JPH01113825U - - Google Patents
Info
- Publication number
- JPH01113825U JPH01113825U JP735488U JP735488U JPH01113825U JP H01113825 U JPH01113825 U JP H01113825U JP 735488 U JP735488 U JP 735488U JP 735488 U JP735488 U JP 735488U JP H01113825 U JPH01113825 U JP H01113825U
- Authority
- JP
- Japan
- Prior art keywords
- light
- recording medium
- condensing lens
- pickup device
- optical pickup
- 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 5
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP735488U JPH01113825U (pt) | 1988-01-22 | 1988-01-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP735488U JPH01113825U (pt) | 1988-01-22 | 1988-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01113825U true JPH01113825U (pt) | 1989-07-31 |
Family
ID=31212296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP735488U Pending JPH01113825U (pt) | 1988-01-22 | 1988-01-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01113825U (pt) |
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1988
- 1988-01-22 JP JP735488U patent/JPH01113825U/ja active Pending