Support apparatus for a flexible disc and disc reader using this

Details Support apparatus for a flexible disc and disc reader using this Support apparatus for a flexible disc and disc reader using this

1978-06-27

1980-01-08

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 99, G11B 560, G11B 1732

Patent

active

041830695

ABSTRACT:
The invention relates to support systems for flexible information-carrying discs. More particularly, the invention relates to an air bearing support plate (1) for a flexible disc (3) of which the sliding surface (2) is free in a preponderant sector from any profile irregularity (6) capable of affecting the flatness of the annular band of the disc (3) containing the information. The invention is applicable in particular to the optical reading by reflection or transmission of information carried by a flexible disc.

REFERENCES:
patent: 2950353 (1960-08-01), Fomenko
patent: 3178719 (1965-04-01), Shapiro
patent: 3767865 (1973-10-01), Schuller et al.
patent: 3947886 (1976-03-01), Hiedecker et al.
patent: 3980810 (1976-09-01), Tinet

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