FR2601489B1 - Appareil d'enregistrement optomagnetique a chargement frontal ayant un dispositif de production de champ magnetique de polarisation retractable par rapport au trajet d'introduction du support d'enregistrement - Google Patents

Appareil d'enregistrement optomagnetique a chargement frontal ayant un dispositif de production de champ magnetique de polarisation retractable par rapport au trajet d'introduction du support d'enregistrement

Info

Publication number
FR2601489B1
FR2601489B1 FR8709834A FR8709834A FR2601489B1 FR 2601489 B1 FR2601489 B1 FR 2601489B1 FR 8709834 A FR8709834 A FR 8709834A FR 8709834 A FR8709834 A FR 8709834A FR 2601489 B1 FR2601489 B1 FR 2601489B1
Authority
FR
France
Prior art keywords
optomagnetic
retractable
relation
producing
feeding path
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 - Lifetime
Application number
FR8709834A
Other languages
English (en)
Other versions
FR2601489A1 (fr
Inventor
Makoto Shiho
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 FR2601489A1 publication Critical patent/FR2601489A1/fr
Application granted granted Critical
Publication of FR2601489B1 publication Critical patent/FR2601489B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/04—Feeding or guiding single record carrier to or from transducer unit
    • G11B17/041—Feeding or guiding single record carrier to or from transducer unit specially adapted for discs contained within cartridges
    • 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
    • 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
    • G11B11/10541—Heads for reproducing
    • G11B11/10543—Heads for reproducing using optical beam of radiation
FR8709834A 1986-07-14 1987-07-10 Appareil d'enregistrement optomagnetique a chargement frontal ayant un dispositif de production de champ magnetique de polarisation retractable par rapport au trajet d'introduction du support d'enregistrement Expired - Lifetime FR2601489B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61165067A JP2566924B2 (ja) 1986-07-14 1986-07-14 光磁気記録装置

Publications (2)

Publication Number Publication Date
FR2601489A1 FR2601489A1 (fr) 1988-01-15
FR2601489B1 true FR2601489B1 (fr) 1995-09-08

Family

ID=15805239

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8709834A Expired - Lifetime FR2601489B1 (fr) 1986-07-14 1987-07-10 Appareil d'enregistrement optomagnetique a chargement frontal ayant un dispositif de production de champ magnetique de polarisation retractable par rapport au trajet d'introduction du support d'enregistrement

Country Status (5)

Country Link
US (1) US4993009A (fr)
JP (1) JP2566924B2 (fr)
DE (1) DE3723134C2 (fr)
FR (1) FR2601489B1 (fr)
GB (1) GB2192750B (fr)

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US5107484A (en) * 1988-06-28 1992-04-21 Matsushita Electric Industrial Co., Ltd. Arrangement of recording/reproducing apparatus
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JP2618010B2 (ja) * 1988-08-01 1997-06-11 松下電器産業株式会社 光磁気記録再生装置
JPH0250336A (ja) * 1988-08-11 1990-02-20 Nikon Corp 兼用可能なオーバーライト型光磁気記録装置
JPH0661123B2 (ja) * 1988-10-28 1994-08-10 株式会社日立製作所 光学磁気記録再生装置
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US5034933A (en) * 1989-03-10 1991-07-23 Sony Corporation Magneto-optical recording apparatus
US5239532A (en) * 1989-03-28 1993-08-24 U.S. Philips Corporation Drive arrangement for the writing/reading heads of a magneto-optical disc apparatus
JPH02308403A (ja) * 1989-05-23 1990-12-21 Sony Corp 光磁気デイスク装置
DE69011759T2 (de) * 1989-06-15 1995-03-16 Matsushita Electric Ind Co Ltd Magneto-optisches Aufnahme- und/oder Wiedergabegerät.
DE3927903A1 (de) * 1989-08-24 1991-02-28 Thomson Brandt Gmbh Haltevorrichtung fuer eine platte in einem magneto-optischen aufzeichnungs- und/oder wiedergabegeraet
JP3038754B2 (ja) * 1990-01-20 2000-05-08 ソニー株式会社 光磁気ディスクの記録装置
US5258965A (en) * 1990-02-28 1993-11-02 Konica Corporation Photo-magnetic disk driving apparatus
ATE187839T1 (de) * 1990-06-29 2000-01-15 Sony Corp Aufzeichnungs-/wiedergabesystem für eine magneto- optische platte
EP0524839B1 (fr) * 1991-07-25 1999-03-10 Canon Kabushiki Kaisha Méthode d'enregistrement et de reproduction magnétooptique d'information utilisant un glisseur flottant supportant une tête magnétique et appareil à cette fin
US5428583A (en) * 1991-10-31 1995-06-27 Sony Corporation Magneto-optical disc recording/reproducing apparatus
JPH05303790A (ja) * 1992-04-24 1993-11-16 Sony Corp 光磁気ディスク装置
KR0136828B1 (ko) * 1993-01-13 1998-05-15 모리시타 요이찌 정보기록재생장치(information recording and reproducing apparatus)
DE69421846T2 (de) * 1993-06-03 2000-05-04 Canon K.K., Tokio/Tokyo Magneto-optisches Aufzeichnungs-/Wiedergabegerät mit Magnetfeldpolarisationserzeugungsvorrichtungen zur Aufzeichnung mit magnetischer und optischer Modulation
US6157595A (en) * 1997-02-27 2000-12-05 Sharp Kabushiki Kaisha Magneto-optical disk loading device
JP2000322815A (ja) * 1999-05-10 2000-11-24 Funai Electric Co Ltd 光磁気記録再生装置
JP3450753B2 (ja) * 1999-06-30 2003-09-29 ペンタックス株式会社 光磁気ディスクドライブ装置のバイアス磁石位置決め機構
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JPS60226044A (ja) * 1984-04-24 1985-11-11 Sony Corp 光磁気記録装置
JPS60234251A (ja) * 1984-05-07 1985-11-20 Canon Inc 光磁気的記録再生装置
JPS60251541A (ja) * 1984-05-28 1985-12-12 Matsushita Electric Ind Co Ltd 光学式記録再生装置
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JPH0612586B2 (ja) * 1984-11-20 1994-02-16 オリンパス光学工業株式会社 デイスクロ−デイング装置
JPH0664821B2 (ja) * 1984-12-30 1994-08-22 オリンパス光学工業株式会社 記録媒体の装着装置
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DE3650686T2 (de) * 1985-04-29 1998-10-22 Sony Corp Externes Magnetfeld-Umpolungsgerät für magneto-optisches Plattengerät
JPS61258381A (ja) * 1985-05-11 1986-11-15 Hitachi Maxell Ltd デイスクカ−トリツジ
JPS61278058A (ja) * 1985-05-31 1986-12-08 Nec Home Electronics Ltd 光磁気記録再生装置
JP2533847B2 (ja) * 1985-10-17 1996-09-11 オリンパス光学工業株式会社 光磁気記録再生装置
JPS62187402U (fr) * 1986-05-16 1987-11-28

Also Published As

Publication number Publication date
FR2601489A1 (fr) 1988-01-15
JPS6320747A (ja) 1988-01-28
DE3723134A1 (de) 1988-01-28
GB2192750A (en) 1988-01-20
GB2192750B (en) 1991-01-23
DE3723134C2 (de) 1994-01-13
US4993009A (en) 1991-02-12
GB8716444D0 (en) 1987-08-19
JP2566924B2 (ja) 1996-12-25

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