JPS52155022A - Magnetic disc memory control unit - Google Patents
Magnetic disc memory control unitInfo
- Publication number
- JPS52155022A JPS52155022A JP7113176A JP7113176A JPS52155022A JP S52155022 A JPS52155022 A JP S52155022A JP 7113176 A JP7113176 A JP 7113176A JP 7113176 A JP7113176 A JP 7113176A JP S52155022 A JPS52155022 A JP S52155022A
- Authority
- JP
- Japan
- Prior art keywords
- control unit
- memory control
- magnetic disc
- disc memory
- plural
- 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.)
- Granted
Links
Landscapes
- Multi Processors (AREA)
Abstract
PURPOSE: To obtain the unit where arbitrary different areas on the same magnetic memory can be occupied temporarily by plural processing units or plural programs and plural tasks simultaneously.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7113176A JPS52155022A (en) | 1976-06-18 | 1976-06-18 | Magnetic disc memory control unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7113176A JPS52155022A (en) | 1976-06-18 | 1976-06-18 | Magnetic disc memory control unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52155022A true JPS52155022A (en) | 1977-12-23 |
JPS5736616B2 JPS5736616B2 (en) | 1982-08-05 |
Family
ID=13451703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7113176A Granted JPS52155022A (en) | 1976-06-18 | 1976-06-18 | Magnetic disc memory control unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52155022A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5827255A (en) * | 1981-08-12 | 1983-02-17 | Hitachi Ltd | Controlling system of file used for plural electronic computers in common |
JPS58127258A (en) * | 1982-01-25 | 1983-07-29 | Hitachi Ltd | Exclusive controlling system of external storage device |
JPS58178455A (en) * | 1982-04-14 | 1983-10-19 | Hitachi Ltd | Exclusive control system for shared file |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50115938A (en) * | 1974-02-22 | 1975-09-10 | ||
JPS50151036A (en) * | 1974-05-23 | 1975-12-04 |
-
1976
- 1976-06-18 JP JP7113176A patent/JPS52155022A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50115938A (en) * | 1974-02-22 | 1975-09-10 | ||
JPS50151036A (en) * | 1974-05-23 | 1975-12-04 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5827255A (en) * | 1981-08-12 | 1983-02-17 | Hitachi Ltd | Controlling system of file used for plural electronic computers in common |
JPH0115899B2 (en) * | 1981-08-12 | 1989-03-22 | Hitachi Ltd | |
JPS58127258A (en) * | 1982-01-25 | 1983-07-29 | Hitachi Ltd | Exclusive controlling system of external storage device |
JPS58178455A (en) * | 1982-04-14 | 1983-10-19 | Hitachi Ltd | Exclusive control system for shared file |
Also Published As
Publication number | Publication date |
---|---|
JPS5736616B2 (en) | 1982-08-05 |
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