JPS6448283A - Storage control method for optical disk - Google Patents
Storage control method for optical diskInfo
- Publication number
- JPS6448283A JPS6448283A JP20411087A JP20411087A JPS6448283A JP S6448283 A JPS6448283 A JP S6448283A JP 20411087 A JP20411087 A JP 20411087A JP 20411087 A JP20411087 A JP 20411087A JP S6448283 A JPS6448283 A JP S6448283A
- Authority
- JP
- Japan
- Prior art keywords
- area
- information
- control
- access
- optical disk
- 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
- Management Or Editing Of Information On Record Carriers (AREA)
Abstract
PURPOSE:To efficiently access secondary information for control and to flexibly apply the information to various retrieving systems by dividing the storing area of a data file and the storing area of the secondary information for control. CONSTITUTION:The storing area of an optical disk is divided into two areas, namely, into a data area AD to store the data file and a controlling information area AM to store controlling information to execute the access of the data file. Further, the controlling information area AM is divided into a header area HD, a system area SM and a data area KY for retrieval. Thus, the storing area of the data file and the storing area of secondary information for control are divided and the access can be independently executed to the respective areas. Then, the secondary information for control can be secured with an arbitrary size of the unit of sectors of the optical disk in a successive area and the access can be executed to the secondary information for control at a high speed. Thus, a file control system can operate a file and retrieving information with the separated system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62204110A JP2689116B2 (en) | 1987-08-19 | 1987-08-19 | Optical disk storage management method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62204110A JP2689116B2 (en) | 1987-08-19 | 1987-08-19 | Optical disk storage management method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6448283A true JPS6448283A (en) | 1989-02-22 |
JP2689116B2 JP2689116B2 (en) | 1997-12-10 |
Family
ID=16484967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62204110A Expired - Lifetime JP2689116B2 (en) | 1987-08-19 | 1987-08-19 | Optical disk storage management method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2689116B2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6254369A (en) * | 1985-09-02 | 1987-03-10 | Matsushita Graphic Commun Syst Inc | Document file retrieving system |
-
1987
- 1987-08-19 JP JP62204110A patent/JP2689116B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6254369A (en) * | 1985-09-02 | 1987-03-10 | Matsushita Graphic Commun Syst Inc | Document file retrieving system |
Also Published As
Publication number | Publication date |
---|---|
JP2689116B2 (en) | 1997-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |