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