JPH02140631U - - Google Patents
Info
- Publication number
- JPH02140631U JPH02140631U JP4903389U JP4903389U JPH02140631U JP H02140631 U JPH02140631 U JP H02140631U JP 4903389 U JP4903389 U JP 4903389U JP 4903389 U JP4903389 U JP 4903389U JP H02140631 U JPH02140631 U JP H02140631U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- pulse width
- disk device
- data
- disk medium
- 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 11
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
Landscapes
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4903389U JPH02140631U (enExample) | 1989-04-26 | 1989-04-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4903389U JPH02140631U (enExample) | 1989-04-26 | 1989-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02140631U true JPH02140631U (enExample) | 1990-11-26 |
Family
ID=31566375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4903389U Pending JPH02140631U (enExample) | 1989-04-26 | 1989-04-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02140631U (enExample) |
-
1989
- 1989-04-26 JP JP4903389U patent/JPH02140631U/ja active Pending
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