JPS6131387Y2 - - Google Patents
Info
- Publication number
- JPS6131387Y2 JPS6131387Y2 JP15715780U JP15715780U JPS6131387Y2 JP S6131387 Y2 JPS6131387 Y2 JP S6131387Y2 JP 15715780 U JP15715780 U JP 15715780U JP 15715780 U JP15715780 U JP 15715780U JP S6131387 Y2 JPS6131387 Y2 JP S6131387Y2
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical lens
- light beam
- light
- reflected light
- reflected
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 24
- 238000000926 separation method Methods 0.000 claims description 12
- 230000004907 flux Effects 0.000 claims 2
- 239000004065 semiconductor Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
Landscapes
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15715780U JPS6131387Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-10-31 | 1980-10-31 | |
| US06/292,714 US4406520A (en) | 1980-08-14 | 1981-08-13 | Beam splitter optical system of signal pickup device |
| GB8124871A GB2082344B (en) | 1980-08-14 | 1981-08-14 | Optical beam splitter prism system of signal pickup device |
| DE19813132290 DE3132290A1 (de) | 1980-08-14 | 1981-08-14 | "optisches system fuer eine signalabnehmervorrichtung" |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15715780U JPS6131387Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-10-31 | 1980-10-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5779946U JPS5779946U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-05-17 |
| JPS6131387Y2 true JPS6131387Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-09-12 |
Family
ID=29516283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15715780U Expired JPS6131387Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-08-14 | 1980-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6131387Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1980
- 1980-10-31 JP JP15715780U patent/JPS6131387Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5779946U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-05-17 |