DE69518617D1 - Lesevorrichtung und -system - Google Patents

Lesevorrichtung und -system

Info

Publication number
DE69518617D1
DE69518617D1 DE69518617T DE69518617T DE69518617D1 DE 69518617 D1 DE69518617 D1 DE 69518617D1 DE 69518617 T DE69518617 T DE 69518617T DE 69518617 T DE69518617 T DE 69518617T DE 69518617 D1 DE69518617 D1 DE 69518617D1
Authority
DE
Germany
Prior art keywords
reading device
reading
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
DE69518617T
Other languages
English (en)
Other versions
DE69518617T2 (de
Inventor
Michel Audoin
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of DE69518617D1 publication Critical patent/DE69518617D1/de
Publication of DE69518617T2 publication Critical patent/DE69518617T2/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
    • 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
    • G11B11/10547—Heads for reproducing using optical beam of radiation interacting with the magnetisation of an intermediate transfer element, e.g. magnetic film, included in the head
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/49—Fixed mounting or arrangements, e.g. one head per track
    • G11B5/4969—Details for track selection or addressing
DE69518617T 1994-12-23 1995-12-19 Lesevorrichtung und -system Expired - Fee Related DE69518617T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9415583A FR2728716B1 (fr) 1994-12-23 1994-12-23 Dispositif et systeme de lecture

Publications (2)

Publication Number Publication Date
DE69518617D1 true DE69518617D1 (de) 2000-10-05
DE69518617T2 DE69518617T2 (de) 2001-04-26

Family

ID=9470193

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69518617T Expired - Fee Related DE69518617T2 (de) 1994-12-23 1995-12-19 Lesevorrichtung und -system

Country Status (6)

Country Link
US (1) US5870361A (de)
EP (1) EP0718826B1 (de)
JP (1) JPH08255429A (de)
KR (1) KR100403879B1 (de)
DE (1) DE69518617T2 (de)
FR (1) FR2728716B1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7027537B1 (en) * 1999-03-05 2006-04-11 The Board Of Trustees Of The Leland Stanford Junior University Iterative multi-user detection
WO2001004879A1 (fr) 1999-07-09 2001-01-18 Thales Systeme de suivi de piste pour l'enregistrement/lecture d'un support d'informations et support d'enregistrement
FR2797513B1 (fr) * 1999-08-10 2001-10-26 Thomson Csf Dispositif de lecture magneto-optique pour bandes magnetiques multipistes
FR2797514B3 (fr) * 1999-08-10 2001-10-12 Thomson Csf Dispositif de lecture magneto-optique pour bandes magnetiques multipistes
US6693872B1 (en) * 2000-08-29 2004-02-17 Eastman Kodak Company Multi-track optical data recording and readout
US8411392B2 (en) * 2008-06-24 2013-04-02 Seagate Technology Llc Magnetic field sensor including multiple magnetoresistive sensing elements for patterned media

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2569072B1 (fr) * 1984-05-25 1988-09-16 Thomson Csf Systeme de lecture magneto-optique
JPS61287056A (ja) * 1985-06-12 1986-12-17 Toshiba Corp 光情報記録再生装置
FR2630853B1 (fr) * 1988-04-27 1995-06-02 Thomson Csf Dispositif matriciel a tetes magnetiques notamment en couches minces
FR2683063B1 (fr) * 1991-10-29 1998-02-06 Thomson Csf Procede de lecture d'informations enregistrees et systeme de lecture.
FR2699723B1 (fr) * 1992-12-22 1995-01-20 Thomson Csf Support d'enregistrement d'informations, enregistreur, lecteur et procédé d'enregistrement.
FR2699724B1 (fr) * 1992-12-22 1995-01-20 Thomson Csf Procédé de lecture d'un support d'enregistrement et système appliquant ce procédé.
FR2727589B1 (fr) * 1994-11-25 1997-01-03 Thomson Csf Dispositif et systeme de lecture

Also Published As

Publication number Publication date
FR2728716B1 (fr) 1997-01-31
EP0718826A1 (de) 1996-06-26
JPH08255429A (ja) 1996-10-01
US5870361A (en) 1999-02-09
DE69518617T2 (de) 2001-04-26
KR100403879B1 (ko) 2004-03-02
KR960025439A (ko) 1996-07-20
FR2728716A1 (fr) 1996-06-28
EP0718826B1 (de) 2000-08-30

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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