JPS6396613U - - Google Patents
Info
- Publication number
- JPS6396613U JPS6396613U JP18921086U JP18921086U JPS6396613U JP S6396613 U JPS6396613 U JP S6396613U JP 18921086 U JP18921086 U JP 18921086U JP 18921086 U JP18921086 U JP 18921086U JP S6396613 U JPS6396613 U JP S6396613U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- light
- receiving element
- focusing
- light beam
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18921086U JPS6396613U (nl) | 1986-12-10 | 1986-12-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18921086U JPS6396613U (nl) | 1986-12-10 | 1986-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6396613U true JPS6396613U (nl) | 1988-06-22 |
Family
ID=31141295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18921086U Pending JPS6396613U (nl) | 1986-12-10 | 1986-12-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6396613U (nl) |
-
1986
- 1986-12-10 JP JP18921086U patent/JPS6396613U/ja active Pending