Method and apparatus for servo control using spiral servo...

Details Method and apparatus for servo control using spiral servo... Method and apparatus for servo control using spiral servo...

2008-09-09

2008-09-09

Wong, K. (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

Reexamination Certificate

active

11590758

ABSTRACT:
According to one embodiment, in a disk drive using a disk medium storing spiral servo information, a CPU generates virtual servo information having assumed virtual track centers corresponding to centers of concentric data tracks. The CPU performs control to position a head to the center of the concentric data track by using the virtual servo information.

REFERENCES:
patent: 7019937 (2006-03-01), Liikanen et al.
patent: 7230786 (2007-06-01), Ray et al.
patent: 63-056884 (1988-03-01), None
patent: 09-167457 (1997-06-01), None
patent: 2005-032350 (2005-02-01), None

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