JPS61182926U - - Google Patents
Info
- Publication number
- JPS61182926U JPS61182926U JP6481185U JP6481185U JPS61182926U JP S61182926 U JPS61182926 U JP S61182926U JP 6481185 U JP6481185 U JP 6481185U JP 6481185 U JP6481185 U JP 6481185U JP S61182926 U JPS61182926 U JP S61182926U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- converging
- lens
- disk
- 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 8
- 238000001514 detection method Methods 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 2
- 230000010287 polarization Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6481185U JPS61182926U (ko) | 1985-04-30 | 1985-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6481185U JPS61182926U (ko) | 1985-04-30 | 1985-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61182926U true JPS61182926U (ko) | 1986-11-14 |
Family
ID=30596239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6481185U Pending JPS61182926U (ko) | 1985-04-30 | 1985-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61182926U (ko) |
-
1985
- 1985-04-30 JP JP6481185U patent/JPS61182926U/ja active Pending
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