IPC Subgroup
G11B 7/24003 Shapes of record carriers other than disc shape
Introduced: January 2013
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 > Record carriers characterised by shape, structure or physical properties, or by the selection of the material > Shapes of record carriers other than disc shape
Classification Context
- Section:
- PHYSICS
- Class:
- INFORMATION STORAGE
- Subclass:
- INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
3 direct subcodes
Child Classifications
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- G11B 7/24006 Cylindrical or shaft-shaped
- G11B 7/24009 Tapes, long films or long sheets
- G11B 7/24012 Optical cards