Magnetic head assembly capable of effectively correcting positio

Details Magnetic head assembly capable of effectively correcting positio Magnetic head assembly capable of effectively correcting positio

1986-09-29

1988-08-16

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360109, G11B 555, G11B 2108, G11B 556, G11B 2124

Patent

active

047648295

ABSTRACT:
In a magnetic head assembly wherein each magnetic head is moved along a magnetic recording medium by an arm element coupled to a shaft which has an axis held in a substantially perpendicular relation to a reference plane, an angle adjusting arrangement is coupled to the shaft to adjust an angle between the axis and the reference plane within the substantially perpendicular relation. Preferably, the shaft has a fixed end and a free end adjustable to make the angle between the axis and the reference plane. The angle adjusting arrangement may comprise a pair of electromechanical transducing elements, such as piezoelectric elements, coupled to the free end for use in adjusting the angle. The angle adjusting arrangement may further comprise a leaf spring element between the electromagnetic elements for urging the free end towards a position which the free end has before adjustment of the angle.

REFERENCES:
patent: 3995317 (1976-11-01), Schmidt
patent: 4295172 (1981-10-01), Fukada et al.
patent: 4544972 (1985-10-01), Kogure et al.
Carmichael, "Skewed Axis Actuator for Disk File", IBM Technical Disclosure Bulletin, vol. 20, No. 11A, Apr. 1978, pp. 4623-4624.

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