JPS63122000U - - Google Patents
Info
- Publication number
- JPS63122000U JPS63122000U JP1374487U JP1374487U JPS63122000U JP S63122000 U JPS63122000 U JP S63122000U JP 1374487 U JP1374487 U JP 1374487U JP 1374487 U JP1374487 U JP 1374487U JP S63122000 U JPS63122000 U JP S63122000U
- Authority
- JP
- Japan
- Prior art keywords
- less
- sound emitting
- inner diameter
- emitting hole
- diameter
- 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
- 238000005192 partition Methods 0.000 claims 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
第１図ａは、小型の圧電ブザーの正面図、第１
図ｂは、同じくその内部の構造を示す縦断面図で
ある。
１……ブザーケース、１ａ……中空筒体、１ｂ
……放音孔、１ｃ……空洞部、２……圧電振動体
、２ａ……振動板、２ｂ……圧電体、２ｃ……端
子、Ｄ……空洞部の径、Ｈ……空洞部の長さ、ｄ
……放音孔の径。
Figure 1a is a front view of a small piezoelectric buzzer,
FIG. b is a longitudinal cross-sectional view showing the internal structure. 1...Buzzer case, 1a...Hollow cylindrical body, 1b
...Sound emission hole, 1c...Cavity, 2...Piezoelectric vibrating body, 2a...Vibration plate, 2b...Piezoelectric body, 2c...Terminal, D...Diameter of the cavity, H...Diameter of the cavity length, d
...The diameter of the sound emitting hole.
Claims (1)
１０mm以下で長さが５mm以下の中空筒体の他端に
、振動周波数が３〜５ＫＨｚである圧電振動体を
装着してなり、該放音孔の径が該内径の０．４５
〜０．５５の範囲内にあることを特徴とする、小
型圧電ブザー。 A hollow cylindrical body having a partition wall with a circular sound emitting hole at one end, an inner diameter of 10 mm or less and a length of 5 mm or less, and a piezoelectric vibrating body with a vibration frequency of 3 to 5 KHz attached to the other end, The diameter of the sound emitting hole is 0.45 of the inner diameter.
A small piezoelectric buzzer characterized in that it is within the range of ~0.55.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1374487U JPS63122000U (en) | 1987-02-03 | 1987-02-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1374487U JPS63122000U (en) | 1987-02-03 | 1987-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63122000U true JPS63122000U (en) | 1988-08-08 |
Family
ID=30803097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1374487U Pending JPS63122000U (en) | 1987-02-03 | 1987-02-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63122000U (en) |
-
1987
- 1987-02-03 JP JP1374487U patent/JPS63122000U/ja active Pending