Recording, reproducing or erasing systems characterised by the shape of the carrier

Introduced: January 2000

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 > Recording, reproducing or erasing systems characterised by the shape of the carrier

Classification Context

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

4 direct subcodes

Child Classifications

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G11B 7/0025 with cylinders or cylinder-like carriers, e.g. truncated cones
G11B 7/003 with webs, e.g. belts, spooled tapes or films of quasi-infinite extent
G11B 7/0033 with cards
G11B 7/0037 with discs