JPH0284500U - - Google Patents
Info
- Publication number
- JPH0284500U JPH0284500U JP16367488U JP16367488U JPH0284500U JP H0284500 U JPH0284500 U JP H0284500U JP 16367488 U JP16367488 U JP 16367488U JP 16367488 U JP16367488 U JP 16367488U JP H0284500 U JPH0284500 U JP H0284500U
- Authority
- JP
- Japan
- Prior art keywords
- synthetic resin
- resin film
- piezoelectric
- laminated
- piezoelectric vibrator
- 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
Links
- 229920003002 synthetic resin Polymers 0.000 claims description 10
- 239000000057 synthetic resin Substances 0.000 claims description 10
- 229920001169 thermoplastic Polymers 0.000 claims description 5
- 239000004416 thermosoftening plastic Substances 0.000 claims description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 4
- 238000013016 damping Methods 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
第１図は第１実施例の断面図、第２図は第２実
施例の断面図、第３図は第３実施例の要部分解斜
視図、第４図は第３実施例の断面図、第５図は第
１実施例と従来例の周波数特性図である。
１は圧電振動子、２は熱可塑性合成樹脂フイル
ム、３は合成樹脂フイルム、４はエツジ、５はフ
レーム、６は制動層、７はリード線、８はリード
線である。
Fig. 1 is a sectional view of the first embodiment, Fig. 2 is a sectional view of the second embodiment, Fig. 3 is an exploded perspective view of main parts of the third embodiment, and Fig. 4 is a sectional view of the third embodiment. , FIG. 5 is a frequency characteristic diagram of the first embodiment and the conventional example. 1 is a piezoelectric vibrator, 2 is a thermoplastic synthetic resin film, 3 is a synthetic resin film, 4 is an edge, 5 is a frame, 6 is a damping layer, 7 is a lead wire, and 8 is a lead wire.
Claims (1)
子が、軟化温度が当該圧電振動子を構成する圧電
セラミツクのキユリー点の温度よりも低い熱可塑
性合成樹脂フイルムでラミネートされ、更に当該
熱可塑性合成樹脂フイルムの上から、軟化温度が
該熱可塑性合成樹脂フイルムより高く且つ前記キ
ユリー点の温度より低い合成樹脂フイルムによつ
てラミネートされた振動系を有することを特徴と
する圧電型スピーカ。 ２ 前記圧電振動子の周辺部近傍の前記熱可塑性
合成樹脂フイルム間に、高い機械的内部損失を有
する制動層がラミネートされて入ることを特徴と
する実用新案登録請求の範囲第１項記載の圧電型
スピーカ。 ３ 薄い金属板からなるリード線若しくは薄い金
属板からなり且つ電極板を兼ねる偏平部を有する
リード線を、バイモルフもしくはユニモルフ型の
圧電振動子を構成する圧電セラミツク板に接触さ
せた状態で、熱可塑性合成樹脂フイルム及び合成
樹脂フイルム、又は単に合成樹脂フイルムによつ
てラミネートされた振動系を有することを特徴と
する圧電型スピーカ。[Claims for Utility Model Registration] 1. A bimorph or unimorph type piezoelectric vibrator is laminated with a thermoplastic synthetic resin film whose softening temperature is lower than the Curie point temperature of the piezoelectric ceramic constituting the piezoelectric vibrator, and A piezoelectric speaker comprising a vibration system laminated on top of a thermoplastic synthetic resin film by a synthetic resin film whose softening temperature is higher than that of the thermoplastic synthetic resin film and lower than the temperature of the Curie point. 2. The piezoelectric device according to claim 1, characterized in that a damping layer having a high mechanical internal loss is laminated between the thermoplastic synthetic resin films near the periphery of the piezoelectric vibrator. model speaker. 3. While a lead wire made of a thin metal plate or a lead wire made of a thin metal plate and having a flat part that also serves as an electrode plate is in contact with a piezoelectric ceramic plate constituting a bimorph or unimorph type piezoelectric vibrator, A piezoelectric speaker characterized by having a vibration system laminated with a synthetic resin film, a synthetic resin film, or simply a synthetic resin film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16367488U JPH0284500U (en) | 1988-12-16 | 1988-12-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16367488U JPH0284500U (en) | 1988-12-16 | 1988-12-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0284500U true JPH0284500U (en) | 1990-06-29 |
Family
ID=31448605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16367488U Pending JPH0284500U (en) | 1988-12-16 | 1988-12-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0284500U (en) |
-
1988
- 1988-12-16 JP JP16367488U patent/JPH0284500U/ja active Pending
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