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IPC Subgroup
G11B 7/007

Arrangement of the information on the record carrier, e.g. form of tracks

Introduced: January 1985

Last revised: January 2006

Full Title

Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power; Record carriers therefor > Arrangement of the information on the record carrier, e.g. form of tracks

Classification Context

Section:
PHYSICS
Class:
INFORMATION STORAGE
Subclass:
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER

1 direct subcode

Child Classifications

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  • G11B 7/013 for discrete information, i.e. where each information unit is stored in a distinct location