CN103295596B - 光拾取装置以及光盘装置 - Google Patents

光拾取装置以及光盘装置 Download PDF

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Publication number
CN103295596B
CN103295596B CN201210325551.6A CN201210325551A CN103295596B CN 103295596 B CN103295596 B CN 103295596B CN 201210325551 A CN201210325551 A CN 201210325551A CN 103295596 B CN103295596 B CN 103295596B
Authority
CN
China
Prior art keywords
light
optical
photodetector
pickup device
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.)
Expired - Fee Related
Application number
CN201210325551.6A
Other languages
English (en)
Chinese (zh)
Other versions
CN103295596A (zh
Inventor
山崎和良
富田大辅
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 CN103295596A publication Critical patent/CN103295596A/zh
Application granted granted Critical
Publication of CN103295596B publication Critical patent/CN103295596B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • 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
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • G11B7/0903—Multi-beam tracking systems
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
    • G11B7/0909—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only by astigmatic methods
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
CN201210325551.6A 2012-03-02 2012-09-05 光拾取装置以及光盘装置 Expired - Fee Related CN103295596B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-046702 2012-03-02
JP2012046702A JP6212243B2 (ja) 2012-03-02 2012-03-02 光ピックアップ装置および光ディスク装置

Publications (2)

Publication Number Publication Date
CN103295596A CN103295596A (zh) 2013-09-11
CN103295596B true CN103295596B (zh) 2016-05-18

Family

ID=49042778

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210325551.6A Expired - Fee Related CN103295596B (zh) 2012-03-02 2012-09-05 光拾取装置以及光盘装置

Country Status (3)

Country Link
US (1) US8737180B2 (enExample)
JP (1) JP6212243B2 (enExample)
CN (1) CN103295596B (enExample)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101086872A (zh) * 2006-06-09 2007-12-12 日立视听媒介电子股份有限公司 光拾取器和光盘装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4242108B2 (ja) * 2001-06-04 2009-03-18 パナソニック株式会社 光ピックアップヘッドおよび情報記録再生装置
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
JP4412085B2 (ja) * 2004-07-09 2010-02-10 ソニー株式会社 光ピックアップ装置、記録及び／又は再生装置
JP4859095B2 (ja) 2005-03-02 2012-01-18 株式会社リコー 抽出光学系、光ピックアップ装置及び光ディスク装置
JP4871631B2 (ja) * 2006-04-17 2012-02-08 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、光学的情報記録装置および光学的情報再生装置
US20070242575A1 (en) 2006-04-17 2007-10-18 Toshiteru Nakamura Optical Pickup and Optical Disc Apparatus
JP2008204517A (ja) * 2007-02-19 2008-09-04 Hitachi Media Electoronics Co Ltd 光ヘッドおよび光学的情報記録再生装置
JP2009271994A (ja) * 2008-05-07 2009-11-19 Funai Electric Co Ltd 光ピックアップ装置及び光ピックアップ装置の設計方法
JP4330656B1 (ja) * 2008-08-25 2009-09-16 Ｔｄｋ株式会社 光学ドライブ装置
US8189436B2 (en) * 2008-08-25 2012-05-29 Tdk Optical drive device and amplification rate determining method
JP4684341B2 (ja) * 2009-07-29 2011-05-18 三洋電機株式会社 光ピックアップ装置、光ディスク装置および焦点調整方法
JP2011150766A (ja) * 2010-01-25 2011-08-04 Hitachi Media Electoronics Co Ltd 光ピックアップ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101086872A (zh) * 2006-06-09 2007-12-12 日立视听媒介电子股份有限公司 光拾取器和光盘装置

Also Published As

Publication number Publication date
CN103295596A (zh) 2013-09-11
US20130229898A1 (en) 2013-09-05
JP2013182650A (ja) 2013-09-12
US8737180B2 (en) 2014-05-27
JP6212243B2 (ja) 2017-10-11

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C53 Correction of patent of invention or patent application
CB02 Change of applicant information

Address after: Kanagawa, Japan

Applicant after: HITACHI MEDIA ELECTRONICS Co.,Ltd.

Address before: Iwate County

Applicant before: HITACHI MEDIA ELECTRONICS Co.,Ltd.

C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160518

CF01 Termination of patent right due to non-payment of annual fee