DE69224717T2 - Informationsaufzeichnungsverfahren und Gerät - Google Patents

Informationsaufzeichnungsverfahren und Gerät

Info

Publication number
DE69224717T2
DE69224717T2 DE69224717T DE69224717T DE69224717T2 DE 69224717 T2 DE69224717 T2 DE 69224717T2 DE 69224717 T DE69224717 T DE 69224717T DE 69224717 T DE69224717 T DE 69224717T DE 69224717 T2 DE69224717 T2 DE 69224717T2
Authority
DE
Germany
Prior art keywords
information recording
recording method
information
recording
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.)
Expired - Fee Related
Application number
DE69224717T
Other languages
English (en)
Other versions
DE69224717D1 (de
Inventor
Seiichiro Satomura
Katsuya Yamazaki
Kazuyoshi Ishii
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.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from JP35408591A external-priority patent/JPH05174502A/ja
Priority claimed from JP4118196A external-priority patent/JPH05290377A/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE69224717D1 publication Critical patent/DE69224717D1/de
Publication of DE69224717T2 publication Critical patent/DE69224717T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • 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
    • G11B11/10508—Recording by modulating only the magnetic field at the transducer
    • 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
    • G11B11/10517—Overwriting or erasing
    • G11B11/10519—Direct overwriting, i.e. performing erasing and recording using the same transducing means
    • 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
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816—Testing
    • G11B20/182—Testing using test patterns
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1879—Direct read-after-write methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
DE69224717T 1991-12-19 1992-12-17 Informationsaufzeichnungsverfahren und Gerät Expired - Fee Related DE69224717T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP35408591A JPH05174502A (ja) 1991-12-19 1991-12-19 情報記録装置
JP4118196A JPH05290377A (ja) 1992-04-10 1992-04-10 情報記録装置

Publications (2)

Publication Number Publication Date
DE69224717D1 DE69224717D1 (de) 1998-04-16
DE69224717T2 true DE69224717T2 (de) 1998-08-06

Family

ID=26456174

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69224717T Expired - Fee Related DE69224717T2 (de) 1991-12-19 1992-12-17 Informationsaufzeichnungsverfahren und Gerät

Country Status (3)

Country Link
US (1) US5485433A (de)
EP (1) EP0547915B1 (de)
DE (1) DE69224717T2 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3333613B2 (ja) * 1993-12-07 2002-10-15 株式会社日立製作所 光情報記録媒体並びに光情報記録再生方法及び光情報記録再生装置
EP0735532A3 (de) * 1995-03-28 1997-10-01 Nippon Kogaku Kk Verfahren und Steuerung zur optischen Aufzeichnung
EP0844609A4 (de) * 1995-08-09 2007-10-17 Hitachi Ltd Gerät für optische platten
JP2812266B2 (ja) * 1995-10-19 1998-10-22 日本電気株式会社 光磁気ディスク記録装置および光磁気ディスク記録方法
US5808972A (en) * 1995-12-28 1998-09-15 Nikon Corporation Stabilized overwriteable optical recording method using laser beam intensity settings
US5999506A (en) * 1996-08-22 1999-12-07 Matsushita Electric Industrial Co., Ltd. Data recording/reproducing device and recording medium
JPH1092045A (ja) * 1996-09-18 1998-04-10 Canon Inc 信号再生装置
JPH10199064A (ja) * 1997-01-10 1998-07-31 Sony Corp データ記録装置及びデータ記録方法
DE69841191D1 (de) * 1997-07-02 2009-11-12 Sharp Kk Verfahren und Vorrichtung zur Steuerung einer Aufzeichnungsbedingung und optisches Aufzeichnungsmedium für optisches Aufzeichnungsgerät
JP3745506B2 (ja) * 1997-07-12 2006-02-15 ソニー株式会社 データ処理装置及び方法
JP3703315B2 (ja) * 1997-10-01 2005-10-05 キヤノン株式会社 光磁気記録再生方法及びその再生装置
KR100236004B1 (ko) * 1997-10-31 2000-01-15 구자홍 광자기 기록매체로부터 기록정보를 재생하는 장치및 방법
US6091687A (en) * 1997-12-19 2000-07-18 Philips Electronics N.A. Corporation Method and apparatus for maximum likelihood detection
JPH11185314A (ja) * 1997-12-25 1999-07-09 Sanyo Electric Co Ltd 情報記録再生装置
US6414912B1 (en) 1998-02-04 2002-07-02 Hitachi, Ltd. Optical disk device using a recording medium structurally arranged to generate a recording clock
JP3507360B2 (ja) 1998-05-07 2004-03-15 キヤノン株式会社 磁気ヘッド用平面コイル部品、光磁気記録用磁気ヘッドおよび光磁気記録装置
JP2000030203A (ja) 1998-05-07 2000-01-28 Canon Inc 磁気ヘッド用コイル、光磁気記録用磁気ヘッドおよび光磁気記録装置
JPH11353732A (ja) * 1998-06-10 1999-12-24 Canon Inc 光磁気記録再生方法及び装置
JP2000200450A (ja) * 1998-10-30 2000-07-18 Canon Inc 光磁気記録再生方法及び装置
JP2000149344A (ja) * 1998-11-05 2000-05-30 Hitachi Ltd 情報記録方法、情報記録再生方法、情報再生方法、情報記録装置、情報記録再生装置及び情報再生装置
CN1332883A (zh) * 1998-11-13 2002-01-23 三洋电机株式会社 优化用于磁光记录媒体的再现激光功率的方法和使用该方法的磁光盘单元
JP2001023254A (ja) * 1999-07-02 2001-01-26 Canon Inc 光磁気記録テスト方法及び光磁気記録再生装置
JP2001067748A (ja) 1999-08-31 2001-03-16 Canon Inc 光磁気記録ヘッドおよび光磁気記録装置
JP2001229589A (ja) 2000-02-16 2001-08-24 Canon Inc 光磁気記録媒体及び光磁気記録装置
JP2004227712A (ja) * 2003-01-24 2004-08-12 Canon Inc 磁気ヘッド支持機構
JP3938075B2 (ja) * 2003-03-11 2007-06-27 ヤマハ株式会社 光ディスク記録方法、及び光ディスク記録装置
JP2005251240A (ja) * 2004-03-01 2005-09-15 Canon Inc 光学的記録再生装置
US6937071B1 (en) 2004-03-16 2005-08-30 Micrel, Incorporated High frequency differential power amplifier
JP2006179095A (ja) * 2004-12-21 2006-07-06 Funai Electric Co Ltd 光ディスク装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6116033A (ja) * 1984-07-02 1986-01-24 Matsushita Electric Ind Co Ltd 書換え可能光学的記録再生装置
US4688204A (en) * 1984-11-16 1987-08-18 Storage Technology Partners Ii Pulsed optical data detection system
US4729045A (en) * 1986-04-01 1988-03-01 Hewlett-Packard Company Apparatus and method for digital magnetic recording and reading
JP2574765B2 (ja) * 1986-07-09 1997-01-22 株式会社日立製作所 光磁気デイスク装置
JPS63117353A (ja) * 1986-11-05 1988-05-21 Hitachi Electronics Eng Co Ltd 光磁気デイスクの寿命検査方法
US4841389A (en) * 1987-06-11 1989-06-20 International Business Machines Corporation Magnetic transducer crash anticipation and response method and apparatus
JPH0373448A (ja) * 1989-05-10 1991-03-28 Ricoh Co Ltd 光磁気記録方法
JPH0349077A (ja) * 1989-07-17 1991-03-01 Canon Inc デジタル情報記録再生装置
JPH03156775A (ja) * 1989-08-30 1991-07-04 Canon Inc 情報記録方法及び情報記録装置
JPH03171453A (ja) * 1989-11-29 1991-07-24 Sony Corp 光磁気信号再生方法
JP2574911B2 (ja) * 1990-01-10 1997-01-22 シャープ株式会社 光磁気記録方法

Also Published As

Publication number Publication date
EP0547915A2 (de) 1993-06-23
EP0547915A3 (en) 1993-12-01
DE69224717D1 (de) 1998-04-16
US5485433A (en) 1996-01-16
EP0547915B1 (de) 1998-03-11

Similar Documents

Publication Publication Date Title
DE69224717T2 (de) Informationsaufzeichnungsverfahren und Gerät
DE69115725D1 (de) Informationsaufnahmeverfahren und -gerät
DE69315950T2 (de) Aufzeichnungsgerät und Aufzeichnungsverfahren
DE69032775D1 (de) Optisches Informationsaufzeichnungsverfahren und Aufzeichnungsgerät
DE69225533D1 (de) Aufzeichnungs- und Wiedergabegerät
DE69424078T2 (de) Datenwiedergabeverfahren und Datenwiedergabegerät
DE69330173T2 (de) Aufzeichnungs- und Wiedergabegerät
DE69333174D1 (de) Bildaufzeichnungsverfahren und Gerät dafür
DE69312835D1 (de) Aufzeichnungs- und Wiedergabegerät
DE69331655T2 (de) Aufzeichnungs- und Wiedergabegerät
DE68923721D1 (de) Informationsaufzeichnungsgerät und Informationsaufzeichnungs-und-wiedergabeverfahren.
DE69126736D1 (de) Informationsaufzeichnungs-und Wiedergabegerät
DE69529442T2 (de) Informationsaufzeichnungsverfahren und -vorrichtung
DE69325884D1 (de) Informationsaufzeichnungs- und wiedergabegerät
DE69407483D1 (de) Aufzeichnungsgerät und Aufzeichnungsverfahren
DE69323950D1 (de) Datenaufzeichnungsmethode und Datenaufzeichnungsgerät
DE69214503D1 (de) Datenaufzeichnungs- und -wiedergabegerät
DE69225873D1 (de) Informationsaufzeichungs- und Wiedergabegerät
DE69219376D1 (de) Magnetaufzeichnungs- und Wiedergabemethode und Gerät
DE69315404T2 (de) Aufzeichnungsgerät und Aufzeichnungsverfahren
DE69425770D1 (de) Direktes Aufzeichnungsverfahren und direkte Aufzeichnungsvorrichtung
DE69225257T2 (de) Aufzeichnungsgerät und Aufzeichnungs-/Wiedergabesystem
DE69225517D1 (de) Bildaufzeichnungsverfahren und -gerät
DE69212875D1 (de) Informationsaufzeichnungs- und -wiedergabegerät
DE69215831D1 (de) Aufzeichnungs- und Wiedergabegerät

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee