JPS61187027U - - Google Patents
Info
- Publication number
- JPS61187027U JPS61187027U JP6899485U JP6899485U JPS61187027U JP S61187027 U JPS61187027 U JP S61187027U JP 6899485 U JP6899485 U JP 6899485U JP 6899485 U JP6899485 U JP 6899485U JP S61187027 U JPS61187027 U JP S61187027U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light receiving
- receiving element
- shape
- optical head
- 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 5
- 238000000034 method Methods 0.000 claims description 4
- 201000009310 astigmatism Diseases 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6899485U JPS61187027U (fr) | 1985-05-10 | 1985-05-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6899485U JPS61187027U (fr) | 1985-05-10 | 1985-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61187027U true JPS61187027U (fr) | 1986-11-21 |
Family
ID=30604251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6899485U Pending JPS61187027U (fr) | 1985-05-10 | 1985-05-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61187027U (fr) |
-
1985
- 1985-05-10 JP JP6899485U patent/JPS61187027U/ja active Pending