JPH0519856Y2 - - Google Patents
Info
- Publication number
- JPH0519856Y2 JPH0519856Y2 JP1985113342U JP11334285U JPH0519856Y2 JP H0519856 Y2 JPH0519856 Y2 JP H0519856Y2 JP 1985113342 U JP1985113342 U JP 1985113342U JP 11334285 U JP11334285 U JP 11334285U JP H0519856 Y2 JPH0519856 Y2 JP H0519856Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- disk
- light receiving
- receiving element
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 28
- 238000012544 monitoring process Methods 0.000 claims description 3
- 201000009310 astigmatism Diseases 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000004075 alteration Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985113342U JPH0519856Y2 (US08063081-20111122-C00044.png) | 1985-07-23 | 1985-07-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985113342U JPH0519856Y2 (US08063081-20111122-C00044.png) | 1985-07-23 | 1985-07-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6222726U JPS6222726U (US08063081-20111122-C00044.png) | 1987-02-12 |
| JPH0519856Y2 true JPH0519856Y2 (US08063081-20111122-C00044.png) | 1993-05-25 |
Family
ID=30995057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985113342U Expired - Lifetime JPH0519856Y2 (US08063081-20111122-C00044.png) | 1985-07-23 | 1985-07-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0519856Y2 (US08063081-20111122-C00044.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0782657B2 (ja) * | 1988-08-04 | 1995-09-06 | 三菱電機株式会社 | 光学式ヘッド装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58108037A (ja) * | 1981-12-18 | 1983-06-28 | Mitsubishi Electric Corp | 光ピツクアツプ |
-
1985
- 1985-07-23 JP JP1985113342U patent/JPH0519856Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58108037A (ja) * | 1981-12-18 | 1983-06-28 | Mitsubishi Electric Corp | 光ピツクアツプ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6222726U (US08063081-20111122-C00044.png) | 1987-02-12 |
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