ES2079428T3 - Dispositivo para la grabacion y/o lectura de un soporte de informacion magnetico-optico. - Google Patents

Dispositivo para la grabacion y/o lectura de un soporte de informacion magnetico-optico.

Info

Publication number
ES2079428T3
ES2079428T3 ES90200674T ES90200674T ES2079428T3 ES 2079428 T3 ES2079428 T3 ES 2079428T3 ES 90200674 T ES90200674 T ES 90200674T ES 90200674 T ES90200674 T ES 90200674T ES 2079428 T3 ES2079428 T3 ES 2079428T3
Authority
ES
Spain
Prior art keywords
slider
unit
magnetic
built
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 - Lifetime
Application number
ES90200674T
Other languages
English (en)
Inventor
Johannes Martinus Mari Hensing
Cornelius Antonius Hezemans
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.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
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 Philips Electronics NV filed Critical Philips Electronics NV
Application granted granted Critical
Publication of ES2079428T3 publication Critical patent/ES2079428T3/es
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
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to 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
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10556—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position
    • G11B11/10567—Mechanically moving the transducers
    • G11B11/10571—Sled type positioners
    • 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
    • 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
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/10556—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position
    • G11B11/10573—Control of relative positioning of the magnetic and optical transducers, e.g. to move simultaneously

Abstract

LA INVENCION SE REFIERE A UN DISPOSITIVO PARA INSCRIBIR Y/O LEER UN DISCO (7) MAGNETO-OPTICO. EL DISPOSITIVO COMPRENDE: UN BASTIDOR (1), QUE LLEVA UNA PLATAFORMA GIRATORIA (5), QUE GIRA ALREDEDOR DE UN EJE DE ROTACION (11); UNA DESLIZADERA (17) QUE LLEVA UNA UNIDAD OPTICA (19); MEDIO (15) DE GUIA RECTILINEA PARA LA DESLIZADERA SITUADA SOBRE EL BASTIDOR; Y UNA UNIDAD (101) DE ACCIONAMIENTO DE LA DESLIZADERA, CONSTRUIDA COMO UN MOTOR LINEAL. EL DISPOSITIVO COMPRENDE ADEMAS UNA DESLIZADERA (57) POSTERIOR A LA QUE, VISTA A LO LARGO DEL CITADO EJE DE ROTACION, SE SUJETA UNA UNIDAD MAGNETICA (59), EN UNA POSICION OPUESTA A, Y DISTANCIADA DE, LA UNIDAD OPTICA; UNA UNIDAD (103) MAS DE ACCIONAMIENTO DE LA DESLIZADERA, CONSTRUIDA COMO UN MOTOR LINEAL, Y UN MEDIO MAS (55) DE GUIA RECTILINEA PARA OTRA DESLIZADERA, CUYO OTRO MEDIO DE GUIA RECTILINEA SE EXTIENDE PARALELO AL MEDIO DE GUIA RECTILINEO PARA LA PRIMERA DESLIZADERA CITADA ANTERIORMENTE. EL DISPOSITIVO COMPRENDE ADEMAS UN SISTEMA DE MEDICION YCONTROL PARA EL POSICIONAMIENTO DE LA UNIDAD OPTICA Y LA UNIDAD MAGNETICA, LA UNA RESPECTO DE LA OTRA.
ES90200674T 1989-03-28 1990-03-22 Dispositivo para la grabacion y/o lectura de un soporte de informacion magnetico-optico. Expired - Lifetime ES2079428T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8900751A NL8900751A (nl) 1989-03-28 1989-03-28 Inrichting voor het inschrijven en/of uitlezen van een magneto-optische informatiedrager.

Publications (1)

Publication Number Publication Date
ES2079428T3 true ES2079428T3 (es) 1996-01-16

Family

ID=19854364

Family Applications (2)

Application Number Title Priority Date Filing Date
ES90200680T Expired - Lifetime ES2079430T3 (es) 1989-03-28 1990-03-22 Dispositivo para grabar y/o leer un soporte de informacion magnetico-optico.
ES90200674T Expired - Lifetime ES2079428T3 (es) 1989-03-28 1990-03-22 Dispositivo para la grabacion y/o lectura de un soporte de informacion magnetico-optico.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES90200680T Expired - Lifetime ES2079430T3 (es) 1989-03-28 1990-03-22 Dispositivo para grabar y/o leer un soporte de informacion magnetico-optico.

Country Status (10)

Country Link
EP (2) EP0390259B1 (es)
JP (2) JPH02285541A (es)
KR (1) KR900015116A (es)
CZ (1) CZ280054B6 (es)
DE (2) DE69022458T2 (es)
ES (2) ES2079430T3 (es)
HK (2) HK168896A (es)
NL (1) NL8900751A (es)
RU (1) RU2068201C1 (es)
SK (1) SK278531B6 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0340250A (ja) * 1989-07-06 1991-02-21 Matsushita Electric Ind Co Ltd 光磁気ディスクおよび光磁気ディスク装置
NL9001546A (nl) * 1990-07-06 1992-02-03 Philips Nv Inrichting voor het inschrijven en/of uitlezen van een magneto-optische informatiedrager.
JP3393655B2 (ja) * 1992-02-27 2003-04-07 パイオニア株式会社 光ディスクプレーヤ
JP5073647B2 (ja) 2006-03-29 2012-11-14 パナソニック株式会社 近接場光ヘッド、近接場光ヘッド装置、近接場光情報装置及び近接場光情報システム
CN111624171B (zh) * 2020-05-07 2023-08-11 北京空间机电研究所 一种低温真空大光程高灵敏度直线扫描装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0668851B2 (ja) * 1984-12-03 1994-08-31 オリンパス光学工業株式会社 バイアス磁界印加装置
JPS6466848A (en) * 1987-09-07 1989-03-13 Hitachi Ltd Magneto-optical recording/reproducing device
JPS6468814A (en) * 1987-09-10 1989-03-14 Canon Kk Method and device for position control of moving object

Also Published As

Publication number Publication date
NL8900751A (nl) 1990-10-16
DE69022458D1 (de) 1995-10-26
KR900015116A (ko) 1990-10-26
ES2079430T3 (es) 1996-01-16
HK169496A (en) 1996-09-20
JP2552492Y2 (ja) 1997-10-29
JPH02128225U (es) 1990-10-23
HK168896A (en) 1996-09-20
JPH02285541A (ja) 1990-11-22
SK278531B6 (en) 1997-09-10
EP0390259A1 (en) 1990-10-03
RU2068201C1 (ru) 1996-10-20
DE69022458T2 (de) 1996-04-25
EP0390263B1 (en) 1995-09-20
EP0390263A1 (en) 1990-10-03
CZ280054B6 (cs) 1995-10-18
DE69022456T2 (de) 1996-04-25
DE69022456D1 (de) 1995-10-26
CS142490A3 (en) 1992-06-17
EP0390259B1 (en) 1995-09-20

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