JPH01143599U - - Google Patents
Info
- Publication number
- JPH01143599U JPH01143599U JP3998888U JP3998888U JPH01143599U JP H01143599 U JPH01143599 U JP H01143599U JP 3998888 U JP3998888 U JP 3998888U JP 3998888 U JP3998888 U JP 3998888U JP H01143599 U JPH01143599 U JP H01143599U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- speaker
- frame
- vibrator
- magnet
- 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
- 239000002184 metal Substances 0.000 claims 2
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
第１図は本考案第１実施例の一部切欠斜視図、
第２図は同変形例の断面図、第３図は第２実施例
の一部切欠斜視図、第４図は従来例の断面図、第
５図は効果を示す周波数特性図である。
１は圧電振動子、２はマグネツト、３はエツジ
、４はフレームである。
FIG. 1 is a partially cutaway perspective view of the first embodiment of the present invention;
FIG. 2 is a sectional view of the modified example, FIG. 3 is a partially cutaway perspective view of the second embodiment, FIG. 4 is a sectional view of the conventional example, and FIG. 5 is a frequency characteristic diagram showing the effect. 1 is a piezoelectric vibrator, 2 is a magnet, 3 is an edge, and 4 is a frame.
Claims (1)
るバイモルフ型又はユニモルフ型の圧電振動子１
を有する圧電型スピーカの、上記圧電振動子１の
金属電極板１ａが磁性体金属からなると共に、当
該圧電振動子１に対してその中心から偏つた位置
に吸引力を作用させるマグネツト２が、圧電振動
子１の近傍に配置されていることを特徴とする圧
電型スピーカ。 ２ 上記フレーム４が永久磁石材料からなり、フ
レーム４の底部の中心から偏つた一部分が着磁さ
れてマグネツト２が形成されていることを特徴と
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。[Claims for Utility Model Registration] 1. A bimorph or unimorph piezoelectric vibrator 1 supported in a vibrating manner inside a frame 4.
In the piezoelectric speaker having a piezoelectric type speaker, the metal electrode plate 1a of the piezoelectric vibrator 1 is made of a magnetic metal, and the magnet 2 that applies an attractive force to a position offset from the center of the piezoelectric vibrator 1 is a piezoelectric speaker. A piezoelectric speaker characterized in that it is placed near a vibrator 1. 2. The piezoelectric device according to claim 1, wherein the frame 4 is made of a permanent magnetic material, and a portion of the bottom of the frame 4 that is offset from the center is magnetized to form the magnet 2. model speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3998888U JPH01143599U (en) | 1988-03-25 | 1988-03-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3998888U JPH01143599U (en) | 1988-03-25 | 1988-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01143599U true JPH01143599U (en) | 1989-10-02 |
Family
ID=31266469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3998888U Pending JPH01143599U (en) | 1988-03-25 | 1988-03-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01143599U (en) |
-
1988
- 1988-03-25 JP JP3998888U patent/JPH01143599U/ja active Pending