JPS641452U - - Google Patents

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Publication number
JPS641452U
JPS641452U JP9560887U JP9560887U JPS641452U JP S641452 U JPS641452 U JP S641452U JP 9560887 U JP9560887 U JP 9560887U JP 9560887 U JP9560887 U JP 9560887U JP S641452 U JPS641452 U JP S641452U
Authority
JP
Japan
Prior art keywords
transistor
circuit
control circuit
power supply
supply terminals
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
JP9560887U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP9560887U priority Critical patent/JPS641452U/ja
Publication of JPS641452U publication Critical patent/JPS641452U/ja
Pending legal-status Critical Current

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  • Relay Circuits (AREA)

Description

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

第１図はこの考案に係るリレー駆動回路の一例
を示す電気回路図、第２図Ａ〜Ｃは上記リレー駆
動回路の要部の動作説明用の信号波形図、第３図
は従来のリレー駆動回路を示す電気回路図である
。 Ｐ１，Ｐ２…電源端子、ＲＣ…リレーコイル、
ＴＣ…制御回路、ＴＲ１…第１のトランジスタ、
ＴＲ２…第２のトランジスタ、Ｒ３…抵抗体、Ｄ
ＦＣ…微分回路。 Fig. 1 is an electric circuit diagram showing an example of the relay drive circuit according to this invention, Figs. 2 A to C are signal waveform diagrams for explaining the operation of the main parts of the relay drive circuit, and Fig. 3 is a conventional relay drive circuit. FIG. 2 is an electrical circuit diagram showing the circuit. P1 , P2 ...Power terminal, RC...Relay coil,
TC...control circuit, TR1 ...first transistor,
TR 2 ...Second transistor, R3 ...Resistor, D
FC... Differential circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] １対の電源端子と、これら電源端子間に接続さ
れた制御回路と、リレーコイルに第１のトランジ
スタを介して直列接続されて上記リレーコイルお
よび第１のトランジスタとともに上記電源端子間
に介挿される直列回路を構成し、かつ上記制御回
路の出力端側にベースが接続された第２のトラン
ジスタと、上記制御回路の出力端と上記第１のト
ランジスタのベースとの間に介挿されて上記制御
回路からの出力を微分する微分回路と、上記第１
のトランジスタのコレクタとエミツタとの間に接
続された抵抗体とを具備したことを特徴とするリ
レー駆動回路。 A pair of power supply terminals, a control circuit connected between these power supply terminals, and a relay coil connected in series through a first transistor and inserted between the power supply terminals together with the relay coil and the first transistor. a second transistor forming a series circuit and having a base connected to the output end side of the control circuit; and a second transistor interposed between the output end of the control circuit and the base of the first transistor to control the control circuit. a differentiating circuit that differentiates the output from the circuit, and the first
A relay drive circuit comprising: a resistor connected between a collector and an emitter of a transistor.
JP9560887U 1987-06-22 1987-06-22 Pending JPS641452U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9560887U JPS641452U (en) 1987-06-22 1987-06-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9560887U JPS641452U (en) 1987-06-22 1987-06-22

Publications (1)

Publication Number Publication Date
JPS641452U true JPS641452U (en) 1989-01-06

Family

ID=30960342

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9560887U Pending JPS641452U (en) 1987-06-22 1987-06-22

Country Status (1)

Country Link
JP (1) JPS641452U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10593499B2 (en) 2016-08-04 2020-03-17 Onkyo Corporation Relay drive circuit with a current mirror circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10593499B2 (en) 2016-08-04 2020-03-17 Onkyo Corporation Relay drive circuit with a current mirror circuit

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