JPS59134998U - piezoelectric speaker - Google Patents
piezoelectric speakerInfo
- Publication number
- JPS59134998U JPS59134998U JP2803283U JP2803283U JPS59134998U JP S59134998 U JPS59134998 U JP S59134998U JP 2803283 U JP2803283 U JP 2803283U JP 2803283 U JP2803283 U JP 2803283U JP S59134998 U JPS59134998 U JP S59134998U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- piezoelectric speaker
- pair
- fixed
- rear direction
- 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)
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１．２図は、夫々本考案の圧電型スピーカの一実施例
を示す斜視図及び横断面図、第３図はその圧電駆動部の
等節回路を示す回路図である。
１・・・・・・圧電型スピーカ、２．３・・・・・・平
面振動板、４・・・・・・圧電駆動部、６・・・・・・
単板、７．８・・・・・・電極、９１．９□・・・・・
・圧電ユニット、１θ・・・・・・導体。1.2 are a perspective view and a cross-sectional view showing an embodiment of the piezoelectric speaker of the present invention, respectively, and FIG. 3 is a circuit diagram showing an equidistant circuit of the piezoelectric drive section. 1...Piezoelectric speaker, 2.3...Plane diaphragm, 4...Piezoelectric drive unit, 6...
Single plate, 7.8... Electrode, 91.9□...
・Piezoelectric unit, 1θ...conductor.
Claims (1)
央部にかけて前方に凸に湾曲し、前縁部どうしを互いに
一定距離離間させて固定してなる一対の平面振動板と、
該一対の平面振動板の後縁部に設けられ、電圧印加によ
り前記前後方向に変形する圧電物質を複数互いに直列接
続してなる圧電駆動部とから構成してなる圧電型スピー
カ。a pair of planar diaphragms whose rear edges are fixed so as to be integrally displaceable in the front-rear direction, curved convexly forward toward the center, and whose front edges are fixed at a certain distance from each other;
A piezoelectric speaker comprising: a piezoelectric drive section which is provided at the rear edge of the pair of flat diaphragms and is formed by connecting in series a plurality of piezoelectric materials that deform in the front-rear direction when voltage is applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2803283U JPS59134998U (en) | 1983-02-26 | 1983-02-26 | piezoelectric speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2803283U JPS59134998U (en) | 1983-02-26 | 1983-02-26 | piezoelectric speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59134998U true JPS59134998U (en) | 1984-09-08 |
Family
ID=30158908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2803283U Pending JPS59134998U (en) | 1983-02-26 | 1983-02-26 | piezoelectric speaker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59134998U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5530243A (en) * | 1978-08-24 | 1980-03-04 | Nec Corp | Underwater sound transmitter-receiver |
| JPS5743697B2 (en) * | 1978-05-24 | 1982-09-16 |
-
1983
- 1983-02-26 JP JP2803283U patent/JPS59134998U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5743697B2 (en) * | 1978-05-24 | 1982-09-16 | ||
| JPS5530243A (en) * | 1978-08-24 | 1980-03-04 | Nec Corp | Underwater sound transmitter-receiver |
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