JPH0166614U - - Google Patents
Info
- Publication number
- JPH0166614U JPH0166614U JP1987161090U JP16109087U JPH0166614U JP H0166614 U JPH0166614 U JP H0166614U JP 1987161090 U JP1987161090 U JP 1987161090U JP 16109087 U JP16109087 U JP 16109087U JP H0166614 U JPH0166614 U JP H0166614U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- recording medium
- information recording
- light
- optical information
- 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 10
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161090U JPH0166614U (ko) | 1987-10-21 | 1987-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161090U JPH0166614U (ko) | 1987-10-21 | 1987-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0166614U true JPH0166614U (ko) | 1989-04-28 |
Family
ID=31443732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987161090U Pending JPH0166614U (ko) | 1987-10-21 | 1987-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0166614U (ko) |
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1987
- 1987-10-21 JP JP1987161090U patent/JPH0166614U/ja active Pending