JPS641452U - - Google Patents
Info
- 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
Links
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Relay Circuits (AREA)
Description
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)
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.
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)
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 |
-
1987
- 1987-06-22 JP JP9560887U patent/JPS641452U/ja active Pending
Cited By (1)
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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