Apparatus and methods to suppress perpendicular fields in longit

Details Apparatus and methods to suppress perpendicular fields in longit Apparatus and methods to suppress perpendicular fields in longit

1988-06-29

1990-06-05

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

General recording or reproducing

360123, 360125, G11B 502, G11B 517, G11B 5127

Patent

active

049318861

ABSTRACT:
Methods and apparatus for suppressing perpendicular recording head field components that occur proximate recorded magnetic transitions on longitudinally recorded magnetic media with opposing components generated by auxiliary magnetic field paths, as well as methods and apparatus for uncoupling the auxiliary magnetic field paths to improve symmetry of reproduced signals.

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patent: 4393428 (1983-07-01), Fujimura
patent: 4737873 (1988-04-01), Dessere

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