JPS61105920U - - Google Patents
Info
- Publication number
- JPS61105920U JPS61105920U JP18941784U JP18941784U JPS61105920U JP S61105920 U JPS61105920 U JP S61105920U JP 18941784 U JP18941784 U JP 18941784U JP 18941784 U JP18941784 U JP 18941784U JP S61105920 U JPS61105920 U JP S61105920U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- objective
- spot
- recording
- tracking
- 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 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18941784U JPS61105920U (ko) | 1984-12-12 | 1984-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18941784U JPS61105920U (ko) | 1984-12-12 | 1984-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61105920U true JPS61105920U (ko) | 1986-07-05 |
Family
ID=30746868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18941784U Pending JPS61105920U (ko) | 1984-12-12 | 1984-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61105920U (ko) |
-
1984
- 1984-12-12 JP JP18941784U patent/JPS61105920U/ja active Pending