JPS6120659Y2 - - Google Patents
Info
- Publication number
- JPS6120659Y2 JPS6120659Y2 JP17375980U JP17375980U JPS6120659Y2 JP S6120659 Y2 JPS6120659 Y2 JP S6120659Y2 JP 17375980 U JP17375980 U JP 17375980U JP 17375980 U JP17375980 U JP 17375980U JP S6120659 Y2 JPS6120659 Y2 JP S6120659Y2
- Authority
- JP
- Japan
- Prior art keywords
- optical
- focus
- switching mirror
- disk
- light
- 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 30
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17375980U JPS6120659Y2 (ko) | 1980-12-05 | 1980-12-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17375980U JPS6120659Y2 (ko) | 1980-12-05 | 1980-12-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5798546U JPS5798546U (ko) | 1982-06-17 |
| JPS6120659Y2 true JPS6120659Y2 (ko) | 1986-06-21 |
Family
ID=29965632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17375980U Expired JPS6120659Y2 (ko) | 1980-12-05 | 1980-12-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6120659Y2 (ko) |
-
1980
- 1980-12-05 JP JP17375980U patent/JPS6120659Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5798546U (ko) | 1982-06-17 |
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