JPH11273097A5 - - Google Patents

Info

Publication number
JPH11273097A5
JPH11273097A5 JP1998067493A JP6749398A JPH11273097A5 JP H11273097 A5 JPH11273097 A5 JP H11273097A5 JP 1998067493 A JP1998067493 A JP 1998067493A JP 6749398 A JP6749398 A JP 6749398A JP H11273097 A5 JPH11273097 A5 JP H11273097A5
Authority
JP
Japan
Prior art keywords
light emission
laser power
laser
output
emission power
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.)
Pending
Application number
JP1998067493A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11273097A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP10067493A priority Critical patent/JPH11273097A/ja
Priority claimed from JP10067493A external-priority patent/JPH11273097A/ja
Priority to US09/268,982 priority patent/US6392971B1/en
Publication of JPH11273097A publication Critical patent/JPH11273097A/ja
Publication of JPH11273097A5 publication Critical patent/JPH11273097A5/ja
Pending legal-status Critical Current

Links

JP10067493A 1998-03-17 1998-03-17 フォーカスサーボ回路および光ディスク記録再生装置 Pending JPH11273097A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP10067493A JPH11273097A (ja) 1998-03-17 1998-03-17 フォーカスサーボ回路および光ディスク記録再生装置
US09/268,982 US6392971B1 (en) 1998-03-17 1999-03-16 Focus control method and optical disc recording/reproducing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10067493A JPH11273097A (ja) 1998-03-17 1998-03-17 フォーカスサーボ回路および光ディスク記録再生装置

Publications (2)

Publication Number Publication Date
JPH11273097A JPH11273097A (ja) 1999-10-08
JPH11273097A5 true JPH11273097A5 (enExample) 2005-09-02

Family

ID=13346582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10067493A Pending JPH11273097A (ja) 1998-03-17 1998-03-17 フォーカスサーボ回路および光ディスク記録再生装置

Country Status (2)

Country Link
US (1) US6392971B1 (enExample)
JP (1) JPH11273097A (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3915320B2 (ja) * 1999-06-02 2007-05-16 株式会社日立製作所 情報記録装置及び情報記録方法
JP3576137B2 (ja) * 2000-12-20 2004-10-13 株式会社ソニー・コンピュータエンタテインメント 光ディスク装置、光ディスク装置のサーボ調整方法、光ディスクのサーボ調整プログラム、及び光ディスクのサーボ調整プログラムを記録したコンピュータ読み取り可能な記録媒体
US20030081518A1 (en) * 2001-10-30 2003-05-01 Nec Corporatin Recording power adjusting method and optical information record apparatus using the same
US20030147321A1 (en) * 2001-10-30 2003-08-07 Nec Corporation Recording power adjusting method and optical information record apparatus using the same
US7061834B2 (en) * 2001-11-12 2006-06-13 Matsushita Electric Industrial Co., Ltd. Optical head and disk recording and reproducing apparatus
KR20040031533A (ko) * 2002-10-07 2004-04-13 삼성전자주식회사 적응적인 포커싱 방법 및 장치
KR20040037894A (ko) * 2002-10-30 2004-05-08 삼성전자주식회사 광 기록 매체의 자동 기록 최적화 방법 및 이를 수행하는광 기록/재생 장치
JP4075069B2 (ja) * 2004-06-02 2008-04-16 船井電機株式会社 光ディスク装置
KR100617148B1 (ko) 2004-07-01 2006-08-30 엘지전자 주식회사 광 디스크 재생/기록 시스템에서의 포커스 바이어스설정방법
KR20070095327A (ko) * 2004-12-16 2007-09-28 코닌클리케 필립스 일렉트로닉스 엔.브이. 반경 방향 대 수직 방향 누화를 측정 및 최적화하는 방법
US20060233075A1 (en) * 2005-04-18 2006-10-19 Mediatek Inc. Methods of calibrating servo signal bias for optical disc
JP4676240B2 (ja) * 2005-04-25 2011-04-27 株式会社日立製作所 光ディスク装置、光ディスク装置のフォーカスオフセット及び記録パワー調整方法並びに光ディスク装置のフォーカスオフセット及び記録パワーの調整用プログラム
JP5396420B2 (ja) * 2011-03-24 2014-01-22 株式会社ソニー・コンピュータエンタテインメント 光ディスク装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5164932A (en) * 1990-09-28 1992-11-17 International Business Machines Corporation Acquiring a best focus using a focus signal offset
JPH08180429A (ja) * 1994-12-22 1996-07-12 Sharp Corp 光情報記録再生装置及び光記録媒体
JP3510015B2 (ja) * 1995-09-11 2004-03-22 株式会社日立製作所 光ディスク記録再生装置
US5715228A (en) 1995-11-24 1998-02-03 Sony Corporation Optical recording apparatus
US5898656A (en) 1996-08-29 1999-04-27 Sony Corporation Optical disc-shaped recording medium recording device and method for setting illumination power thereof

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