JPS63173796U - - Google Patents
Info
- Publication number
- JPS63173796U JPS63173796U JP6657987U JP6657987U JPS63173796U JP S63173796 U JPS63173796 U JP S63173796U JP 6657987 U JP6657987 U JP 6657987U JP 6657987 U JP6657987 U JP 6657987U JP S63173796 U JPS63173796 U JP S63173796U
- Authority
- JP
- Japan
- Prior art keywords
- information recording
- light
- recording disk
- detection means
- reproducing device
- 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
- 238000001514 detection method Methods 0.000 claims 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6657987U JPS63173796U (zh) | 1987-04-30 | 1987-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6657987U JPS63173796U (zh) | 1987-04-30 | 1987-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63173796U true JPS63173796U (zh) | 1988-11-11 |
Family
ID=30904716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6657987U Pending JPS63173796U (zh) | 1987-04-30 | 1987-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63173796U (zh) |
-
1987
- 1987-04-30 JP JP6657987U patent/JPS63173796U/ja active Pending
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