JPS6431514U - - Google Patents
Info
- Publication number
- JPS6431514U JPS6431514U JP12508587U JP12508587U JPS6431514U JP S6431514 U JPS6431514 U JP S6431514U JP 12508587 U JP12508587 U JP 12508587U JP 12508587 U JP12508587 U JP 12508587U JP S6431514 U JPS6431514 U JP S6431514U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- magneto
- integrated
- optical system
- light source
- 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
- 230000010287 polarization Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000007493 shaping process Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Optical Head (AREA)
- Mechanical Optical Scanning Systems (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12508587U JPS6431514U (ko) | 1987-08-17 | 1987-08-17 | |
| US07/232,321 US5060212A (en) | 1987-08-17 | 1988-08-15 | Integrated optical pick-up device |
| US07/757,644 US5097462A (en) | 1987-08-17 | 1991-09-11 | Integrated optical pick-up device |
| US07/757,717 US5107477A (en) | 1987-08-17 | 1991-09-11 | Integrated optical pick-up device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12508587U JPS6431514U (ko) | 1987-08-17 | 1987-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6431514U true JPS6431514U (ko) | 1989-02-27 |
Family
ID=31375375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12508587U Pending JPS6431514U (ko) | 1987-08-17 | 1987-08-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6431514U (ko) |
-
1987
- 1987-08-17 JP JP12508587U patent/JPS6431514U/ja active Pending