JPS63142018U - - Google Patents
Info
- Publication number
- JPS63142018U JPS63142018U JP3490287U JP3490287U JPS63142018U JP S63142018 U JPS63142018 U JP S63142018U JP 3490287 U JP3490287 U JP 3490287U JP 3490287 U JP3490287 U JP 3490287U JP S63142018 U JPS63142018 U JP S63142018U
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- information recording
- optical system
- semiconductor laser
- 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 15
- 239000004065 semiconductor Substances 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3490287U JPS63142018U (pt) | 1987-03-10 | 1987-03-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3490287U JPS63142018U (pt) | 1987-03-10 | 1987-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63142018U true JPS63142018U (pt) | 1988-09-19 |
Family
ID=30843891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3490287U Pending JPS63142018U (pt) | 1987-03-10 | 1987-03-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63142018U (pt) |
-
1987
- 1987-03-10 JP JP3490287U patent/JPS63142018U/ja active Pending
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