JPS6213233Y2 - - Google Patents
Info
- Publication number
- JPS6213233Y2 JPS6213233Y2 JP8689581U JP8689581U JPS6213233Y2 JP S6213233 Y2 JPS6213233 Y2 JP S6213233Y2 JP 8689581 U JP8689581 U JP 8689581U JP 8689581 U JP8689581 U JP 8689581U JP S6213233 Y2 JPS6213233 Y2 JP S6213233Y2
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- motor
- disk
- recording surface
- signal recording
- 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
- 238000013459 approach Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 description 21
- 230000004323 axial length Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8689581U JPS6213233Y2 (en]) | 1981-06-12 | 1981-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8689581U JPS6213233Y2 (en]) | 1981-06-12 | 1981-06-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57198732U JPS57198732U (en]) | 1982-12-17 |
| JPS6213233Y2 true JPS6213233Y2 (en]) | 1987-04-06 |
Family
ID=29882107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8689581U Expired JPS6213233Y2 (en]) | 1981-06-12 | 1981-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6213233Y2 (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61182641A (ja) * | 1985-02-07 | 1986-08-15 | Matsushita Electric Ind Co Ltd | 対物レンズ支持装置 |
-
1981
- 1981-06-12 JP JP8689581U patent/JPS6213233Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57198732U (en]) | 1982-12-17 |
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