JPS59118397U - piezoelectric speaker - Google Patents
piezoelectric speakerInfo
- Publication number
- JPS59118397U JPS59118397U JP1003783U JP1003783U JPS59118397U JP S59118397 U JPS59118397 U JP S59118397U JP 1003783 U JP1003783 U JP 1003783U JP 1003783 U JP1003783 U JP 1003783U JP S59118397 U JPS59118397 U JP S59118397U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric speaker
- frame
- peripheral edge
- piezoelectric
- diaphragm
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、従来の圧電型スピーカの部分断面図、第２図
は、本考案の一実施例の部分断面図、第３図は、圧電振
動子の１次共振振動モードを示す図、第４図は、圧電振
動子の２次共振振動モードを示す図である。
１１・・・・・・振動子、１２．１３・・曲振動板、１
４・・・・・・フレーム、１５・・・・・・支持体、１
６・・・・・・吸音材、２１・・・・・・１次共振の節
、３１．３２・・・・・・２次共振の節。FIG. 1 is a partial sectional view of a conventional piezoelectric speaker, FIG. 2 is a partial sectional view of an embodiment of the present invention, and FIG. 3 is a diagram showing the primary resonance vibration mode of a piezoelectric vibrator. FIG. 4 is a diagram showing the secondary resonance vibration mode of the piezoelectric vibrator. 11... Vibrator, 12.13... Curved diaphragm, 1
4...Frame, 15...Support, 1
6...Sound absorbing material, 21...Node of primary resonance, 31.32...Node of secondary resonance.
Claims (3)
央部を、フレームの内底面に設けた小さい円筒状または
円弧状の支持体で支持し、前記圧電振動子の上面の一次
共振の節線部にコーン状の第１振動板の内周縁部を結合
し、この振動板の外周縁部をフレームの周縁部に接合し
、更に前記圧電振動子の２次、３次、・・・・・・ｎ次
（ｎ≧２）共振の節線部にそれぞれ第２・・・・・・第
ｎ振動板の内周縁部をそれぞれ結合したことを特徴とす
る圧電型スピーカ。(1) Approximately the center of the bottom surface of a piezoelectric vibrator that vibrates in flat plate deflection is supported by a small cylindrical or arc-shaped support provided on the inner bottom surface of the frame, and the primary resonance node of the top surface of the piezoelectric vibrator is The inner peripheral edge of a cone-shaped first diaphragm is connected to the wire part, the outer peripheral edge of this diaphragm is joined to the peripheral edge of the frame, and the secondary, tertiary, . . . A piezoelectric speaker characterized in that the inner circumferential edges of second and nth diaphragms are respectively coupled to the nodal line portions of n-th (n≧2) resonance.
に吸音材を配置した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。(2) The piezoelectric speaker according to claim 1, wherein a sound absorbing material is arranged between each of the first, second, ...: n-th diaphragms. .
とする実用新案登録請求の範囲第（１）項又は第（２）
項記載の圧電型スピーカ。(3) Utility model registration claim item (1) or (2) characterized in that the support body and the frame are provided integrally.
The piezoelectric speaker described in Section 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1003783U JPS59118397U (en) | 1983-01-28 | 1983-01-28 | piezoelectric speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1003783U JPS59118397U (en) | 1983-01-28 | 1983-01-28 | piezoelectric speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59118397U true JPS59118397U (en) | 1984-08-09 |
Family
ID=30141488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1003783U Pending JPS59118397U (en) | 1983-01-28 | 1983-01-28 | piezoelectric speaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59118397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007281669A (en) * | 2006-04-04 | 2007-10-25 | Nec Corp | Speaker |
-
1983
- 1983-01-28 JP JP1003783U patent/JPS59118397U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007281669A (en) * | 2006-04-04 | 2007-10-25 | Nec Corp | Speaker |
| JP4605395B2 (en) * | 2006-04-04 | 2011-01-05 | 日本電気株式会社 | Speaker |
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