JPH0272475U - - Google Patents
Info
- Publication number
- JPH0272475U JPH0272475U JP15021088U JP15021088U JPH0272475U JP H0272475 U JPH0272475 U JP H0272475U JP 15021088 U JP15021088 U JP 15021088U JP 15021088 U JP15021088 U JP 15021088U JP H0272475 U JPH0272475 U JP H0272475U
- Authority
- JP
- Japan
- Prior art keywords
- floppy disk
- disk device
- servo data
- data
- unit
- 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
- 238000005259 measurement Methods 0.000 claims 2
- 230000001934 delay Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Description
第１図は第１の考案の一実施例を示すブロツク
図、第２図は第２の考案の一実施例を示すブロツ
ク図、第３図は本考案の書込み状況を説明するた
めの模式図、第４図は第１図に示すフロツピイデ
イスク装置のインデイクス信号とサーボデータ信
号との時間関係を示すタイミング図、第５図は第
２図に示すフロツピイデイスク装置のインデイク
ス信号とサーボデータ信号との時間関係を示すタ
イミング図である。
１……フロツピイデイスク装置、２……駆動位
置決め部、３……制御部、５……フロツピイデイ
スク装置、６……測定部、７……遅延部、８……
制御部。
Fig. 1 is a block diagram showing an embodiment of the first invention, Fig. 2 is a block diagram showing an embodiment of the second invention, and Fig. 3 is a schematic diagram for explaining the writing situation of the invention. , FIG. 4 is a timing diagram showing the time relationship between the index signal and servo data signal of the floppy disk device shown in FIG. 1, and FIG. 5 is a timing diagram showing the time relationship between the index signal and servo data signal of the floppy disk device shown in FIG. FIG. 3 is a timing diagram showing a time relationship with a data signal. DESCRIPTION OF SYMBOLS 1... Floppy disk device, 2... Drive positioning section, 3... Control section, 5... Floppy disk device, 6... Measuring section, 7... Delay section, 8...
control section.
Claims (1)
構に付加し、ヘツドを駆動して位置決めを行なう
駆動位置決め部、 (C) 前記フロツピイデイスク装置および前記
駆動位置決め部を制御し、未フオーマツトのフロ
ツピイデイスクにサーボデータをパルス単位で、
かつそのパルス間隔を任意に変えてライトする制
御部、 とを含むことを特徴とするフオーマツト装置。 ２ (A) サーボトラツキング方式のフロツピイ
デイスク装置、 (B) サーボデータがライトされたフロツピイ
デイスクの前記サーボデータの位置を、前記フロ
ツピイデイスク装置のインデイクス信号からの時
間として測定する測定部、 (C) 前記測定部により測定された前記時間に
もとづいて、前記インデイクス信号を遅延させる
遅延部、 (D) 前記フロツピイデイスク装置、前記測定
部、前記遅延部を制御し、前記フロツピイデイス
クの前記サーボデータに追従して、前記サーボデ
ータと同一面内にフオーマツトデータをパルス単
位で、かつそのパルス間隔を任意に変え、前記イ
ンデイクス信号に同期してライトする制御部、 とを含むことを特徴とするフオーマツト装置。[Claims for Utility Model Registration] 1. (A) A floppy disk device, (B) A drive positioning unit that is added to the seek mechanism of the floppy disk device and drives the head to perform positioning, (C) The above-mentioned Controls the floppy disk device and the drive positioning section, and sends servo data to the unformatted floppy disk in pulse units.
A formatting device characterized by comprising: a control unit that writes data while arbitrarily changing the pulse interval. 2. (A) A servo tracking type floppy disk device; (B) Measuring the position of the servo data on the floppy disk in which the servo data has been written as the time from the index signal of the floppy disk device. (C) a delay unit that delays the index signal based on the time measured by the measurement unit; (D) controlling the floppy disk device, the measurement unit, and the delay unit; A control unit that follows the servo data of the floppy disk, writes format data in pulse units in the same plane as the servo data, arbitrarily changing the pulse interval, and in synchronization with the index signal. , A formatting device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15021088U JPH0272475U (en) | 1988-11-17 | 1988-11-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15021088U JPH0272475U (en) | 1988-11-17 | 1988-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0272475U true JPH0272475U (en) | 1990-06-01 |
Family
ID=31423146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15021088U Pending JPH0272475U (en) | 1988-11-17 | 1988-11-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0272475U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56134365A (en) * | 1980-02-14 | 1981-10-21 | Mitsubishi Electric Corp | Recording system for head positioning information |
| JPS62204477A (en) * | 1986-03-04 | 1987-09-09 | Seiko Epson Corp | Rotary type magnetic recording and reproducing device |
| JPS63113876A (en) * | 1986-10-31 | 1988-05-18 | Nec Corp | Format recording system |
-
1988
- 1988-11-17 JP JP15021088U patent/JPH0272475U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56134365A (en) * | 1980-02-14 | 1981-10-21 | Mitsubishi Electric Corp | Recording system for head positioning information |
| JPS62204477A (en) * | 1986-03-04 | 1987-09-09 | Seiko Epson Corp | Rotary type magnetic recording and reproducing device |
| JPS63113876A (en) * | 1986-10-31 | 1988-05-18 | Nec Corp | Format recording system |
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