JPS648220U - - Google Patents
Info
- Publication number
- JPS648220U JPS648220U JP10201987U JP10201987U JPS648220U JP S648220 U JPS648220 U JP S648220U JP 10201987 U JP10201987 U JP 10201987U JP 10201987 U JP10201987 U JP 10201987U JP S648220 U JPS648220 U JP S648220U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- photodetector
- comparing
- holding means
- moving
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10201987U JPS648220U (en]) | 1987-07-02 | 1987-07-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10201987U JPS648220U (en]) | 1987-07-02 | 1987-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS648220U true JPS648220U (en]) | 1989-01-18 |
Family
ID=31331542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10201987U Pending JPS648220U (en]) | 1987-07-02 | 1987-07-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS648220U (en]) |
-
1987
- 1987-07-02 JP JP10201987U patent/JPS648220U/ja active Pending
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