Patent ID: 7446966
Filing Date: 2008-11-04
Classification: G11B

Abstract:
1. A method for controlling current supplied to a write head during writing operations in a device including memory registers, the method comprising: A) determining a number of sector groups into which sectors of the data to be written will be grouped; B) loading to said memory registers a predetermined current value for each of said number of sector groups; C) loading to said memory registers a predetermined kick-latching value for each of said number of sector groups; D) loading to said memory registers a predetermined precompensation value for each of said number of sector groups; E) applying the first predetermined current, first predetermined kick-latching and first predetermined precompensation values of current to the sectors of the first sector group; and F) applying the next predetermined current, next predetermined kick-latching and next predetermined precompensation values of current to the sectors of the next sector group until the predetermined cuffent, predetermined kick-latching and predetermined precompensation values of current of the last sector group has been completed.