Voice coil motor with discrete flux paths

Details Voice coil motor with discrete flux paths Voice coil motor with discrete flux paths

1991-11-08

1993-11-30

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

310 13, G11B 2122, G11B 555

Patent

active

052671119

ABSTRACT:
In a voice coil motor having a voice coil, and a magnetic circuit which generates a magnetic flux traversing the voice coil; the magnetic circuit includes a yoke which is divided so as to form a plurality of magnetic paths traversing the voice coil and which is provided with hollows, and adjustment members which are inserted into the hollows so as to adjust the magnetic fluxes of the magnetic paths independently of one another.

REFERENCES:
patent: 4812934 (1989-03-01), Suzuki et al.

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