JPS6455742A - Rewritable optical disk device - Google Patents
Rewritable optical disk deviceInfo
- Publication number
- JPS6455742A JPS6455742A JP62211279A JP21127987A JPS6455742A JP S6455742 A JPS6455742 A JP S6455742A JP 62211279 A JP62211279 A JP 62211279A JP 21127987 A JP21127987 A JP 21127987A JP S6455742 A JPS6455742 A JP S6455742A
- Authority
- JP
- Japan
- Prior art keywords
- information
- driving
- track
- constant
- 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.)
- Pending
Links
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
- Rotational Drive Of Disk (AREA)
Abstract
PURPOSE:To facilitate recording and reproducing by either constant angle speed driving or a constant line speed driving by providing a track equipped with first and second pre-format parts for driving a constant angle and for driving a constant line speed, respectively at one optical disk, and accessing either of them. CONSTITUTION:A disc-shaped optical disk 1 is divided into plural sets of concentric tracks of a first information track 101 and a second information track 102 from an outer circumference to an inner circumference, a first pre-format part 110 to record the constant angle speed driving information and a first information recording part 111 corresponding to this are provided at the first track 101 and a sector 112 constituted of these is provided over the whole circumference. Plural sectors are provided adjoining to the second information track 102 located at the inside of the track 101, and a second pre-format part 120 to record the constant line speed driving information to here and a second recording information part 121 corresponding to this are provided. Thus, the disk 1 is constituted, the pre-format part is put to proper use in accordance with the request of the constant angle driving or the constant line driving.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62211279A JPS6455742A (en) | 1987-08-27 | 1987-08-27 | Rewritable optical disk device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62211279A JPS6455742A (en) | 1987-08-27 | 1987-08-27 | Rewritable optical disk device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6455742A true JPS6455742A (en) | 1989-03-02 |
Family
ID=16603294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62211279A Pending JPS6455742A (en) | 1987-08-27 | 1987-08-27 | Rewritable optical disk device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6455742A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006323997A (en) * | 2003-07-07 | 2006-11-30 | Lg Electron Inc | Recording medium, method constituting its control information, recording and/or reproducing method using control information, and its device |
US8582273B2 (en) | 2010-02-26 | 2013-11-12 | Mitsubishi Electric Corporation | Surge absorbing circuit and electric device using the same |
-
1987
- 1987-08-27 JP JP62211279A patent/JPS6455742A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006323997A (en) * | 2003-07-07 | 2006-11-30 | Lg Electron Inc | Recording medium, method constituting its control information, recording and/or reproducing method using control information, and its device |
JP2006323998A (en) * | 2003-07-07 | 2006-11-30 | Lg Electron Inc | Recording medium, method constituting its control information, recording and/or reproducing method using control information, and its device |
US8582273B2 (en) | 2010-02-26 | 2013-11-12 | Mitsubishi Electric Corporation | Surge absorbing circuit and electric device using the same |
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