JPS603910U - magnetic disk device - Google Patents

magnetic disk device

Info

Publication number
JPS603910U
JPS603910U JP9435683U JP9435683U JPS603910U JP S603910 U JPS603910 U JP S603910U JP 9435683 U JP9435683 U JP 9435683U JP 9435683 U JP9435683 U JP 9435683U JP S603910 U JPS603910 U JP S603910U
Authority
JP
Japan
Prior art keywords
magnetic disk
circuit
magnetic head
magnetic
write
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
JP9435683U
Other languages
Japanese (ja)
Inventor
杉山 徳二
Original Assignee
トキコ株式会社
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 トキコ株式会社 filed Critical トキコ株式会社
Priority to JP9435683U priority Critical patent/JPS603910U/en
Publication of JPS603910U publication Critical patent/JPS603910U/en
Pending legal-status Critical Current

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  • 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) [Abstract] 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 drawings]

第1図ないし第3図は従来技術に係る磁気ディスク装置
を示し、第1図は磁気ディスク装置の概略回路図、第2
図は書込み時に読出し回路に発生する電圧を示す波形図
、第3図は書込みと読出しとの間において読出し回路に
発生する電圧を示す波形図、第4図は本考案に係る磁気
ディスク装置の概略回路図である。 1・・・励磁コイル(磁気ヘッド)、2・・・読出し回
路、3.4,6.7・・・ダイオード、5・・・書込み
回路、11,12,13.14・・・スイッチ、15・
・・制御部。
1 to 3 show a magnetic disk device according to the prior art, FIG. 1 is a schematic circuit diagram of the magnetic disk device, and FIG. 2 is a schematic circuit diagram of the magnetic disk device.
The figure is a waveform diagram showing the voltage generated in the readout circuit during writing, Figure 3 is a waveform diagram showing the voltage generated in the readout circuit between writing and reading, and Figure 4 is a schematic diagram of the magnetic disk device according to the present invention. It is a circuit diagram. DESCRIPTION OF SYMBOLS 1... Excitation coil (magnetic head), 2... Read circuit, 3.4, 6.7... Diode, 5... Write circuit, 11, 12, 13.14... Switch, 15・
...Control unit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁気ディスクと、該磁気ディスクに対面しながら該磁気
ディスクの径方向へ移動可能に設けられた磁気ヘッドと
、前記磁気ディスクに情報を書込むべく該磁気ヘッドに
書込み信号を出力する書込み回路と、前記磁気ディスク
に記憶された情報に応じて前記磁気ヘッドからの読出し
信号が入力される読出し回路とからなる磁気ディスク装
置において、前記書込み回路と磁気ヘッドとの間と、前
記読出し回路と磁気ヘッドとの間には書込み時には該書
込み回路と磁気ヘッドとの間のみを閉成し、読出し時に
は該読出し回路と磁気ヘッドの間のみを閉成するスイッ
チを設けたことを特徴とする磁気ディスク装置。
a magnetic disk, a magnetic head that is movable in the radial direction of the magnetic disk while facing the magnetic disk, and a write circuit that outputs a write signal to the magnetic head to write information on the magnetic disk; In a magnetic disk device comprising a readout circuit to which a readout signal from the magnetic head is input in accordance with information stored on the magnetic disk, there is provided a circuit between the write circuit and the magnetic head, and between the readout circuit and the magnetic head. 1. A magnetic disk drive, characterized in that a switch is provided between the two, which closes only between the write circuit and the magnetic head during writing, and closes only between the read circuit and the magnetic head during read.
JP9435683U 1983-06-20 1983-06-20 magnetic disk device Pending JPS603910U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9435683U JPS603910U (en) 1983-06-20 1983-06-20 magnetic disk device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9435683U JPS603910U (en) 1983-06-20 1983-06-20 magnetic disk device

Publications (1)

Publication Number Publication Date
JPS603910U true JPS603910U (en) 1985-01-12

Family

ID=30225896

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9435683U Pending JPS603910U (en) 1983-06-20 1983-06-20 magnetic disk device

Country Status (1)

Country Link
JP (1) JPS603910U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01285005A (en) * 1988-05-11 1989-11-16 Matsushita Electric Ind Co Ltd Crosstalk reducing device magnetic recording and reproducing device
JPH08218748A (en) * 1995-02-14 1996-08-27 Shibutani:Kk Opening/closing device for folding door

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01285005A (en) * 1988-05-11 1989-11-16 Matsushita Electric Ind Co Ltd Crosstalk reducing device magnetic recording and reproducing device
JPH08218748A (en) * 1995-02-14 1996-08-27 Shibutani:Kk Opening/closing device for folding door

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