JPH0348728Y2 - - Google Patents
Info
- Publication number
- JPH0348728Y2 JPH0348728Y2 JP6089184U JP6089184U JPH0348728Y2 JP H0348728 Y2 JPH0348728 Y2 JP H0348728Y2 JP 6089184 U JP6089184 U JP 6089184U JP 6089184 U JP6089184 U JP 6089184U JP H0348728 Y2 JPH0348728 Y2 JP H0348728Y2
- Authority
- JP
- Japan
- Prior art keywords
- disk
- objective lens
- optical
- tilt
- focus error
- 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 53
- 238000001514 detection method Methods 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000003068 static effect Effects 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6089184U JPS60173128U (ja) | 1984-04-25 | 1984-04-25 | 光学式記録デイスクの再生装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6089184U JPS60173128U (ja) | 1984-04-25 | 1984-04-25 | 光学式記録デイスクの再生装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60173128U JPS60173128U (ja) | 1985-11-16 |
| JPH0348728Y2 true JPH0348728Y2 (nl) | 1991-10-17 |
Family
ID=30588654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6089184U Granted JPS60173128U (ja) | 1984-04-25 | 1984-04-25 | 光学式記録デイスクの再生装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60173128U (nl) |
-
1984
- 1984-04-25 JP JP6089184U patent/JPS60173128U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60173128U (ja) | 1985-11-16 |
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