JP2003151162A5 - - Google Patents

Download PDF

Info

Publication number
JP2003151162A5
JP2003151162A5 JP2002331530A JP2002331530A JP2003151162A5 JP 2003151162 A5 JP2003151162 A5 JP 2003151162A5 JP 2002331530 A JP2002331530 A JP 2002331530A JP 2002331530 A JP2002331530 A JP 2002331530A JP 2003151162 A5 JP2003151162 A5 JP 2003151162A5
Authority
JP
Japan
Prior art keywords
light
signal
optical information
order
order light
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
Application number
JP2002331530A
Other languages
English (en)
Japanese (ja)
Other versions
JP2003151162A (ja
JP3903001B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2002331530A priority Critical patent/JP3903001B2/ja
Priority claimed from JP2002331530A external-priority patent/JP3903001B2/ja
Publication of JP2003151162A publication Critical patent/JP2003151162A/ja
Publication of JP2003151162A5 publication Critical patent/JP2003151162A5/ja
Application granted granted Critical
Publication of JP3903001B2 publication Critical patent/JP3903001B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP2002331530A 1998-07-03 2002-11-15 光検出器および光学的情報再生装置 Expired - Lifetime JP3903001B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002331530A JP3903001B2 (ja) 1998-07-03 2002-11-15 光検出器および光学的情報再生装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10-188509 1998-07-03
JP18850998 1998-07-03
JP2002331530A JP3903001B2 (ja) 1998-07-03 2002-11-15 光検出器および光学的情報再生装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP17184499A Division JP3463003B2 (ja) 1998-07-03 1999-06-18 光検出器および光学ヘッド

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2006312360A Division JP2007042282A (ja) 1998-07-03 2006-11-20 光検出器および光ピックアップ

Publications (3)

Publication Number Publication Date
JP2003151162A JP2003151162A (ja) 2003-05-23
JP2003151162A5 true JP2003151162A5 (ko) 2004-07-29
JP3903001B2 JP3903001B2 (ja) 2007-04-11

Family

ID=26504973

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002331530A Expired - Lifetime JP3903001B2 (ja) 1998-07-03 2002-11-15 光検出器および光学的情報再生装置

Country Status (1)

Country Link
JP (1) JP3903001B2 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006120243A (ja) 2004-10-21 2006-05-11 Tdk Corp 光ヘッドの焦点ズレ誤差信号検出方法及びそれを用いた光記録再生装置

Similar Documents

Publication Publication Date Title
JP4151313B2 (ja) 光再生装置
JP3799318B2 (ja) 光ピックアップおよびそれを用いた光学的情報記録装置または再生装置
JP4645410B2 (ja) 光ピックアップ及び光ディスク装置
KR100524959B1 (ko) 광픽업 및 광 기록 및/또는 재생 기기 및 호환 트랙킹구현 방법
US7116612B2 (en) Optical pickup device driven by an error signal obtained from an optical detector's output signals
WO2004097815A1 (ja) 光ヘッド装置及び光学式情報記録再生装置
KR100408401B1 (ko) 광 기록/재생기기 및 트랙킹 에러신호 검출방법
JP4444977B2 (ja) 光ピックアップ装置
JP4106072B1 (ja) 光ピックアップ装置
JP3463003B2 (ja) 光検出器および光学ヘッド
JP3630638B2 (ja) 光ピックアップ用シーク方向検出信号の生成装置
KR100694097B1 (ko) 광픽업 및 이를 사용하는 광 기록 및/또는 재생기기 및트랙킹 에러신호 검출방법
JP2003151162A5 (ko)
JP4251524B2 (ja) 光ピックアップ装置
JP2007520833A (ja) ２波長レーザダイオード使用のための光検出器
JPH07320287A (ja) 光ピックアップ装置
JP4268971B2 (ja) 光ピックアップ
JP2003178482A5 (ko)
JP2005276358A (ja) 光ピックアップ装置
JP2008176905A (ja) 光ピックアップ装置
JP2004178771A (ja) サーボ装置並びに光ディスク情報記録再生装置
JP4384248B2 (ja) 光ピックアップおよびそれを用いた光学的情報記録装置または再生装置
KR100624864B1 (ko) 광 픽업 및 광 픽업의 구면수차 검출방법
JP2006216233A (ja) 光ピックアップおよびそれを用いた光学的情報記録装置または再生装置
JP2006268974A (ja) 光半導体装置