Recording, reproducing or erasing methods; Read, write or erase circuits therefor

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 methods; Read, write or erase circuits therefor

Classification Context

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

5 direct subcodes

Child Classifications

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G11B 7/0045 Recording
G11B 7/005 Reproducing
G11B 7/0055 Erasing
G11B 7/006 Overwriting
G11B 7/0065 Recording, reproducing or erasing by using optical interference patterns, e.g. holograms