JPH0534730B2 - - Google Patents
Info
- Publication number
- JPH0534730B2 JPH0534730B2 JP938486A JP938486A JPH0534730B2 JP H0534730 B2 JPH0534730 B2 JP H0534730B2 JP 938486 A JP938486 A JP 938486A JP 938486 A JP938486 A JP 938486A JP H0534730 B2 JPH0534730 B2 JP H0534730B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- optical system
- light
- circuit
- level
- 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
- 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 |
|---|---|---|---|
| JP938486A JPS62167625A (ja) | 1986-01-20 | 1986-01-20 | 調整装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP938486A JPS62167625A (ja) | 1986-01-20 | 1986-01-20 | 調整装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62167625A JPS62167625A (ja) | 1987-07-24 |
| JPH0534730B2 true JPH0534730B2 (cs) | 1993-05-24 |
Family
ID=11718952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP938486A Granted JPS62167625A (ja) | 1986-01-20 | 1986-01-20 | 調整装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62167625A (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101103397A (zh) * | 2005-01-10 | 2008-01-09 | 皇家飞利浦电子股份有限公司 | 用于调整光盘拾波器的信号增益的增益调整方法与装置 |
-
1986
- 1986-01-20 JP JP938486A patent/JPS62167625A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62167625A (ja) | 1987-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0626972Y2 (ja) | 光学式ピツクアツプ装置 | |
| JPS60247831A (ja) | 自動焦点オフセツト補正方式 | |
| JPH03108128A (ja) | 光学式情報記録再生装置 | |
| US5086420A (en) | Focus control apparatus for use with an optical disk for determining whether a focused state has been obtained | |
| JPH0534730B2 (cs) | ||
| JPH0793764A (ja) | 対物レンズ位置制御方法及び装置 | |
| JP2751493B2 (ja) | 焦点制御装置 | |
| US6728171B2 (en) | Arrangements for correction of focusing light beam, and system using the same | |
| JPS59148148A (ja) | 光学式情報記録再生装置 | |
| JP2553656B2 (ja) | 焦点制御装置 | |
| JP2780445B2 (ja) | フォーカス制御装置 | |
| JPH11161976A (ja) | フォーカスエラー信号調整装置 | |
| JPH08185637A (ja) | フォーカス制御装置 | |
| JP2553651B2 (ja) | 焦点制御装置 | |
| JP4325012B2 (ja) | フォーカス制御装置及び光ディスク原盤露光装置 | |
| JPS59139148A (ja) | 情報再生装置のサ−ボ回路 | |
| JPH02246024A (ja) | 焦点位置の調整方法および焦点制御装置 | |
| JPH0296930A (ja) | 焦点制御装置 | |
| JP2615556B2 (ja) | トラツキングサーボ装置 | |
| JPH10134376A (ja) | サーボ信号処理装置及び光ディスク装置 | |
| JP2661027B2 (ja) | 光学ピツクアツプにおける送りサーボ方式 | |
| JP2003228868A (ja) | 光ヘッド装置及び光ディスク装置 | |
| JPS598144A (ja) | 光学的情報読取装置 | |
| JPH0458659B2 (cs) | ||
| JP2001067691A (ja) | 光ディスク装置およびトラッキングエラー信号の自動オフセット調整方法 |