Dynamic deskewing for a rotating head recording device

Details Dynamic deskewing for a rotating head recording device Dynamic deskewing for a rotating head recording device

G - Physics

11

B

352/21.1

G11B 21/10 (2006.01) G11B 5/588 (2006.01) G11B 15/60 (2006.01) G11B 20/20 (2006.01)

Patent

CA 1096037

ABSTRACT In a magnetic recording device skew between data tracks, recorded on a length of magnetic media, and a magnetic transducer is corrected dynamically by a close loop con- trolled servo system. When the magnetic transducer is not in transducing relationship with the magnetic media, an offset number is placed into a stop/lock counting means. The stop/lock counting means is one of the elements which is positioned in the close loop of the servo system. The stop/ lock counting means outputs a series of pulses as the offset number is decremented. The pulses are converted to analog voltages which, in turn, energize a motor which rotates a take-up spool (capstan) on which the media is wound passing said magnetic transducer. Due to the translation of said media, whenever the count in the stop/lock counting means is zero, the magnetic transducer is positioned in registry with the selected data track on the magnetic media. BO976007

277576

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