CN1763854A - 光信息再现装置 - Google Patents

光信息再现装置 Download PDF

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Publication number
CN1763854A
CN1763854A CNA2005100077837A CN200510007783A CN1763854A CN 1763854 A CN1763854 A CN 1763854A CN A2005100077837 A CNA2005100077837 A CN A2005100077837A CN 200510007783 A CN200510007783 A CN 200510007783A CN 1763854 A CN1763854 A CN 1763854A
Authority
CN
China
Prior art keywords
signal
light
amplifier
signal detection
detection unit
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
CNA2005100077837A
Other languages
English (en)
Chinese (zh)
Inventor
一色史雄
渡边康一
岛田坚一
黑川贵弘
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
Publication of CN1763854A publication Critical patent/CN1763854A/zh
Pending legal-status Critical Current

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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)
CNA2005100077837A 2004-10-18 2005-02-17 光信息再现装置 Pending CN1763854A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004302367A JP2006114165A (ja) 2004-10-18 2004-10-18 光情報再生装置
JP2004302367 2004-10-18

Publications (1)

Publication Number Publication Date
CN1763854A true CN1763854A (zh) 2006-04-26

Family

ID=36180634

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2005100077837A Pending CN1763854A (zh) 2004-10-18 2005-02-17 光信息再现装置

Country Status (3)

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

Families Citing this family (12)

* 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
JP4902337B2 (ja) * 2006-12-20 2012-03-21 株式会社日立メディアエレクトロニクス 光ピックアップおよび光学情報再生装置
WO2008105265A1 (ja) * 2007-02-26 2008-09-04 Mitsubishi Electric Corporation 回折光学素子及び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
JP5542459B2 (ja) * 2010-01-25 2014-07-09 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及びそれを用いた光ディスク装置
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
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

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

Also Published As

Publication number Publication date
JP2006114165A (ja) 2006-04-27
US20060083146A1 (en) 2006-04-20

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PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Open date: 20060426