JP6123821B2 - 光媒体再生装置及び光媒体再生方法 - Google Patents

光媒体再生装置及び光媒体再生方法 Download PDF

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Publication number
JP6123821B2
JP6123821B2 JP2015025666A JP2015025666A JP6123821B2 JP 6123821 B2 JP6123821 B2 JP 6123821B2 JP 2015025666 A JP2015025666 A JP 2015025666A JP 2015025666 A JP2015025666 A JP 2015025666A JP 6123821 B2 JP6123821 B2 JP 6123821B2
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JP
Japan
Prior art keywords
signal
optical medium
optical
signals
filter
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
JP2015025666A
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English (en)
Japanese (ja)
Other versions
JP2016149172A5 (enExample
JP2016149172A (ja
Inventor
紀彰 西
紀彰 西
公博 齊藤
公博 齊藤
淳也 白石
淳也 白石
安藤　伸彦
伸彦 安藤
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
Priority to JP2015025666A priority Critical patent/JP6123821B2/ja
Priority to PCT/JP2015/006143 priority patent/WO2016129022A1/ja
Priority to CN201580075463.7A priority patent/CN107210049B/zh
Priority to US15/548,520 priority patent/US9990952B2/en
Publication of JP2016149172A publication Critical patent/JP2016149172A/ja
Publication of JP2016149172A5 publication Critical patent/JP2016149172A5/ja
Application granted granted Critical
Publication of JP6123821B2 publication Critical patent/JP6123821B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • 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
    • 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
    • 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
    • G11B7/133—Shape of individual detector elements
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B2007/00709—Dimensions of grooves or tracks, e.g. groove depth, track pitch
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2541—Blu-ray discs; Blue laser DVR discs

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Head (AREA)
JP2015025666A 2015-02-12 2015-02-12 光媒体再生装置及び光媒体再生方法 Expired - Fee Related JP6123821B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2015025666A JP6123821B2 (ja) 2015-02-12 2015-02-12 光媒体再生装置及び光媒体再生方法
PCT/JP2015/006143 WO2016129022A1 (ja) 2015-02-12 2015-12-09 光媒体再生装置及び光媒体再生方法
CN201580075463.7A CN107210049B (zh) 2015-02-12 2015-12-09 光学介质再现装置和光学介质再现方法
US15/548,520 US9990952B2 (en) 2015-02-12 2015-12-09 Optical medium reproducing device and optical medium reproducing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015025666A JP6123821B2 (ja) 2015-02-12 2015-02-12 光媒体再生装置及び光媒体再生方法

Publications (3)

Publication Number Publication Date
JP2016149172A JP2016149172A (ja) 2016-08-18
JP2016149172A5 JP2016149172A5 (enExample) 2017-02-16
JP6123821B2 true JP6123821B2 (ja) 2017-05-10

Family

ID=56614353

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015025666A Expired - Fee Related JP6123821B2 (ja) 2015-02-12 2015-02-12 光媒体再生装置及び光媒体再生方法

Country Status (4)

Country Link
US (1) US9990952B2 (enExample)
JP (1) JP6123821B2 (enExample)
CN (1) CN107210049B (enExample)
WO (1) WO2016129022A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12044161B2 (en) 2020-02-11 2024-07-23 Innio Jenbacher Gmbh & Co Og Internal combustion engine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11335371B2 (en) 2016-09-30 2022-05-17 Sony Semiconductor Solutions Corporation Reproduction apparatus and reproduction method

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JPS57111838A (en) * 1980-12-27 1982-07-12 Olympus Optical Co Ltd Optical information reader
JP2723986B2 (ja) * 1989-08-02 1998-03-09 株式会社日立製作所 光ディスク原盤の作製方法
JPH05242512A (ja) 1991-12-19 1993-09-21 Matsushita Electric Ind Co Ltd 光ディスク装置
JPH07234382A (ja) * 1994-02-24 1995-09-05 Matsushita Electric Ind Co Ltd 超解像走査光学装置
JP3214537B2 (ja) 1995-03-08 2001-10-02 日本電信電話株式会社 光ビームを用いたデータ再生方法及びその装置
US5621717A (en) * 1995-06-07 1997-04-15 International Business Machines Corporation Reading optical disks having substrates with diverse axial thicknesses
JP2000048488A (ja) * 1998-07-27 2000-02-18 Pioneer Electron Corp クロストーク除去回路を有する記録情報再生装置
EP1085509A3 (en) * 1999-09-16 2007-01-31 Samsung Electronics Co., Ltd. Error signal detection apparatus and reproduction signal detection apparatus for optical recording/reproducing system
KR100636121B1 (ko) * 2000-05-23 2006-10-18 삼성전자주식회사 광픽업장치
US20060114791A1 (en) * 2004-11-30 2006-06-01 Charles Marshall Ultra-high data density optical media system
CN101661763B (zh) * 2006-03-03 2012-10-10 索尼株式会社 光拾取装置以及光盘装置
JP5029411B2 (ja) * 2008-02-19 2012-09-19 ソニー株式会社 再生装置、再生方法、データ検出処理回路
JP5318033B2 (ja) * 2010-05-28 2013-10-16 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
JP2012079385A (ja) * 2010-10-04 2012-04-19 Sony Corp データ検出装置、再生装置、データ検出方法
US8953426B2 (en) 2012-10-05 2015-02-10 Panasonic Intellectual Property Management Co., Ltd. Information reproducing apparatus and information reproducing method
WO2014203526A1 (ja) * 2013-06-19 2014-12-24 パナソニックＩｐマネジメント株式会社 光情報装置及び情報処理装置
US10134438B2 (en) * 2013-06-28 2018-11-20 Sony Corporation Optical medium reproduction apparatus and method of reproducing optical medium
JP6167918B2 (ja) * 2013-08-14 2017-07-26 ソニー株式会社 光媒体再生装置および光媒体再生方法
WO2016006157A1 (ja) * 2014-07-11 2016-01-14 ソニー株式会社 光媒体再生装置および光媒体再生方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12044161B2 (en) 2020-02-11 2024-07-23 Innio Jenbacher Gmbh & Co Og Internal combustion engine

Also Published As

Publication number Publication date
US20180096703A1 (en) 2018-04-05
CN107210049B (zh) 2020-09-01
US9990952B2 (en) 2018-06-05
WO2016129022A1 (ja) 2016-08-18
JP2016149172A (ja) 2016-08-18
CN107210049A (zh) 2017-09-26

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