Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent
1992-10-07
1994-05-03
Psitos, Aristotelis
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
360 7707, 360 7712, G11B 558
Patent
active
053092996
ABSTRACT:
The present invention provides a method and system for generating a position error signal from a signal produced by a read element detecting a track comprising two harmonically unrelated patterns positioned parallel to each other on a magnetic media. The apparatus of the present invention produces a delayed signal from the read signal produced by the read element. The read signal is multiplied with the delayed signal to form a product signal. The product signal is integrated to produce a position error signal, wherein changes in the position error signal that are proportional to changes in position of the read element over the two patterns positioned parallel to each other on the magnetic media.
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Crossland James F.
East Don G.
Koski John A.
Smith James E.
Dillon Andrew J.
International Business Machines - Corporation
Psitos Aristotelis
Wilson James T.
Yee Duke W.
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