JPS6430997U - - Google Patents
Info
- Publication number
- JPS6430997U JPS6430997U JP12572187U JP12572187U JPS6430997U JP S6430997 U JPS6430997 U JP S6430997U JP 12572187 U JP12572187 U JP 12572187U JP 12572187 U JP12572187 U JP 12572187U JP S6430997 U JPS6430997 U JP S6430997U
- Authority
- JP
- Japan
- Prior art keywords
- metal foil
- diaphragm
- plate
- piezoelectric
- view
- 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
- 239000011888 foil Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 229920006254 polymer film Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
第１図は本考案の一実施例の圧電発音体の平面
図、第２図はその一部截断側面図、第３図は本考
案の実施例の周波数特性図、第４図Ａ及びＢは従
来例の圧電発音体の平面図及びその一部截断側面
図、第５図はその周波数特性図、第６図Ａ及びＢ
並びに第７図Ａ及びＢは、それぞれ従来例から考
えられる圧電発音体の平面図及び断面図、第８図
は第６図及び第７図に図示のものの周波数特性図
である。
１…圧電セラミツク素子板、２…振動板、２１
…金属箔、２２…可撓性板、３…ケース。
FIG. 1 is a plan view of a piezoelectric sounding body according to an embodiment of the present invention, FIG. 2 is a partially cutaway side view thereof, FIG. 3 is a frequency characteristic diagram of an embodiment of the present invention, and FIGS. 4A and B are A plan view and a partially cut-away side view of a conventional piezoelectric sounding body, FIG. 5 is its frequency characteristic diagram, and FIGS. 6 A and B.
7A and 7B are a plan view and a sectional view, respectively, of a piezoelectric sounding body considered from a conventional example, and FIG. 8 is a frequency characteristic diagram of the piezoelectric sounding body shown in FIGS. 6 and 7. 1... Piezoelectric ceramic element plate, 2... Vibration plate, 2 1
…Metal foil, 2 2 …Flexible plate, 3…Case.
Claims (1)
ルム等の可撓性板を積層した複合板から成る振動
板の金属箔側に貼着し、該振動板の外周縁をケー
スに固定したことを特徴とする圧電発音装置。 A piezoelectric ceramic element plate is attached to the metal foil side of a diaphragm made of a composite plate made of laminated metal foil and a flexible plate such as a polymer film, and the outer periphery of the diaphragm is fixed to a case. Piezoelectric sound device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12572187U JPS6430997U (en) | 1987-08-20 | 1987-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12572187U JPS6430997U (en) | 1987-08-20 | 1987-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6430997U true JPS6430997U (en) | 1989-02-27 |
Family
ID=31376576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12572187U Pending JPS6430997U (en) | 1987-08-20 | 1987-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6430997U (en) |
-
1987
- 1987-08-20 JP JP12572187U patent/JPS6430997U/ja active Pending
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