JPH0614255Y2 - 光デイスク装置 - Google Patents
光デイスク装置Info
- Publication number
- JPH0614255Y2 JPH0614255Y2 JP1985080243U JP8024385U JPH0614255Y2 JP H0614255 Y2 JPH0614255 Y2 JP H0614255Y2 JP 1985080243 U JP1985080243 U JP 1985080243U JP 8024385 U JP8024385 U JP 8024385U JP H0614255 Y2 JPH0614255 Y2 JP H0614255Y2
- Authority
- JP
- Japan
- Prior art keywords
- track
- signal
- divided
- detector
- error signal
- 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 title claims description 24
- 238000001514 detection method Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 2
- 201000009310 astigmatism Diseases 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985080243U JPH0614255Y2 (ja) | 1985-05-29 | 1985-05-29 | 光デイスク装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985080243U JPH0614255Y2 (ja) | 1985-05-29 | 1985-05-29 | 光デイスク装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61195523U JPS61195523U (enExample) | 1986-12-05 |
| JPH0614255Y2 true JPH0614255Y2 (ja) | 1994-04-13 |
Family
ID=30625911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985080243U Expired - Lifetime JPH0614255Y2 (ja) | 1985-05-29 | 1985-05-29 | 光デイスク装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0614255Y2 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002019325A1 (en) * | 2000-08-28 | 2002-03-07 | Matsushita Electric Industrial Co., Ltd. | Method and device for detecting positional deviation of lens in optical disk unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0644352B2 (ja) * | 1982-03-31 | 1994-06-08 | 株式会社日立製作所 | 光スポット制御装置 |
-
1985
- 1985-05-29 JP JP1985080243U patent/JPH0614255Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61195523U (enExample) | 1986-12-05 |
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