JPS63153323U - - Google Patents
Info
- Publication number
- JPS63153323U JPS63153323U JP4484387U JP4484387U JPS63153323U JP S63153323 U JPS63153323 U JP S63153323U JP 4484387 U JP4484387 U JP 4484387U JP 4484387 U JP4484387 U JP 4484387U JP S63153323 U JPS63153323 U JP S63153323U
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- information recording
- recording surface
- optical
- light source
- 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 21
- 238000001514 detection method Methods 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 2
Landscapes
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4484387U JPS63153323U (ko) | 1987-03-26 | 1987-03-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4484387U JPS63153323U (ko) | 1987-03-26 | 1987-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63153323U true JPS63153323U (ko) | 1988-10-07 |
Family
ID=30863036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4484387U Pending JPS63153323U (ko) | 1987-03-26 | 1987-03-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63153323U (ko) |
-
1987
- 1987-03-26 JP JP4484387U patent/JPS63153323U/ja active Pending