JPS6281499U - - Google Patents
Info
- Publication number
- JPS6281499U JPS6281499U JP17373985U JP17373985U JPS6281499U JP S6281499 U JPS6281499 U JP S6281499U JP 17373985 U JP17373985 U JP 17373985U JP 17373985 U JP17373985 U JP 17373985U JP S6281499 U JPS6281499 U JP S6281499U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- step motor
- diagram showing
- disk device
- flexible disk
- 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
- 230000005284 excitation Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
- Control Of Stepping Motors (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
Description
第１図はこの考案の一実施例であるフレキシブ
ルデイスク装置に使用するステツプモータの駆動
回路を示すブロツク図、第２図は、第１図のステ
ツプモータにおける励磁相と、対応するトラツク
及び０トラツクのセンサ出力との関係を示す図、
第３図は、第１図のステツプモータにおける動作
を説明するためのステータとロータとの位置関係
を示す図、第４図は従来の二相励磁方式のステツ
プモータを示す概略構成図、第５図は従来のステ
ツプモータを駆動する一般的な回路を示すブロツ
ク図、第６図は、第４図のステツプモータにおけ
る励磁する相とステータ及びロータとの位置関係
を示す図である。
図において、１……ステータ、２……ロータ、
３……回路用電圧発生部、４……ロジツク部、５
……増幅部、６……単位時間発生回路である。な
お、各図中、同一符号は同一、又は相当部分を示
す。
FIG. 1 is a block diagram showing a drive circuit for a step motor used in a flexible disk device which is an embodiment of this invention, and FIG. 2 is a block diagram showing the excitation phases of the step motor shown in FIG. A diagram showing the relationship between sensor output and
3 is a diagram showing the positional relationship between the stator and rotor to explain the operation of the step motor in FIG. 1, FIG. 4 is a schematic configuration diagram showing a conventional two-phase excitation type step motor, and FIG. The figure is a block diagram showing a general circuit for driving a conventional step motor, and FIG. 6 is a diagram showing the positional relationship between the excited phases, stator, and rotor in the step motor of FIG. 4. In the figure, 1... stator, 2... rotor,
3...Circuit voltage generation section, 4...Logic section, 5
. . . amplifier section, 6 . . . unit time generating circuit. In each figure, the same reference numerals indicate the same or equivalent parts.
Claims (1)
式のステツプモータを使用し、電源投入時に、ス
テータ及びロータの両相の励磁タイミングをずら
すことができる手段を備え、電源投入以前に、目
的の位置からずれていたロータを、前記目的の位
置まで誘導することを特徴とするフレキシブルデ
イスク装置。 In a flexible disk device, a two-phase excitation type step motor is used and is equipped with a means to shift the excitation timing of both phases of the stator and rotor when the power is turned on. A flexible disk device that guides a rotor to the target position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17373985U JPS6281499U (en) | 1985-11-12 | 1985-11-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17373985U JPS6281499U (en) | 1985-11-12 | 1985-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6281499U true JPS6281499U (en) | 1987-05-25 |
Family
ID=31111482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17373985U Pending JPS6281499U (en) | 1985-11-12 | 1985-11-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6281499U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5641793A (en) * | 1979-09-11 | 1981-04-18 | Ricoh Co Ltd | Driving system for stepping motor |
-
1985
- 1985-11-12 JP JP17373985U patent/JPS6281499U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5641793A (en) * | 1979-09-11 | 1981-04-18 | Ricoh Co Ltd | Driving system for stepping motor |
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