JPS5725184A - Motor driving circuit for printer - Google Patents
Motor driving circuit for printerInfo
- Publication number
- JPS5725184A JPS5725184A JP10022380A JP10022380A JPS5725184A JP S5725184 A JPS5725184 A JP S5725184A JP 10022380 A JP10022380 A JP 10022380A JP 10022380 A JP10022380 A JP 10022380A JP S5725184 A JPS5725184 A JP S5725184A
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- circuit
- motor
- printer
- transistors
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
- H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
- H02P3/08—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing a dc motor
- H02P3/12—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing a dc motor by short-circuit or resistive braking
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Stopping Of Electric Motors (AREA)
Abstract
PURPOSE:To lessen effectively no-character intervals as well as to save current consumption dynamic braking a driving motor in a printer on stopping it. CONSTITUTION:A capacitor C is charged up to a fixed voltage during application of a Motor-ON signal. With a Motor OFF signal supplied, transistors T1 and T2 in a drive transistor circuit go to OFF. Through cut off of the transistor T1, the conduction between the negative pole of a supply source 12 and the base of a transistor T3 of a short, circuit transistor circuit is cut off, so that a base current is supplied to transistors T3 and T4 from the capacitor C via a resistor R2 to switch on T3 and T4. Because at this moment an enough base current IB flows from the supply source 12 to T4 via a resistor R3 and transistor T3, the transistor T4 is fully saturated, a motor 10 stops quickly by short-circuit of the armature circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10022380A JPS5725184A (en) | 1980-07-22 | 1980-07-22 | Motor driving circuit for printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10022380A JPS5725184A (en) | 1980-07-22 | 1980-07-22 | Motor driving circuit for printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5725184A true JPS5725184A (en) | 1982-02-09 |
Family
ID=14268287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10022380A Pending JPS5725184A (en) | 1980-07-22 | 1980-07-22 | Motor driving circuit for printer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5725184A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100418518B1 (en) * | 1997-01-14 | 2004-04-17 | 페어차일드코리아반도체 주식회사 | Peaking preventing circuit for motor driver ic |
-
1980
- 1980-07-22 JP JP10022380A patent/JPS5725184A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100418518B1 (en) * | 1997-01-14 | 2004-04-17 | 페어차일드코리아반도체 주식회사 | Peaking preventing circuit for motor driver ic |
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