JPS59141398U - Electronic buzzer drive circuit - Google Patents
Electronic buzzer drive circuitInfo
- Publication number
- JPS59141398U JPS59141398U JP3600683U JP3600683U JPS59141398U JP S59141398 U JPS59141398 U JP S59141398U JP 3600683 U JP3600683 U JP 3600683U JP 3600683 U JP3600683 U JP 3600683U JP S59141398 U JPS59141398 U JP S59141398U
- Authority
- JP
- Japan
- Prior art keywords
- drive circuit
- electronic buzzer
- buzzer drive
- circuit
- transistor
- 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
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の電子ブザーの駆動回路を示す回路図、第
２図は本考案に係る電子ブザーの駆動回路の一実施例を
示す回路図である。
１・・・・・・並列回路、２・・・・・・圧電振動子、
３・・・・・・時定数回路、Ｃ１，Ｃ２・・・・・・コ
ンデンサ、Ｌ・・・・・・発振コイル、Ｑ・・・・・・
トランジスタ、Ｒ□〜Ｒ３・・・・・・抵抗。FIG. 1 is a circuit diagram showing a conventional electronic buzzer driving circuit, and FIG. 2 is a circuit diagram showing an embodiment of the electronic buzzer driving circuit according to the present invention. 1...Parallel circuit, 2...Piezoelectric vibrator,
3... Time constant circuit, C1, C2... Capacitor, L... Oscillation coil, Q...
Transistor, R□~R3... Resistor.
Claims (1)
振トランスに圧電振動子を接続し、前記発振トランスの
出力側と前記トランジスタの入力側の間に、コンデンサ
および抵抗の直列回路からなる時定数回路を接続してブ
ロッキング発振回路を形成してなることを特徴とする電
子ブザーの駆動回路。An oscillation transformer is connected to the output side of the transistor, a piezoelectric vibrator is connected to the oscillation transformer, and a time constant circuit consisting of a series circuit of a capacitor and a resistor is connected between the output side of the oscillation transformer and the input side of the transistor. An electronic buzzer drive circuit characterized by being connected to form a blocking oscillation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3600683U JPS59141398U (en) | 1983-03-12 | 1983-03-12 | Electronic buzzer drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3600683U JPS59141398U (en) | 1983-03-12 | 1983-03-12 | Electronic buzzer drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59141398U true JPS59141398U (en) | 1984-09-21 |
Family
ID=30166677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3600683U Pending JPS59141398U (en) | 1983-03-12 | 1983-03-12 | Electronic buzzer drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59141398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016075902A (en) * | 2014-10-06 | 2016-05-12 | ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド | Electronic device for generating audible alarm or music |
-
1983
- 1983-03-12 JP JP3600683U patent/JPS59141398U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016075902A (en) * | 2014-10-06 | 2016-05-12 | ザ・スウォッチ・グループ・リサーチ・アンド・ディベロップメント・リミテッド | Electronic device for generating audible alarm or music |
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