JPH0352818U - - Google Patents
Info
- Publication number
- JPH0352818U JPH0352818U JP11158489U JP11158489U JPH0352818U JP H0352818 U JPH0352818 U JP H0352818U JP 11158489 U JP11158489 U JP 11158489U JP 11158489 U JP11158489 U JP 11158489U JP H0352818 U JPH0352818 U JP H0352818U
- Authority
- JP
- Japan
- Prior art keywords
- pick
- amplifier
- focus error
- pickup device
- optical pickup
- 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 description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989111584U JP2541756Y2 (ja) | 1989-09-22 | 1989-09-22 | 光ピックアップ装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989111584U JP2541756Y2 (ja) | 1989-09-22 | 1989-09-22 | 光ピックアップ装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0352818U true JPH0352818U (OSRAM) | 1991-05-22 |
| JP2541756Y2 JP2541756Y2 (ja) | 1997-07-16 |
Family
ID=31660054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989111584U Expired - Lifetime JP2541756Y2 (ja) | 1989-09-22 | 1989-09-22 | 光ピックアップ装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2541756Y2 (OSRAM) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5977638A (ja) * | 1982-10-26 | 1984-05-04 | Nippon Gakki Seizo Kk | 光学式デイスク再生装置におけるフオ−カスサ−ボ制御装置 |
-
1989
- 1989-09-22 JP JP1989111584U patent/JP2541756Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5977638A (ja) * | 1982-10-26 | 1984-05-04 | Nippon Gakki Seizo Kk | 光学式デイスク再生装置におけるフオ−カスサ−ボ制御装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2541756Y2 (ja) | 1997-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |