JPS63181100U - - Google Patents

Info

Publication number
JPS63181100U
JPS63181100U JP7331487U JP7331487U JPS63181100U JP S63181100 U JPS63181100 U JP S63181100U JP 7331487 U JP7331487 U JP 7331487U JP 7331487 U JP7331487 U JP 7331487U JP S63181100 U JPS63181100 U JP S63181100U
Authority
JP
Japan
Prior art keywords
elastic body
cylindrical
lightweight elastic
diaphragm
pressing member
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
JP7331487U
Other languages
English (en)
Other versions
JPH054393Y2 (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 JP7331487U priority Critical patent/JPH054393Y2/ja
Publication of JPS63181100U publication Critical patent/JPS63181100U/ja
Application granted granted Critical
Publication of JPH054393Y2 publication Critical patent/JPH054393Y2/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図は本考案実施例の軸方向断面図、第2図
は同、一部切欠上面図、第3図は要部分解斜視図
、第4図は従来例の軸方向断面図である。 1は高分子圧電性フイルム振動板、2は軽量弾
性体、3は押圧部材、4は上部蓋、5は下部蓋で
ある。

Claims (1)

    【実用新案登録請求の範囲】
  1. 円筒形状をなす軽量弾性体2と、該軽量弾性体
    2の外周面を囲むように配置された円筒形状の高
    分子圧電性フイルムからなる振動板1と、前記軽
    量弾性体2の中心孔内に該軽量弾性体を外方に押
    圧するように同軸に配置された押圧部材3と、前
    記振動板1と軽量弾性体2並びに押圧部材3相互
    の位置関係を保持する上部蓋4および下部蓋5と
    からなり、前記押圧部材3は円筒形状で且つ軸方
    向切欠部3bによつて一端部が円形に連なる複数
    個の円筒面片3aからなり、その内部に当該複数
    の円筒面片3aの内面相互を結合し且つ各円筒面
    片3aを外方に押し開くための形状記憶合金から
    なるバネ7が配設されていることを特徴とする圧
    電型スピーカ。
JP7331487U 1987-05-15 1987-05-15 Expired - Lifetime JPH054393Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7331487U JPH054393Y2 (ja) 1987-05-15 1987-05-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7331487U JPH054393Y2 (ja) 1987-05-15 1987-05-15

Publications (2)

Publication Number Publication Date
JPS63181100U true JPS63181100U (ja) 1988-11-22
JPH054393Y2 JPH054393Y2 (ja) 1993-02-03

Family

ID=30917540

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7331487U Expired - Lifetime JPH054393Y2 (ja) 1987-05-15 1987-05-15

Country Status (1)

Country Link
JP (1) JPH054393Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010062819A (ja) * 2008-09-03 2010-03-18 Kenwood Corp スピーカ装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010062819A (ja) * 2008-09-03 2010-03-18 Kenwood Corp スピーカ装置

Also Published As

Publication number Publication date
JPH054393Y2 (ja) 1993-02-03

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