Disc memory apparatus

Details Disc memory apparatus Disc memory apparatus

1980-03-17

1982-11-02

Canney, Vincent P.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data clocking

360 48, G11B 509

Patent

active

043576354

ABSTRACT:
Data is selectively recorded on a plurality of circumferential, radially spaced on a rotating disc (32). Either the rotational speed of the disc (32) or a frequency of write clock pulses is varied so that the data density is substantially the same on all of the tracks.

REFERENCES:
patent: 2901737 (1959-08-01), Stouall, Jr.
patent: 3653062 (1972-03-01), Hollstein, Jr.
patent: 3803632 (1974-04-01), Irwin et al.

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