Patent ID: 7280307
Filing Date: 2007-10-09
Classification: G11B

Abstract:
1. A method for initializing a servo tracking mechanism in a data tape drive, comprising: loading a magnetic tape media cartridge into a data drive; activating a course motor to move servo elements until a servo pattern on the tape media is detected by the servo elements; allowing a fine actuator, to which the servo elements are mounted, to settle to an initial position P inputting an initial DAC output value into a servo driver, the initial DAC output value equaling an initial offset value DACoffset of 0; enabling the fine actuator with an output from the servo driver; waiting for a predetermined period of time T measuring a new position P calculating a new DAC offset value DACoffset applying the new DAC offset value to the DAC whereby a new DAC output value equals the initial DAC offset value plus the new DAC offset value; and initiating servo track following.