JPS5933118U - floppy disk device - Google Patents
floppy disk deviceInfo
- 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
Links
Landscapes
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
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)
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.
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) |
-
1982
- 1982-08-23 JP JP12717182U patent/JPS5933118U/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5933118U (en) | floppy disk device | |
JPS5928810U (en) | Oscillation circuit for erasing tape recorder | |
JPS6070910U (en) | Data write circuit | |
JPS5835115U (en) | magnetic disk device | |
JPS59167439U (en) | Solenoid coil drive circuit | |
JPS58193330U (en) | Magnetic head anti-magnetic device | |
JPS59135517U (en) | writing device | |
JPS591111U (en) | magnetic regeneration circuit | |
JPS6044204U (en) | Relay circuit chattering prevention device | |
JPS6065622U (en) | recorder | |
JPS60127022U (en) | signal output device | |
JPS5953541U (en) | magnetic recording and reproducing device | |
JPS60193763U (en) | Degaussing circuit | |
JPS58103072U (en) | Fusing control device | |
JPS58150194U (en) | Sensor information reading circuit | |
JPS59121915U (en) | Muting circuit | |
JPS58151926U (en) | Magnetic recording tape playback device | |
JPS59127229U (en) | Magnetizing device | |
JPS6023765U (en) | voltage detection device | |
JPS6027512U (en) | amplifier power supply | |
JPS5848043U (en) | Operation confirmation device for magnetic recording and reproducing equipment | |
JPS5860455U (en) | Printing wire drive device | |
JPS58163016U (en) | AC bias supply circuit for tape recorder | |
JPS58182408U (en) | solenoid drive circuit | |
JPS616925U (en) | tape recorder |