JPH0163111U - - Google Patents
Info
- Publication number
- JPH0163111U JPH0163111U JP1987159512U JP15951287U JPH0163111U JP H0163111 U JPH0163111 U JP H0163111U JP 1987159512 U JP1987159512 U JP 1987159512U JP 15951287 U JP15951287 U JP 15951287U JP H0163111 U JPH0163111 U JP H0163111U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- coil
- motor
- drives
- controls
- 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
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Direct Current Motors (AREA)
Description
第１図は本考案の実施例を示す回路図、第２図
及び第３図は従来例を示す回路図である。
１は電源端子、２はアース、３はコイル、４は
第１のトランジスタ、５は第２のトランジスタ、
６は制御回路、７は第３のトランジスタ、８は放
電回路。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIGS. 2 and 3 are circuit diagrams showing a conventional example. 1 is a power supply terminal, 2 is a ground, 3 is a coil, 4 is a first transistor, 5 is a second transistor,
6 is a control circuit, 7 is a third transistor, and 8 is a discharge circuit.
Claims (1)
つて、前記モータあるいはコイルを駆動させる第
１のトランジスタと、前記第１のトランジスタを
制御する第２のトランジスタのベースに制御信号
を送出する制御回路と、前記第２のトランジスタ
と電源間に直列に設けられた抵抗と、前記抵抗と
並列に設けられた第３のトランジスタと、前記電
源及びアース間に直列に接続され前記第３のトラ
ンジスタのベースに電荷を充放電する充放電回路
とを備え、前記電源印加後、前記モータあるいは
コイルを駆動させるための駆動電流を所定レベル
に制御することを特徴とするモータあるいはコイ
ル駆動回路。 A drive circuit that drives a motor or a coil, the control circuit sending a control signal to the base of a first transistor that drives the motor or coil and a second transistor that controls the first transistor; a resistor provided in series between the second transistor and the power source; a third transistor provided in parallel with the resistor; and a third transistor connected in series between the power source and the ground to supply a charge to the base of the third transistor. 1. A motor or coil drive circuit, comprising: a charging/discharging circuit that charges/discharges, and controls a drive current for driving the motor or coil to a predetermined level after the power is applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987159512U JPH0163111U (en) | 1987-10-19 | 1987-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987159512U JPH0163111U (en) | 1987-10-19 | 1987-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0163111U true JPH0163111U (en) | 1989-04-24 |
Family
ID=31440790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987159512U Pending JPH0163111U (en) | 1987-10-19 | 1987-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0163111U (en) |
-
1987
- 1987-10-19 JP JP1987159512U patent/JPH0163111U/ja active Pending
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