Disk drive, method of producing the same, and disk drive...

Details Disk drive, method of producing the same, and disk drive... Disk drive, method of producing the same, and disk drive...

G - Physics

11

B

G11B 21/10 (2006.01) G11B 21/08 (2006.01)

Patent

CA 2349598

A disk drive, method of producing the same, and disk drive controller are provided with little increase of cost at an improved yield. An HDC (20) finds the current position of a head (2) to perform track following control based on the reproduction output of a servosector from a channel (5) and performs computation about servo data by using an integration parameter corresponding to the target track which is read and stored in a RAM (1) and the current position of the head (2).

La présente invention concerne un lecteur de disque, son procédé de production, et un contrôleur de lecteur de disque obtenus avec une légère augmentation de coût et un meilleur rendement. Une HDLC (20) localise la position actuelle d'une tête de lecture (2) pour entamer sa poursuite après contrôle, sur la base de la puissance de reproduction d'un servo-secteur de canal (5). De plus, cette HDLC calcule les données de servocommande en utilisant un paramètre d'intégration correspondant à la poursuite de la cible lue et mémorisée dans une mémoire RAM (1), et à la position actuelle de la tête de lecture (2).

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