JPH0481213U - - Google Patents
Info
- Publication number
- JPH0481213U JPH0481213U JP12620490U JP12620490U JPH0481213U JP H0481213 U JPH0481213 U JP H0481213U JP 12620490 U JP12620490 U JP 12620490U JP 12620490 U JP12620490 U JP 12620490U JP H0481213 U JPH0481213 U JP H0481213U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- view
- wavelength plate
- laser beam
- optical
- 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
- 230000010287 polarization Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12620490U JPH0481213U (en]) | 1990-11-28 | 1990-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12620490U JPH0481213U (en]) | 1990-11-28 | 1990-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0481213U true JPH0481213U (en]) | 1992-07-15 |
Family
ID=31873770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12620490U Pending JPH0481213U (en]) | 1990-11-28 | 1990-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0481213U (en]) |
-
1990
- 1990-11-28 JP JP12620490U patent/JPH0481213U/ja active Pending
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