JPS644903A - Magnetic disk device - Google Patents
Magnetic disk deviceInfo
- Publication number
- JPS644903A JPS644903A JP16001987A JP16001987A JPS644903A JP S644903 A JPS644903 A JP S644903A JP 16001987 A JP16001987 A JP 16001987A JP 16001987 A JP16001987 A JP 16001987A JP S644903 A JPS644903 A JP S644903A
- Authority
- JP
- Japan
- Prior art keywords
- head
- erasing head
- medium
- erasing
- maximum
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
Landscapes
- Digital Magnetic Recording (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16001987A JPS644903A (en) | 1987-06-26 | 1987-06-26 | Magnetic disk device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16001987A JPS644903A (en) | 1987-06-26 | 1987-06-26 | Magnetic disk device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS644903A true JPS644903A (en) | 1989-01-10 |
Family
ID=15706219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16001987A Pending JPS644903A (en) | 1987-06-26 | 1987-06-26 | Magnetic disk device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS644903A (ja) |
-
1987
- 1987-06-26 JP JP16001987A patent/JPS644903A/ja active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS57117106A (en) | Optical magnetic recording and reproducing method | |
EP0431185A4 (en) | Optical recorder | |
JPS52110003A (en) | Recording and reproducing apparatus | |
DE3370394D1 (en) | Information signal reproducing devices | |
JPS644903A (en) | Magnetic disk device | |
US3990108A (en) | Magnetic tape speed control system | |
KR850005930A (ko) | 자기기록 재생장치의 연속 촬영 장치 | |
JPS5637874A (en) | Magnetic tape reproduction system | |
EP0860825A3 (en) | Information storage device having transducers operating in a pulse mode in synchronism with a clock | |
KR890017690A (ko) | 신호 기록장치 | |
ATE115324T1 (de) | Video-signalwiedergabegerät. | |
CH610135A5 (en) | Method of recording on a magnetic medium and magnetic medium recorded according to this method | |
SU746701A1 (ru) | Устройство дл магнитной записи и контрольного воспроизведени цифровой информации | |
JPS5542372A (en) | Magnetic recording and reproducing device | |
SU698043A1 (ru) | Способ магнитной записи цифровой информации на магнитном носителе имени соколова | |
JPS53109609A (en) | Magnetic recorder | |
ES485997A1 (es) | Perfeccionamientos en dispositivos saltadores de surcos paraun aparato de video disco | |
JPS52152712A (en) | Magnetic recording and reproducing apparatus | |
JPS5661029A (en) | Magnetic recording and reproducing device | |
JPS53115209A (en) | Magnetic recording method | |
JPS5421315A (en) | Magnetic recorder | |
JPS53100208A (en) | Auto reversing system | |
JPS55123283A (en) | Still picture reproducting device | |
JPS533728A (en) | Record control unit in video signal recorde and reproducing device | |
JPS6450293A (en) | Magnetic disk device |