JP2002183987A5 - - Google Patents

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Publication number
JP2002183987A5
JP2002183987A5 JP2000373114A JP2000373114A JP2002183987A5 JP 2002183987 A5 JP2002183987 A5 JP 2002183987A5 JP 2000373114 A JP2000373114 A JP 2000373114A JP 2000373114 A JP2000373114 A JP 2000373114A JP 2002183987 A5 JP2002183987 A5 JP 2002183987A5
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JP
Japan
Prior art keywords
light
optical information
medium layer
information medium
optical disc
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
JP2000373114A
Other languages
English (en)
Japanese (ja)
Other versions
JP3805194B2 (ja
JP2002183987A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2000373114A priority Critical patent/JP3805194B2/ja
Priority claimed from JP2000373114A external-priority patent/JP3805194B2/ja
Priority to US09/925,311 priority patent/US6563099B2/en
Publication of JP2002183987A publication Critical patent/JP2002183987A/ja
Publication of JP2002183987A5 publication Critical patent/JP2002183987A5/ja
Application granted granted Critical
Publication of JP3805194B2 publication Critical patent/JP3805194B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2000373114A 2000-12-07 2000-12-07 光学情報再生装置 Expired - Fee Related JP3805194B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000373114A JP3805194B2 (ja) 2000-12-07 2000-12-07 光学情報再生装置
US09/925,311 US6563099B2 (en) 2000-12-07 2001-08-10 Optical information recording/reproducing apparatus, and optical head apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000373114A JP3805194B2 (ja) 2000-12-07 2000-12-07 光学情報再生装置

Publications (3)

Publication Number Publication Date
JP2002183987A JP2002183987A (ja) 2002-06-28
JP2002183987A5 true JP2002183987A5 (US07709020-20100504-C00041.png) 2005-03-17
JP3805194B2 JP3805194B2 (ja) 2006-08-02

Family

ID=18842555

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000373114A Expired - Fee Related JP3805194B2 (ja) 2000-12-07 2000-12-07 光学情報再生装置

Country Status (2)

Country Link
US (1) US6563099B2 (US07709020-20100504-C00041.png)
JP (1) JP3805194B2 (US07709020-20100504-C00041.png)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4465838B2 (ja) * 2000-09-01 2010-05-26 コニカミノルタホールディングス株式会社 光ピックアップ装置及び対物レンズ
US20060072387A1 (en) * 2002-05-30 2006-04-06 Koninklijke Philips Electroncis N.V. Small optical disk drive
JP2004281026A (ja) * 2002-08-23 2004-10-07 Matsushita Electric Ind Co Ltd 光ピックアップヘッド装置及び光情報装置及び光情報再生方法
JP4156484B2 (ja) * 2003-09-30 2008-09-24 シャープ株式会社 光ピックアップ
JP4557281B2 (ja) * 2004-02-16 2010-10-06 株式会社リコー 光ピックアップ装置及び光ディスク装置
JP2006018877A (ja) * 2004-06-30 2006-01-19 Toshiba Corp 光ディスク装置
JP2006018873A (ja) * 2004-06-30 2006-01-19 Toshiba Corp 光ディスク装置
KR100565797B1 (ko) * 2004-09-20 2006-03-29 삼성전자주식회사 멀티 기록/재생용 광픽업장치
JP2006172600A (ja) * 2004-12-15 2006-06-29 Hitachi Ltd ３次元情報記録方法及び再生方法
KR100803992B1 (ko) 2005-03-02 2008-02-18 가부시키가이샤 리코 광학계, 광 픽업 장치 및 광 디스크 장치
US20080310283A1 (en) * 2005-07-13 2008-12-18 Arima Devices Corporation Method of Reading Out Information from a Multiple Layer Optical Recording Medium and Optical Readout Device
JP5056416B2 (ja) * 2005-08-18 2012-10-24 日本電気株式会社 光ヘッド装置及び光学式情報記録再生装置
JP2009110556A (ja) 2006-02-14 2009-05-21 Panasonic Corp 光学ヘッドおよび光情報処理装置
EP2006850A4 (en) * 2006-03-30 2009-05-06 Pioneer Corp OPTICAL READER AND INFORMATION DEVICE
JP5118551B2 (ja) * 2008-05-14 2013-01-16 日立コンピュータ機器株式会社 レーザ照射装置及びオートフォーカス制御方法
JP5070140B2 (ja) * 2008-06-13 2012-11-07 株式会社日立メディアエレクトロニクス 光ピックアップ装置
KR20170062743A (ko) * 2015-11-30 2017-06-08 전자부품연구원 가변초점 광학소자를 이용한 레이저 광원 셔터 시스템

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH083910B2 (ja) * 1989-01-13 1996-01-17 シャープ株式会社 光ピックアップ装置
WO1997034297A1 (fr) * 1996-03-11 1997-09-18 Seiko Epson Corporation Tete de lecture optique et appareil d'enregistrement optique
JP3697875B2 (ja) * 1997-12-25 2005-09-21 ソニー株式会社 光学ピックアップ及び光ディスク装置

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