DE19782042T1 - Aufzeichnungsmedium und Informations-Aufzeichnungs-/-Wiedergabegerät - Google Patents

Aufzeichnungsmedium und Informations-Aufzeichnungs-/-Wiedergabegerät

Info

Publication number
DE19782042T1
DE19782042T1 DE19782042T DE19782042T DE19782042T1 DE 19782042 T1 DE19782042 T1 DE 19782042T1 DE 19782042 T DE19782042 T DE 19782042T DE 19782042 T DE19782042 T DE 19782042T DE 19782042 T1 DE19782042 T1 DE 19782042T1
Authority
DE
Germany
Prior art keywords
reproducing device
recording
recording medium
information recording
information
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.)
Withdrawn
Application number
DE19782042T
Other languages
English (en)
Inventor
Atsushi Yamaguchi
Kenji Torazawa
Satoshi Sumi
Kenji Tanase
Yoshihisa Suzuki
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
Publication of DE19782042T1 publication Critical patent/DE19782042T1/de
Withdrawn legal-status Critical Current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
    • 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
    • G11B7/0045—Recording
    • 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
    • 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
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE19782042T 1996-10-08 1997-09-29 Aufzeichnungsmedium und Informations-Aufzeichnungs-/-Wiedergabegerät Withdrawn DE19782042T1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP26735696 1996-10-08
JP32037496 1996-11-29
JP4676097 1997-02-28
JP14519497 1997-06-03
PCT/JP1997/003481 WO1998015949A1 (fr) 1996-10-08 1997-09-29 Support d'enregistrement et dispositif d'enregistrement/reproduction d'informations

Publications (1)

Publication Number Publication Date
DE19782042T1 true DE19782042T1 (de) 1999-09-02

Family

ID=27461935

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782042T Withdrawn DE19782042T1 (de) 1996-10-08 1997-09-29 Aufzeichnungsmedium und Informations-Aufzeichnungs-/-Wiedergabegerät

Country Status (4)

Country Link
US (1) US6538968B1 (de)
AU (1) AU4322897A (de)
DE (1) DE19782042T1 (de)
WO (1) WO1998015949A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100385406B1 (ko) * 1998-01-23 2003-05-23 산요 덴키 가부시키가이샤 광자기 기록 매체의 재생 방법 및 광자기 디스크 장치
EP1130589A4 (de) * 1998-11-13 2006-07-05 Sanyo Electric Co Verfahren zur optimierung der laserwiedergabeleistung fuer magneto-optisches aufzeichnungsmedium und magneto-optische platteneinheit unter verwendung des verfahrens
JP3866016B2 (ja) * 1999-07-02 2007-01-10 Ｔｄｋ株式会社 光情報媒体およびその再生方法
FR2802696B1 (fr) * 1999-12-17 2002-07-19 Thomson Csf Lecteur magneto optique optimise par le polariseur de lumiere incidente
JP4374698B2 (ja) * 2000-02-25 2009-12-02 ソニー株式会社 記録装置
JP2002216395A (ja) * 2001-01-18 2002-08-02 Sony Corp 光記録媒体、光記録媒体用原盤、光記録媒体原盤の製造装置、光記録再生装置
JP2003173543A (ja) * 2001-09-26 2003-06-20 Victor Co Of Japan Ltd 情報記録担体及び情報記録担体の再生方法及び情報記録担体の再生装置
KR100957462B1 (ko) * 2002-01-22 2010-05-14 파나소닉 주식회사 다층 정보 기록 매체, 기록 방법, 및 재생 방법
JP2005518058A (ja) * 2002-02-14 2005-06-16 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 磁区拡大記録媒体及び記録担体を用いた利用のための位相及び／又はコピーウィンドウの制御のための方法及び装置
JP2003317251A (ja) * 2002-02-21 2003-11-07 Ricoh Co Ltd 光ディスク装置、光記録方法、光記録プログラムおよび記憶媒体
JP2005521988A (ja) * 2002-04-05 2005-07-21 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 磁区拡大読み出しにおけるデータに依存した磁界切り換えのためのコピーウィンドウ制御
KR20060006960A (ko) * 2003-05-09 2006-01-20 코닌클리케 필립스 일렉트로닉스 엔.브이. 최적의 전력레벨 결정방법 및 장치
JPWO2005073961A1 (ja) * 2004-01-28 2007-07-26 松下電器産業株式会社 光ディスク
WO2006004338A1 (en) * 2004-06-30 2006-01-12 Samsung Electronics Co., Ltd. Method and apparatus for reproducing data of super resolution information storage medium
US7701479B2 (en) * 2004-12-17 2010-04-20 Hewlett-Packard Development Company, L.P. System and method for laser write power calibration
JP4778940B2 (ja) * 2007-09-20 2011-09-21 株式会社日立製作所 光情報再生方法及び光情報再生装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5134606A (en) * 1989-07-07 1992-07-28 Nec Corporation Method and optical recording/reproducing apparatus for optimizing laser beam power
US5050156A (en) * 1989-10-25 1991-09-17 Eastman Kodak Company Method and apparatus for calibrating the writing power applied to an optical media
JP2653259B2 (ja) * 1991-03-19 1997-09-17 松下電器産業株式会社 記録レーザ強度設定方法及びレーザ記録装置
JP3050336B2 (ja) * 1991-07-05 2000-06-12 パイオニア株式会社 追記型光ディスクへの記録方法及び光ディスク記録装置
JPH05109073A (ja) 1991-10-15 1993-04-30 Sony Corp 追記型光デイスク記録装置
JP3039099B2 (ja) 1992-02-14 2000-05-08 ソニー株式会社 光ディスク記録装置およびその方法
JP2854187B2 (ja) 1992-05-12 1999-02-03 シャープ株式会社 光記録媒体及び情報記録再生装置
JPH0619577A (ja) 1992-06-30 1994-01-28 Hitachi Ltd 情報処理装置
JP3072812B2 (ja) * 1993-04-08 2000-08-07 キヤノン株式会社 光磁気記録媒体及び該媒体の情報再生方法
JPH06302042A (ja) * 1993-04-15 1994-10-28 Hitachi Ltd 光磁気ディスク装置
US5602814A (en) * 1994-10-06 1997-02-11 International Business Machines Corporation Calibration of write-once disks using a single disk sector
JP3669442B2 (ja) * 1995-06-26 2005-07-06 シャープ株式会社 ディスク状記録媒体及びディスク記録再生装置
EP0813189B1 (de) * 1996-06-14 2006-05-31 Mitsubishi Kagaku Media Co., Ltd. Optische Phasenänderungsscheibe

Also Published As

Publication number Publication date
AU4322897A (en) 1998-05-05
WO1998015949A1 (fr) 1998-04-16
US6538968B1 (en) 2003-03-25

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Legal Events

Date Code Title Description
8130 Withdrawal