JPH0370495U - - Google Patents

Info

Publication number
JPH0370495U
JPH0370495U JP13043989U JP13043989U JPH0370495U JP H0370495 U JPH0370495 U JP H0370495U JP 13043989 U JP13043989 U JP 13043989U JP 13043989 U JP13043989 U JP 13043989U JP H0370495 U JPH0370495 U JP H0370495U
Authority
JP
Japan
Prior art keywords
recess
piezoelectric speaker
outer case
support
piezoelectric
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
JP13043989U
Other languages
English (en)
Other versions
JP2509089Y2 (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 JP1989130439U priority Critical patent/JP2509089Y2/ja
Publication of JPH0370495U publication Critical patent/JPH0370495U/ja
Application granted granted Critical
Publication of JP2509089Y2 publication Critical patent/JP2509089Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の圧電スピーカの一実施例を
示す斜視図、第２図は第１図に示した圧電スピー
カの分解斜視図、第３図は第１図に示した圧電ス
ピーカに用いる支持板を示す平面図、第４図は第
１図における−線断面図、第５図ないし第１
３図はこの考案の圧電スピーカ及び比較例として
の圧電スピーカの音圧レベル−周波数特性を示す
図である。 ２……圧電変換素子、４……外装ケース、６…
…支持板（支持体）、６１……透孔（第１の凹部
）、６２……透孔（第２の凹部）、６３……溝部
。

Claims (1)

  1. 【実用新案登録請求の範囲】 偏平な直方体を成す外装ケースに圧電変換素子
    を設置してなる圧電スピーカにおいて、 前記外装ケースに設置された支持体上の一つの
    縁部近傍に第１の凹部を設けて前記圧電変換素子
    を設置するとともに、前記第１の凹部から離間し
    た位置に第２の凹部を設けて前記圧電スピーカの
    音響発生回路を設置し、前記第２の凹部の延長上
    の前記支持体の非等分位置に細い溝部を形成した
    ことを特徴とする圧電スピーカ。
JP1989130439U 1989-11-08 1989-11-08 圧電スピ―カ Expired - Lifetime JP2509089Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989130439U JP2509089Y2 (ja) 1989-11-08 1989-11-08 圧電スピ―カ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989130439U JP2509089Y2 (ja) 1989-11-08 1989-11-08 圧電スピ―カ

Publications (2)

Publication Number Publication Date
JPH0370495U true JPH0370495U (ja) 1991-07-15
JP2509089Y2 JP2509089Y2 (ja) 1996-08-28

Family

ID=31678019

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989130439U Expired - Lifetime JP2509089Y2 (ja) 1989-11-08 1989-11-08 圧電スピ―カ

Country Status (1)

Country Link
JP (1) JP2509089Y2 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60127098U (ja) * 1984-02-06 1985-08-27 三菱電機株式会社 圧電形スピ−カ装置
JPS63172669U (ja) * 1987-05-01 1988-11-09

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60127098U (ja) * 1984-02-06 1985-08-27 三菱電機株式会社 圧電形スピ−カ装置
JPS63172669U (ja) * 1987-05-01 1988-11-09

Also Published As

Publication number Publication date
JP2509089Y2 (ja) 1996-08-28

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