ID26057A - Aparatus pengatur output optikal dan metode penganturan output optikal - Google Patents

Aparatus pengatur output optikal dan metode penganturan output optikal

Info

Publication number
ID26057A
ID26057A IDP20000418D ID20000418D ID26057A ID 26057 A ID26057 A ID 26057A ID P20000418 D IDP20000418 D ID P20000418D ID 20000418 D ID20000418 D ID 20000418D ID 26057 A ID26057 A ID 26057A
Authority
ID
Indonesia
Prior art keywords
output settings
optaral
methods
optical output
optical
Prior art date
Application number
IDP20000418D
Other languages
English (en)
Indonesian (id)
Inventor
Keiichi Tsutsui
Yasuyuki Takeshita
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
Publication of ID26057A publication Critical patent/ID26057A/id

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
    • G11B7/1263—Power control during transducing, e.g. by monitoring
    • 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
    • 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
    • G11B20/10305—Improvement or modification of read or write signals signal quality assessment
    • G11B20/10314—Improvement or modification of read or write signals signal quality assessment amplitude of the recorded or reproduced signal
    • 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
    • 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
    • G11B2220/2525—Magneto-optical [MO] discs

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Head (AREA)
  • Semiconductor Lasers (AREA)
IDP20000418D 1999-05-19 2000-05-17 Aparatus pengatur output optikal dan metode penganturan output optikal ID26057A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11139169A JP2000331397A (ja) 1999-05-19 1999-05-19 光出力調整装置及び光出力調整方法

Publications (1)

Publication Number Publication Date
ID26057A true ID26057A (id) 2000-11-23

Family

ID=15239193

Family Applications (1)

Application Number Title Priority Date Filing Date
IDP20000418D ID26057A (id) 1999-05-19 2000-05-17 Aparatus pengatur output optikal dan metode penganturan output optikal

Country Status (13)

Country Link
US (2) US6552967B1 (fr)
EP (1) EP1056079A3 (fr)
JP (1) JP2000331397A (fr)
KR (2) KR100717657B1 (fr)
CN (1) CN1305056C (fr)
AU (1) AU768696B2 (fr)
BR (1) BR0002481A (fr)
CA (1) CA2308427A1 (fr)
ID (1) ID26057A (fr)
MX (1) MXPA00004857A (fr)
MY (2) MY138423A (fr)
SG (1) SG92704A1 (fr)
TW (1) TW468149B (fr)

Families Citing this family (16)

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Publication number Priority date Publication date Assignee Title
JP2002216403A (ja) * 2001-01-16 2002-08-02 Canon Inc 光磁気ディスクのアニール方法、及び光磁気ディスク
US6802398B2 (en) 2001-01-16 2004-10-12 Delphi Technologies, Inc. Manual cable release apparatus for a motor actuated park brake for a vehicle
US6983829B2 (en) 2001-01-16 2006-01-10 Delphi Technologies, Inc. Motor actuated park brake for a vehicle
JP4451004B2 (ja) * 2001-02-28 2010-04-14 シャープ株式会社 光再生装置
JP3858613B2 (ja) * 2001-03-23 2006-12-20 ティアック株式会社 光ディスク装置
EP1490865A2 (fr) * 2001-09-12 2004-12-29 Koninklijke Philips Electronics N.V. Commande de la puissance rayonnante et/ou du champ destinee a un support d'enregistrement a expansion de domaine
JP2003317344A (ja) * 2002-04-26 2003-11-07 Canon Inc 光磁気記録方法、及び光磁気記録装置
WO2004029944A1 (fr) * 2002-09-30 2004-04-08 Nec Corporation Procede de fixation de parametre d'enregistrement et enregistreur de donnees utilisant celui-ci
CN100351913C (zh) * 2002-10-23 2007-11-28 松下电器产业株式会社 光盘装置
JP2005159000A (ja) * 2003-11-26 2005-06-16 Sony Corp 半導体レーザ
KR100596005B1 (ko) * 2004-11-30 2006-07-05 한국전자통신연구원 복조 회로
CN101950570A (zh) * 2005-05-06 2011-01-19 联发科技股份有限公司 光学储存的方法和装置
WO2007004129A1 (fr) * 2005-06-30 2007-01-11 Koninklijke Philips Electronics, N.V. Algorithme d'energie laser pour applications faible puissance
CN101490756A (zh) * 2006-07-17 2009-07-22 皇家飞利浦电子股份有限公司 能够重新播放具有高双折射性的光学载体的光学驱动器
US8238319B2 (en) * 2006-09-01 2012-08-07 Advanced Telecommunications Research Institute International Radio apparatus
JP2010086581A (ja) * 2008-09-30 2010-04-15 Hitachi Ltd 情報記録媒体および光記録再生装置

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01196609A (ja) 1988-02-01 1989-08-08 Hitachi Metals Ltd マスフローコントローラ用制御回路
JP2812441B2 (ja) 1988-10-11 1998-10-22 キヤノン株式会社 光学的情報記録再生装置
JP2959586B2 (ja) 1991-02-12 1999-10-06 ソニー株式会社 光磁気ディスクの再生方法
JP2795567B2 (ja) 1991-11-25 1998-09-10 シャープ株式会社 光磁気ディスク及び再生方法
JPH05166188A (ja) * 1991-12-19 1993-07-02 Nec Eng Ltd 光磁気ディスク装置
JP3332458B2 (ja) 1993-04-02 2002-10-07 キヤノン株式会社 光磁気記録媒体
EP1158509A3 (fr) * 1993-04-02 2002-01-02 Canon Kabushiki Kaisha Procédé d'enregistrement magnéto-optique
US5537381A (en) * 1993-09-02 1996-07-16 Sharp Kabushiki Kaisha Test-writing recording control method and test-writing recording control apparatus and optical recording medium
ES2161240T3 (es) 1993-11-17 2001-12-01 Canon Kk Aparato de grabacion/reproduccion optica de informacion y metodo con funcion de ajuste de la potencia de reproduccion.
JPH07244876A (ja) 1994-03-01 1995-09-19 Sharp Corp 光磁気記録媒体及び光磁気記録再生方法
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
US5726954A (en) * 1995-04-10 1998-03-10 Nikon Corporation Optical recording method and apparatus
JPH08335323A (ja) * 1995-06-07 1996-12-17 Matsushita Electric Ind Co Ltd 光学的情報記録再生装置
JPH09102147A (ja) * 1995-10-05 1997-04-15 Sony Corp デイスク記録装置
JPH09161301A (ja) * 1995-12-08 1997-06-20 Olympus Optical Co Ltd 光学的情報再生装置
US5808972A (en) * 1995-12-28 1998-09-15 Nikon Corporation Stabilized overwriteable optical recording method using laser beam intensity settings
JPH1092037A (ja) 1996-09-19 1998-04-10 Canon Inc 光磁気記録再生方法及び光磁気記録再生装置
JPH1092047A (ja) * 1996-09-19 1998-04-10 Canon Inc 光学的情報記録再生方法と光学的情報記録再生装置
JPH10334534A (ja) * 1997-05-28 1998-12-18 Canon Inc 光磁気記録再生方法及び光磁気記録再生装置
DE69842250D1 (de) 1997-06-24 2011-06-16 Sharp Kk Optisches Wiedergabegerät und optisches Speichersystem mit diesem Gerät und einem Medium
EP0889468B1 (fr) * 1997-07-02 2009-09-30 Sharp Kabushiki Kaisha Méthod et dispositif de commande de la condition d'enregistrement et milieu d'enregistrement optique pour appareil d'enregistrement optique
US6392970B1 (en) * 1997-08-04 2002-05-21 Sharp Kabushiki Kaisha Reproducing light quantity control method for optical memory device, and reproducing light quantity control device, and optical recording medium
JPH1196609A (ja) * 1997-09-18 1999-04-09 Canon Inc 光磁気情報再生装置
JP3640776B2 (ja) * 1997-10-03 2005-04-20 シャープ株式会社 光再生装置及び光記録媒体、並びに光記録媒体の再生方法
JP3660114B2 (ja) * 1997-11-14 2005-06-15 シャープ株式会社 光記憶装置における記録条件制御方法
US6385141B1 (en) * 1999-01-07 2002-05-07 Hitachi Maxell Ltd. Magneto-optical recording method capable of adjusting the sizes magnetic domain

Also Published As

Publication number Publication date
CA2308427A1 (fr) 2000-11-19
US6552967B1 (en) 2003-04-22
US6744700B2 (en) 2004-06-01
SG92704A1 (en) 2002-11-19
US20030117905A1 (en) 2003-06-26
TW468149B (en) 2001-12-11
CN1305056C (zh) 2007-03-14
BR0002481A (pt) 2001-01-02
MY138423A (en) 2009-06-30
AU3251700A (en) 2000-11-23
CN1274917A (zh) 2000-11-29
MY127064A (en) 2006-11-30
KR20000077316A (ko) 2000-12-26
AU768696B2 (en) 2004-01-08
EP1056079A3 (fr) 2002-11-06
JP2000331397A (ja) 2000-11-30
MXPA00004857A (es) 2002-03-08
KR20060132772A (ko) 2006-12-22
KR100717657B1 (ko) 2007-05-15
EP1056079A2 (fr) 2000-11-29
KR100702563B1 (ko) 2007-04-04

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