JPS6416796U - - Google Patents
Info
- Publication number
- JPS6416796U JPS6416796U JP11142787U JP11142787U JPS6416796U JP S6416796 U JPS6416796 U JP S6416796U JP 11142787 U JP11142787 U JP 11142787U JP 11142787 U JP11142787 U JP 11142787U JP S6416796 U JPS6416796 U JP S6416796U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- cap
- buttful
- spacer
- drive plate
- 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
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
図面は本考案圧電型スピーカーの一実施例を示
すもので、第１図は平面図、第２図は第１図の
―線に沿つた拡大断面図である。
１：バツフル、２：放音口、３：鍔状部、４：
キヤツプ、５：厚肉部、６：凹陥部、７：スペー
サー、８：振動板、９：駆動板、１０：突状部、
１１：圧電振動子、１２：中空隔室。
The drawings show an embodiment of the piezoelectric speaker of the present invention, with FIG. 1 being a plan view and FIG. 2 being an enlarged cross-sectional view taken along the line --- in FIG. 1: Full, 2: Sound emitting port, 3: Flange, 4:
Cap, 5: Thick walled portion, 6: Recessed portion, 7: Spacer, 8: Vibration plate, 9: Drive plate, 10: Protruding portion,
11: Piezoelectric vibrator, 12: Hollow compartment.
Claims (1)
縁に内側向きの鍔状部を突成してなるフレーム状
のバツフルと、このバツフルの下面凹所内に密嵌
するキヤツプと、このキヤツプの周縁上面部と前
記バツフルの鍔状部下面との間に介挿するスペー
サーと、このスペーサーを介してバツフルとキヤ
ツプとの間に挾着し前記放音口を閉塞する如く張
設する振動板と、この振動板の下面ほぼ中央部に
付設する下方に向け突状部を突設した駆動板と、
この駆動板の突状部に取付ける圧電振動子とから
なり、圧電振動子は前記駆動板の突状部における
取付部を除いてそのほとんどが前記キヤツプと振
動板によつて形成される中空隔室内に独立状態で
配設されていることを特徴とする圧電型スピーカ
ー。 (2) 振動板が厚さ１００μ以下の銅製薄板から
なる実用新案登録請求の範囲第１項記載の圧電型
スピーカー。 (3) スペーサーが合成樹脂発泡体からなる実用
新案登録請求の範囲第１項または第２項記載の圧
電型スピーカー。[Scope of Claim for Utility Model Registration] (1) A frame-shaped buttful with an inwardly facing flange protruding from the periphery of a relatively large sound emitting port opened at the top, and a recess in the bottom of this buttful. a spacer inserted between the peripheral upper surface of the cap and the brim-shaped lower surface of the buttful, and a spacer inserted between the buttful and the cap through the spacer, and a spacer inserted between the cap and the sound emitting opening; a diaphragm stretched so as to close the diaphragm; a drive plate with a downward protruding portion attached to the lower surface of the diaphragm at approximately the center of the diaphragm;
It consists of a piezoelectric vibrator attached to the protruding part of the drive plate, and most of the piezoelectric vibrator, except for the attachment part on the protrusion of the drive plate, is inside the hollow compartment formed by the cap and the diaphragm. A piezoelectric speaker characterized by being arranged independently in the. (2) The piezoelectric speaker according to claim 1, wherein the diaphragm is made of a thin copper plate with a thickness of 100 μm or less. (3) The piezoelectric speaker according to claim 1 or 2, wherein the spacer is made of synthetic resin foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11142787U JPS6416796U (en) | 1987-07-22 | 1987-07-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11142787U JPS6416796U (en) | 1987-07-22 | 1987-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6416796U true JPS6416796U (en) | 1989-01-27 |
Family
ID=31349464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11142787U Pending JPS6416796U (en) | 1987-07-22 | 1987-07-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6416796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011108441A1 (en) * | 2010-03-01 | 2011-09-09 | パナソニック電工株式会社 | Piezoelectric speaker and alarm apparatus using this piezoelectric speaker |
-
1987
- 1987-07-22 JP JP11142787U patent/JPS6416796U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011108441A1 (en) * | 2010-03-01 | 2011-09-09 | パナソニック電工株式会社 | Piezoelectric speaker and alarm apparatus using this piezoelectric speaker |
| JP2011205613A (en) * | 2010-03-01 | 2011-10-13 | Panasonic Electric Works Co Ltd | Piezoelectric speaker and alarm apparatus using the piezoelectric speaker |
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