DE69226333T2 - Magnetooptisches Aufzeichnungsgerät tauglich zur Wiedergabe aufgezeichneter Information während der Aufzeichnung - Google Patents

Magnetooptisches Aufzeichnungsgerät tauglich zur Wiedergabe aufgezeichneter Information während der Aufzeichnung

Info

Publication number
DE69226333T2
DE69226333T2 DE69226333T DE69226333T DE69226333T2 DE 69226333 T2 DE69226333 T2 DE 69226333T2 DE 69226333 T DE69226333 T DE 69226333T DE 69226333 T DE69226333 T DE 69226333T DE 69226333 T2 DE69226333 T2 DE 69226333T2
Authority
DE
Germany
Prior art keywords
magneto
device capable
recorded information
information during
playing back
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
DE69226333T
Other languages
English (en)
Other versions
DE69226333D1 (de
Inventor
Katuya Yamazaki
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
Application filed by Canon Inc filed Critical Canon Inc
Publication of DE69226333D1 publication Critical patent/DE69226333D1/de
Application granted granted Critical
Publication of DE69226333T2 publication Critical patent/DE69226333T2/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
    • 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
    • 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
    • G11B11/10521—Direct overwriting, i.e. performing erasing and recording using the same transducing means using a single light spot
DE69226333T 1991-11-19 1992-11-13 Magnetooptisches Aufzeichnungsgerät tauglich zur Wiedergabe aufgezeichneter Information während der Aufzeichnung Expired - Fee Related DE69226333T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3329824A JPH05144114A (ja) 1991-11-19 1991-11-19 光磁気記録装置

Publications (2)

Publication Number Publication Date
DE69226333D1 DE69226333D1 (de) 1998-08-27
DE69226333T2 true DE69226333T2 (de) 1998-12-03

Family

ID=18225643

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69226333T Expired - Fee Related DE69226333T2 (de) 1991-11-19 1992-11-13 Magnetooptisches Aufzeichnungsgerät tauglich zur Wiedergabe aufgezeichneter Information während der Aufzeichnung

Country Status (4)

Country Link
US (1) US5563851A (de)
EP (1) EP0543580B1 (de)
JP (1) JPH05144114A (de)
DE (1) DE69226333T2 (de)

Families Citing this family (8)

* 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
JP2950181B2 (ja) * 1995-02-16 1999-09-20 日本電気株式会社 光磁気ディスク記録装置
EP0735532A3 (de) * 1995-03-28 1997-10-01 Nippon Kogaku Kk Verfahren und Steuerung zur optischen Aufzeichnung
JP2989575B2 (ja) * 1997-12-12 1999-12-13 三洋電機株式会社 光磁気記録媒体
US6618337B2 (en) * 2000-01-28 2003-09-09 Matsushita Electric Industrial Co., Ltd. Information recording and reproduction apparatus
JP2005251240A (ja) * 2004-03-01 2005-09-15 Canon Inc 光学的記録再生装置
WO2007015299A1 (ja) * 2005-08-03 2007-02-08 Fujitsu Limited 光情報記録再生装置および光情報記録媒体
WO2007015298A1 (ja) * 2005-08-03 2007-02-08 Fujitsu Limited 光情報記録再生装置および光情報記録媒体

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06105509B2 (ja) * 1985-05-31 1994-12-21 キヤノン株式会社 光磁気記録再生装置
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
KR910003039B1 (ko) * 1987-01-26 1991-05-17 가부시기가이샤 히다찌세이사꾸쇼 정보의 기록 재생 방법
JPH01165056A (ja) * 1987-09-21 1989-06-29 Sharp Corp 光情報記録再生装置
US5233578A (en) * 1988-12-28 1993-08-03 Canon Kabushiki Kaisha Method of recording information on a recording medium having at least two magnetic layers
JPH0373448A (ja) * 1989-05-10 1991-03-28 Ricoh Co Ltd 光磁気記録方法
CA2026740C (en) * 1989-11-20 1995-08-29 Morovat Tayefeh Sensing previously-recorded information while recording or erasing a magnetooptic storage number
JP2574911B2 (ja) * 1990-01-10 1997-01-22 シャープ株式会社 光磁気記録方法
JPH0520720A (ja) * 1991-07-16 1993-01-29 Canon Inc 光磁気記録方式
EP0818783A3 (de) * 1991-07-16 1999-04-14 Canon Kabushiki Kaisha Magneto-optisches Aufzeichnungsmedium und -verfahren

Also Published As

Publication number Publication date
EP0543580A3 (en) 1993-11-18
DE69226333D1 (de) 1998-08-27
JPH05144114A (ja) 1993-06-11
US5563851A (en) 1996-10-08
EP0543580B1 (de) 1998-07-22
EP0543580A2 (de) 1993-05-26

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Legal Events

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