JPS6349668U - - Google Patents
Info
- Publication number
- JPS6349668U JPS6349668U JP14313686U JP14313686U JPS6349668U JP S6349668 U JPS6349668 U JP S6349668U JP 14313686 U JP14313686 U JP 14313686U JP 14313686 U JP14313686 U JP 14313686U JP S6349668 U JPS6349668 U JP S6349668U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- voltage
- drive
- supplying
- switching
- 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 2
Landscapes
- Moving Of Heads (AREA)
Description
第１図は本考案の一実施例による直流トルクモ
ータ３を適用した磁気デイスク装置の要部の構成
を示すブロツク図、第２図は従来構成を示すブロ
ツク図である。
２……駆動回路（駆動電圧供給手段）、３……
直流トルクモータ（モータ）、４……制御回路（
制御手段）、５……負電圧発生回路（駆動補助電
圧供給手段）、６……切換回路（切換手段）。
FIG. 1 is a block diagram showing the configuration of the main parts of a magnetic disk device to which a DC torque motor 3 according to an embodiment of the present invention is applied, and FIG. 2 is a block diagram showing the conventional configuration. 2... Drive circuit (drive voltage supply means), 3...
DC torque motor (motor), 4...control circuit (
control means), 5... negative voltage generation circuit (driving auxiliary voltage supply means), 6... switching circuit (switching means).
Claims (1)
動電圧を供給する駆動電圧供給手段と、前記モー
タへ駆動補助電圧を供給する駆動補助電圧供給手
段と、前記モータの始動時には前記駆動電圧と前
記駆動補助電圧との和電圧、または前記駆動電圧
よりも高い前記駆動補助電圧を前記モータへ切換
供給し、前記モータの始動後は前記駆動電圧を前
記モータへ切換供給する切換手段とを具備してな
る磁気デイスク装置。 a motor for driving a magnetic head; a drive voltage supply means for supplying a drive voltage to the motor; a drive auxiliary voltage supply means for supplying a drive auxiliary voltage to the motor; switching means for selectively supplying the sum voltage of the voltage or the drive auxiliary voltage higher than the drive voltage to the motor, and switching means for switching and supplying the drive voltage to the motor after the motor is started. disk device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14313686U JPS6349668U (en) | 1986-09-18 | 1986-09-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14313686U JPS6349668U (en) | 1986-09-18 | 1986-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6349668U true JPS6349668U (en) | 1988-04-04 |
Family
ID=31052532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14313686U Pending JPS6349668U (en) | 1986-09-18 | 1986-09-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6349668U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0378492A (en) * | 1989-08-18 | 1991-04-03 | Fujitsu Ltd | Motor driving controller |
-
1986
- 1986-09-18 JP JP14313686U patent/JPS6349668U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0378492A (en) * | 1989-08-18 | 1991-04-03 | Fujitsu Ltd | Motor driving controller |
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