Magnetic transducer with built-in step-up transformer

Details Magnetic transducer with built-in step-up transformer Magnetic transducer with built-in step-up transformer

1981-08-18

1983-08-30

Wolff, John H.

Dynamic magnetic information storage or retrieval

Head

Coil

G11B 520

Patent

active

044020279

ABSTRACT:
A construction is disclosed of a magnetic transducer having a built-in step-up transformer. A ring head portion of the transducer consists of a ring head core defining a substantially closed magnetic path including a front non-magnetic gap and an internal winding aperture, and of a signal winding disposed on the ring head core so as to be interlinked with the magnetic path of the ring head core. A transformer portion of the transducer is mounted at a rear plane of the ring head core and consists of a transformer core, a primary winding, a secondary winding and a rear portion of the ring head core. The transformer core includes a central yoke, at least one peripheral yoke and a linkage yoke. The central yoke and the peripheral yoke are connected with each other at one end by the linkage yoke and at the other end by the rear portion of the ring head core. The primary and the secondary windings are disposed on the transformer core encompassing the central yoke in a coaxial manner, so as to form a shell-type transformer. The ring head portion is coupled to the transformer portion by connecting the signal winding to the primary winding.

REFERENCES:
patent: 3881194 (1975-04-01), Heaslett
patent: 4238752 (1980-12-01), Lanik

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