JPS625383U - - Google Patents
Info
- Publication number
- JPS625383U JPS625383U JP9476385U JP9476385U JPS625383U JP S625383 U JPS625383 U JP S625383U JP 9476385 U JP9476385 U JP 9476385U JP 9476385 U JP9476385 U JP 9476385U JP S625383 U JPS625383 U JP S625383U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric buzzer
- input
- drive circuit
- invert
- circuit
- 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
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Description
第１図はこの考案の一実施例による圧電ブザー
駆動回路を示す回路図、第２図は従来の昇圧コイ
ルを用いた駆動回路を示す回路図である。
１……圧電ブザー、２……インバート回路、３
……トランジスタ、４，５……抵抗、６……信号
源。
FIG. 1 is a circuit diagram showing a piezoelectric buzzer drive circuit according to an embodiment of this invention, and FIG. 2 is a circuit diagram showing a drive circuit using a conventional boosting coil. 1...Piezoelectric buzzer, 2...Invert circuit, 3
...Transistor, 4, 5...Resistor, 6...Signal source.
Claims (1)
出力信号が入力されるインバート回路を設け、こ
のインバート回路の入出力の両端に圧電ブザーを
接続したことを特徴とする圧電ブザー駆動回路。 A piezoelectric buzzer drive circuit characterized in that the piezoelectric buzzer drive circuit includes an invert circuit into which an output signal from a signal source is input, and a piezoelectric buzzer is connected to both input and output ends of the invert circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9476385U JPS625383U (en) | 1985-06-21 | 1985-06-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9476385U JPS625383U (en) | 1985-06-21 | 1985-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS625383U true JPS625383U (en) | 1987-01-13 |
Family
ID=30958562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9476385U Pending JPS625383U (en) | 1985-06-21 | 1985-06-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS625383U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011158984A (en) * | 2010-01-29 | 2011-08-18 | Nohmi Bosai Ltd | Audible alarm device and fire alarm system including the same |
-
1985
- 1985-06-21 JP JP9476385U patent/JPS625383U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011158984A (en) * | 2010-01-29 | 2011-08-18 | Nohmi Bosai Ltd | Audible alarm device and fire alarm system including the same |
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