JPS63200225U - - Google Patents
Info
- Publication number
- JPS63200225U JPS63200225U JP8892687U JP8892687U JPS63200225U JP S63200225 U JPS63200225 U JP S63200225U JP 8892687 U JP8892687 U JP 8892687U JP 8892687 U JP8892687 U JP 8892687U JP S63200225 U JPS63200225 U JP S63200225U
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- reflected light
- pickup device
- semiconductor laser
- information recording
- 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 7
- 239000004065 semiconductor Substances 0.000 claims description 3
- 239000006059 cover glass Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8892687U JPS63200225U (ko) | 1987-06-09 | 1987-06-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8892687U JPS63200225U (ko) | 1987-06-09 | 1987-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63200225U true JPS63200225U (ko) | 1988-12-23 |
Family
ID=30947454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8892687U Pending JPS63200225U (ko) | 1987-06-09 | 1987-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63200225U (ko) |
-
1987
- 1987-06-09 JP JP8892687U patent/JPS63200225U/ja active Pending
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