with provision for moving the light beam into, or out of, its operative position.

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 > Disposition or mounting of heads or light sources relatively to record carriers > with provision for moving the light beam into, or out of, its operative position.

Classification Context

Section:

PHYSICS

Class:

INFORMATION STORAGE

Subclass:

INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER