using recording by magnetisation or demagnetisation

Full Title

Recording on, or reproducing from, the same record carrier wherein for these two operations the methods or means are covered by different main groups of groups or by different subgroups of group; Record carriers therefor > using recording by magnetisation or demagnetisation

Classification Context

Section:

PHYSICS

Class:

INFORMATION STORAGE

Subclass:

INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER

Child Classifications

Navigate with arrow keys, Enter to open

• G11B 11/105 using a beam of light or a magnetic field for recording and a beam of light for reproducing, e.g. light-induced thermomagnetic recording or Kerr effect reproducing
• G11B 11/11 using a beam other than a beam of light for recording
• G11B 11/115 using a beam other than a beam of light for reproducing