JPS6017061Y2 - 光学式デイスク再生装置のフオ−カス制御回路 - Google Patents
光学式デイスク再生装置のフオ−カス制御回路Info
- Publication number
- JPS6017061Y2 JPS6017061Y2 JP4415078U JP4415078U JPS6017061Y2 JP S6017061 Y2 JPS6017061 Y2 JP S6017061Y2 JP 4415078 U JP4415078 U JP 4415078U JP 4415078 U JP4415078 U JP 4415078U JP S6017061 Y2 JPS6017061 Y2 JP S6017061Y2
- Authority
- JP
- Japan
- Prior art keywords
- disk
- focus
- photoelectric conversion
- conversion element
- optical disc
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4415078U JPS6017061Y2 (ja) | 1978-04-04 | 1978-04-04 | 光学式デイスク再生装置のフオ−カス制御回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4415078U JPS6017061Y2 (ja) | 1978-04-04 | 1978-04-04 | 光学式デイスク再生装置のフオ−カス制御回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54147208U JPS54147208U (enExample) | 1979-10-13 |
| JPS6017061Y2 true JPS6017061Y2 (ja) | 1985-05-27 |
Family
ID=28919912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4415078U Expired JPS6017061Y2 (ja) | 1978-04-04 | 1978-04-04 | 光学式デイスク再生装置のフオ−カス制御回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6017061Y2 (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5938936A (ja) * | 1982-08-28 | 1984-03-03 | Sony Corp | 情報再生装置のサ−ボコントロ−ル回路 |
-
1978
- 1978-04-04 JP JP4415078U patent/JPS6017061Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS54147208U (enExample) | 1979-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4426693A (en) | Light source intensity control in an optical recording and reproducing apparatus | |
| JP2911449B2 (ja) | 光学式情報読取装置 | |
| US4512004A (en) | Apparatus for optically reproducing an information signal recorded on a record disc | |
| JPH08147699A (ja) | 情報記録再生装置 | |
| JPS5931129B2 (ja) | 光学的再生装置 | |
| JPS6017061Y2 (ja) | 光学式デイスク再生装置のフオ−カス制御回路 | |
| JPS6313264B2 (enExample) | ||
| JP3112087B2 (ja) | 光磁気記録および/または再生装置 | |
| JPS5935874Y2 (ja) | 光学式再生装置 | |
| JP2807080B2 (ja) | 光学式走査装置 | |
| JPH0887770A (ja) | 光学式情報再生装置及び方法 | |
| JPS6233652B2 (enExample) | ||
| JPS5920170B2 (ja) | 情報再生装置 | |
| US4775965A (en) | Optical system for recording, reproducing, and/or erasing information | |
| JPS6019569B2 (ja) | 光学式再生装置 | |
| JPS6118811B2 (enExample) | ||
| JPS6233648B2 (enExample) | ||
| JPS6132732B2 (enExample) | ||
| JP2607070B2 (ja) | 情報記録再生装置 | |
| JPH0452536B2 (enExample) | ||
| JPS5853033A (ja) | 光学式記録情報再生装置 | |
| JPS6049976B2 (ja) | 光学情報記録再生装置 | |
| JPS6231039A (ja) | 光学式記録再生装置の光軸制御装置 | |
| JP2771287B2 (ja) | トラッキング方法および光ディスク装置 | |
| JP4520906B2 (ja) | タンジェンシャルチルト検出装置および光ディスク装置 |