Rotational transformer for a tape recorder

Details Rotational transformer for a tape recorder Rotational transformer for a tape recorder

1989-09-15

1991-03-19

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

336123, G11B 552

Patent

active

050015850

ABSTRACT:
A rotational transformer for a rotational transducer in a tape recorder includes a stator piece having a first ring-shaped magnetic core and a stator winding associated therewith. A rotor piece includes a second ring-shaped magnetic core coaxially located with the first ring-shaped magnetic core, a rotor winding and a coil carrier formed of a nonmagnetic material. The carrier is inserted into a ring-shaped recess formed in the second core. The coil carrier is constructed with at least one slot into which wire of the rotor winding is emplaced. The slot is of a width adopted to the size of the wire of the rotor winding.

REFERENCES:
patent: 3317874 (1967-05-01), Honsinger
patent: 3458844 (1969-07-01), Hildebrandt
patent: 3611230 (1971-10-01), Maake

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