JP4095364B2 - 磁壁移動型光磁気記録媒体の記録再生装置 - Google Patents

磁壁移動型光磁気記録媒体の記録再生装置 Download PDF

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Publication number
JP4095364B2
JP4095364B2 JP2002211260A JP2002211260A JP4095364B2 JP 4095364 B2 JP4095364 B2 JP 4095364B2 JP 2002211260 A JP2002211260 A JP 2002211260A JP 2002211260 A JP2002211260 A JP 2002211260A JP 4095364 B2 JP4095364 B2 JP 4095364B2
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JP
Japan
Prior art keywords
signal
recording
reproduction
sync
timing
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Expired - Fee Related
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JP2002211260A
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English (en)
Japanese (ja)
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JP2004055033A (ja
JP2004055033A5 (https=
Inventor
克己 有坂
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Canon Inc
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Canon Inc
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2002211260A priority Critical patent/JP4095364B2/ja
Priority to CNB031481868A priority patent/CN1263022C/zh
Priority to US10/615,174 priority patent/US7200072B2/en
Priority to EP03254455A priority patent/EP1383120A3/en
Publication of JP2004055033A publication Critical patent/JP2004055033A/ja
Publication of JP2004055033A5 publication Critical patent/JP2004055033A5/ja
Application granted granted Critical
Publication of JP4095364B2 publication Critical patent/JP4095364B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • 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
    • G11B11/10504—Recording
    • 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
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10576—Disposition or mounting of transducers relative to record carriers with provision for moving the transducers for maintaining alignment or spacing relative to the carrier
    • G11B11/10578—Servo format, e.g. prepits, guide tracks, pilot signals
    • 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
    • G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
    • G11B11/10584—Record carriers characterised by the selection of the material or by the structure or form characterised by the form, e.g. comprising mechanical protection elements

Landscapes

  • Signal Processing For Digital Recording And Reproducing (AREA)
JP2002211260A 2002-07-19 2002-07-19 磁壁移動型光磁気記録媒体の記録再生装置 Expired - Fee Related JP4095364B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2002211260A JP4095364B2 (ja) 2002-07-19 2002-07-19 磁壁移動型光磁気記録媒体の記録再生装置
CNB031481868A CN1263022C (zh) 2002-07-19 2003-07-04 磁畴壁移动型磁光记录介质的记录再现装置
US10/615,174 US7200072B2 (en) 2002-07-19 2003-07-09 Domain wall displacement magneto-optical recording and reproducing apparatus
EP03254455A EP1383120A3 (en) 2002-07-19 2003-07-15 Recording/reproducing apparatus for domain-wall-displacement magneto-optical recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002211260A JP4095364B2 (ja) 2002-07-19 2002-07-19 磁壁移動型光磁気記録媒体の記録再生装置

Publications (3)

Publication Number Publication Date
JP2004055033A JP2004055033A (ja) 2004-02-19
JP2004055033A5 JP2004055033A5 (https=) 2005-10-27
JP4095364B2 true JP4095364B2 (ja) 2008-06-04

Family

ID=29774678

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002211260A Expired - Fee Related JP4095364B2 (ja) 2002-07-19 2002-07-19 磁壁移動型光磁気記録媒体の記録再生装置

Country Status (4)

Country Link
US (1) US7200072B2 (https=)
EP (1) EP1383120A3 (https=)
JP (1) JP4095364B2 (https=)
CN (1) CN1263022C (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0499460U (https=) * 1991-01-22 1992-08-27

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7457628B2 (en) * 2000-02-29 2008-11-25 Smarter Agent, Llc System and method for providing information based on geographic position
JP2005530292A (ja) * 2002-06-17 2005-10-06 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 磁区拡大読み取りのための動的コピーウィンドウ制御
JP2008016093A (ja) * 2006-07-04 2008-01-24 Canon Inc 光ディスク装置のｐｌｌ回路
JP2008083430A (ja) * 2006-09-28 2008-04-10 Oki Data Corp 非磁性一成分現像剤、現像カートリッジ、現像装置及び画像形成装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5055351A (en) * 1987-10-15 1991-10-08 Canon Kabushiki Kaisha Metal thin film type magnetic recording medium
JPH0612835A (ja) * 1991-11-29 1994-01-21 Canon Inc 磁気記録再生装置
JP3332458B2 (ja) 1993-04-02 2002-10-07 キヤノン株式会社 光磁気記録媒体
EP0618572B1 (en) * 1993-04-02 2002-07-03 Canon Kabushiki Kaisha Magnetooptical recording medium on which high-density information can be recorded and method of reproducing the recorded information
US5572502A (en) * 1993-09-28 1996-11-05 Hitachi, Ltd. Optical disk apparatus
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
JPH11134732A (ja) * 1997-08-29 1999-05-21 Canon Inc 情報記録再生方法
JP3647219B2 (ja) * 1997-09-01 2005-05-11 キヤノン株式会社 磁性記録媒体の信号再生方法
US6628574B1 (en) * 1998-01-12 2003-09-30 Hitachi Maxell, Ltd. Reproducing method and reproducing apparatus using plural light beam powers for transferring a magnetic domain
JPH11353732A (ja) * 1998-06-10 1999-12-24 Canon Inc 光磁気記録再生方法及び装置
US6519211B1 (en) * 1999-04-01 2003-02-11 Matsushita Electric Industrial Co., Ltd. Magneto-optical recording medium having magnetic domain shrinks and disappears
AU2001264332A1 (en) * 2000-06-22 2002-01-02 Matsushita Electric Industrial Co., Ltd. Optical disk recording medium, optical disk device, and master production method
JP2002203343A (ja) * 2000-10-31 2002-07-19 Matsushita Electric Ind Co Ltd 光ディスクおよびその製造方法
JP2002157792A (ja) * 2000-11-15 2002-05-31 Canon Inc 光磁気記録媒体及び該媒体のための再生方法、再生装置
JP2003257100A (ja) * 2001-12-27 2003-09-12 Canon Inc 磁壁移動型光磁気記録媒体の記録方法
JP2003317337A (ja) * 2002-04-26 2003-11-07 Canon Inc 光磁気記録媒体及び記録方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0499460U (https=) * 1991-01-22 1992-08-27

Also Published As

Publication number Publication date
JP2004055033A (ja) 2004-02-19
CN1263022C (zh) 2006-07-05
EP1383120A3 (en) 2008-04-23
CN1476007A (zh) 2004-02-18
US7200072B2 (en) 2007-04-03
EP1383120A2 (en) 2004-01-21
US20040013049A1 (en) 2004-01-22

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