Carriage device for moving and positioning magnetic head

Details Carriage device for moving and positioning magnetic head Carriage device for moving and positioning magnetic head

1984-03-07

1986-05-20

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

310 13, 310 14, G11B 2108, H02K 4100

Patent

active

045905290

ABSTRACT:
A carriage device used for moving and positioning a magnetic head opposite prescribed tracks of a magnetic disk has the magnetic head mounted on a carriage which has linear motor mechanisms built integrally therein. The linear motor mechanisms incorporate coils secured to part of the carriage and permanent magnets secured aorund the coils. Guide rails serving to support the carriage within the range of the sliding motion of the coils are made of a magnetic substance.

REFERENCES:
patent: 4415941 (1983-11-01), Gibeau et al.
patent: 4427905 (1984-01-01), Sutton
patent: 4456934 (1984-06-01), Wedman et al.
patent: 4506307 (1985-03-01), Watrous

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