JPS6467780A - Optical information recording medium - Google Patents
Optical information recording mediumInfo
- Publication number
- JPS6467780A JPS6467780A JP62225711A JP22571187A JPS6467780A JP S6467780 A JPS6467780 A JP S6467780A JP 62225711 A JP62225711 A JP 62225711A JP 22571187 A JP22571187 A JP 22571187A JP S6467780 A JPS6467780 A JP S6467780A
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- cartridge
- recording medium
- information recording
- optical information
- 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)
Abstract
PURPOSE:To enable a user himself to manage the deterioration of an optical disk due to secular change by providing a transparent window part on one surface or both surfaces of a cartridge that contains an optical disk. CONSTITUTION:The cartridge 101 holds and protects the optical disk 104. To the cartridge 101, a recording/reproducing hole 103 to record/reproduce/erase optically is provided. Normally, the hole 103 is covered by a shield plate 102. Also, the transparent window part 105 is provided to the cartridge 101, through which a user can observe the optical disk 104. As a result, the user can manage the deterioration of the optical disk 104 due to secular change.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62225711A JPS6467780A (en) | 1987-09-09 | 1987-09-09 | Optical information recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62225711A JPS6467780A (en) | 1987-09-09 | 1987-09-09 | Optical information recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6467780A true JPS6467780A (en) | 1989-03-14 |
Family
ID=16833606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62225711A Pending JPS6467780A (en) | 1987-09-09 | 1987-09-09 | Optical information recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6467780A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0394681U (en) * | 1989-12-29 | 1991-09-26 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS582785B2 (en) * | 1974-09-03 | 1983-01-18 | オ−トマテイスム エ テクニク | Lenzokujidou Kumitatebutsupinno Kanetsukoteisouchi |
JPS60115051A (en) * | 1983-11-26 | 1985-06-21 | Toshiba Corp | Information processor |
JPS6152374B2 (en) * | 1982-01-29 | 1986-11-13 | Tokyo Shibaura Electric Co |
-
1987
- 1987-09-09 JP JP62225711A patent/JPS6467780A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS582785B2 (en) * | 1974-09-03 | 1983-01-18 | オ−トマテイスム エ テクニク | Lenzokujidou Kumitatebutsupinno Kanetsukoteisouchi |
JPS6152374B2 (en) * | 1982-01-29 | 1986-11-13 | Tokyo Shibaura Electric Co | |
JPS60115051A (en) * | 1983-11-26 | 1985-06-21 | Toshiba Corp | Information processor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0394681U (en) * | 1989-12-29 | 1991-09-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS56101652A (en) | Method of writing information on optically readable disk type recording media | |
JPS5567948A (en) | Data storing optical disk type recording medium | |
AU535687B2 (en) | Optically readable digital information disc and recording and reproducing apparatus therefor | |
AU5455080A (en) | Optically recording information | |
SE7909118L (en) | OPTICAL ENROLLABLE RECORDER | |
NL192014C (en) | Optical recording medium whether or not containing information. | |
GB2155811B (en) | Optical information recording medium | |
DE3175616D1 (en) | Optical disks and recording and reproducing system using the same | |
EP0414557A3 (en) | Optical disk recording/reproducing device | |
MY106121A (en) | Disc cartridge | |
GB1525849A (en) | Record disc cartridge | |
FR2471107B1 (en) | APPARATUS FOR REPRODUCING A SIGNAL RECORDING DISC WITH ENCODED PULSE MODULATION | |
GB2203886B (en) | Optical information recording disk | |
AU532591B2 (en) | Optical recording disc | |
EP0411961A3 (en) | Optical disk recording/reproducing device | |
EP0255188A3 (en) | Method of recording, reproducing and erasing information on an optical disk | |
GB8504106D0 (en) | Optical information recording medium | |
SG42436A1 (en) | Improved light-readable recording disc | |
KR900012225A (en) | Optical disc substrate and optical information recording medium | |
JPS55132538A (en) | Recording medium having optical reading information structure | |
JPS6467780A (en) | Optical information recording medium | |
EP0307081A3 (en) | Recording medium for optical data storage | |
ZA89525B (en) | Optical record carrier | |
EP0452884A3 (en) | A rewritable optical disc | |
EP0280548A3 (en) | Erasable optical disk and optical information recording/reproduction apparatus |