JPH02132326U - - Google Patents
Info
- Publication number
- JPH02132326U JPH02132326U JP4040889U JP4040889U JPH02132326U JP H02132326 U JPH02132326 U JP H02132326U JP 4040889 U JP4040889 U JP 4040889U JP 4040889 U JP4040889 U JP 4040889U JP H02132326 U JPH02132326 U JP H02132326U
- Authority
- JP
- Japan
- Prior art keywords
- laser light
- light source
- beam splitter
- reflected
- 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 14
- 238000007493 shaping process Methods 0.000 claims description 6
- 201000009310 astigmatism Diseases 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4040889U JPH02132326U (sv) | 1989-04-05 | 1989-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4040889U JPH02132326U (sv) | 1989-04-05 | 1989-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02132326U true JPH02132326U (sv) | 1990-11-02 |
Family
ID=31550171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4040889U Pending JPH02132326U (sv) | 1989-04-05 | 1989-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02132326U (sv) |
-
1989
- 1989-04-05 JP JP4040889U patent/JPH02132326U/ja active Pending
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