JPS61108097U - - Google Patents
Info
- Publication number
- JPS61108097U JPS61108097U JP19106384U JP19106384U JPS61108097U JP S61108097 U JPS61108097 U JP S61108097U JP 19106384 U JP19106384 U JP 19106384U JP 19106384 U JP19106384 U JP 19106384U JP S61108097 U JPS61108097 U JP S61108097U
- Authority
- JP
- Japan
- Prior art keywords
- load
- circuit
- transistor
- drives
- drive
- 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
- Motor And Converter Starters (AREA)
Description
第１図は本考案の第１の実施例を示す回路構成
図、第２図は本考案の第２の実施例を示す回路構
成図、第３図は従来のドライブ回路の構成を示す
図である。
３１〜３４，３６，３７，４３，４４，４９，
５０…トランジスタ、３５…電源ライン、５５…
モータ、６１…ソレノイド、６２…バリスタ。
Fig. 1 is a circuit diagram showing a first embodiment of the present invention, Fig. 2 is a circuit diagram showing a second embodiment of the invention, and Fig. 3 is a diagram showing the configuration of a conventional drive circuit. be. 31-34, 36, 37, 43, 44, 49,
50...Transistor, 35...Power line, 55...
Motor, 61... Solenoid, 62... Varistor.
Claims (1)
荷を駆動するドライブ回路において、上記負荷を
順方向駆動する第１のトランジスタ回路と、上記
負荷を逆方向駆動する第２のトランジスタ回路と
、上記第１及び第２のトランジスタ回路に動作電
圧を与える制御用電源と、上記第１及び第２のト
ランジスタ回路を介して負荷に動作電圧を供給す
るドライブ用電源と、上記第１及び第２のトラン
ジスタ回路に対応して設けられ、上記負荷に対す
る駆動制御信号が与えられた際に互いに他のトラ
ンジスタ回路をオフ状態に保持する保護回路とを
具備したことを特徴とするドライブ回路。 In a drive circuit that drives a load such as a motor or a solenoid for tape running control, a first transistor circuit that drives the load in a forward direction, a second transistor circuit that drives the load in a reverse direction, and a first transistor circuit that drives the load in a reverse direction; A control power supply that supplies operating voltage to the second transistor circuit, a drive power supply that supplies operating voltage to the load via the first and second transistor circuits, and corresponds to the first and second transistor circuits. 1. A drive circuit comprising: a protection circuit which holds other transistor circuits in an OFF state when a drive control signal for the load is applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19106384U JPS61108097U (en) | 1984-12-17 | 1984-12-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19106384U JPS61108097U (en) | 1984-12-17 | 1984-12-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61108097U true JPS61108097U (en) | 1986-07-09 |
Family
ID=30748505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19106384U Pending JPS61108097U (en) | 1984-12-17 | 1984-12-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61108097U (en) |
-
1984
- 1984-12-17 JP JP19106384U patent/JPS61108097U/ja active Pending
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