Scanning device for a magnetic tape instrument

Details Scanning device for a magnetic tape instrument Scanning device for a magnetic tape instrument

1977-03-07

1979-05-22

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 84, 3601303, G11B 2124, G11B 556

Patent

active

041562615

ABSTRACT:
A scanning device, for use in a magnetic instrument of the type using diagonal track scanning, features a two-part stationary guide drum having a central axis, a head assembly rotatably supported inside the guide drum including a head wheel, a bearing near the head wheel, and a motor operable to drive the head wheel about an axis of rotation, and bearing adjusting means operable to radially move the bearing to align substantially the axis of rotation and the central axis and comprising at least three radially spaced apart adjusting elements, at least one of which is resiliently urged towards the axis of rotation.

REFERENCES:
patent: 3075049 (1963-01-01), Gordon et al.
patent: 3218648 (1965-11-01), Casey
patent: 3414683 (1968-12-01), Dolby
patent: 3591732 (1971-07-01), Prochnow
patent: 3666894 (1972-05-01), Prochnow
patent: 3787644 (1974-01-01), Schneider
patent: 3995317 (1976-11-01), Schmidt
patent: 4080639 (1978-03-01), Gunschmann

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