JPH0555933B2 - - Google Patents
Info
- Publication number
- JPH0555933B2 JPH0555933B2 JP60074622A JP7462285A JPH0555933B2 JP H0555933 B2 JPH0555933 B2 JP H0555933B2 JP 60074622 A JP60074622 A JP 60074622A JP 7462285 A JP7462285 A JP 7462285A JP H0555933 B2 JPH0555933 B2 JP H0555933B2
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- output signal
- signal
- gain
- 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.)
- Expired - Lifetime
Links
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60074622A JPS61233431A (ja) | 1985-04-09 | 1985-04-09 | サ−ボゲイン制御装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60074622A JPS61233431A (ja) | 1985-04-09 | 1985-04-09 | サ−ボゲイン制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61233431A JPS61233431A (ja) | 1986-10-17 |
| JPH0555933B2 true JPH0555933B2 (OSRAM) | 1993-08-18 |
Family
ID=13552465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60074622A Granted JPS61233431A (ja) | 1985-04-09 | 1985-04-09 | サ−ボゲイン制御装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61233431A (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2689442B2 (ja) * | 1987-09-22 | 1997-12-10 | 松下電器産業株式会社 | ループゲイン制御装置 |
| JPH03263620A (ja) * | 1990-03-13 | 1991-11-25 | Pioneer Electron Corp | ディスクプレーヤのサーボ装置 |
-
1985
- 1985-04-09 JP JP60074622A patent/JPS61233431A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61233431A (ja) | 1986-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2548106B2 (ja) | 光学式デイスクプレ−ヤのトラツキング・サ−ボコントロ−ル装置 | |
| JP2565485B2 (ja) | 光学的記録再生装置 | |
| US4769801A (en) | Focus servo control device for optical disks having servo offset error elimination | |
| KR910005313B1 (ko) | 광학디스크장치용 트랙서보제어장치 및 방법 | |
| JPH06282849A (ja) | 光記録媒体、光記録媒体の記録再生装置及び再生装置 | |
| JP3269309B2 (ja) | 光ディスクの制御装置 | |
| JPH0555933B2 (OSRAM) | ||
| JPH0548533B2 (OSRAM) | ||
| US5477514A (en) | Control apparatus for controlling focusing, accessing and spindle rotating circuits to operate simultaneously | |
| JPH0466054B2 (OSRAM) | ||
| JP2718052B2 (ja) | トラッキングサーボのゲイン調整装置 | |
| JP2718053B2 (ja) | フォーカスサーボのゲイン調整装置 | |
| JP2672944B2 (ja) | 包絡線検出回路 | |
| JPH0423226A (ja) | 光ヘッド制御装置 | |
| JP2548110B2 (ja) | 焦点位置制御装置 | |
| JP3775805B2 (ja) | 情報トラック検索装置 | |
| JP2768540B2 (ja) | トラッキングサーボ装置 | |
| JPS61214233A (ja) | サ−ボゲイン制御装置 | |
| JPH0253869B2 (OSRAM) | ||
| JP2865183B2 (ja) | ディスク情報記録再生装置 | |
| JPH04345925A (ja) | 光ディスク装置 | |
| JPS60229242A (ja) | トラツキング制御回路 | |
| JPH11120577A (ja) | 光ディスク装置 | |
| JPH0548531B2 (OSRAM) | ||
| JPS61156541A (ja) | 光情報記録再生装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |