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1. DE000069028510 - Magnetooptischer Lesekopf

Office
Allemagne
Numéro de la demande 69028510
Date de la demande 20.12.1990
Numéro de publication 000069028510
Date de publication 06.02.1997
Type de publication T2
CIB
G11B 11/1
CPC
G11B 11/10547
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
11Recording 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
10using 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
105using 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 thermo-magnetic recording, ; spin magnetisation recording,; Kerr ; or Faraday; effect reproducing
10532Heads
10541for reproducing
10543using optical beam of radiation
10547interacting with the magnetisation of an intermediate transfer element, e.g. magnetic film, included in the head
G11B 11/10
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
11Recording 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
10using 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
Déposants THOMSON MULTIMEDIA SA
Inventeurs MAURICE FRANCOIS
Données relatives à la priorité 8917313 28.12.1989 FR
Titre
(DE) Magnetooptischer Lesekopf
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