JPH0175299U - - Google Patents
Info
- Publication number
- JPH0175299U JPH0175299U JP1987170320U JP17032087U JPH0175299U JP H0175299 U JPH0175299 U JP H0175299U JP 1987170320 U JP1987170320 U JP 1987170320U JP 17032087 U JP17032087 U JP 17032087U JP H0175299 U JPH0175299 U JP H0175299U
- Authority
- JP
- Japan
- Prior art keywords
- metal container
- circuit board
- piezoelectric vibrator
- resonance box
- wall
- 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 description 5
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：筒状金属容器、２：圧電振動子、Ｂ：貫通
孔。
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: Cylindrical metal container, 2: Piezoelectric vibrator, B: Through hole.
Claims (1)
振動子を取着収容して成り、金属容器の開口部を
塞ぐようにして回路基板上に実装させたとき金属
容器内壁と回路基板上面とが前記圧電振動子によ
り発する音の共鳴箱を形成するようになした圧電
ブザーにおいて、前記金属容器の側壁に前記共鳴
箱に通じる貫通孔部を設けたことを特徴とする圧
電ブザー。 A piezoelectric vibrator is installed and housed in the inner bottom of a cylindrical metal container with one side open, and when mounted on a circuit board with the opening of the metal container closed, the inner wall of the metal container and the top surface of the circuit board are connected. A piezoelectric buzzer configured to form a resonance box for the sound emitted by the piezoelectric vibrator, characterized in that a through hole communicating with the resonance box is provided in a side wall of the metal container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987170320U JPH0175299U (en) | 1987-11-06 | 1987-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987170320U JPH0175299U (en) | 1987-11-06 | 1987-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0175299U true JPH0175299U (en) | 1989-05-22 |
Family
ID=31461159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987170320U Pending JPH0175299U (en) | 1987-11-06 | 1987-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0175299U (en) |
-
1987
- 1987-11-06 JP JP1987170320U patent/JPH0175299U/ja active Pending
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