Systems and methods for conditional servowriting

Details Systems and methods for conditional servowriting Systems and methods for conditional servowriting

2006-06-13

2006-06-13

Sniezek, Andrew L. (Department: 2651)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S077080, C360S048000

Reexamination Certificate

active

07061708

ABSTRACT:
Embodiments of the present invention determine the offset of a first burst of a burst pair from a centerline. This can be used to determine the desired offset position for a second burst of the burst pair. The target signal to provided the data storage unit for writing the second burst can take into account the transfer function of the controller and the physical plant so as to more accurately write at the desired offset position.

REFERENCES:
patent: 5825578 (1998-10-01), Shrinkle et al.
patent: 6061200 (2000-05-01), Shepherd et al.
patent: 6069764 (2000-05-01), Morris et al.
patent: 6963458 (2005-11-01), Lamberts
patent: 2004/0123025 (2004-06-01), Chainer et al.

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