JP2007272980A - 光ピックアップ装置 - Google Patents

光ピックアップ装置 Download PDF

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Publication number
JP2007272980A
JP2007272980A JP2006096121A JP2006096121A JP2007272980A JP 2007272980 A JP2007272980 A JP 2007272980A JP 2006096121 A JP2006096121 A JP 2006096121A JP 2006096121 A JP2006096121 A JP 2006096121A JP 2007272980 A JP2007272980 A JP 2007272980A
Authority
JP
Japan
Prior art keywords
light
pickup device
optical pickup
recording medium
information recording
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.)
Ceased
Application number
JP2006096121A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007272980A5 (enExample
Inventor
Masahiko Nishimoto
雅彦 西本
Naoki Nakanishi
直樹 中西
Masayuki Ono
将之 小野
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2006096121A priority Critical patent/JP2007272980A/ja
Priority to CNA2007800009644A priority patent/CN101346763A/zh
Priority to US12/065,972 priority patent/US20090168628A1/en
Priority to PCT/JP2007/054586 priority patent/WO2007113983A1/ja
Priority to TW096108525A priority patent/TW200746118A/zh
Publication of JP2007272980A publication Critical patent/JP2007272980A/ja
Publication of JP2007272980A5 publication Critical patent/JP2007272980A5/ja
Ceased 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
    • G11B7/135—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
    • G11B7/13—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
    • G11B7/1381—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
    • G11B2007/0009—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
    • G11B7/0943—Methods and circuits for performing mathematical operations on individual detector segment outputs

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2006096121A 2006-03-30 2006-03-30 光ピックアップ装置 Ceased JP2007272980A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2006096121A JP2007272980A (ja) 2006-03-30 2006-03-30 光ピックアップ装置
CNA2007800009644A CN101346763A (zh) 2006-03-30 2007-03-08 拾光器装置
US12/065,972 US20090168628A1 (en) 2006-03-30 2007-03-08 Optical pickup apparatus
PCT/JP2007/054586 WO2007113983A1 (ja) 2006-03-30 2007-03-08 光ピックアップ装置
TW096108525A TW200746118A (en) 2006-03-30 2007-03-13 Optical pickup apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006096121A JP2007272980A (ja) 2006-03-30 2006-03-30 光ピックアップ装置

Publications (2)

Publication Number Publication Date
JP2007272980A true JP2007272980A (ja) 2007-10-18
JP2007272980A5 JP2007272980A5 (enExample) 2008-10-02

Family

ID=38563255

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006096121A Ceased JP2007272980A (ja) 2006-03-30 2006-03-30 光ピックアップ装置

Country Status (5)

Country Link
US (1) US20090168628A1 (enExample)
JP (1) JP2007272980A (enExample)
CN (1) CN101346763A (enExample)
TW (1) TW200746118A (enExample)
WO (1) WO2007113983A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2009072179A1 (ja) * 2007-12-03 2011-04-21 パイオニア株式会社 記録装置及び方法、コンピュータプログラム、並びに記録媒体

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5007196B2 (ja) * 2007-10-22 2012-08-22 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
KR101330201B1 (ko) * 2010-07-12 2013-11-15 도시바삼성스토리지테크놀러지코리아 주식회사 광 픽업 장치 및 이를 적용한 광 디스크 드라이브
JP6064265B2 (ja) * 2012-12-12 2017-01-25 パナソニックＩｐマネジメント株式会社 光ピックアップおよび光記録再生装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09180244A (ja) * 1995-12-21 1997-07-11 Victor Co Of Japan Ltd ２層光ディスクのピックアップ装置
JP2003099975A (ja) * 2001-09-25 2003-04-04 Olympus Optical Co Ltd 多層光記録再生装置
JP2005063595A (ja) * 2003-08-18 2005-03-10 Sony Corp 光ピックアップ及びディスクドライブ装置
JP2006073132A (ja) * 2004-09-03 2006-03-16 Ricoh Co Ltd 光ピックアップ装置・光源側ユニットおよび多層記録媒体ドライブ装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1231603A4 (en) * 1999-11-09 2007-07-11 Matsushita Electric Industrial Co Ltd PHOTOELECTRONIC DEVICE

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09180244A (ja) * 1995-12-21 1997-07-11 Victor Co Of Japan Ltd ２層光ディスクのピックアップ装置
JP2003099975A (ja) * 2001-09-25 2003-04-04 Olympus Optical Co Ltd 多層光記録再生装置
JP2005063595A (ja) * 2003-08-18 2005-03-10 Sony Corp 光ピックアップ及びディスクドライブ装置
JP2006073132A (ja) * 2004-09-03 2006-03-16 Ricoh Co Ltd 光ピックアップ装置・光源側ユニットおよび多層記録媒体ドライブ装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2009072179A1 (ja) * 2007-12-03 2011-04-21 パイオニア株式会社 記録装置及び方法、コンピュータプログラム、並びに記録媒体

Also Published As

Publication number Publication date
WO2007113983A1 (ja) 2007-10-11
TW200746118A (en) 2007-12-16
CN101346763A (zh) 2009-01-14
US20090168628A1 (en) 2009-07-02

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