Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Reexamination Certificate
2005-10-04
2005-10-04
Sniezek, Andrew L. (Department: 2651)
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
C360S075000
Reexamination Certificate
active
06952321
ABSTRACT:
A method of determining run-out in a disc drive involving steps of performing a direct current erase, selecting a reference track, writing a sinusoidal signal into a first track at a first offset from the reference track, sensing a read signal along the reference track, and analyzing the read signal to extract run-out information.
REFERENCES:
patent: 5859742 (1999-01-01), Takaishi
patent: 5909661 (1999-06-01), Abramovitch et al.
patent: 5949602 (1999-09-01), Ishioka et al.
patent: 6606214 (2003-08-01), Liu et al.
patent: 6714367 (2004-03-01), Ishida et al.
Hu MingYou
Ko BengTheam
Lim EngHock
Ngwe Myint
Wang Jun
Cesari Kirk A.
Seagate Technology LLC
Sniezek Andrew L.
LandOfFree
Method for sensing run-out in data fields does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for sensing run-out in data fields, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for sensing run-out in data fields will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3474264