JPS5887177U - magnetic disk device - Google Patents
magnetic disk deviceInfo
- Publication number
- JPS5887177U JPS5887177U JP18207781U JP18207781U JPS5887177U JP S5887177 U JPS5887177 U JP S5887177U JP 18207781 U JP18207781 U JP 18207781U JP 18207781 U JP18207781 U JP 18207781U JP S5887177 U JPS5887177 U JP S5887177U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- disk device
- frequency components
- reproducing head
- information recording
- 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
Landscapes
- Moving Of The Head To Find And Align With The Track (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図は従来の磁気ディスク装置の一例を示す側面図、
第2図は従来の磁気ディスク装置のサーボヘッドの再生
出力とデータヘッドの記録電流の一例を示す波形図、第
3図はこの考案の一実施例による磁気ディスク装置のサ
ーボヘッドの再生出力の増幅器とフィルターを示すブロ
ック図である。
1・・・・・・磁気ディスク、2・・・・・・モータ、
4・・・・・・サーボヘッド、5・・・・・・データヘ
ッド、6・・・・・・キャリッジ、10・・・・・・コ
ア、11・・・・・・加圧バネ、12・・・・・・アー
ム、13・・・・・・微分器、14・・・・・・増幅器
、15・・・・・・積分器、’l’、 T+1・・・・
・・サーボトラック、D・・・・・・再生出力、W・・
・・・・記録電流、N・・・・・・雑音。
なお、図中、同一符号は同一、又は相当部分を示す。FIG. 1 is a side view showing an example of a conventional magnetic disk device.
FIG. 2 is a waveform diagram showing an example of the reproduction output of the servo head of a conventional magnetic disk device and the recording current of the data head, and FIG. 3 is an amplifier of the reproduction output of the servo head of the magnetic disk device according to an embodiment of the present invention. FIG. 2 is a block diagram showing a filter. 1...Magnetic disk, 2...Motor,
4... Servo head, 5... Data head, 6... Carriage, 10... Core, 11... Pressure spring, 12 ...Arm, 13...Differentiator, 14...Amplifier, 15...Integrator, 'l', T+1...
... Servo track, D... Playback output, W...
...Recording current, N...Noise. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
出す位置検出素子の増幅回路内に、情報記録再生ヘッド
が情報を記録する時に発生する雑音周波数成分を除去し
位置情報を得るために必要な周波数成分だけを通過させ
るフィルターを設けた事を特徴とする磁気ディスク装置
。In the amplification circuit of the position detection element that reads the position of the information recording/reproducing head with respect to the magnetic disk, noise frequency components generated when the information recording/reproducing head records information are removed, and only the frequency components necessary to obtain positional information are detected. A magnetic disk device characterized by being equipped with a filter that allows it to pass through.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18207781U JPS5887177U (en) | 1981-12-07 | 1981-12-07 | magnetic disk device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18207781U JPS5887177U (en) | 1981-12-07 | 1981-12-07 | magnetic disk device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5887177U true JPS5887177U (en) | 1983-06-13 |
Family
ID=29980122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18207781U Pending JPS5887177U (en) | 1981-12-07 | 1981-12-07 | magnetic disk device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5887177U (en) |
-
1981
- 1981-12-07 JP JP18207781U patent/JPS5887177U/en active Pending
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