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