JPH042318U - - Google Patents
Info
- Publication number
- JPH042318U JPH042318U JP3984890U JP3984890U JPH042318U JP H042318 U JPH042318 U JP H042318U JP 3984890 U JP3984890 U JP 3984890U JP 3984890 U JP3984890 U JP 3984890U JP H042318 U JPH042318 U JP H042318U
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor laser
- collimating lens
- optical pickup
- adjustment mechanism
- beam shaping
- 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 6
- 239000004065 semiconductor Substances 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 3
- 201000009310 astigmatism Diseases 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3984890U JPH042318U (da) | 1990-04-14 | 1990-04-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3984890U JPH042318U (da) | 1990-04-14 | 1990-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH042318U true JPH042318U (da) | 1992-01-09 |
Family
ID=31549115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3984890U Pending JPH042318U (da) | 1990-04-14 | 1990-04-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH042318U (da) |
-
1990
- 1990-04-14 JP JP3984890U patent/JPH042318U/ja active Pending
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