JPH0375698U - - Google Patents
Info
- Publication number
- JPH0375698U JPH0375698U JP13769589U JP13769589U JPH0375698U JP H0375698 U JPH0375698 U JP H0375698U JP 13769589 U JP13769589 U JP 13769589U JP 13769589 U JP13769589 U JP 13769589U JP H0375698 U JPH0375698 U JP H0375698U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- piezoelectric speaker
- synthetic resin
- outer periphery
- resin material
- 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 3
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 239000004952 Polyamide Substances 0.000 claims 1
- 239000004793 Polystyrene Substances 0.000 claims 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims 1
- 229920001971 elastomer Polymers 0.000 claims 1
- 239000006260 foam Substances 0.000 claims 1
- 229920002647 polyamide Polymers 0.000 claims 1
- 229920000728 polyester Polymers 0.000 claims 1
- 229920000098 polyolefin Polymers 0.000 claims 1
- 229920002223 polystyrene Polymers 0.000 claims 1
- 229920002635 polyurethane Polymers 0.000 claims 1
- 239000004814 polyurethane Substances 0.000 claims 1
- 229920001169 thermoplastic Polymers 0.000 claims 1
- 239000004416 thermosoftening plastic Substances 0.000 claims 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
第１ａ図は本考案の正面図、第１ｂ図は同断面
図、第２図は従来例（点線）と、本考案（実線）
の周波数特性である。
図中、１は圧電素子、２は金属基板、３はエツ
ジ層、４は合成樹脂材料製フイルム、５はフレー
ム、６は振動板である。
Figure 1a is a front view of the present invention, Figure 1b is a sectional view of the same, and Figure 2 is a conventional example (dotted line) and the present invention (solid line).
This is the frequency characteristic of In the figure, 1 is a piezoelectric element, 2 is a metal substrate, 3 is an edge layer, 4 is a synthetic resin film, 5 is a frame, and 6 is a diaphragm.
Claims (1)
金属基板２に貼り合わせた圧電振動板６の外周を
、軽量かつ高内部ロスを有するエツジ層３を介し
て、フレーム５に外周を貼付した高内部ロスを有
する熱可塑性合成樹脂材料製フイルム４に接合し
た圧電型スピーカ。 請求項に記載のエツジ層３が、布系、発泡
タイプ系、ゴム系、又は含浸布系から成る圧電ス
ピーカ。 請求項に記載の合成樹脂材料製フイルム４
が、ポリウレタン系、ポリエステル系、ポリアミ
ド系、ポリスチレン系、ポリオレフイン系、又は
塩化ビニル系のものである圧電型スピーカ。[Claims for Utility Model Registration] The outer periphery of a piezoelectric diaphragm 6 in which an elliptical piezoelectric element 1 is bonded to a circular or elliptical metal substrate 2 via an edge layer 3 that is lightweight and has a high internal loss, A piezoelectric speaker whose outer periphery is attached to a frame 5 and a film 4 made of a thermoplastic synthetic resin material having a high internal loss. A piezoelectric speaker according to claim 1, wherein the edge layer 3 is made of cloth, foam type, rubber, or impregnated cloth. Synthetic resin material film 4 according to claims
The piezoelectric speaker is made of polyurethane, polyester, polyamide, polystyrene, polyolefin, or vinyl chloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13769589U JPH0375698U (en) | 1989-11-27 | 1989-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13769589U JPH0375698U (en) | 1989-11-27 | 1989-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0375698U true JPH0375698U (en) | 1991-07-30 |
Family
ID=31684840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13769589U Pending JPH0375698U (en) | 1989-11-27 | 1989-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0375698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006009279A1 (en) * | 2004-07-23 | 2006-01-26 | Hokuriku Electric Industry Co., Ltd. | Piezoelectric sound producing unit |
-
1989
- 1989-11-27 JP JP13769589U patent/JPH0375698U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006009279A1 (en) * | 2004-07-23 | 2006-01-26 | Hokuriku Electric Industry Co., Ltd. | Piezoelectric sound producing unit |
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