There is provided a head control method controlling move of a head on a discoidal recording medium including the steps of: partitioning the discoidal recording medium which has position information recorded thereon at radially equal spacing into a plurality of zones; and demodulating the position information using a coefficient set for each of the zones.

 
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> Methods for setting end-of-seek criteria for rotatable storage media

> Method and apparatus for sensing position of a tape head in a tape drive
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