JPS5893998U - Piezoelectric buzzer drive circuit - Google Patents
Piezoelectric buzzer drive circuitInfo
- Publication number
- JPS5893998U JPS5893998U JP18994281U JP18994281U JPS5893998U JP S5893998 U JPS5893998 U JP S5893998U JP 18994281 U JP18994281 U JP 18994281U JP 18994281 U JP18994281 U JP 18994281U JP S5893998 U JPS5893998 U JP S5893998U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric buzzer
- drive circuit
- buzzer drive
- capacitor
- piezoelectric
- 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
- Mobile Radio Communication Systems (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、第2図は従来例を示す回路図で、第1図は直接
駆動回路、第2図はトランジスタ駆動回路、第3図は本
考案の実施例を示す回路図。
1・・・・・・IC,la、 lb・・・・・・IC
の出力端子、6・・・・・・コンデンサ、7・・・・・
・圧電ブザー。1 and 2 are circuit diagrams showing conventional examples; FIG. 1 is a direct drive circuit, FIG. 2 is a transistor drive circuit, and FIG. 3 is a circuit diagram showing an embodiment of the present invention. 1...IC, la, lb...IC
Output terminal, 6... Capacitor, 7...
・Piezoelectric buzzer.
Claims (1)
端子la、lbに前記圧電ブザー7を直接的に接続した
駆動回路において、前記IC1の一方の出力端子1aと
前記圧電ブザー7との間にコンデンサ6を接続してなる
圧電ブザーの駆動回路。 2 抵抗4の一端を電源電池2の正極側に接続し、他端
を前記コンデンサ6と前記圧電ブザー7との間に接続し
てなる実用新案登録請求の範囲第1項記載の圧電ブザー
の駆動回路。[Claims for Utility Model Registration] 1. In a drive circuit in which the piezoelectric buzzer 7 is directly connected to output terminals la and lb of an ICI having a function of driving the piezoelectric buzzer 7, one output terminal 1a of the IC 1 and the A piezoelectric buzzer drive circuit comprising a capacitor 6 connected between a piezoelectric buzzer 7 and a piezoelectric buzzer 7. 2. Driving a piezoelectric buzzer according to claim 1, which is a registered utility model, in which one end of the resistor 4 is connected to the positive electrode side of the power supply battery 2, and the other end is connected between the capacitor 6 and the piezoelectric buzzer 7. circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18994281U JPS5893998U (en) | 1981-12-19 | 1981-12-19 | Piezoelectric buzzer drive circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18994281U JPS5893998U (en) | 1981-12-19 | 1981-12-19 | Piezoelectric buzzer drive circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5893998U true JPS5893998U (en) | 1983-06-25 |
Family
ID=30103651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18994281U Pending JPS5893998U (en) | 1981-12-19 | 1981-12-19 | Piezoelectric buzzer drive circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5893998U (en) |
-
1981
- 1981-12-19 JP JP18994281U patent/JPS5893998U/en active Pending
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