JPH0351499U - - Google Patents
Info
- Publication number
- JPH0351499U JPH0351499U JP11088889U JP11088889U JPH0351499U JP H0351499 U JPH0351499 U JP H0351499U JP 11088889 U JP11088889 U JP 11088889U JP 11088889 U JP11088889 U JP 11088889U JP H0351499 U JPH0351499 U JP H0351499U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- piezoelectric
- drive circuit
- voltage
- buzzer
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は従来例を示す回路図である。
１１……圧電素子、１２，１３，１４，１５…
…トランジスタ、１５，１６……バツフア、１７
，１８……反転出力バツフア、１９……クロツク
発生器。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a circuit diagram showing a conventional example. 11... Piezoelectric element, 12, 13, 14, 15...
...Transistor, 15, 16...Buffer, 17
, 18...inverted output buffer, 19... clock generator.
Claims (1)
前記圧電素子を振動させてブザー音を発生させる
圧電ブザー駆動回路において、前記圧電素子の両
端に繰り返し印加する電圧の方向を交互に反転さ
せることを特徴とする圧電ブザー駆動回路。 A piezoelectric buzzer drive circuit that vibrates the piezoelectric element and generates a buzzer sound by repeatedly applying a voltage to the piezoelectric element, characterized in that the direction of the voltage repeatedly applied to both ends of the piezoelectric element is alternately reversed. Piezoelectric buzzer drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11088889U JPH0351499U (en) | 1989-09-25 | 1989-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11088889U JPH0351499U (en) | 1989-09-25 | 1989-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0351499U true JPH0351499U (en) | 1991-05-20 |
Family
ID=31659394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11088889U Pending JPH0351499U (en) | 1989-09-25 | 1989-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0351499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002250567A (en) * | 2001-02-23 | 2002-09-06 | Matsushita Electric Ind Co Ltd | Solar thermal equipment |
-
1989
- 1989-09-25 JP JP11088889U patent/JPH0351499U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002250567A (en) * | 2001-02-23 | 2002-09-06 | Matsushita Electric Ind Co Ltd | Solar thermal equipment |