Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Patent
1992-01-30
1993-01-26
Smith, Jerry
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
360 7705, 360135, 360 7814, G11B 5596, G11B 582
Patent
active
051826828
ABSTRACT:
A sector on a disk contains position information used to determine position error of a transducer over the disk. The sector has a normal field with a first side and a second side. The first side is oriented opposite the second side on the disk. A first quadrature field is located on the first side of the normal field and a second quadrature field is located on the second side of the normal field.
REFERENCES:
patent: 4068269 (1978-01-01), Commander et al.
patent: 4590526 (1986-05-01), Laatt et al.
Goss Lloyd C.
Weispfenning Gerald L.
Garland Steven R.
Seagate Technology Inc.
Smith Jerry
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