JPS5893998U - Piezoelectric buzzer drive circuit - Google Patents

Piezoelectric buzzer drive circuit

Info

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
Application number
JP18994281U
Other languages
Japanese (ja)
Inventor
大沢 秀夫
Original Assignee
萬世工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 萬世工業株式会社 filed Critical 萬世工業株式会社
Priority to JP18994281U priority Critical patent/JPS5893998U/en
Publication of JPS5893998U publication Critical patent/JPS5893998U/en
Pending legal-status Critical Current

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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

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】 1 圧電ブザー7を駆動する機能を有するICIの出力
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.
JP18994281U 1981-12-19 1981-12-19 Piezoelectric buzzer drive circuit Pending JPS5893998U (en)

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)

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