Dynamic magnetic information storage or retrieval – Head – Flux scanning
Patent
1987-03-27
1993-07-13
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Head
Flux scanning
360123, 360125, G11B 5245, G11B 5127, G11B 517
Patent
active
052279391
ABSTRACT:
A preferred embodiment of an electromagnetically controlled scanning magnetic transducer is described having two confronting core poles defining a physical transducing gap therebetween. A control winding is associated with each core pole. A control current applied to each control winding selectively saturates a portion of each core pole facing a record medium. Each saturated face portion defines an adjacent unsaturated highly permeable face portion. The highly permeable face portions of each core pole overlap across the gap to define a transducing zone. The information signal and control windings are arranged relative to one another to obtain information signal and control flux paths extending perpendicular to one another.
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Ampex Corporation
LaBarre James A.
Strnad Elizabeth E.
Tupper Robert S.
Zimmerman C. Michael
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