JP4722190B2 - 光ピックアップ装置および光ディスク装置 - Google Patents

光ピックアップ装置および光ディスク装置 Download PDF

Info

Publication number
JP4722190B2
JP4722190B2 JP2009010369A JP2009010369A JP4722190B2 JP 4722190 B2 JP4722190 B2 JP 4722190B2 JP 2009010369 A JP2009010369 A JP 2009010369A JP 2009010369 A JP2009010369 A JP 2009010369A JP 4722190 B2 JP4722190 B2 JP 4722190B2
Authority
JP
Japan
Prior art keywords
light
signal
sensor pattern
laser
photodetector
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
JP2009010369A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010170598A5 (enExample
JP2010170598A (ja
Inventor
昇 間宮
克俊 日比野
謙司 永冨
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP2009010369A priority Critical patent/JP4722190B2/ja
Priority to US12/690,501 priority patent/US8427922B2/en
Publication of JP2010170598A publication Critical patent/JP2010170598A/ja
Publication of JP2010170598A5 publication Critical patent/JP2010170598A5/ja
Application granted granted Critical
Publication of JP4722190B2 publication Critical patent/JP4722190B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • G11B7/08—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
    • G11B7/094—Methods and circuits for servo offset compensation
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP2009010369A 2009-01-20 2009-01-20 光ピックアップ装置および光ディスク装置 Expired - Fee Related JP4722190B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009010369A JP4722190B2 (ja) 2009-01-20 2009-01-20 光ピックアップ装置および光ディスク装置
US12/690,501 US8427922B2 (en) 2009-01-20 2010-01-20 Optical pickup device and optical disc device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009010369A JP4722190B2 (ja) 2009-01-20 2009-01-20 光ピックアップ装置および光ディスク装置

Publications (3)

Publication Number Publication Date
JP2010170598A JP2010170598A (ja) 2010-08-05
JP2010170598A5 JP2010170598A5 (enExample) 2011-02-10
JP4722190B2 true JP4722190B2 (ja) 2011-07-13

Family

ID=42336878

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009010369A Expired - Fee Related JP4722190B2 (ja) 2009-01-20 2009-01-20 光ピックアップ装置および光ディスク装置

Country Status (2)

Country Link
US (1) US8427922B2 (enExample)
JP (1) JP4722190B2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5173923B2 (ja) * 2009-04-28 2013-04-03 三洋電機株式会社 光ピックアップ装置および光ディスク装置
WO2011118177A1 (ja) * 2010-03-25 2011-09-29 パナソニック株式会社 光学ヘッド及び光情報装置
JP2012033231A (ja) 2010-07-30 2012-02-16 Sanyo Electric Co Ltd 光ピックアップ装置
JP2012094209A (ja) * 2010-10-26 2012-05-17 Sanyo Electric Co Ltd 光ピックアップ装置
JP2013012277A (ja) * 2011-06-29 2013-01-17 Sanyo Electric Co Ltd 光ピックアップ装置
JP2013033582A (ja) * 2011-06-29 2013-02-14 Sanyo Electric Co Ltd 光ピックアップ装置および分光素子の位置調整方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3491253B2 (ja) 1998-06-04 2004-01-26 松下電器産業株式会社 光ディスク自動調整装置
JP3879897B2 (ja) * 2000-09-07 2007-02-14 パイオニア株式会社 光ピックアップ装置
JP4859089B2 (ja) 2005-03-14 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
JP2006260669A (ja) 2005-03-16 2006-09-28 Ricoh Co Ltd 光情報記録再生装置及び記録媒体
JP4561706B2 (ja) * 2005-11-16 2010-10-13 日本ビクター株式会社 光ピックアップ装置
JP4433315B2 (ja) * 2006-01-12 2010-03-17 ソニー株式会社 光ピックアップ及び光情報装置
JP4751444B2 (ja) * 2006-04-12 2011-08-17 パナソニック株式会社 光ディスク装置
US20090278029A1 (en) * 2006-11-01 2009-11-12 Pioneer Corporation Pickup device
JP4893314B2 (ja) * 2007-01-09 2012-03-07 株式会社Ｊｖｃケンウッド 光ピックアップ装置
US8000184B2 (en) * 2007-05-08 2011-08-16 Panasonic Corporation Optical pickup device and optical disc device with offset compensation
JP2009003986A (ja) * 2007-06-19 2009-01-08 Victor Co Of Japan Ltd 光ピックアップ装置
JP2009009630A (ja) * 2007-06-27 2009-01-15 Victor Co Of Japan Ltd 光ピックアップ装置

Also Published As

Publication number Publication date
US20100182891A1 (en) 2010-07-22
US8427922B2 (en) 2013-04-23
JP2010170598A (ja) 2010-08-05

Similar Documents

Publication Publication Date Title
JP4610662B2 (ja) 光ピックアップ装置および光ディスク装置
JP4610628B2 (ja) 光ピックアップ装置および焦点調整方法
JP5173656B2 (ja) 光ピックアップ装置
JP5173953B2 (ja) 光ピックアップ装置および光ディスク装置
JP5173659B2 (ja) 光ピックアップ装置および光ディスク装置
JP4722190B2 (ja) 光ピックアップ装置および光ディスク装置
JP4684341B2 (ja) 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
JP2011070752A (ja) 光ピックアップ装置
JP2011008852A (ja) 光ピックアップ装置
US8228778B2 (en) Optical pickup device and optical disc device
JP5227930B2 (ja) 光ピックアップ装置
US8345528B2 (en) Optical pickup device
JP2009129483A (ja) 光ピックアップ装置
JP4722205B2 (ja) 光ピックアップ装置および光ディスク装置
US20130003516A1 (en) Optical pickup device
JP5173868B2 (ja) 光ピックアップ装置および光ディスク装置
US8331211B2 (en) Optical pickup device
US8432783B2 (en) Optical pickup device and position adjusting method for light separating element
JP2008047199A (ja) 光ピックアップ装置
JP2010049758A (ja) 光ピックアップ装置
JP2008047201A (ja) 光ピックアップ装置
JP2010080005A (ja) 光ピックアップ装置および光ディスク装置
JP2014089777A (ja) 光ピックアップ装置
JP2010079983A (ja) 光ピックアップ装置および光ディスク装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20101221

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20101221

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20101221

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20110125

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110208

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110215

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20110308

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20110405

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140415

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140415

Year of fee payment: 3

LAPS Cancellation because of no payment of annual fees