Magnetic Peripherals Inc.

Dennis C Stone

Robert D Cronch

Vladimir Kovner

Robert A Bremmer

A method and related system for use with a disk drive are disclosed for adjusting the current level emanating from a read/write head during recording of data onto a disk to compensate for differences in read/write head and disk relationships. Also, a method and related system are disclosed for determining the optimum slimming constant to be utilized to minimize data pulse peak shifts to compensate for differences in read/write head and disk relationships.

Adaptive magnetic recording and readback system

A method and apparatus for increasing the amount of data capable of being stored in a magnetic storage device is disclosed. Basically, a magnetic characteristic of the disk to head interface is measured at several locations on the disk. The frequency for writing and reading the data is optimized in terms of the required resolution and the magnetic measurement. The read and write modes are then varied, based upon the optimized frequency, such that data is written on the disk at a frequency substantially equal to the optimized frequency and read from a disk having data recorded at the optimized frequency.

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Northgate, CA, United States of America

Dennis C Stone