CN1203474C - 光拾取器以及使用该光拾取器的光记录/重放设备 - Google Patents

光拾取器以及使用该光拾取器的光记录/重放设备 Download PDF

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Publication number
CN1203474C
CN1203474C CNB001046934A CN00104693A CN1203474C CN 1203474 C CN1203474 C CN 1203474C CN B001046934 A CNB001046934 A CN B001046934A CN 00104693 A CN00104693 A CN 00104693A CN 1203474 C CN1203474 C CN 1203474C
Authority
CN
China
Prior art keywords
light
optical
optical recording
light sources
recording medium
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.)
Expired - Fee Related
Application number
CNB001046934A
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English (en)
Chinese (zh)
Other versions
CN1264899A (zh
Inventor
松本芳幸
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of CN1264899A publication Critical patent/CN1264899A/zh
Application granted granted Critical
Publication of CN1203474C publication Critical patent/CN1203474C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B7/135—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
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • 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
    • G11B7/1395—Beam splitters or combiners
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24047—Substrates

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
CNB001046934A 1999-01-07 2000-01-07 光拾取器以及使用该光拾取器的光记录/重放设备 Expired - Fee Related CN1203474C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11002204A JP2000207766A (ja) 1999-01-07 1999-01-07 光学ピックアップ装置およびこれを具備する光記録再生装置
JP2204/1999 1999-01-07

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CNA2005100601470A Division CN1667721A (zh) 1999-01-07 2000-01-07 光拾取器以及使用该光拾取器的光记录/重放设备

Publications (2)

Publication Number Publication Date
CN1264899A CN1264899A (zh) 2000-08-30
CN1203474C true CN1203474C (zh) 2005-05-25

Family

ID=11522837

Family Applications (3)

Application Number Title Priority Date Filing Date
CNB001046934A Expired - Fee Related CN1203474C (zh) 1999-01-07 2000-01-07 光拾取器以及使用该光拾取器的光记录/重放设备
CNA2006100944916A Pending CN101093685A (zh) 1999-01-07 2000-01-07 光拾取器以及使用该光拾取器的光记录/重放设备
CNA2005100601470A Pending CN1667721A (zh) 1999-01-07 2000-01-07 光拾取器以及使用该光拾取器的光记录/重放设备

Family Applications After (2)

Application Number Title Priority Date Filing Date
CNA2006100944916A Pending CN101093685A (zh) 1999-01-07 2000-01-07 光拾取器以及使用该光拾取器的光记录/重放设备
CNA2005100601470A Pending CN1667721A (zh) 1999-01-07 2000-01-07 光拾取器以及使用该光拾取器的光记录/重放设备

Country Status (3)

Country Link
JP (1) JP2000207766A (enExample)
KR (1) KR20000053390A (enExample)
CN (3) CN1203474C (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100437655B1 (ko) * 2001-08-16 2004-06-30 (주)해빛정보 단일 기판 집적 광 디스크 픽업 장치
JP4822037B2 (ja) * 2001-08-24 2011-11-24 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の対物レンズ及び光ピックアップ装置
KR100438701B1 (ko) * 2001-09-17 2004-07-05 삼성전자주식회사 호환형 광픽업 및 그 광축을 맞추기 위한 조정방법
KR20030067165A (ko) * 2002-02-07 2003-08-14 삼성전기주식회사 광 픽업장치
KR100472443B1 (ko) 2002-03-19 2005-02-21 삼성전자주식회사 광픽업 장치
KR100477680B1 (ko) * 2002-11-12 2005-03-21 삼성전자주식회사 광픽업장치
KR100477679B1 (ko) * 2002-11-12 2005-03-21 삼성전자주식회사 광픽업장치
CN100407313C (zh) * 2003-04-25 2008-07-30 宾得株式会社 光学拾波器的光学系统
JP2006012303A (ja) 2004-06-25 2006-01-12 Funai Electric Co Ltd 光ピックアップ
JP2013020689A (ja) 2011-06-16 2013-01-31 Sony Corp 光記録媒体駆動装置、トラッキングエラー信号生成方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09265656A (ja) * 1996-03-28 1997-10-07 Victor Co Of Japan Ltd 光ピックアップ
JP3244442B2 (ja) * 1996-08-30 2002-01-07 三洋電機株式会社 光再生装置
JPH11149657A (ja) * 1997-11-14 1999-06-02 Sony Corp 情報記録再生装置および方法、並びに光学ピックアップ

Also Published As

Publication number Publication date
JP2000207766A (ja) 2000-07-28
CN1264899A (zh) 2000-08-30
KR20000053390A (ko) 2000-08-25
CN101093685A (zh) 2007-12-26
CN1667721A (zh) 2005-09-14

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