Record carrier with a follow-on track and apparatus for recordin

Details Record carrier with a follow-on track and apparatus for recordin Record carrier with a follow-on track and apparatus for recordin

1988-10-25

1990-10-09

Canney, Vincent P.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

3692751, G11B 7095, G11B 700

Patent

active

049624938

ABSTRACT:
An apparatus for recording information on a disk-shaped record carrier body by a beam of radiation. The carrier body comprises a diffractive follow-on track which is capable of being scanned with an opto-electronic system so as to produce an electrical signal for controlling the position of the beam during recording of the information.

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