固着されるとともに
    電気的に同極性に並列接続される少なくとも1つ
    以上の圧電型振動子とを備える圧電型スピーカ。
JP1861789U 1989-02-20 1989-02-20 Pending JPH02111998U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1861789U JPH02111998U (ja) 1989-02-20 1989-02-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1861789U JPH02111998U (ja) 1989-02-20 1989-02-20

Publications (1)

Publication Number Publication Date
JPH02111998U true JPH02111998U (ja) 1990-09-07

Family

ID=31233425

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1861789U Pending JPH02111998U (ja) 1989-02-20 1989-02-20

Country Status (1)

Country Link
JP (1) JPH02111998U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5304252B2 (ja) * 2007-01-12 2013-10-02 日本電気株式会社 圧電アクチュエータおよび電子機器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5304252B2 (ja) * 2007-01-12 2013-10-02 日本電気株式会社 圧電アクチュエータおよび電子機器

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