Method and apparatus for controlling the linear velocity...

Details Method and apparatus for controlling the linear velocity... Method and apparatus for controlling the linear velocity...

G - Physics

11

B

G11B 19/24 (2006.01)

Patent

CA 2274790

An improved method and apparatus for maintaining a recording head in an optical recording system at a constant linear velocity relative to a rotatable disk support, a rotation controller uses a cumulative measure of rotation to determine an angular velocity of the rotating disk support necessary to maintain a constant linear velocity.

L'invention a trait à un procédé amélioré ainsi qu'au dispositif afférent permettant de maintenir à une vitesse linéaire constante, relativement à un support de disque en rotation (10), une tête d'enregistrement (26) dans un système d'enregistrement optique. Une unité de commande de la rotation (40) utilise une mesure cumulative de la rotation pour déterminer une vitesse angulaire du support du disque en rotation (10), nécessaire au maintien d'une vitesse linéaire constante.

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