JPH01100199U - - Google Patents
Info
- Publication number
- JPH01100199U JPH01100199U JP19525887U JP19525887U JPH01100199U JP H01100199 U JPH01100199 U JP H01100199U JP 19525887 U JP19525887 U JP 19525887U JP 19525887 U JP19525887 U JP 19525887U JP H01100199 U JPH01100199 U JP H01100199U
- Authority
- JP
- Japan
- Prior art keywords
- opening
- resonance chamber
- housing
- adjustment member
- communicates
- 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図はこの考案に係る圧電ブザーの一実施例
を示す断面図、第２図は第１図に示したブザーの
斜視図、第３図〜第７図はこの考案の参考となる
例を示したもので、第３図及び第５図は第１図と
同様な断面図、第４図及び第６図は第２図と同様
な斜視図、第７図は第５図の円Ａ内の拡大図であ
る。
１０……筐体、１１……開口、２０……振動板
、２１……圧電素子、３０……上カバー（調整部
材）、Ｓ……共鳴室。
Fig. 1 is a sectional view showing an embodiment of the piezoelectric buzzer according to this invention, Fig. 2 is a perspective view of the buzzer shown in Fig. 1, and Figs. 3 to 7 are examples for reference of this invention. Figures 3 and 5 are cross-sectional views similar to Figure 1, Figures 4 and 6 are perspective views similar to Figure 2, and Figure 7 is a view within circle A in Figure 5. It is an enlarged view of. DESCRIPTION OF SYMBOLS 10... Housing, 11... Opening, 20... Vibration plate, 21... Piezoelectric element, 30... Upper cover (adjustment member), S... Resonance chamber.
Claims (1)
れる振動板を固定し、前記共鳴室と外部空間とを
連通させる開口に、該開口の開口面積を変化させ
る調整部材を設けたことを特徴とする圧電ブザー
。 A diaphragm driven by a piezoelectric element is fixed to a resonance chamber inside the housing, and an adjustment member for changing the opening area of the opening is provided in an opening that communicates the resonance chamber with an external space. Features a piezoelectric buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19525887U JPH01100199U (en) | 1987-12-23 | 1987-12-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19525887U JPH01100199U (en) | 1987-12-23 | 1987-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01100199U true JPH01100199U (en) | 1989-07-05 |
Family
ID=31485944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19525887U Pending JPH01100199U (en) | 1987-12-23 | 1987-12-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01100199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03118599A (en) * | 1989-09-30 | 1991-05-21 | Taiyo Yuden Co Ltd | Piezoelectric audio device |
-
1987
- 1987-12-23 JP JP19525887U patent/JPH01100199U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03118599A (en) * | 1989-09-30 | 1991-05-21 | Taiyo Yuden Co Ltd | Piezoelectric audio device |