Rotary drum apparatus with head rotation locus adjustment arrang

Details Rotary drum apparatus with head rotation locus adjustment arrang Rotary drum apparatus with head rotation locus adjustment arrang

1994-12-23

1996-12-17

Kim, Won Tae C.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 84, 360109, G11B 552, G11B 556, G11B 5027

Patent

active

055859828

ABSTRACT:
The object of the present invention is to rotate a head with high precision along a predetermined rotation locus in a rotary drum apparatus for recording and/or reproducing predetermined signals on a tape recording medium. A locus of the head on the rotary drum connected to the first rotary shaft can be adjusted to coincide with the predetermined locus by dividing the rotary shaft into two shafts, and adjusting the two shafts with an adjustment mechanism. The adjustment mechanism can be in the form of threaded screws or electrical actuators. Sensors can be provided for measuring the horizontal degree and vertical degree of the rotary shaft holding material supporting the first rotary shaft for adjusting the two shafts using electrical actuators based on the measured results.

REFERENCES:
patent: 3693227 (1972-09-01), Maxey
patent: 3976236 (1976-08-01), Catto
patent: 4989110 (1991-01-01), Zevin et al.
patent: 5270890 (1993-12-01), Katou et al.
patent: 5393201 (1995-02-01), Okutani et al.

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