JPS647500U - - Google Patents
Info
- Publication number
- JPS647500U JPS647500U JP10117287U JP10117287U JPS647500U JP S647500 U JPS647500 U JP S647500U JP 10117287 U JP10117287 U JP 10117287U JP 10117287 U JP10117287 U JP 10117287U JP S647500 U JPS647500 U JP S647500U
- Authority
- JP
- Japan
- Prior art keywords
- opening area
- container
- piezoelectric buzzer
- outside
- piezoelectric
- 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)
Description
第１図は本考案の圧電ブザーの一実施例を示す
断面図、第２図は従来の圧電ブザーの断面図であ
る。
１，１１……容器、２，１３……圧電振動子、
３，１２……放音孔、１ａ……管状部。
FIG. 1 is a sectional view showing an embodiment of the piezoelectric buzzer of the present invention, and FIG. 2 is a sectional view of a conventional piezoelectric buzzer. 1, 11... Container, 2, 13... Piezoelectric vibrator,
3, 12... Sound emission hole, 1a... Tubular part.
Claims (1)
着収納して成る圧電ブザーにおいて、前記放音孔
の容器外部側の開口面積を内部側の開口面積より
大と成したことを特徴とする圧電ブザー。 (2) 前記放音孔の容器外部側の開口面積が内部
側開口面積の２倍以上であることを特徴とする実
用新案登録請求の範囲第１項記載の圧電ブザー。[Claims for Utility Model Registration] (1) In a piezoelectric buzzer comprising a piezoelectric vibrator mounted and housed inside a container having a sound emission hole, the opening area of the sound emission hole on the outside of the container is defined as the opening area on the inside. A piezoelectric buzzer characterized by a larger size. (2) The piezoelectric buzzer according to claim 1, wherein the opening area of the sound emitting hole on the outside of the container is at least twice as large as the opening area on the inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10117287U JPS647500U (en) | 1987-06-30 | 1987-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10117287U JPS647500U (en) | 1987-06-30 | 1987-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS647500U true JPS647500U (en) | 1989-01-17 |
Family
ID=31329926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10117287U Pending JPS647500U (en) | 1987-06-30 | 1987-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS647500U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS623196B2 (en) * | 1983-12-15 | 1987-01-23 | Mamoru Sano |
-
1987
- 1987-06-30 JP JP10117287U patent/JPS647500U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS623196B2 (en) * | 1983-12-15 | 1987-01-23 | Mamoru Sano |