G - Physics – 11 – B
Patent
G - Physics
11
B
352/30.4
G11B 17/00 (2006.01) G11B 5/55 (2006.01)
Patent
CA 1110359
Abstract of the Disclosure Digital position error signals from a position detector and a track increment generator are summed and applied to a compensator which is responsive to these signals during the sampling of servo sectors on the tracks of a magnetic disk of a magnetic disk store to regulate the position of a magnetic head for track selection and track following. Track selection is effected with an acceleration phase, a constant velocity phase, and a deceleration phase, and overshooting of the magnetic head at the ends of the acceleration and deceleration phases is avoided by digital modification signals read out, from read-only memories in the track increment generator, to the compensator. The digital position error signal from the track increment generator can be combined with the output of a track crossing detector.
314763
Matla Arno
Zimmerman Volker
Gowling Lafleur Henderson Llp
International Business Machines Corporation
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