JPS5887177U - magnetic disk device - Google Patents

magnetic disk device

Info

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
Application number
JP18207781U
Other languages
Japanese (ja)
Inventor
千石 真治
Original Assignee
三菱電機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP18207781U priority Critical patent/JPS5887177U/en
Publication of JPS5887177U publication Critical patent/JPS5887177U/en
Pending legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁気ディスクに対する情報記録再生ヘッドの位置を読み
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.
JP18207781U 1981-12-07 1981-12-07 magnetic disk device Pending JPS5887177U (en)

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)

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