System and method for writing secure data to disk

System and method of locating the center of a track on a magneti

System and methods for using offset information on a data...

System and methods for using servopositioning signals

System for aligning a read head gap over a track of magnetic dat

System for calibrating a magnetic tape drive

System for controlling displacement of a head in a disc storage

System for controlling the speed of a voice coil motor (VCM)...

System for correcting transducer tangential skew in a disk drive

System for correlating head scan tracking and tape timer transit

System for damping vibrations in a deflectable transducer

System for detecting a reference track of a disc storage unit

System for detecting a reference track on a disk surface in a di

System for detecting an edge of a moving data storage medium

System for detecting position of a read-write head in seek opera

System for detecting the position of a read-write head on a disk

System for head positioning control in a disk drive

System for increasing the number of data tracks in a magnetic re

System for indicating a precise tracking in a video cassette rec

System for monitoring and dynamically adjusting head-to-disk...