JPS63184473U - - Google Patents
Info
- Publication number
- JPS63184473U JPS63184473U JP7580287U JP7580287U JPS63184473U JP S63184473 U JPS63184473 U JP S63184473U JP 7580287 U JP7580287 U JP 7580287U JP 7580287 U JP7580287 U JP 7580287U JP S63184473 U JPS63184473 U JP S63184473U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- magnetic disk
- servo signal
- generation circuit
- gate
- 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
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
Description
第１図は本考案に係る実施例を示すブロツク図
、第２図は同じく記録時の動作状態を示すタイム
チヤート、第３図は同じく再生時の動作状態を示
すタイムチヤートである。
１……磁気デイスク、２……スピンドルモータ
、３……パルス発生器、４……磁気デイスク装置
、５……基準信号発生回路（ＰＬＬ回路）、６…
…ゲート信号発生回路、７……サーボ信号発生回
路。
FIG. 1 is a block diagram showing an embodiment of the present invention, FIG. 2 is a time chart showing the operating state during recording, and FIG. 3 is a time chart showing the operating state during reproduction. DESCRIPTION OF SYMBOLS 1...Magnetic disk, 2...Spindle motor, 3...Pulse generator, 4...Magnetic disk device, 5...Reference signal generation circuit (PLL circuit), 6...
...Gate signal generation circuit, 7...Servo signal generation circuit.
Claims (1)
回転に応じたパルス信号を発生するパルス発生器
を備えた磁気デイスク装置に用いられ、上記磁気
デイスクに形成される各データトラツクにヘツド
位置決め用のサーボ信号を記録するサーボ信号記
録装置であつて、 上記パルス信号に基づいて所定の高周波パルス
信号を生成する基準信号発生回路と、 上記高周波パルス信号に基づいてサーボ信号の
各データトラツク上の記録位置を決定するゲート
信号を生成するゲート信号発生回路と、 上記高周波パルス信号をゲート信号にてゲート
制御することにより上記サーボ信号を生成するサ
ーボ信号発生回路とを備え、 このサーボ信号を上記磁気デイスク装置のリー
ドライトヘツドによつて上記磁気デイスクに記録
することを特徴とするサーボ信号記録装置。[Claims for Utility Model Registration] Used in a magnetic disk device equipped with a pulse generator that generates pulse signals in accordance with the rotation of a spindle motor that rotates a magnetic disk, the head is used for each data track formed on the magnetic disk. A servo signal recording device for recording a servo signal for positioning, the device comprising: a reference signal generation circuit for generating a predetermined high-frequency pulse signal based on the pulse signal; a gate signal generation circuit that generates a gate signal that determines the recording position of the servo signal; and a servo signal generation circuit that generates the servo signal by gate-controlling the high-frequency pulse signal using the gate signal. A servo signal recording device characterized in that data is recorded on the magnetic disk by a read/write head of a magnetic disk device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7580287U JPS63184473U (en) | 1987-05-20 | 1987-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7580287U JPS63184473U (en) | 1987-05-20 | 1987-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63184473U true JPS63184473U (en) | 1988-11-28 |
Family
ID=30922284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7580287U Pending JPS63184473U (en) | 1987-05-20 | 1987-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63184473U (en) |
-
1987
- 1987-05-20 JP JP7580287U patent/JPS63184473U/ja active Pending
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