JP2006114165A - 光情報再生装置 - Google Patents

光情報再生装置 Download PDF

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Publication number
JP2006114165A
JP2006114165A JP2004302367A JP2004302367A JP2006114165A JP 2006114165 A JP2006114165 A JP 2006114165A JP 2004302367 A JP2004302367 A JP 2004302367A JP 2004302367 A JP2004302367 A JP 2004302367A JP 2006114165 A JP2006114165 A JP 2006114165A
Authority
JP
Japan
Prior art keywords
signal
light
amplifier
detection unit
reproducing apparatus
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
JP2004302367A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006114165A5 (enExample
Inventor
Fumio Isshiki
史雄 一色
Koichi Watanabe
康一 渡辺
Kenichi Shimada
堅一 嶋田
Takahiro Kurokawa
貴弘 黒川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Consumer Electronics Co Ltd
Original Assignee
Hitachi Media Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Media Electronics Co Ltd filed Critical Hitachi Media Electronics Co Ltd
Priority to JP2004302367A priority Critical patent/JP2006114165A/ja
Priority to US11/059,683 priority patent/US20060083146A1/en
Priority to CNA2005100077837A priority patent/CN1763854A/zh
Publication of JP2006114165A publication Critical patent/JP2006114165A/ja
Publication of JP2006114165A5 publication Critical patent/JP2006114165A5/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13—Optical detectors therefor
    • G11B7/131—Arrangement of detectors in a multiple array
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127—Lasers; Multiple laser arrays
    • G11B7/1275—Two or more lasers having different wavelengths
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2004302367A 2004-10-18 2004-10-18 光情報再生装置 Pending JP2006114165A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2004302367A JP2006114165A (ja) 2004-10-18 2004-10-18 光情報再生装置
US11/059,683 US20060083146A1 (en) 2004-10-18 2005-02-17 Information reproduction apparatus
CNA2005100077837A CN1763854A (zh) 2004-10-18 2005-02-17 光信息再现装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004302367A JP2006114165A (ja) 2004-10-18 2004-10-18 光情報再生装置

Publications (2)

Publication Number Publication Date
JP2006114165A true JP2006114165A (ja) 2006-04-27
JP2006114165A5 JP2006114165A5 (enExample) 2007-06-07

Family

ID=36180634

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004302367A Pending JP2006114165A (ja) 2004-10-18 2004-10-18 光情報再生装置

Country Status (3)

Country Link
US (1) US20060083146A1 (enExample)
JP (1) JP2006114165A (enExample)
CN (1) CN1763854A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011150765A (ja) * 2010-01-25 2011-08-04 Hitachi Media Electoronics Co Ltd 光ピックアップ装置及びそれを用いた光ディスク装置
US8031565B2 (en) 2006-12-20 2011-10-04 Hitachi Media Electronics Co., Ltd. Optical pickup and optical information reproduction system
JP2012059358A (ja) * 2011-11-14 2012-03-22 Hitachi Media Electoronics Co Ltd 光ピックアップおよび光学情報再生装置
JP4990351B2 (ja) * 2007-02-26 2012-08-01 三菱電機株式会社 光ピックアップ装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006244538A (ja) * 2005-02-28 2006-09-14 Toshiba Corp 光ヘッド装置及び光ディスク装置
KR100621376B1 (ko) * 2005-05-11 2006-09-15 삼성전자주식회사 모니터링용 광검출장치 및 이를 적용한 광픽업장치
JP2007073147A (ja) * 2005-09-08 2007-03-22 Hitachi Ltd 光ディスク装置及びそれに用いられる集積回路
US7801004B2 (en) * 2005-10-31 2010-09-21 Hewlett-Packard Development Company, L.P. Method of error correction for a series of marks on an optical disc
TWI325588B (en) * 2006-09-07 2010-06-01 Lite On It Corp Hologram optical storage system
JP2008146741A (ja) * 2006-12-08 2008-06-26 Matsushita Electric Ind Co Ltd 光ピックアップ装置
JP2010015628A (ja) * 2008-07-02 2010-01-21 Nec Electronics Corp 光ディスク装置及び受光ｉｃ
JP2011181118A (ja) * 2010-02-26 2011-09-15 Hitachi Media Electoronics Co Ltd 光ピックアップ装置および光ディスク装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4866691A (en) * 1987-03-13 1989-09-12 Pioneer Electronic Corporation AC amplifying RF signal processing circuit for optical disk player
JP3157873B2 (ja) * 1991-11-15 2001-04-16 パイオニア株式会社 光ピックアップ装置における焦点制御装置
JP3396890B2 (ja) * 1992-02-21 2003-04-14 松下電器産業株式会社 ホログラム、これを用いた光ヘッド装置及び光学系
DE69424204T2 (de) * 1993-02-16 2000-09-07 Nec Corp., Tokio/Tokyo Optischer Abtasthopf und doppelbrechender Beugungsgitterpolarisator sowie Hologrammpolarisator dafür.
US5757751A (en) * 1996-01-16 1998-05-26 International Business Machines Corporation Baseline correction circuit for pulse width modulated data readback systems
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
JPH11306579A (ja) * 1998-04-15 1999-11-05 Sony Corp ビームスプリッタ及び光ピックアップ装置
JP3984426B2 (ja) * 2001-03-13 2007-10-03 パイオニア株式会社 情報再生装置、信号処理装置、情報再生方法および光学式記録媒体
KR100499007B1 (ko) * 2002-12-30 2005-07-01 삼성전기주식회사 홀로그램 광학소자를 이용한 광 픽업장치 및 홀로그램패턴형성방법
JP2005310310A (ja) * 2004-04-23 2005-11-04 Sanyo Electric Co Ltd トラッキングバランス調整装置
JP4317810B2 (ja) * 2004-11-09 2009-08-19 パナソニック株式会社 光ディスク記録再生装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8031565B2 (en) 2006-12-20 2011-10-04 Hitachi Media Electronics Co., Ltd. Optical pickup and optical information reproduction system
CN101206888B (zh) * 2006-12-20 2013-03-20 日立视听媒体股份有限公司 光拾取器以及光学信息再现装置
JP4990351B2 (ja) * 2007-02-26 2012-08-01 三菱電機株式会社 光ピックアップ装置
JP2011150765A (ja) * 2010-01-25 2011-08-04 Hitachi Media Electoronics Co Ltd 光ピックアップ装置及びそれを用いた光ディスク装置
JP2012059358A (ja) * 2011-11-14 2012-03-22 Hitachi Media Electoronics Co Ltd 光ピックアップおよび光学情報再生装置

Also Published As

Publication number Publication date
CN1763854A (zh) 2006-04-26
US20060083146A1 (en) 2006-04-20

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