JPS5933118U - floppy disk device - Google Patents

floppy disk device

Info

Publication number
JPS5933118U
JPS5933118U JP12717182U JP12717182U JPS5933118U JP S5933118 U JPS5933118 U JP S5933118U JP 12717182 U JP12717182 U JP 12717182U JP 12717182 U JP12717182 U JP 12717182U JP S5933118 U JPS5933118 U JP S5933118U
Authority
JP
Japan
Prior art keywords
magnetic head
circuit
floppy disk
disk device
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
JP12717182U
Other languages
Japanese (ja)
Inventor
井谷 信雄
Original Assignee
日本電気株式会社
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 日本電気株式会社 filed Critical 日本電気株式会社
Priority to JP12717182U priority Critical patent/JPS5933118U/en
Publication of JPS5933118U publication Critical patent/JPS5933118U/en
Pending legal-status Critical Current

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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 drawings]

第1図は本考案の一実施例を部分的にブロックで示した
回路図、第2図は本実施例に用いる電流減衰回路におけ
る磁気ヘッドに流す電流を除々に減少させる制御信号を
示す図である。 1・・・・・・電源確立検出回路、2・・・・・・ヘッ
ドロード検出回路、3・・・・・・電流減衰回路、4・
・・・・・発振回路、5・・・・・・書込回路、6・・
・・・・磁気ヘッド。
FIG. 1 is a circuit diagram partially showing an embodiment of the present invention in block form, and FIG. 2 is a diagram showing a control signal for gradually reducing the current flowing through the magnetic head in the current attenuation circuit used in this embodiment. be. 1...Power supply establishment detection circuit, 2...Head load detection circuit, 3...Current attenuation circuit, 4.
...Oscillation circuit, 5...Writing circuit, 6...
...magnetic head.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁気ヘッドを消磁するための交流信号を発生する発振回
路と、該発振回路の出力に接続され、かつ磁気ヘッドに
接続された書込み電流を供給する書込回路と、該書込回
路に接続され、磁気ヘッドへの書込電流を制御する電流
減衰回路とを含む磁気ヘッドの消磁回路を有するフロッ
ピィディスク、装置。
an oscillation circuit that generates an alternating current signal for demagnetizing the magnetic head; a write circuit that supplies a write current connected to the output of the oscillation circuit and that is connected to the magnetic head; A floppy disk and a device having a magnetic head degaussing circuit including a current attenuation circuit that controls a write current to the magnetic head.
JP12717182U 1982-08-23 1982-08-23 floppy disk device Pending JPS5933118U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12717182U JPS5933118U (en) 1982-08-23 1982-08-23 floppy disk device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12717182U JPS5933118U (en) 1982-08-23 1982-08-23 floppy disk device

Publications (1)

Publication Number Publication Date
JPS5933118U true JPS5933118U (en) 1984-03-01

Family

ID=30288925

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12717182U Pending JPS5933118U (en) 1982-08-23 1982-08-23 floppy disk device

Country Status (1)

Country Link
JP (1) JPS5933118U (en)

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