Flexible record disk signal storage apparatus

Details Flexible record disk signal storage apparatus Flexible record disk signal storage apparatus

1977-10-31

1979-09-11

Phillips, Charles E.

Undertaking

358128, G11B 360

Patent

active

041672690

ABSTRACT:
Flexible disk record storage apparatus has a chordally perturbed backing plate for inducing a dynamic stiffness in a flexible recording disk rotating immediately adjacent the plate. A head radially movably disposed between the chordal perturbations provides reliable recording and playback. A web portion of the backing plate has a predetermined flatness circumscribing a transducing location for enhancing recording and playback quality.

REFERENCES:
patent: 3369227 (1968-02-01), Boissevain
patent: 3603742 (1971-09-01), Schuller
patent: 3830506 (1974-08-01), Ewert et al.
patent: 3842197 (1974-10-01), Broussaud et al.
patent: 3980810 (1976-09-01), Tiret
patent: 4003091 (1977-01-01), Wright
"The Dev. of the Flexible Disk Magnetic Recorder", Proceedings of the Ire, Jan. 1961, p. 171, FIGS. 14-16.

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