JPS6116701U - Sequential disk write current variable circuit - Google Patents
Sequential disk write current variable circuitInfo
- Publication number
- JPS6116701U JPS6116701U JP10159584U JP10159584U JPS6116701U JP S6116701 U JPS6116701 U JP S6116701U JP 10159584 U JP10159584 U JP 10159584U JP 10159584 U JP10159584 U JP 10159584U JP S6116701 U JPS6116701 U JP S6116701U
- Authority
- JP
- Japan
- Prior art keywords
- write current
- disk
- sequential disk
- current variable
- variable circuit
- 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.)
- Granted
Links
Landscapes
- Digital Magnetic Recording (AREA)
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図は本考案の一実施例になる書込電流可変回路の具
体的な回路図を示す。
１・・・電流可変回路、２・・・電源端子、３・・・レ
ディ信号の入力端子、Ｑ１〜Ｑ４・・・トランジスタ、
Ｃ１，Ｃ２・・・コンデンサ、Ｒ１〜Ｒ，・・・抵抗、
Ｈ・・・ヘッド。FIG. 1 shows a specific circuit diagram of a variable write current circuit according to an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Current variable circuit, 2... Power supply terminal, 3... Ready signal input terminal, Q1-Q4... Transistor,
C1, C2... Capacitor, R1~R,... Resistor,
H...Head.
Claims (1)
ラックから内側へ向ってヘッドが移動するシーケンシャ
ルディスクの書込電流制御回路において、該ディスクに
対する該ヘッドの線速度の低下に対して、該ヘッドの書
込電流をコンデンサに充電された電荷の放電時定数によ
って減少させる様にした事を特徴とするシーケンシャル
デイスクの書込電流可変回路。In a write current control circuit for a sequential disk in which a head moves inward from an outer circumferential track of a disk whose tracks are formed in a spiral shape, the write current control circuit of a sequential disk in which a head moves inward from an outer circumferential track of a disk having spiral tracks, A variable write current circuit for a sequential disk, characterized in that the current is reduced by a discharge time constant of a charge stored in a capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10159584U JPH067444Y2 (en) | 1984-07-05 | 1984-07-05 | Variable write current circuit for sequence disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10159584U JPH067444Y2 (en) | 1984-07-05 | 1984-07-05 | Variable write current circuit for sequence disk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6116701U true JPS6116701U (en) | 1986-01-31 |
| JPH067444Y2 JPH067444Y2 (en) | 1994-02-23 |
Family
ID=30661015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10159584U Expired - Lifetime JPH067444Y2 (en) | 1984-07-05 | 1984-07-05 | Variable write current circuit for sequence disk |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH067444Y2 (en) |
-
1984
- 1984-07-05 JP JP10159584U patent/JPH067444Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH067444Y2 (en) | 1994-02-23 |
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