Read/write arrangement for optical media

Details Read/write arrangement for optical media Read/write arrangement for optical media

G - Physics

11

B

G11B 7/135 (2006.01) G11B 7/085 (2006.01)

Patent

CA 2248644

The invention relates to a read/write arrangement for optical media. The optical medium is read/recorded with the aid of a movable optical head (14). During a search operation, a track counter is used to determine the position of the optical head. A second position indicator (18, 20, 21) is attached to the optical head to limit the speed of traverse of the optical head in case of non-availability of the position information of the track counter.

L'invention concerne un dispositif de lecture et d'écriture conçu pour des supports optiques d'enregistrement. Le support optique est lu ou enregistré à l'aide d'une tête optique mobile (14). Pendant une opération de recherche, on utilise un compteur de pistes afin de déterminer la position de la tête optique. Un deuxième indicateur de position (18, 20, 21) est fixé à la tête optique afin de limiter la vitesse transversale de ladite tête optique en cas de non disponibilité de l'information de position du compteur de pistes.

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