Device for locally positioning a flexible rotating disc

Details Device for locally positioning a flexible rotating disc Device for locally positioning a flexible rotating disc

1974-10-30

1976-09-14

Cardillo, Jr., Raymond F.

Telegraphy

Systems

Simplex-reversing periodic

1791003V, 360102, 360103, H04N 576, G11B 1732

Patent

active

039808106

ABSTRACT:
The present invention relates to a device designed to constrain the surface of a flexible disc, rotating about an axis, to pass very accurately through a predetermined point. This device is applicable to the read-out of video-signals, and especially of optical video signals, recorded upon a flexible plastic disc. According to the invention, the flexible disc slides on an air film over two fixed surfaces which stabilize its motion, and between two slippers which impose a fixed position upon it.

REFERENCES:
patent: 3166997 (1965-01-01), Barcia et al.
patent: 3603742 (1971-09-01), Schuller
patent: 3678482 (1972-07-01), Billabuala
patent: 3818506 (1974-06-01), Kelch et al.
patent: 3842197 (1974-10-01), Broussauld et al.

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