JPS5875371U - Floppy disk control mechanism - Google Patents
Floppy disk control mechanismInfo
- Publication number
- JPS5875371U JPS5875371U JP16948581U JP16948581U JPS5875371U JP S5875371 U JPS5875371 U JP S5875371U JP 16948581 U JP16948581 U JP 16948581U JP 16948581 U JP16948581 U JP 16948581U JP S5875371 U JPS5875371 U JP S5875371U
- Authority
- JP
- Japan
- Prior art keywords
- floppy disk
- disk control
- detection circuit
- control mechanism
- time
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の回路図、第２図は本考案の一実施例回路
図、第３図は第２図のタイムチャートである。
１・・・動作中フラグ、２・・・動作制御回路、３・・
・ヘッド駆動回路、４・・・フロッピディスク、５・・
・時間監視回路、６・・・ヘッド強制移動回路、ａ・・
・起動信号、ｂ・・・動作中表示信号、Ｃ・・・ヘッド
移動方向指示信号、ｄ・・・ヘッド移動量指示信号、ｅ
・・・終了信号、ｆ・・・待ち状態表示信号。FIG. 1 is a conventional circuit diagram, FIG. 2 is a circuit diagram of an embodiment of the present invention, and FIG. 3 is a time chart of FIG. 2. 1... Operating flag, 2... Operation control circuit, 3...
・Head drive circuit, 4... Floppy disk, 5...
・Time monitoring circuit, 6... Head forced movement circuit, a...
・Start signal, b... In-operation display signal, C... Head movement direction instruction signal, d... Head movement amount instruction signal, e
...End signal, f...Waiting state display signal.
Claims (1)
状態で、長時間使用するフロッピディスク装置に対し、
書込み／読出しを制御するフロッピディスク制御機構に
おいて、処理装置より与えられた動作を終了したときか
ら、時間監視を始める監視回路と、一定時間以内に次の
動作指示がなかった時、アイドリング状態であることを
特徴とする検出回路を有し、前記検出回路がアイドリン
グ状態を検出したとき、フロッピディスク装置に対して
磁気ヘッドを、特定エリアに移動を指示する機能をもつ
ことを特徴とするフロッピディスク制御機構。For floppy disk devices that are used as one of the input/output devices and are used for long periods of time with a recording medium loaded,
In the floppy disk control mechanism that controls writing/reading, there is a monitoring circuit that starts time monitoring when the operation given by the processing device is completed, and an idling state when no next operation instruction is received within a certain amount of time. A floppy disk control having a detection circuit characterized in that the detection circuit has a function of instructing a floppy disk device to move a magnetic head to a specific area when the detection circuit detects an idling state. mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16948581U JPS5875371U (en) | 1981-11-16 | 1981-11-16 | Floppy disk control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16948581U JPS5875371U (en) | 1981-11-16 | 1981-11-16 | Floppy disk control mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5875371U true JPS5875371U (en) | 1983-05-21 |
Family
ID=29961473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16948581U Pending JPS5875371U (en) | 1981-11-16 | 1981-11-16 | Floppy disk control mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5875371U (en) |
-
1981
- 1981-11-16 JP JP16948581U patent/JPS5875371U/en active Pending
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