JPS6423717U - - Google Patents
Info
- Publication number
- JPS6423717U JPS6423717U JP11548787U JP11548787U JPS6423717U JP S6423717 U JPS6423717 U JP S6423717U JP 11548787 U JP11548787 U JP 11548787U JP 11548787 U JP11548787 U JP 11548787U JP S6423717 U JPS6423717 U JP S6423717U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- view
- magnetic flux
- magnetic circuit
- position detection
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 8
- 230000004907 flux Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 2
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 |
|---|---|---|---|
| JP1987115487U JPH0614252Y2 (ja) | 1987-07-28 | 1987-07-28 | 対物レンズの位置検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987115487U JPH0614252Y2 (ja) | 1987-07-28 | 1987-07-28 | 対物レンズの位置検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6423717U true JPS6423717U (hu) | 1989-02-08 |
| JPH0614252Y2 JPH0614252Y2 (ja) | 1994-04-13 |
Family
ID=31357189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987115487U Expired - Lifetime JPH0614252Y2 (ja) | 1987-07-28 | 1987-07-28 | 対物レンズの位置検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0614252Y2 (hu) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03203033A (ja) * | 1989-12-28 | 1991-09-04 | Marantz Japan Inc | 光学式ピックアップのトラッキングに対するブレーキ回路 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59157851A (ja) * | 1983-02-24 | 1984-09-07 | Ricoh Co Ltd | 光デイスクポジシヨナ装置 |
| JPS60182522A (ja) * | 1984-03-01 | 1985-09-18 | Aiwa Co Ltd | 光学ピックアップ装置 |
-
1987
- 1987-07-28 JP JP1987115487U patent/JPH0614252Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59157851A (ja) * | 1983-02-24 | 1984-09-07 | Ricoh Co Ltd | 光デイスクポジシヨナ装置 |
| JPS60182522A (ja) * | 1984-03-01 | 1985-09-18 | Aiwa Co Ltd | 光学ピックアップ装置 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03203033A (ja) * | 1989-12-28 | 1991-09-04 | Marantz Japan Inc | 光学式ピックアップのトラッキングに対するブレーキ回路 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0614252Y2 (ja) | 1994-04-13 |