JPS5277641A - Sub system of magnetic disc unit - Google Patents
Sub system of magnetic disc unitInfo
- Publication number
- JPS5277641A JPS5277641A JP50155186A JP15518675A JPS5277641A JP S5277641 A JPS5277641 A JP S5277641A JP 50155186 A JP50155186 A JP 50155186A JP 15518675 A JP15518675 A JP 15518675A JP S5277641 A JPS5277641 A JP S5277641A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disc
- sub system
- disc unit
- information
- recording
- 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
- Debugging And Monitoring (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
PURPOSE: To make built-in memory capacity small and to exclude floppy disc by recording previously necessary information to a magnetic disc and moreover by recording logging information and statistical information to the magnetic disc in case of operation of subsystem.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50155186A JPS5277641A (en) | 1975-12-24 | 1975-12-24 | Sub system of magnetic disc unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50155186A JPS5277641A (en) | 1975-12-24 | 1975-12-24 | Sub system of magnetic disc unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5277641A true JPS5277641A (en) | 1977-06-30 |
Family
ID=15600353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50155186A Pending JPS5277641A (en) | 1975-12-24 | 1975-12-24 | Sub system of magnetic disc unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5277641A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5778639A (en) * | 1980-10-30 | 1982-05-17 | Olympus Optical Co Ltd | Information recording system to optical disk |
JPS5969856A (en) * | 1982-10-15 | 1984-04-20 | Usac Electronics Ind Co Ltd | Method for controlling built-in magnetic disc |
-
1975
- 1975-12-24 JP JP50155186A patent/JPS5277641A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5778639A (en) * | 1980-10-30 | 1982-05-17 | Olympus Optical Co Ltd | Information recording system to optical disk |
JPH0554189B2 (en) * | 1980-10-30 | 1993-08-11 | Olympus Optical Co | |
JPS5969856A (en) * | 1982-10-15 | 1984-04-20 | Usac Electronics Ind Co Ltd | Method for controlling built-in magnetic disc |
JPH0429088B2 (en) * | 1982-10-15 | 1992-05-18 |
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