JPS5263308A - Magnetic disk device - Google Patents
Magnetic disk deviceInfo
- Publication number
- JPS5263308A JPS5263308A JP13984975A JP13984975A JPS5263308A JP S5263308 A JPS5263308 A JP S5263308A JP 13984975 A JP13984975 A JP 13984975A JP 13984975 A JP13984975 A JP 13984975A JP S5263308 A JPS5263308 A JP S5263308A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- disk device
- signal corresponding
- magnetic sheet
- practicability
- 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
- 230000005540 biological transmission Effects 0.000 abstract 1
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Abstract
PURPOSE: To attain the elevation of practicability of the magnetic sheet, by modulating the frequency of the sector signal corresponding to the rotation angle of the magnetic sheet, and the clock signal corresponding to the transmission speed of data, and writing in the same track.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13984975A JPS5263308A (en) | 1975-11-20 | 1975-11-20 | Magnetic disk device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13984975A JPS5263308A (en) | 1975-11-20 | 1975-11-20 | Magnetic disk device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5263308A true JPS5263308A (en) | 1977-05-25 |
Family
ID=15254949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13984975A Pending JPS5263308A (en) | 1975-11-20 | 1975-11-20 | Magnetic disk device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5263308A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4422784Y1 (en) * | 1966-04-12 | 1969-09-25 | ||
JPS4843784A (en) * | 1971-10-06 | 1973-06-23 |
-
1975
- 1975-11-20 JP JP13984975A patent/JPS5263308A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4422784Y1 (en) * | 1966-04-12 | 1969-09-25 | ||
JPS4843784A (en) * | 1971-10-06 | 1973-06-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5210102A (en) | Recording medium | |
JPS5342517A (en) | Field memory unit | |
JPS5263308A (en) | Magnetic disk device | |
JPS539508A (en) | Magnetic recording and playback system | |
JPS51129201A (en) | Magnetic recording medium | |
JPS5236914A (en) | Magnetic recording and reproducing device | |
JPS5283018A (en) | Magnetic video tape reproduction system | |
JPS5217717A (en) | Disk recording reproduction apparatus | |
JPS5275113A (en) | Video disc | |
JPS53120411A (en) | Time axis converting system using rotary recording medium | |
JPS5210036A (en) | Connection device between electronic computer and magnetic disk unit | |
JPS51124347A (en) | Information processing and recording unit for magnetic cards | |
JPS5247663A (en) | Search device of information record card | |
JPS5350816A (en) | Floating type magnetic head | |
JPS53116126A (en) | Magnetic recording-reproducing system | |
JPS5293241A (en) | Recording of information | |
JPS5277713A (en) | Signal recording and reproduction system | |
JPS5236413A (en) | Time axis correction device | |
JPS5398729A (en) | Recording and reproducing unit of rotary magnetic disc | |
JPS51135669A (en) | Graphic signal space modulator | |
JPS5389411A (en) | Signal transcriber | |
JPS5288011A (en) | Magnetic recording and reproduction apparatus | |
JPS51122415A (en) | Rotary sheet device | |
JPS5230408A (en) | Magnetic disc device | |
JPS5413311A (en) | Magnetic recording and reproducing system |