Magnetic saturation controlled scanning magnetic transducer

Details Magnetic saturation controlled scanning magnetic transducer Magnetic saturation controlled scanning magnetic transducer

1986-02-13

1992-06-02

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Head

Flux scanning

360123, 360125, G11B 5245, G11B 5127, G11B 517

Patent

active

051192551

ABSTRACT:
An electromagnetically controlled scanning magnetic transducer has two magnetic core portions with confronting poles defining a transducing gap. A control winding is arranged in each core portion to provide a control flux therein. The control flux saturates a region of the transducer face of each core portion, adjacent to the gap. The saturated regions define adjacent unsaturated highly permeable regions which overlap at the gap to obtain a transducing zone. The transducing zone can be altered, moved, scanned or otherwise positioned along the transducer width by electromagnetically controlling the location and size of the saturated face regions.

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