JPH02135991U - - Google Patents
Info
- Publication number
- JPH02135991U JPH02135991U JP1989045220U JP4522089U JPH02135991U JP H02135991 U JPH02135991 U JP H02135991U JP 1989045220 U JP1989045220 U JP 1989045220U JP 4522089 U JP4522089 U JP 4522089U JP H02135991 U JPH02135991 U JP H02135991U
- Authority
- JP
- Japan
- Prior art keywords
- identify
- allowing
- utility
- predetermined position
- optical disc
- 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 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989045220U JPH02135991U (ru) | 1989-04-18 | 1989-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989045220U JPH02135991U (ru) | 1989-04-18 | 1989-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02135991U true JPH02135991U (ru) | 1990-11-13 |
Family
ID=31559199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989045220U Pending JPH02135991U (ru) | 1989-04-18 | 1989-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02135991U (ru) |
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1989
- 1989-04-18 JP JP1989045220U patent/JPH02135991U/ja active Pending