JPS61121520U - - Google Patents
Info
- Publication number
- JPS61121520U JPS61121520U JP268385U JP268385U JPS61121520U JP S61121520 U JPS61121520 U JP S61121520U JP 268385 U JP268385 U JP 268385U JP 268385 U JP268385 U JP 268385U JP S61121520 U JPS61121520 U JP S61121520U
- Authority
- JP
- Japan
- Prior art keywords
- light
- disc
- optical system
- disk
- tracking
- 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 10
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP268385U JPS61121520U (cs) | 1985-01-12 | 1985-01-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP268385U JPS61121520U (cs) | 1985-01-12 | 1985-01-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61121520U true JPS61121520U (cs) | 1986-07-31 |
Family
ID=30476595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP268385U Pending JPS61121520U (cs) | 1985-01-12 | 1985-01-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61121520U (cs) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4846235A (cs) * | 1971-10-13 | 1973-07-02 | ||
| JPS59215033A (ja) * | 1983-05-23 | 1984-12-04 | Hitachi Ltd | 光デイスク記録再生装置 |
-
1985
- 1985-01-12 JP JP268385U patent/JPS61121520U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4846235A (cs) * | 1971-10-13 | 1973-07-02 | ||
| JPS59215033A (ja) * | 1983-05-23 | 1984-12-04 | Hitachi Ltd | 光デイスク記録再生装置 |