Flexible magnetic disc recording system

Details Flexible magnetic disc recording system Flexible magnetic disc recording system

1976-02-25

1978-01-17

Kilgore, Robert M.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360135, G11B 5016, G11B 576

Patent

active

040695085

ABSTRACT:
A system is provided for recording and/or reading information on the upper major surface of a flexible information storage disc. The system is comprised of a stationary surface or smoothing plane and a rotational drive member wherein the flexible disc is rotated over the stationary surface with the lower major surface of such disc facing the stationary surface. At least one opening is provided in the disc for receiving the rotational drive member and engaging therewith to provide the requisite rotation to the disc. The rotational drive member is essentially perpendicular to the stationary surface with the disc being free to move laterally along the drive member. Rotation of the disc causes the disc to rise above the surface, creating an air cushion between the flexible disc and surface. A recording and/or playback head is selectively passed over the upper major surface of the flexible disc for reading and/or writing information on the disc as it rotates.

REFERENCES:
patent: 3603742 (1971-09-01), Schuller
patent: 3729720 (1973-04-01), Darling
patent: 3797035 (1974-03-01), Hunt
patent: 3830506 (1974-08-01), Ewert

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