JPS61140697U - - Google Patents
Info
- Publication number
- JPS61140697U JPS61140697U JP2528285U JP2528285U JPS61140697U JP S61140697 U JPS61140697 U JP S61140697U JP 2528285 U JP2528285 U JP 2528285U JP 2528285 U JP2528285 U JP 2528285U JP S61140697 U JPS61140697 U JP S61140697U
- Authority
- JP
- Japan
- Prior art keywords
- frame
- piezoelectric speaker
- diaphragm
- flat plate
- magnetic core
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
第１図は本考案圧電スピーカの断面図、第２図
は同じく要部分解斜視図、第３図、第４図は従来
の圧電スピーカ１、圧電スピーカ２の断面図であ
る。
１は圧電素子、３はフレーム、３ａは枠体、３
ｂは磁性体コアー、３ｃは１次コイル、３ｄは２
次コイル、５は平板振動板である。
FIG. 1 is a sectional view of the piezoelectric speaker of the present invention, FIG. 2 is an exploded perspective view of the same essential parts, and FIGS. 3 and 4 are sectional views of a conventional piezoelectric speaker 1 and piezoelectric speaker 2. 1 is a piezoelectric element, 3 is a frame, 3a is a frame body, 3
b is the magnetic core, 3c is the primary coil, 3d is 2
The next coil, 5, is a flat plate diaphragm.
Claims (1)
動板５を少くとも１個以上の圧電素子１で駆動す
る構成の薄型の圧電スピーカにおいて、前記フレ
ーム３の振動板５貼着部を構成する枠体３ａが磁
性体コアー３ｂに１次コイル３ｃと２次コイル３
ｄとが巻回されたトランスを構成していることを
特徴とする圧電スピーカ。 In a thin piezoelectric speaker configured such that a flat plate diaphragm 5 whose outer peripheral portion is supported by a frame 3 is driven by at least one piezoelectric element 1, a frame 3a constituting the diaphragm 5 attachment part of the frame 3. is the primary coil 3c and the secondary coil 3 in the magnetic core 3b.
A piezoelectric speaker comprising a transformer wound with d and d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2528285U JPS61140697U (en) | 1985-02-22 | 1985-02-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2528285U JPS61140697U (en) | 1985-02-22 | 1985-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61140697U true JPS61140697U (en) | 1986-08-30 |
Family
ID=30520213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2528285U Pending JPS61140697U (en) | 1985-02-22 | 1985-02-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61140697U (en) |
-
1985
- 1985-02-22 JP JP2528285U patent/JPS61140697U/ja active Pending