DE3586453D1 - Geraet zum magnetooptischen aufnehmen, wiedergeben und loeschen von daten. - Google Patents

Geraet zum magnetooptischen aufnehmen, wiedergeben und loeschen von daten.

Info

Publication number
DE3586453D1
DE3586453D1 DE8585307781T DE3586453T DE3586453D1 DE 3586453 D1 DE3586453 D1 DE 3586453D1 DE 8585307781 T DE8585307781 T DE 8585307781T DE 3586453 T DE3586453 T DE 3586453T DE 3586453 D1 DE3586453 D1 DE 3586453D1
Authority
DE
Germany
Prior art keywords
playing back
deleting data
magnetooptically recording
magnetooptically
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
DE8585307781T
Other languages
English (en)
Other versions
DE3586453T2 (de
Inventor
Mitsuya Okada
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE3586453D1 publication Critical patent/DE3586453D1/de
Publication of DE3586453T2 publication Critical patent/DE3586453T2/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
    • G11B11/10532—Heads
DE8585307781T 1984-10-26 1985-10-28 Geraet zum magnetooptischen aufnehmen, wiedergeben und loeschen von daten. Expired - Fee Related DE3586453T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59225235A JPH06105507B2 (ja) 1984-10-26 1984-10-26 光磁気記録再生消去装置

Publications (2)

Publication Number Publication Date
DE3586453D1 true DE3586453D1 (de) 1992-09-10
DE3586453T2 DE3586453T2 (de) 1993-03-18

Family

ID=16826107

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585307781T Expired - Fee Related DE3586453T2 (de) 1984-10-26 1985-10-28 Geraet zum magnetooptischen aufnehmen, wiedergeben und loeschen von daten.

Country Status (4)

Country Link
US (1) US4862437A (de)
EP (1) EP0179671B1 (de)
JP (1) JPH06105507B2 (de)
DE (1) DE3586453T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61269202A (ja) * 1985-05-24 1986-11-28 Canon Inc 光磁気記録再生装置
JP2609228B2 (ja) * 1986-04-22 1997-05-14 ソニー株式会社 光磁気記録装置
US4846569A (en) * 1986-12-19 1989-07-11 Minolta Camera Kabushiki Kaisha Image projecting system
JPH0633525Y2 (ja) * 1987-04-10 1994-08-31 富士通株式会社 光磁気デイスク装置の磁界印加機構
NL8902615A (nl) * 1988-11-15 1990-06-01 Seiko Epson Corp Optisch registratiestelsel.
JPH02173903A (ja) * 1988-12-26 1990-07-05 Digital Sutoriimu:Kk 光磁気ディスク用電磁石
US5022018A (en) * 1989-02-16 1991-06-04 Minnesota Mining And Manufacturing Company System for applying a perpendicular magnetic field to the illuminated side of a magneto-optic medium
US5293360A (en) * 1989-03-09 1994-03-08 Canon Kabushiki Kaisha Magnetic field generating device
US5172364A (en) * 1989-08-01 1992-12-15 Mitsubishi Denki Kabushiki Kaisha Magneto-optic recording apparatus with controlled magnetic field generation
US5150338A (en) * 1989-08-10 1992-09-22 Hewlett-Packard Company Optical disk reading and writing system having magnetic write head mounted on an air-bearing slider
US5197049A (en) * 1989-08-11 1993-03-23 Apple Computer, Inc. Head and media for optical data storage
US5159584A (en) * 1989-08-15 1992-10-27 Olympus Optical Company Limited Bias-Magnetic field generating system of photo-magnetic recording device
KR930009225B1 (ko) * 1989-09-05 1993-09-24 미쯔비시덴기 가부시끼가이샤 광자기 기록 매체, 광자기 기록 장치 및 광자기 기록 매체의 제조방법
EP0470862B1 (de) * 1990-08-10 1996-03-27 Research Development Corporation Of Japan Verfahren und Aufzeichnungsträger für magnetooptische Aufzeichnung
JPH0573990A (ja) * 1991-03-07 1993-03-26 Hitachi Ltd 光記録方法、光記録再生方法、光記録材料及び光記録装置
JP3065404B2 (ja) * 1991-11-18 2000-07-17 シャープ株式会社 外部磁界発生装置
JP3139723B2 (ja) * 1992-05-15 2001-03-05 キヤノン株式会社 光磁気記録装置
US5636187A (en) * 1992-12-11 1997-06-03 Canon Kabushiki Kaisha Magnetooptical recording apparatus and magnetooptical recording method for canceling leakage magnetic fields associated with a recording medium and devices ancillary to the recording medium
US5367508A (en) * 1993-02-10 1994-11-22 Seiko Epson Corporation Magnetic field generation mechanism for magneto-optical recording
JP2001023260A (ja) * 1999-07-08 2001-01-26 Sony Corp 磁界変調用磁気ヘッド、磁気光学素子、光学ピックアップ装置および光ディスク装置
JP4499881B2 (ja) * 2000-07-05 2010-07-07 オリンパス株式会社 光磁気ディスク装置
EP1570472A1 (de) * 2002-10-29 2005-09-07 Koninklijke Philips Electronics N.V. Magnetooptische einrichtung

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3781905A (en) * 1972-09-22 1973-12-25 Honeywell Inc Optical mass memory
JPS55129908A (en) * 1979-03-15 1980-10-08 Olympus Optical Co Ltd Thermomagnetic recording and reproducing device
JPS5792446A (en) * 1980-11-26 1982-06-09 Olympus Optical Co Ltd Recording, reproduction and erasure system for information using photomagnetic recording medium
DE3278703D1 (en) * 1981-03-26 1988-07-28 Sony Corp Thermomagnetic recording methods
JPS57162137A (en) * 1981-03-28 1982-10-05 Kokusai Denshin Denwa Co Ltd <Kdd> Photomagnetic recording and reproducing system
JPS5817505A (ja) * 1981-07-22 1983-02-01 Sony Corp 光熱磁気トラツク移動方法
JPS58118025A (ja) * 1981-12-29 1983-07-13 Fujitsu Ltd 光磁気ヘツド
JPS58179904A (ja) * 1982-04-15 1983-10-21 Pioneer Electronic Corp 情報記録方式
WO1984002603A1 (en) * 1982-12-23 1984-07-05 Sony Corp Thermomagnetic optical recording/reproducing method
JPS59140605A (ja) * 1983-01-31 1984-08-13 Canon Inc 光磁気記録装置の情報消去方法
JPS59151307A (ja) * 1983-02-17 1984-08-29 Shiro Okamura 光磁気記録方式
JPS59172175A (ja) * 1983-03-22 1984-09-28 Ricoh Co Ltd 光磁気記録再生装置
JPS59178602A (ja) * 1983-03-30 1984-10-09 Shiro Okamura 光磁気記録装置
US4610009A (en) * 1983-05-23 1986-09-02 Xerox Corporation Writing, erasing and readout system for a magneto-optic recording medium
JPH065585B2 (ja) * 1984-02-15 1994-01-19 株式会社日立製作所 光磁気記憶装置

Also Published As

Publication number Publication date
EP0179671B1 (de) 1992-08-05
EP0179671A2 (de) 1986-04-30
JPH06105507B2 (ja) 1994-12-21
JPS61104443A (ja) 1986-05-22
DE3586453T2 (de) 1993-03-18
EP0179671A3 (en) 1988-03-30
US4862437A (en) 1989-08-29

Similar Documents

Publication Publication Date Title
DE3586453D1 (de) Geraet zum magnetooptischen aufnehmen, wiedergeben und loeschen von daten.
DE3580555D1 (de) Geraet zur wiedergabe von daten von aufzeichnungsplatten.
DE69021227T2 (de) Daten-Aufzeichnungs- und -Wiedergabegerät.
DE69019780T2 (de) Gerät zum Wiedergeben von Aufzeichnungsträgern.
DE3280285D1 (de) Aufzeichnen und verwenden von markierinformationen.
DE3578246D1 (de) Vorrichtung zur aufzeichnung und wiedergabe von information.
DE69015441D1 (de) Gerät zum Aufzeichnen und Wiedergeben.
DE3580704D1 (de) Aufzeichnungs- und wiedergabegeraet.
DE3885156D1 (de) Verfahren zum Aufzeichnen und Löschen von Daten.
DE68923721T2 (de) Informationsaufzeichnungsgerät und Informationsaufzeichnungs-und-wiedergabeverfahren.
KR870009380A (ko) 휴대가능한 기록매체의 독출.기록장치
DE3584921D1 (de) Verfahren und geraet zur wiedergabe von daten von aufzeichnungsplatten.
DE3583167D1 (de) Geraet zum abbilden von daten.
DE3883907T2 (de) Vorrichtung zum Aufnehmen und Wiedergeben von digitalen Signalen.
DE3574514D1 (de) Geraet zum interpolieren von videodaten.
DE3683624D1 (de) Geraet zur wiedergabe von aufgezeichneten daten.
DE3483854D1 (de) Platte zum aufzeichnen und wiedergeben von optischen informationen.
DE69020243D1 (de) Gerät zur Wiedergabe von aufgezeichneten Daten.
DE3785096D1 (de) Geraet zur informationsaufzeichnung und -wiedergabe.
DE68918828T2 (de) Gerät zur Aufzeichnung und Wiedergabe von Daten.
DE3851239D1 (de) Informationsaufnahme- und -wiedergabemethode.
DE68915031T2 (de) Vorrichtung zum Abspielen von Aufzeichnungsträgern.
DE3854370T2 (de) Datenaufzeichnungsmedium.
DE3853187D1 (de) Aufzeichnungsgerät für Informationen.
DE3483210D1 (de) Vorrichtung zum aufzeichnen und wiedergeben von signalen.

Legal Events

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