JPH02101322U - - Google Patents
Info
- Publication number
- JPH02101322U JPH02101322U JP720289U JP720289U JPH02101322U JP H02101322 U JPH02101322 U JP H02101322U JP 720289 U JP720289 U JP 720289U JP 720289 U JP720289 U JP 720289U JP H02101322 U JPH02101322 U JP H02101322U
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical
- disk
- emitting element
- objective lens
- 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
- 238000001514 detection method Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP720289U JPH02101322U (ko) | 1989-01-24 | 1989-01-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP720289U JPH02101322U (ko) | 1989-01-24 | 1989-01-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02101322U true JPH02101322U (ko) | 1990-08-13 |
Family
ID=31212019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP720289U Pending JPH02101322U (ko) | 1989-01-24 | 1989-01-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02101322U (ko) |
-
1989
- 1989-01-24 JP JP720289U patent/JPH02101322U/ja active Pending
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