JPH0328401Y2 - - Google Patents
Info
- Publication number
- JPH0328401Y2 JPH0328401Y2 JP1980157159U JP15715980U JPH0328401Y2 JP H0328401 Y2 JPH0328401 Y2 JP H0328401Y2 JP 1980157159 U JP1980157159 U JP 1980157159U JP 15715980 U JP15715980 U JP 15715980U JP H0328401 Y2 JPH0328401 Y2 JP H0328401Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- cylindrical
- recording medium
- beam splitter
- 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 20
- 238000000926 separation method Methods 0.000 description 13
- 230000010287 polarization Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Optical Head (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1980157159U JPH0328401Y2 (US08063081-20111122-C00044.png) | 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 |
---|---|---|---|
JP1980157159U JPH0328401Y2 (US08063081-20111122-C00044.png) | 1980-10-31 | 1980-10-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5779802U JPS5779802U (US08063081-20111122-C00044.png) | 1982-05-17 |
JPH0328401Y2 true JPH0328401Y2 (US08063081-20111122-C00044.png) | 1991-06-19 |
Family
ID=29516285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1980157159U Expired JPH0328401Y2 (US08063081-20111122-C00044.png) | 1980-08-14 | 1980-10-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0328401Y2 (US08063081-20111122-C00044.png) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5238942A (en) * | 1975-09-23 | 1977-03-25 | Nippon Shinku Kogaku Kk | Polarizer prism |
JPS5392148A (en) * | 1976-12-29 | 1978-08-12 | Ibm | Optical fiber device |
JPS5595912A (en) * | 1979-01-11 | 1980-07-21 | Pioneer Video Corp | Polarizing beam splitter |
JPS5537230B2 (US08063081-20111122-C00044.png) * | 1975-05-10 | 1980-09-26 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5537230U (US08063081-20111122-C00044.png) * | 1978-08-30 | 1980-03-10 |
-
1980
- 1980-10-31 JP JP1980157159U patent/JPH0328401Y2/ja not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5537230B2 (US08063081-20111122-C00044.png) * | 1975-05-10 | 1980-09-26 | ||
JPS5238942A (en) * | 1975-09-23 | 1977-03-25 | Nippon Shinku Kogaku Kk | Polarizer prism |
JPS5392148A (en) * | 1976-12-29 | 1978-08-12 | Ibm | Optical fiber device |
JPS5595912A (en) * | 1979-01-11 | 1980-07-21 | Pioneer Video Corp | Polarizing beam splitter |
Also Published As
Publication number | Publication date |
---|---|
JPS5779802U (US08063081-20111122-C00044.png) | 1982-05-17 |