JPH0220825U - - Google Patents
Info
- Publication number
- JPH0220825U JPH0220825U JP1988100048U JP10004888U JPH0220825U JP H0220825 U JPH0220825 U JP H0220825U JP 1988100048 U JP1988100048 U JP 1988100048U JP 10004888 U JP10004888 U JP 10004888U JP H0220825 U JPH0220825 U JP H0220825U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- reflectance level
- recording track
- recording
- track portion
- 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
- 230000003287 optical effect Effects 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988100048U JPH0220825U (en, 2012) | 1988-07-27 | 1988-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988100048U JPH0220825U (en, 2012) | 1988-07-27 | 1988-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0220825U true JPH0220825U (en, 2012) | 1990-02-13 |
Family
ID=31327770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988100048U Pending JPH0220825U (en, 2012) | 1988-07-27 | 1988-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0220825U (en, 2012) |
-
1988
- 1988-07-27 JP JP1988100048U patent/JPH0220825U/ja active Pending