CN107210049B - 光学介质再现装置和光学介质再现方法 - Google Patents

光学介质再现装置和光学介质再现方法 Download PDF

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Publication number
CN107210049B
CN107210049B CN201580075463.7A CN201580075463A CN107210049B CN 107210049 B CN107210049 B CN 107210049B CN 201580075463 A CN201580075463 A CN 201580075463A CN 107210049 B CN107210049 B CN 107210049B
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China
Prior art keywords
signal
signals
optical medium
optical
channel
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Expired - Fee Related
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CN201580075463.7A
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English (en)
Chinese (zh)
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CN107210049A (zh
Inventor
西纪彰
齐藤公博
白石淳也
安藤伸彦
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Sony Corp
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Sony Corp
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    • 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

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Head (AREA)
CN201580075463.7A 2015-02-12 2015-12-09 光学介质再现装置和光学介质再现方法 Expired - Fee Related CN107210049B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2015-025666 2015-02-12
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

Publications (2)

Publication Number Publication Date
CN107210049A CN107210049A (zh) 2017-09-26
CN107210049B true CN107210049B (zh) 2020-09-01

Family

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Family Applications (1)

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CN201580075463.7A Expired - Fee Related 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

Country Status (4)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3522161A4 (en) * 2016-09-30 2019-10-16 Sony Semiconductor Solutions Corporation PLAYING DEVICE AND PLAYBACK PROCESS
CA3164640A1 (en) 2020-02-11 2021-08-19 Robert Bowing Internal combustion engine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0977183A2 (en) * 1998-07-27 2000-02-02 Pioneer Electronic Corporation Recorded information reproducing apparatus with crosstalk canceler
CN1309392A (zh) * 1999-09-16 2001-08-22 三星电子株式会社 误差信号检测装置和再现信号检测装置
CN101030409A (zh) * 2006-03-03 2007-09-05 索尼株式会社 光拾取装置以及光盘装置
CN102446530A (zh) * 2010-10-04 2012-05-09 索尼公司 数据检测设备、再现设备以及数据检测方法
WO2014207972A1 (ja) * 2013-06-28 2014-12-31 ソニー株式会社 光媒体再生装置および光媒体再生方法

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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
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
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
CN103975389B (zh) 2012-10-05 2016-12-28 松下知识产权经营株式会社 信息再生装置及信息再生方法
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
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
JP6489126B2 (ja) * 2014-07-11 2019-03-27 ソニー株式会社 光媒体再生装置および光媒体再生方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0977183A2 (en) * 1998-07-27 2000-02-02 Pioneer Electronic Corporation Recorded information reproducing apparatus with crosstalk canceler
CN1309392A (zh) * 1999-09-16 2001-08-22 三星电子株式会社 误差信号检测装置和再现信号检测装置
CN101030409A (zh) * 2006-03-03 2007-09-05 索尼株式会社 光拾取装置以及光盘装置
CN102446530A (zh) * 2010-10-04 2012-05-09 索尼公司 数据检测设备、再现设备以及数据检测方法
WO2014207972A1 (ja) * 2013-06-28 2014-12-31 ソニー株式会社 光媒体再生装置および光媒体再生方法

Also Published As

Publication number Publication date
CN107210049A (zh) 2017-09-26
US20180096703A1 (en) 2018-04-05
WO2016129022A1 (ja) 2016-08-18
JP2016149172A (ja) 2016-08-18
US9990952B2 (en) 2018-06-05
JP6123821B2 (ja) 2017-05-10

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