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。
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。
Claims (1)
- 圧電素子に電圧を繰り返し印加することにより
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。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11088889U JPH0351499U (ja) | 1989-09-25 | 1989-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11088889U JPH0351499U (ja) | 1989-09-25 | 1989-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0351499U true JPH0351499U (ja) | 1991-05-20 |
Family
ID=31659394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11088889U Pending JPH0351499U (ja) | 1989-09-25 | 1989-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0351499U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002250567A (ja) * | 2001-02-23 | 2002-09-06 | Matsushita Electric Ind Co Ltd | 太陽熱利用装置 |
-
1989
- 1989-09-25 JP JP11088889U patent/JPH0351499U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002250567A (ja) * | 2001-02-23 | 2002-09-06 | Matsushita Electric Ind Co Ltd | 太陽熱利用装置 |