Head height adjustment method including a synchronized rotating

Details Head height adjustment method including a synchronized rotating Head height adjustment method including a synchronized rotating

1993-04-12

1994-09-13

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 7712, G11B 558, G11B 2124

Patent

active

053474155

ABSTRACT:
In a magnetic recording and/or reproducing apparatus, it is necessary to adjust the height of each of a plurality of magnetic heads carried by a rotary cylinder for movement together therewith. This adjustment is accomplished by rotating an optical axis of a laser beam emitted from a laser oscillator in synchronism with the rotary cylinder so that the optical axis is always maintained stationary relative to the magnetic head. The laser beam is subsequently irradiated to a head base in the proximity of a head chip secured to the head base, thereby adjusting the head height during rotation of the rotary cylinder.

REFERENCES:
patent: 4186480 (1980-02-01), Binder Kriegelstein et al.
patent: 5065267 (1991-11-01), Yohda

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