G
PHYSICS
G
PHYSICS
G11
INFORMATION STORAGE
G11
INFORMATION STORAGE
G11B
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
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
G11B11/00
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
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
G11B11/10
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
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
G11B11/105
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
G11B11/10502
characterised by the transducing operation to be executed
G11B11/10502
characterised by the transducing operation to be executed
G11B11/10504
Recording
G11B11/10504
Recording
G11B11/10506
by modulating only the light beam of the transducer
G11B11/10506
by modulating only the light beam of the transducer