JP2001056939A - 情報再生装置及び方法 - Google Patents

情報再生装置及び方法

Info

Publication number
JP2001056939A
JP2001056939A JP11233241A JP23324199A JP2001056939A JP 2001056939 A JP2001056939 A JP 2001056939A JP 11233241 A JP11233241 A JP 11233241A JP 23324199 A JP23324199 A JP 23324199A JP 2001056939 A JP2001056939 A JP 2001056939A
Authority
JP
Japan
Prior art keywords
resolution
reference value
reproduction
reproducing
layer
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.)
Pending
Application number
JP11233241A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001056939A5 (enExample
Inventor
Goro Fujita
五郎 藤田
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 JP11233241A priority Critical patent/JP2001056939A/ja
Priority to US09/636,053 priority patent/US6845074B1/en
Priority to EP00117817A priority patent/EP1077449A1/en
Publication of JP2001056939A publication Critical patent/JP2001056939A/ja
Publication of JP2001056939A5 publication Critical patent/JP2001056939A5/ja
Pending legal-status Critical Current

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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10595—Control of operating function
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10502—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
    • G11B11/10515—Reproducing
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP11233241A 1999-08-19 1999-08-19 情報再生装置及び方法 Pending JP2001056939A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP11233241A JP2001056939A (ja) 1999-08-19 1999-08-19 情報再生装置及び方法
US09/636,053 US6845074B1 (en) 1999-08-19 2000-08-10 Information readout apparatus and information readout method
EP00117817A EP1077449A1 (en) 1999-08-19 2000-08-18 Information readout apparatus and information readout method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11233241A JP2001056939A (ja) 1999-08-19 1999-08-19 情報再生装置及び方法

Publications (2)

Publication Number Publication Date
JP2001056939A true JP2001056939A (ja) 2001-02-27
JP2001056939A5 JP2001056939A5 (enExample) 2006-04-27

Family

ID=16951990

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11233241A Pending JP2001056939A (ja) 1999-08-19 1999-08-19 情報再生装置及び方法

Country Status (3)

Country Link
US (1) US6845074B1 (enExample)
EP (1) EP1077449A1 (enExample)
JP (1) JP2001056939A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007029430A1 (ja) * 2005-09-05 2007-03-15 Nec Corporation 光学情報再生方法、光学情報再生装置及び光学情報記録媒体
JP2010092548A (ja) * 2008-10-09 2010-04-22 Sharp Corp 光情報記録媒体再生装置、光情報記録媒体再生プログラム、およびコンピュータ読み取り可能な記録媒体

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6925575B2 (en) * 2002-04-05 2005-08-02 Intel Corporation Selectable clocking synchronization of a parallel-to-serial converter and memory
JP4253724B2 (ja) * 2003-10-31 2009-04-15 独立行政法人産業技術総合研究所 レーザビームの再生パワーの決定方法およびデータ記録再生装置
KR101244908B1 (ko) * 2005-12-20 2013-03-18 티디케이가부시기가이샤 광기록 매체에 대한 최적 재생 파워를 결정하는 방법 및 장치
FR2938065B1 (fr) * 2008-11-05 2012-05-25 I2S Procede de numerisation de livres en trois dimensions par ondes terahertz.
TWI391918B (zh) * 2009-06-15 2013-04-01 Novatek Microelectronics Corp 資料復原裝置與方法
CN116402691B (zh) * 2023-06-05 2023-08-04 四川轻化工大学 基于图像特征快速拼接的图像超分辨率方法和系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992015093A1 (fr) 1991-02-13 1992-09-03 Sony Corporation Procede pour la reproduction des signaux dans un support d'enregistrement optique
WO1993017417A1 (fr) 1992-02-19 1993-09-02 Sony Corporation Support d'enregistrement optique, son procede d'enregistrement, son procede de reproduction et procede pour produire des signaux d'erreur de poursuite
US5633854A (en) 1992-02-19 1997-05-27 Sony Corporation Methods and apparatus for reproducing data recorded on an optical recording medium
JP3262911B2 (ja) 1993-08-25 2002-03-04 シャープ株式会社 記録状態検出装置及び記録状態検出方法
JP3355043B2 (ja) * 1994-08-29 2002-12-09 シャープ株式会社 光磁気記録媒体の記録再生装置
JP3424037B2 (ja) 1996-04-05 2003-07-07 富士通株式会社 光磁気記録媒体の情報再生方法及び情報記録方法、並びに光磁気再生装置
US6278667B1 (en) * 1998-01-30 2001-08-21 Seagate Technology, Inc. System and method for light power control in a magneto-optical drive
JPH11224424A (ja) * 1998-02-05 1999-08-17 Sony Corp 光ディスク再生制御装置
US6459669B1 (en) 1998-04-10 2002-10-01 Sony Corporation Information reproducing apparatus and information reproducing method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007029430A1 (ja) * 2005-09-05 2007-03-15 Nec Corporation 光学情報再生方法、光学情報再生装置及び光学情報記録媒体
JPWO2007029430A1 (ja) * 2005-09-05 2009-03-12 日本電気株式会社 光学情報再生方法、光学情報再生装置及び光学情報記録媒体
US7903511B2 (en) 2005-09-05 2011-03-08 Nec Corporation Optical information reproducing method, optical information reproducing device, and optical information recording medium for performing reproduction of information by using laser beams
JP2010092548A (ja) * 2008-10-09 2010-04-22 Sharp Corp 光情報記録媒体再生装置、光情報記録媒体再生プログラム、およびコンピュータ読み取り可能な記録媒体
US8514674B2 (en) 2008-10-09 2013-08-20 Sharp Kabushiki Kaisha Optical information recording medium reproducing apparatus, method for reproducing optical information recording medium, program for reproducing optical information recording medium, and computer readable recording medium

Also Published As

Publication number Publication date
US6845074B1 (en) 2005-01-18
EP1077449A1 (en) 2001-02-21

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