JPH03121512U - - Google Patents
Info
- Publication number
- JPH03121512U JPH03121512U JP2752590U JP2752590U JPH03121512U JP H03121512 U JPH03121512 U JP H03121512U JP 2752590 U JP2752590 U JP 2752590U JP 2752590 U JP2752590 U JP 2752590U JP H03121512 U JPH03121512 U JP H03121512U
- Authority
- JP
- Japan
- Prior art keywords
- light
- objective lens
- optical
- lens
- photodetector
- 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
- 230000003287 optical effect Effects 0.000 claims 6
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990027525U JPH079208Y2 (ja) | 1990-03-17 | 1990-03-17 | 光ピックアップの対物レンズ位置検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990027525U JPH079208Y2 (ja) | 1990-03-17 | 1990-03-17 | 光ピックアップの対物レンズ位置検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03121512U true JPH03121512U (fr) | 1991-12-12 |
| JPH079208Y2 JPH079208Y2 (ja) | 1995-03-06 |
Family
ID=31530370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990027525U Expired - Lifetime JPH079208Y2 (ja) | 1990-03-17 | 1990-03-17 | 光ピックアップの対物レンズ位置検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH079208Y2 (fr) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61217941A (ja) * | 1985-03-22 | 1986-09-27 | Matsushita Electric Ind Co Ltd | 光学ヘツド位置検出装置 |
-
1990
- 1990-03-17 JP JP1990027525U patent/JPH079208Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61217941A (ja) * | 1985-03-22 | 1986-09-27 | Matsushita Electric Ind Co Ltd | 光学ヘツド位置検出装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH079208Y2 (ja) | 1995-03-06 |