JPS6232699U - - Google Patents
Info
- Publication number
- JPS6232699U JPS6232699U JP12306885U JP12306885U JPS6232699U JP S6232699 U JPS6232699 U JP S6232699U JP 12306885 U JP12306885 U JP 12306885U JP 12306885 U JP12306885 U JP 12306885U JP S6232699 U JPS6232699 U JP S6232699U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric buzzer
- axis
- utility
- main surface
- central part
- 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
- 239000000919 ceramic Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の圧電ブザーを示し、Ａ図は縦
断面図、Ｂ図は上面図である。また、第２図は本
考案の圧電ブザーと従来品の周波数と音圧の関係
を比較して示す線図である。
１……中心の円弧面、２……逆方向の円弦面、
３……外周の平坦部、４……金属化電極面、イ…
…本考案の圧電ブザーの振動子における周波数と
音圧の関係を示す線図、ロ……従来の圧電ブザー
の振動子における周波数と音圧の関係を示す線図
。
FIG. 1 shows a piezoelectric buzzer according to the present invention, with FIG. A being a longitudinal sectional view and FIG. B being a top view. Moreover, FIG. 2 is a diagram showing a comparison between the frequency and sound pressure relationship between the piezoelectric buzzer of the present invention and a conventional product. 1...Central arc surface, 2...Circular surface in the opposite direction,
3...Flat part on the outer periphery, 4...Metalized electrode surface, I...
...Diagram showing the relationship between frequency and sound pressure in the vibrator of the piezoelectric buzzer of the present invention, B...Diagram showing the relationship between frequency and sound pressure in the vibrator of the conventional piezoelectric buzzer.
Claims (1)
せた圧電磁器の薄板からなる圧電ブザーの振動子
。 A piezoelectric buzzer vibrator consisting of a thin piezoelectric ceramic plate with the central part of its main surface protruding in an arc shape in the direction of the axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12306885U JPS6232699U (en) | 1985-08-09 | 1985-08-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12306885U JPS6232699U (en) | 1985-08-09 | 1985-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6232699U true JPS6232699U (en) | 1987-02-26 |
Family
ID=31013833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12306885U Pending JPS6232699U (en) | 1985-08-09 | 1985-08-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6232699U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04322952A (en) * | 1991-04-22 | 1992-11-12 | Kilony Sangyo Kk | Copying detector |
| WO2008084685A1 (en) * | 2007-01-11 | 2008-07-17 | Murata Manufacturing Co., Ltd. | Piezoelectric speaker and its manufacturing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4944658A (en) * | 1972-09-01 | 1974-04-26 | ||
| JPS5780898A (en) * | 1980-11-07 | 1982-05-20 | Hitachi Ltd | Piezoelectric ceramic transducer |
| JPS57154999A (en) * | 1981-03-19 | 1982-09-24 | Hitachi Ltd | Plate speaker |
-
1985
- 1985-08-09 JP JP12306885U patent/JPS6232699U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4944658A (en) * | 1972-09-01 | 1974-04-26 | ||
| JPS5780898A (en) * | 1980-11-07 | 1982-05-20 | Hitachi Ltd | Piezoelectric ceramic transducer |
| JPS57154999A (en) * | 1981-03-19 | 1982-09-24 | Hitachi Ltd | Plate speaker |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04322952A (en) * | 1991-04-22 | 1992-11-12 | Kilony Sangyo Kk | Copying detector |
| WO2008084685A1 (en) * | 2007-01-11 | 2008-07-17 | Murata Manufacturing Co., Ltd. | Piezoelectric speaker and its manufacturing method |