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DE3851239D1 - Informationsaufnahme- und -wiedergabemethode. - Google Patents

Informationsaufnahme- und -wiedergabemethode.

Info

Publication number
DE3851239D1
DE3851239D1 DE3851239T DE3851239T DE3851239D1 DE 3851239 D1 DE3851239 D1 DE 3851239D1 DE 3851239 T DE3851239 T DE 3851239T DE 3851239 T DE3851239 T DE 3851239T DE 3851239 D1 DE3851239 D1 DE 3851239D1
Authority
DE
Germany
Prior art keywords
information recording
playback method
playback
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.)
Expired - Fee Related
Application number
DE3851239T
Other languages
English (en)
Other versions
DE3851239T2 (de
Inventor
Motoyasu Terao
Kunikazu Ohnishi
Tetsuya Nishida
Hiroshi Yasuoka
Keikichi Ando
Norio Ohta
Hirofumi Sukeda
Yoshito Tsunoda
Toshimitsu Kaku
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.)
Hitachi Ltd
Original Assignee
Hitachi 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
Priority claimed from JP62014161A external-priority patent/JP2571776B2/ja
Priority claimed from JP62024535A external-priority patent/JPS63193330A/ja
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Application granted granted Critical
Publication of DE3851239D1 publication Critical patent/DE3851239D1/de
Publication of DE3851239T2 publication Critical patent/DE3851239T2/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
    • 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
    • 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
    • G11B7/006—Overwriting
    • 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
    • G11B11/10506—Recording by modulating only the light beam of 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
    • 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
    • G11B7/00454—Recording involving phase-change effects
DE3851239T 1987-01-26 1988-01-26 Informationsaufnahme- und -wiedergabemethode. Expired - Fee Related DE3851239T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62014161A JP2571776B2 (ja) 1987-01-26 1987-01-26 情報の記録および消去方法
JP62024535A JPS63193330A (ja) 1987-02-06 1987-02-06 情報の記録・再生方法

Publications (2)

Publication Number Publication Date
DE3851239D1 true DE3851239D1 (de) 1994-10-06
DE3851239T2 DE3851239T2 (de) 1994-12-15

Family

ID=26350059

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3851239T Expired - Fee Related DE3851239T2 (de) 1987-01-26 1988-01-26 Informationsaufnahme- und -wiedergabemethode.

Country Status (5)

Country Link
US (1) US5404348A (de)
EP (1) EP0276808B1 (de)
KR (1) KR910003039B1 (de)
CN (1) CN88100345A (de)
DE (1) DE3851239T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0318200B1 (de) * 1987-11-25 1994-03-09 Matsushita Electric Industrial Co., Ltd. Optisches Informationsaufzeichnungs- und -löschverfahren
US6052510A (en) * 1988-09-19 2000-04-18 Canon Kabushiki Kaisha Apparatus for recording, reproduction or erasing
JP2839783B2 (ja) * 1991-04-17 1998-12-16 シャープ株式会社 光磁気記録媒体、再生装置及び再生方法
JP3412163B2 (ja) * 1991-05-24 2003-06-03 松下電器産業株式会社 光磁気ディスク装置
JPH05144114A (ja) * 1991-11-19 1993-06-11 Canon Inc 光磁気記録装置
JP3287648B2 (ja) * 1993-06-07 2002-06-04 株式会社リコー 相変化型情報記録媒体の記録同時ベリファイ方法及び相変化型情報記録ドライブ装置
JP2783179B2 (ja) * 1995-02-27 1998-08-06 日本電気株式会社 光学情報の記録・再生方法及び記録・再生装置
JP2012014757A (ja) * 2010-06-29 2012-01-19 Sony Corp 再生装置、再生方法およびプログラム
US8869179B2 (en) 2011-06-17 2014-10-21 Oracle International Corporation Rotary head data storage and retrieval system and method
US9324347B2 (en) 2012-09-19 2016-04-26 Oracle International Corporation Apparatus and method for controlling tape movement in a rotary head data storage system and retrieval system
US8897113B2 (en) 2012-11-07 2014-11-25 Oracle International Corporation Rotary head data storage and retrieval system and method for data verification
US8780682B2 (en) * 2012-11-07 2014-07-15 Oracle International Corporation Rotary head data storage and retrieval system and method for data erasure
US8793713B2 (en) 2012-11-07 2014-07-29 Oracle International Corporation Rotary head data storage and retrieval system and method with tape medium having transverse primary data tracks and longitudinal secondary data track

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5528530A (en) * 1978-08-17 1980-02-29 Matsushita Electric Ind Co Ltd Optical information recording method
GB2040539B (en) * 1978-12-27 1983-01-26 Hitachi Ltd Optical information recording apparatus
JPS56145530A (en) * 1980-04-15 1981-11-12 Matsushita Electric Ind Co Ltd Optical information recording and erasing method
JPS6049977B2 (ja) * 1980-04-23 1985-11-06 松下電器産業株式会社 光デイスク装置
JPS5883347A (ja) * 1981-11-09 1983-05-19 Canon Inc 光磁気記録装置
JPH0816987B2 (ja) * 1982-10-15 1996-02-21 松下電器産業株式会社 光学的記録再生装置
DE3482347D1 (de) * 1983-12-14 1990-06-28 Hitachi Ltd Geraet zum optischen aufzeichnen von informationen.
JPS60231928A (ja) * 1984-04-27 1985-11-18 Matsushita Electric Ind Co Ltd 光学情報記録消去方法
JPS60236137A (ja) * 1984-05-08 1985-11-22 Nippon Kogaku Kk <Nikon> 同時消録型光磁気記録方式並びにそれに使用する記録装置及び記録媒体
JPS60236120A (ja) * 1984-05-09 1985-11-22 Hitachi Ltd 情報の消去方法
CA1245762A (en) * 1984-06-15 1988-11-29 Noboru Yamada Reversible optical information recording medium
US4718053A (en) * 1984-11-09 1988-01-05 Hitachi, Ltd. Optical information apparatus and method of recording and erasing information
JPS61214228A (ja) * 1985-03-20 1986-09-24 Hitachi Ltd 情報記録方法
US4787077A (en) * 1985-08-15 1988-11-22 International Business Machines Corporation Process for optically storing information using materials having a single phase in both the crystalline state and the amorphous state
JPH0777025B2 (ja) * 1985-10-16 1995-08-16 株式会社日立製作所 光学的記録再生装置
US4888750A (en) * 1986-03-07 1989-12-19 Kryder Mark H Method and system for erase before write magneto-optic recording
EP0549562B1 (de) * 1986-05-02 1998-12-16 Hitachi, Ltd. Verfahren und Vorrichtung zur Aufzeichnung und Wiedergabe von Information
US4754446A (en) * 1987-01-23 1988-06-28 General Electric Company Optical recording system using refracted write beam for erasing
EP0318200B1 (de) * 1987-11-25 1994-03-09 Matsushita Electric Industrial Co., Ltd. Optisches Informationsaufzeichnungs- und -löschverfahren

Also Published As

Publication number Publication date
EP0276808A2 (de) 1988-08-03
US5404348A (en) 1995-04-04
KR880010406A (ko) 1988-10-08
KR910003039B1 (ko) 1991-05-17
DE3851239T2 (de) 1994-12-15
EP0276808A3 (en) 1990-11-28
CN88100345A (zh) 1988-08-10
EP0276808B1 (de) 1994-08-31

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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